pax_global_header00006660000000000000000000000064132105564670014523gustar00rootroot0000000000000052 comment=9f2bbc229c6894c0804b6c8da1f1a6fedc986938 mox3-0.24.0/000077500000000000000000000000001321055646700124745ustar00rootroot00000000000000mox3-0.24.0/.gitignore000066400000000000000000000012471321055646700144700ustar00rootroot00000000000000*.py[co] # Packages *.egg* dist build eggs parts bin var sdist develop-eggs .installed.cfg # Installer logs pip-log.txt # Unit test / coverage reports .coverage .tox .testrepository #Translations *.mo # virtualenv .venv #Mr Developer .mr.developer.cfg # https://github.com/h5bp/html5-boilerplate/blob/master/.gitignore # Numerous always-ignore extensions *.diff *.err *.orig *.log *.rej *.swo *.swp *.vi *~ # OS or Editor folders .DS_Store Thumbs.db .cache .project .settings .tmproj nbproject *.sublime-project *.sublime-workspace *.komodoproject .komodotools # Folders to ignore .hg .svn .CVS intermediate publish .idea # PyDev .pydevproject # pbr AUTHORS ChangeLog mox3-0.24.0/.gitreview000066400000000000000000000001111321055646700144730ustar00rootroot00000000000000[gerrit] host=review.openstack.org port=29418 project=openstack/mox3.git mox3-0.24.0/.mailmap000066400000000000000000000000721321055646700141140ustar00rootroot00000000000000Przemysław Gajda mox3-0.24.0/.testr.conf000066400000000000000000000003231321055646700145600ustar00rootroot00000000000000[DEFAULT] test_command=OS_STDOUT_CAPTURE=1 OS_STDERR_CAPTURE=1 OS_TEST_TIMEOUT=60 ${PYTHON:-python} -m subunit.run discover -t ./ ./ $LISTOPT $IDOPTION test_id_option=--load-list $IDFILE test_list_option=--list mox3-0.24.0/CONTRIBUTING.rst000066400000000000000000000010321321055646700151310ustar00rootroot00000000000000If you would like to contribute to the development of OpenStack, you must follow the steps in the "If you're a developer, start here" section of this page: http://wiki.openstack.org/HowToContribute Once those steps have been completed, changes to OpenStack should be submitted for review via the Gerrit tool, following the workflow documented at: http://wiki.openstack.org/GerritWorkflow Pull requests submitted through GitHub will be ignored. 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See the License for the specific language governing permissions and limitations under the License. mox3-0.24.0/MANIFEST.in000066400000000000000000000001361321055646700142320ustar00rootroot00000000000000include AUTHORS include ChangeLog exclude .gitignore exclude .gitreview global-exclude *.pyc mox3-0.24.0/README.rst000066400000000000000000000045061321055646700141700ustar00rootroot00000000000000=========================================== Mox3 - Mock object framework for Python 3 =========================================== .. image:: http://governance.openstack.org/badges/mox3.svg :target: http://governance.openstack.org/reference/tags/index.html Mox3 is an unofficial port of the Google mox framework (http://code.google.com/p/pymox/) to Python 3. It was meant to be as compatible with mox as possible, but small enhancements have been made. The library was tested on Python version 3.2, 2.7 and 2.6. Use at your own risk ;) To install: $ python setup.py install Running Tests ------------- The testing system is based on a combination of tox and testr. The canonical approach to running tests is to simply run the command `tox`. This will create virtual environments, populate them with depenedencies and run all of the tests that OpenStack CI systems run. Behind the scenes, tox is running `testr run --parallel`, but is set up such that you can supply any additional testr arguments that are needed to tox. For example, you can run: `tox -- --analyze-isolation` to cause tox to tell testr to add --analyze-isolation to its argument list. It is also possible to run the tests inside of a virtual environment you have created, or it is possible that you have all of the dependencies installed locally already. In this case, you can interact with the testr command directly. Running `testr run` will run the entire test suite. `testr run --parallel` will run it in parallel (this is the default incantation tox uses.) More information about testr can be found at: http://wiki.openstack.org/testr Basic Usage ----------- The basic usage of mox3 is the same as with mox, but the initial import should be made from the mox3 module: from mox3 import mox To learn how to use mox3 you may check the documentation of the original mox framework: http://code.google.com/p/pymox/wiki/MoxDocumentation Original Copyright ------------------ Mox is Copyright 2008 Google Inc, and licensed under the Apache License, Version 2.0; see the file COPYING.txt for details. If you would like to help us improve Mox, join the group. OpenStack Fork -------------- * Free software: Apache license * Documentation: https://docs.openstack.org/mox3/latest/ * Source: https://git.openstack.org/cgit/openstack/mox3 * Bugs: https://bugs.launchpad.net/python-mox3 mox3-0.24.0/doc/000077500000000000000000000000001321055646700132415ustar00rootroot00000000000000mox3-0.24.0/doc/source/000077500000000000000000000000001321055646700145415ustar00rootroot00000000000000mox3-0.24.0/doc/source/conf.py000066400000000000000000000040441321055646700160420ustar00rootroot00000000000000# -*- coding: utf-8 -*- import os import sys sys.path.insert(0, os.path.abspath('../..')) # -- General configuration ---------------------------------------------------- # Add any Sphinx extension module names here, as strings. They can be # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones. extensions = ['sphinx.ext.autodoc', 'openstackdocstheme'] # openstackdocstheme options repository_name = 'openstack/mox3' bug_project = '' bug_tag = '' html_last_updated_fmt = '%Y-%m-%d %H:%M' # autodoc generation is a bit aggressive and a nuisance when doing heavy # text edit cycles. # execute "export SPHINX_DEBUG=1" in your terminal to disable # Add any paths that contain templates here, relative to this directory. # templates_path = [] # The suffix of source filenames. source_suffix = '.rst' # The master toctree document. master_doc = 'index' # General information about the project. project = u'mox3' copyright = u'OpenStack Foundation' # If true, '()' will be appended to :func: etc. cross-reference text. add_function_parentheses = True # If true, the current module name will be prepended to all description # unit titles (such as .. function::). add_module_names = True # The name of the Pygments (syntax highlighting) style to use. pygments_style = 'sphinx' # -- Options for HTML output -------------------------------------------------- # The theme to use for HTML and HTML Help pages. Major themes that come with # Sphinx are currently 'default' and 'sphinxdoc'. # html_theme_path = ["."] html_theme = 'openstackdocs' html_static_path = ['static'] # Output file base name for HTML help builder. htmlhelp_basename = '%sdoc' % project git_cmd = "git log --pretty=format:'%ad, commit %h' --date=local -n1" html_last_updated_fmt = os.popen(git_cmd).read() # Grouping the document tree into LaTeX files. List of tuples # (source start file, target name, title, author, documentclass # [howto/manual]). latex_documents = [ ('index', '%s.tex' % project, '%s Documentation' % project, 'OpenStack Foundation', 'manual'), ] mox3-0.24.0/doc/source/contributor/000077500000000000000000000000001321055646700171135ustar00rootroot00000000000000mox3-0.24.0/doc/source/contributor/index.rst000066400000000000000000000001241321055646700207510ustar00rootroot00000000000000============== Contributing ============== .. include:: ../../../CONTRIBUTING.rst mox3-0.24.0/doc/source/index.rst000066400000000000000000000003421321055646700164010ustar00rootroot00000000000000mox3 ==== A fork of mox with Python 3 support. Contents ======== .. toctree:: :maxdepth: 2 user/index contributor/index Indices and tables ================== * :ref:`genindex` * :ref:`modindex` * :ref:`search` mox3-0.24.0/doc/source/static/000077500000000000000000000000001321055646700160305ustar00rootroot00000000000000mox3-0.24.0/doc/source/static/.placeholder000066400000000000000000000000001321055646700203010ustar00rootroot00000000000000mox3-0.24.0/doc/source/user/000077500000000000000000000000001321055646700155175ustar00rootroot00000000000000mox3-0.24.0/doc/source/user/index.rst000066400000000000000000000000411321055646700173530ustar00rootroot00000000000000.. include:: ../../../README.rst mox3-0.24.0/mox3/000077500000000000000000000000001321055646700133625ustar00rootroot00000000000000mox3-0.24.0/mox3/__init__.py000066400000000000000000000000001321055646700154610ustar00rootroot00000000000000mox3-0.24.0/mox3/fixture.py000066400000000000000000000021341321055646700154220ustar00rootroot00000000000000# Copyright 2013 Hewlett-Packard Development Company, L.P. # All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. import fixtures from mox3 import mox from mox3 import stubout class MoxStubout(fixtures.Fixture): """Deal with code around mox and stubout as a fixture.""" def setUp(self): super(MoxStubout, self).setUp() self.mox = mox.Mox() self.stubs = stubout.StubOutForTesting() self.addCleanup(self.mox.UnsetStubs) self.addCleanup(self.stubs.UnsetAll) self.addCleanup(self.stubs.SmartUnsetAll) self.addCleanup(self.mox.VerifyAll) mox3-0.24.0/mox3/mox.py000066400000000000000000002120001321055646700145320ustar00rootroot00000000000000# Copyright 2008 Google Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # # This is a fork of the pymox library intended to work with Python 3. # The file was modified by quermit@gmail.com and dawid.fatyga@gmail.com """Mox, an object-mocking framework for Python. Mox works in the record-replay-verify paradigm. When you first create a mock object, it is in record mode. You then programmatically set the expected behavior of the mock object (what methods are to be called on it, with what parameters, what they should return, and in what order). Once you have set up the expected mock behavior, you put it in replay mode. Now the mock responds to method calls just as you told it to. If an unexpected method (or an expected method with unexpected parameters) is called, then an exception will be raised. Once you are done interacting with the mock, you need to verify that all the expected interactions occured. (Maybe your code exited prematurely without calling some cleanup method!) The verify phase ensures that every expected method was called; otherwise, an exception will be raised. WARNING! Mock objects created by Mox are not thread-safe. If you are call a mock in multiple threads, it should be guarded by a mutex. TODO(stevepm): Add the option to make mocks thread-safe! Suggested usage / workflow: # Create Mox factory my_mox = Mox() # Create a mock data access object mock_dao = my_mox.CreateMock(DAOClass) # Set up expected behavior mock_dao.RetrievePersonWithIdentifier('1').AndReturn(person) mock_dao.DeletePerson(person) # Put mocks in replay mode my_mox.ReplayAll() # Inject mock object and run test controller.SetDao(mock_dao) controller.DeletePersonById('1') # Verify all methods were called as expected my_mox.VerifyAll() """ import collections import difflib import inspect import re import types import unittest from mox3 import stubout class Error(AssertionError): """Base exception for this module.""" pass class ExpectedMethodCallsError(Error): """Raised when an expected method wasn't called. This can occur if Verify() is called before all expected methods have been called. """ def __init__(self, expected_methods): """Init exception. Args: # expected_methods: A sequence of MockMethod objects that should # have been called. expected_methods: [MockMethod] Raises: ValueError: if expected_methods contains no methods. """ if not expected_methods: raise ValueError("There must be at least one expected method") Error.__init__(self) self._expected_methods = expected_methods def __str__(self): calls = "\n".join(["%3d. %s" % (i, m) for i, m in enumerate(self._expected_methods)]) return "Verify: Expected methods never called:\n%s" % (calls,) class UnexpectedMethodCallError(Error): """Raised when an unexpected method is called. This can occur if a method is called with incorrect parameters, or out of the specified order. """ def __init__(self, unexpected_method, expected): """Init exception. Args: # unexpected_method: MockMethod that was called but was not at the # head of the expected_method queue. # expected: MockMethod or UnorderedGroup the method should have # been in. unexpected_method: MockMethod expected: MockMethod or UnorderedGroup """ Error.__init__(self) if expected is None: self._str = "Unexpected method call %s" % (unexpected_method,) else: differ = difflib.Differ() diff = differ.compare(str(unexpected_method).splitlines(True), str(expected).splitlines(True)) self._str = ("Unexpected method call." " unexpected:- expected:+\n%s" % ("\n".join(line.rstrip() for line in diff),)) def __str__(self): return self._str class UnknownMethodCallError(Error): """Raised if an unknown method is requested of the mock object.""" def __init__(self, unknown_method_name): """Init exception. Args: # unknown_method_name: Method call that is not part of the mocked # class's public interface. unknown_method_name: str """ Error.__init__(self) self._unknown_method_name = unknown_method_name def __str__(self): return ("Method called is not a member of the object: %s" % self._unknown_method_name) class PrivateAttributeError(Error): """Raised if a MockObject is passed a private additional attribute name.""" def __init__(self, attr): Error.__init__(self) self._attr = attr def __str__(self): return ("Attribute '%s' is private and should not be available" "in a mock object." % self._attr) class ExpectedMockCreationError(Error): """Raised if mocks should have been created by StubOutClassWithMocks.""" def __init__(self, expected_mocks): """Init exception. Args: # expected_mocks: A sequence of MockObjects that should have been # created Raises: ValueError: if expected_mocks contains no methods. """ if not expected_mocks: raise ValueError("There must be at least one expected method") Error.__init__(self) self._expected_mocks = expected_mocks def __str__(self): mocks = "\n".join(["%3d. %s" % (i, m) for i, m in enumerate(self._expected_mocks)]) return "Verify: Expected mocks never created:\n%s" % (mocks,) class UnexpectedMockCreationError(Error): """Raised if too many mocks were created by StubOutClassWithMocks.""" def __init__(self, instance, *params, **named_params): """Init exception. Args: # instance: the type of obejct that was created # params: parameters given during instantiation # named_params: named parameters given during instantiation """ Error.__init__(self) self._instance = instance self._params = params self._named_params = named_params def __str__(self): args = ", ".join(["%s" % v for i, v in enumerate(self._params)]) error = "Unexpected mock creation: %s(%s" % (self._instance, args) if self._named_params: error += ", " + ", ".join(["%s=%s" % (k, v) for k, v in self._named_params.items()]) error += ")" return error class Mox(object): """Mox: a factory for creating mock objects.""" # A list of types that should be stubbed out with MockObjects (as # opposed to MockAnythings). _USE_MOCK_OBJECT = [types.FunctionType, types.ModuleType, types.MethodType] def __init__(self): """Initialize a new Mox.""" self._mock_objects = [] self.stubs = stubout.StubOutForTesting() def CreateMock(self, class_to_mock, attrs=None, bounded_to=None): """Create a new mock object. Args: # class_to_mock: the class to be mocked class_to_mock: class attrs: dict of attribute names to values that will be set on the mock object. Only public attributes may be set. bounded_to: optionally, when class_to_mock is not a class, it points to a real class object, to which attribute is bound Returns: MockObject that can be used as the class_to_mock would be. """ if attrs is None: attrs = {} new_mock = MockObject(class_to_mock, attrs=attrs, class_to_bind=bounded_to) self._mock_objects.append(new_mock) return new_mock def CreateMockAnything(self, description=None): """Create a mock that will accept any method calls. This does not enforce an interface. Args: description: str. Optionally, a descriptive name for the mock object being created, for debugging output purposes. """ new_mock = MockAnything(description=description) self._mock_objects.append(new_mock) return new_mock def ReplayAll(self): """Set all mock objects to replay mode.""" for mock_obj in self._mock_objects: mock_obj._Replay() def VerifyAll(self): """Call verify on all mock objects created.""" for mock_obj in self._mock_objects: mock_obj._Verify() def ResetAll(self): """Call reset on all mock objects. This does not unset stubs.""" for mock_obj in self._mock_objects: mock_obj._Reset() def StubOutWithMock(self, obj, attr_name, use_mock_anything=False): """Replace a method, attribute, etc. with a Mock. This will replace a class or module with a MockObject, and everything else (method, function, etc) with a MockAnything. This can be overridden to always use a MockAnything by setting use_mock_anything to True. Args: obj: A Python object (class, module, instance, callable). attr_name: str. The name of the attribute to replace with a mock. use_mock_anything: bool. True if a MockAnything should be used regardless of the type of attribute. """ if inspect.isclass(obj): class_to_bind = obj else: class_to_bind = None attr_to_replace = getattr(obj, attr_name) attr_type = type(attr_to_replace) if attr_type == MockAnything or attr_type == MockObject: raise TypeError('Cannot mock a MockAnything! Did you remember to ' 'call UnsetStubs in your previous test?') type_check = ( attr_type in self._USE_MOCK_OBJECT or inspect.isclass(attr_to_replace) or isinstance(attr_to_replace, object)) if type_check and not use_mock_anything: stub = self.CreateMock(attr_to_replace, bounded_to=class_to_bind) else: stub = self.CreateMockAnything( description='Stub for %s' % attr_to_replace) stub.__name__ = attr_name self.stubs.Set(obj, attr_name, stub) def StubOutClassWithMocks(self, obj, attr_name): """Replace a class with a "mock factory" that will create mock objects. This is useful if the code-under-test directly instantiates dependencies. Previously some boilder plate was necessary to create a mock that would act as a factory. Using StubOutClassWithMocks, once you've stubbed out the class you may use the stubbed class as you would any other mock created by mox: during the record phase, new mock instances will be created, and during replay, the recorded mocks will be returned. In replay mode # Example using StubOutWithMock (the old, clunky way): mock1 = mox.CreateMock(my_import.FooClass) mock2 = mox.CreateMock(my_import.FooClass) foo_factory = mox.StubOutWithMock(my_import, 'FooClass', use_mock_anything=True) foo_factory(1, 2).AndReturn(mock1) foo_factory(9, 10).AndReturn(mock2) mox.ReplayAll() my_import.FooClass(1, 2) # Returns mock1 again. my_import.FooClass(9, 10) # Returns mock2 again. mox.VerifyAll() # Example using StubOutClassWithMocks: mox.StubOutClassWithMocks(my_import, 'FooClass') mock1 = my_import.FooClass(1, 2) # Returns a new mock of FooClass mock2 = my_import.FooClass(9, 10) # Returns another mock instance mox.ReplayAll() my_import.FooClass(1, 2) # Returns mock1 again. my_import.FooClass(9, 10) # Returns mock2 again. mox.VerifyAll() """ attr_to_replace = getattr(obj, attr_name) attr_type = type(attr_to_replace) if attr_type == MockAnything or attr_type == MockObject: raise TypeError('Cannot mock a MockAnything! Did you remember to ' 'call UnsetStubs in your previous test?') if not inspect.isclass(attr_to_replace): raise TypeError('Given attr is not a Class. Use StubOutWithMock.') factory = _MockObjectFactory(attr_to_replace, self) self._mock_objects.append(factory) self.stubs.Set(obj, attr_name, factory) def UnsetStubs(self): """Restore stubs to their original state.""" self.stubs.UnsetAll() def Replay(*args): """Put mocks into Replay mode. Args: # args is any number of mocks to put into replay mode. """ for mock in args: mock._Replay() def Verify(*args): """Verify mocks. Args: # args is any number of mocks to be verified. """ for mock in args: mock._Verify() def Reset(*args): """Reset mocks. Args: # args is any number of mocks to be reset. """ for mock in args: mock._Reset() class MockAnything(object): """A mock that can be used to mock anything. This is helpful for mocking classes that do not provide a public interface. """ def __init__(self, description=None): """Initialize a new MockAnything. Args: description: str. Optionally, a descriptive name for the mock object being created, for debugging output purposes. """ self._description = description self._Reset() def __repr__(self): if self._description: return '' % self._description else: return '' def __getattr__(self, method_name): """Intercept method calls on this object. A new MockMethod is returned that is aware of the MockAnything's state (record or replay). The call will be recorded or replayed by the MockMethod's __call__. Args: # method name: the name of the method being called. method_name: str Returns: A new MockMethod aware of MockAnything's state (record or replay). """ if method_name == '__dir__': return self.__class__.__dir__.__get__(self, self.__class__) return self._CreateMockMethod(method_name) def __str__(self): return self._CreateMockMethod('__str__')() def __call__(self, *args, **kwargs): return self._CreateMockMethod('__call__')(*args, **kwargs) def __getitem__(self, i): return self._CreateMockMethod('__getitem__')(i) def _CreateMockMethod(self, method_name, method_to_mock=None, class_to_bind=object): """Create a new mock method call and return it. Args: # method_name: the name of the method being called. # method_to_mock: The actual method being mocked, used for # introspection. # class_to_bind: Class to which method is bounded # (object by default) method_name: str method_to_mock: a method object Returns: A new MockMethod aware of MockAnything's state (record or replay). """ return MockMethod(method_name, self._expected_calls_queue, self._replay_mode, method_to_mock=method_to_mock, description=self._description, class_to_bind=class_to_bind) def __nonzero__(self): """Return 1 for nonzero so the mock can be used as a conditional.""" return 1 def __bool__(self): """Return True for nonzero so the mock can be used as a conditional.""" return True def __eq__(self, rhs): """Provide custom logic to compare objects.""" return (isinstance(rhs, MockAnything) and self._replay_mode == rhs._replay_mode and self._expected_calls_queue == rhs._expected_calls_queue) def __ne__(self, rhs): """Provide custom logic to compare objects.""" return not self == rhs def _Replay(self): """Start replaying expected method calls.""" self._replay_mode = True def _Verify(self): """Verify that all of the expected calls have been made. Raises: ExpectedMethodCallsError: if there are still more method calls in the expected queue. """ # If the list of expected calls is not empty, raise an exception if self._expected_calls_queue: # The last MultipleTimesGroup is not popped from the queue. if (len(self._expected_calls_queue) == 1 and isinstance(self._expected_calls_queue[0], MultipleTimesGroup) and self._expected_calls_queue[0].IsSatisfied()): pass else: raise ExpectedMethodCallsError(self._expected_calls_queue) def _Reset(self): """Reset the state of this mock to record mode with an empty queue.""" # Maintain a list of method calls we are expecting self._expected_calls_queue = collections.deque() # Make sure we are in setup mode, not replay mode self._replay_mode = False class MockObject(MockAnything): """Mock object that simulates the public/protected interface of a class.""" def __init__(self, class_to_mock, attrs=None, class_to_bind=None): """Initialize a mock object. Determines the methods and properties of the class and stores them. Args: # class_to_mock: class to be mocked class_to_mock: class attrs: dict of attribute names to values that will be set on the mock object. Only public attributes may be set. class_to_bind: optionally, when class_to_mock is not a class at all, it points to a real class Raises: PrivateAttributeError: if a supplied attribute is not public. ValueError: if an attribute would mask an existing method. """ if attrs is None: attrs = {} # Used to hack around the mixin/inheritance of MockAnything, which # is not a proper object (it can be anything. :-) MockAnything.__dict__['__init__'](self) # Get a list of all the public and special methods we should mock. self._known_methods = set() self._known_vars = set() self._class_to_mock = class_to_mock if inspect.isclass(class_to_mock): self._class_to_bind = self._class_to_mock else: self._class_to_bind = class_to_bind try: if inspect.isclass(self._class_to_mock): self._description = class_to_mock.__name__ else: self._description = type(class_to_mock).__name__ except Exception: pass for method in dir(class_to_mock): attr = getattr(class_to_mock, method) if callable(attr): self._known_methods.add(method) elif not (type(attr) is property): # treating properties as class vars makes little sense. self._known_vars.add(method) # Set additional attributes at instantiation time; this is quicker # than manually setting attributes that are normally created in # __init__. for attr, value in attrs.items(): if attr.startswith("_"): raise PrivateAttributeError(attr) elif attr in self._known_methods: raise ValueError("'%s' is a method of '%s' objects." % (attr, class_to_mock)) else: setattr(self, attr, value) def _CreateMockMethod(self, *args, **kwargs): """Overridden to provide self._class_to_mock to class_to_bind.""" kwargs.setdefault("class_to_bind", self._class_to_bind) return super(MockObject, self)._CreateMockMethod(*args, **kwargs) def __getattr__(self, name): """Intercept attribute request on this object. If the attribute is a public class variable, it will be returned and not recorded as a call. If the attribute is not a variable, it is handled like a method call. The method name is checked against the set of mockable methods, and a new MockMethod is returned that is aware of the MockObject's state (record or replay). The call will be recorded or replayed by the MockMethod's __call__. Args: # name: the name of the attribute being requested. name: str Returns: Either a class variable or a new MockMethod that is aware of the state of the mock (record or replay). Raises: UnknownMethodCallError if the MockObject does not mock the requested method. """ if name in self._known_vars: return getattr(self._class_to_mock, name) if name in self._known_methods: return self._CreateMockMethod( name, method_to_mock=getattr(self._class_to_mock, name)) raise UnknownMethodCallError(name) def __eq__(self, rhs): """Provide custom logic to compare objects.""" return (isinstance(rhs, MockObject) and self._class_to_mock == rhs._class_to_mock and self._replay_mode == rhs._replay_mode and self._expected_calls_queue == rhs._expected_calls_queue) def __setitem__(self, key, value): """Custom logic for mocking classes that support item assignment. Args: key: Key to set the value for. value: Value to set. Returns: Expected return value in replay mode. A MockMethod object for the __setitem__ method that has already been called if not in replay mode. Raises: TypeError if the underlying class does not support item assignment. UnexpectedMethodCallError if the object does not expect the call to __setitem__. """ # Verify the class supports item assignment. if '__setitem__' not in dir(self._class_to_mock): raise TypeError('object does not support item assignment') # If we are in replay mode then simply call the mock __setitem__ method if self._replay_mode: return MockMethod('__setitem__', self._expected_calls_queue, self._replay_mode)(key, value) # Otherwise, create a mock method __setitem__. return self._CreateMockMethod('__setitem__')(key, value) def __getitem__(self, key): """Provide custom logic for mocking classes that are subscriptable. Args: key: Key to return the value for. Returns: Expected return value in replay mode. A MockMethod object for the __getitem__ method that has already been called if not in replay mode. Raises: TypeError if the underlying class is not subscriptable. UnexpectedMethodCallError if the object does not expect the call to __getitem__. """ # Verify the class supports item assignment. if '__getitem__' not in dir(self._class_to_mock): raise TypeError('unsubscriptable object') # If we are in replay mode then simply call the mock __getitem__ method if self._replay_mode: return MockMethod('__getitem__', self._expected_calls_queue, self._replay_mode)(key) # Otherwise, create a mock method __getitem__. return self._CreateMockMethod('__getitem__')(key) def __iter__(self): """Provide custom logic for mocking classes that are iterable. Returns: Expected return value in replay mode. A MockMethod object for the __iter__ method that has already been called if not in replay mode. Raises: TypeError if the underlying class is not iterable. UnexpectedMethodCallError if the object does not expect the call to __iter__. """ methods = dir(self._class_to_mock) # Verify the class supports iteration. if '__iter__' not in methods: # If it doesn't have iter method and we are in replay method, # then try to iterate using subscripts. if '__getitem__' not in methods or not self._replay_mode: raise TypeError('not iterable object') else: results = [] index = 0 try: while True: results.append(self[index]) index += 1 except IndexError: return iter(results) # If we are in replay mode then simply call the mock __iter__ method. if self._replay_mode: return MockMethod('__iter__', self._expected_calls_queue, self._replay_mode)() # Otherwise, create a mock method __iter__. return self._CreateMockMethod('__iter__')() def __contains__(self, key): """Provide custom logic for mocking classes that contain items. Args: key: Key to look in container for. Returns: Expected return value in replay mode. A MockMethod object for the __contains__ method that has already been called if not in replay mode. Raises: TypeError if the underlying class does not implement __contains__ UnexpectedMethodCaller if the object does not expect the call to __contains__. """ contains = self._class_to_mock.__dict__.get('__contains__', None) if contains is None: raise TypeError('unsubscriptable object') if self._replay_mode: return MockMethod('__contains__', self._expected_calls_queue, self._replay_mode)(key) return self._CreateMockMethod('__contains__')(key) def __call__(self, *params, **named_params): """Provide custom logic for mocking classes that are callable.""" # Verify the class we are mocking is callable. is_callable = hasattr(self._class_to_mock, '__call__') if not is_callable: raise TypeError('Not callable') # Because the call is happening directly on this object instead of # a method, the call on the mock method is made right here # If we are mocking a Function, then use the function, and not the # __call__ method method = None if type(self._class_to_mock) in (types.FunctionType, types.MethodType): method = self._class_to_mock else: method = getattr(self._class_to_mock, '__call__') mock_method = self._CreateMockMethod('__call__', method_to_mock=method) return mock_method(*params, **named_params) @property def __name__(self): """Return the name that is being mocked.""" return self._description # TODO(dejw): this property stopped to work after I introduced changes with # binding classes. Fortunately I found a solution in the form of # __getattribute__ method below, but this issue should be investigated @property def __class__(self): return self._class_to_mock def __dir__(self): """Return only attributes of a class to mock.""" return dir(self._class_to_mock) def __getattribute__(self, name): """Return _class_to_mock on __class__ attribute.""" if name == "__class__": return super(MockObject, self).__getattribute__("_class_to_mock") return super(MockObject, self).__getattribute__(name) class _MockObjectFactory(MockObject): """A MockObjectFactory creates mocks and verifies __init__ params. A MockObjectFactory removes the boiler plate code that was previously necessary to stub out direction instantiation of a class. The MockObjectFactory creates new MockObjects when called and verifies the __init__ params are correct when in record mode. When replaying, existing mocks are returned, and the __init__ params are verified. See StubOutWithMock vs StubOutClassWithMocks for more detail. """ def __init__(self, class_to_mock, mox_instance): MockObject.__init__(self, class_to_mock) self._mox = mox_instance self._instance_queue = collections.deque() def __call__(self, *params, **named_params): """Instantiate and record that a new mock has been created.""" method = getattr(self._class_to_mock, '__init__') mock_method = self._CreateMockMethod('__init__', method_to_mock=method) # Note: calling mock_method() is deferred in order to catch the # empty instance_queue first. if self._replay_mode: if not self._instance_queue: raise UnexpectedMockCreationError(self._class_to_mock, *params, **named_params) mock_method(*params, **named_params) return self._instance_queue.pop() else: mock_method(*params, **named_params) instance = self._mox.CreateMock(self._class_to_mock) self._instance_queue.appendleft(instance) return instance def _Verify(self): """Verify that all mocks have been created.""" if self._instance_queue: raise ExpectedMockCreationError(self._instance_queue) super(_MockObjectFactory, self)._Verify() class MethodSignatureChecker(object): """Ensures that methods are called correctly.""" _NEEDED, _DEFAULT, _GIVEN = range(3) def __init__(self, method, class_to_bind=None): """Creates a checker. Args: # method: A method to check. # class_to_bind: optionally, a class used to type check first # method parameter, only used with unbound methods method: function class_to_bind: type or None Raises: ValueError: method could not be inspected, so checks aren't possible. Some methods and functions like built-ins can't be inspected. """ try: self._args, varargs, varkw, defaults = inspect.getargspec(method) except TypeError: raise ValueError('Could not get argument specification for %r' % (method,)) if (inspect.ismethod(method) or class_to_bind or ( hasattr(self, '_args') and len(self._args) > 0 and self._args[0] == 'self')): self._args = self._args[1:] # Skip 'self'. self._method = method self._instance = None # May contain the instance this is bound to. self._instance = getattr(method, "__self__", None) # _bounded_to determines whether the method is bound or not if self._instance: self._bounded_to = self._instance.__class__ else: self._bounded_to = class_to_bind or getattr(method, "im_class", None) self._has_varargs = varargs is not None self._has_varkw = varkw is not None if defaults is None: self._required_args = self._args self._default_args = [] else: self._required_args = self._args[:-len(defaults)] self._default_args = self._args[-len(defaults):] def _RecordArgumentGiven(self, arg_name, arg_status): """Mark an argument as being given. Args: # arg_name: The name of the argument to mark in arg_status. # arg_status: Maps argument names to one of # _NEEDED, _DEFAULT, _GIVEN. arg_name: string arg_status: dict Raises: AttributeError: arg_name is already marked as _GIVEN. """ if arg_status.get(arg_name, None) == MethodSignatureChecker._GIVEN: raise AttributeError('%s provided more than once' % (arg_name,)) arg_status[arg_name] = MethodSignatureChecker._GIVEN def Check(self, params, named_params): """Ensures that the parameters used while recording a call are valid. Args: # params: A list of positional parameters. # named_params: A dict of named parameters. params: list named_params: dict Raises: AttributeError: the given parameters don't work with the given method. """ arg_status = dict((a, MethodSignatureChecker._NEEDED) for a in self._required_args) for arg in self._default_args: arg_status[arg] = MethodSignatureChecker._DEFAULT # WARNING: Suspect hack ahead. # # Check to see if this is an unbound method, where the instance # should be bound as the first argument. We try to determine if # the first argument (param[0]) is an instance of the class, or it # is equivalent to the class (used to account for Comparators). # # NOTE: If a Func() comparator is used, and the signature is not # correct, this will cause extra executions of the function. if inspect.ismethod(self._method) or self._bounded_to: # The extra param accounts for the bound instance. if len(params) > len(self._required_args): expected = self._bounded_to # Check if the param is an instance of the expected class, # or check equality (useful for checking Comparators). # This is a hack to work around the fact that the first # parameter can be a Comparator, and the comparison may raise # an exception during this comparison, which is OK. try: param_equality = (params[0] == expected) except Exception: param_equality = False if isinstance(params[0], expected) or param_equality: params = params[1:] # If the IsA() comparator is being used, we need to check the # inverse of the usual case - that the given instance is a # subclass of the expected class. For example, the code under # test does late binding to a subclass. elif (isinstance(params[0], IsA) and params[0]._IsSubClass(expected)): params = params[1:] # Check that each positional param is valid. for i in range(len(params)): try: arg_name = self._args[i] except IndexError: if not self._has_varargs: raise AttributeError( '%s does not take %d or more positional ' 'arguments' % (self._method.__name__, i)) else: self._RecordArgumentGiven(arg_name, arg_status) # Check each keyword argument. for arg_name in named_params: if arg_name not in arg_status and not self._has_varkw: raise AttributeError('%s is not expecting keyword argument %s' % (self._method.__name__, arg_name)) self._RecordArgumentGiven(arg_name, arg_status) # Ensure all the required arguments have been given. still_needed = [k for k, v in arg_status.items() if v == MethodSignatureChecker._NEEDED] if still_needed: raise AttributeError('No values given for arguments: %s' % (' '.join(sorted(still_needed)))) class MockMethod(object): """Callable mock method. A MockMethod should act exactly like the method it mocks, accepting parameters and returning a value, or throwing an exception (as specified). When this method is called, it can optionally verify whether the called method (name and signature) matches the expected method. """ def __init__(self, method_name, call_queue, replay_mode, method_to_mock=None, description=None, class_to_bind=None): """Construct a new mock method. Args: # method_name: the name of the method # call_queue: deque of calls, verify this call against the head, # or add this call to the queue. # replay_mode: False if we are recording, True if we are verifying # calls against the call queue. # method_to_mock: The actual method being mocked, used for # introspection. # description: optionally, a descriptive name for this method. # Typically this is equal to the descriptive name of # the method's class. # class_to_bind: optionally, a class that is used for unbound # methods (or functions in Python3) to which method # is bound, in order not to loose binding # information. If given, it will be used for # checking the type of first method parameter method_name: str call_queue: list or deque replay_mode: bool method_to_mock: a method object description: str or None class_to_bind: type or None """ self._name = method_name self.__name__ = method_name self._call_queue = call_queue if not isinstance(call_queue, collections.deque): self._call_queue = collections.deque(self._call_queue) self._replay_mode = replay_mode self._description = description self._params = None self._named_params = None self._return_value = None self._exception = None self._side_effects = None try: self._checker = MethodSignatureChecker(method_to_mock, class_to_bind=class_to_bind) except ValueError: self._checker = None def __call__(self, *params, **named_params): """Log parameters and return the specified return value. If the Mock(Anything/Object) associated with this call is in record mode, this MockMethod will be pushed onto the expected call queue. If the mock is in replay mode, this will pop a MockMethod off the top of the queue and verify this call is equal to the expected call. Raises: UnexpectedMethodCall if this call is supposed to match an expected method call and it does not. """ self._params = params self._named_params = named_params if not self._replay_mode: if self._checker is not None: self._checker.Check(params, named_params) self._call_queue.append(self) return self expected_method = self._VerifyMethodCall() if expected_method._side_effects: result = expected_method._side_effects(*params, **named_params) if expected_method._return_value is None: expected_method._return_value = result if expected_method._exception: raise expected_method._exception return expected_method._return_value def __getattr__(self, name): """Raise an AttributeError with a helpful message.""" raise AttributeError( 'MockMethod has no attribute "%s". ' 'Did you remember to put your mocks in replay mode?' % name) def __iter__(self): """Raise a TypeError with a helpful message.""" raise TypeError( 'MockMethod cannot be iterated. ' 'Did you remember to put your mocks in replay mode?') def next(self): """Raise a TypeError with a helpful message.""" raise TypeError( 'MockMethod cannot be iterated. ' 'Did you remember to put your mocks in replay mode?') def __next__(self): """Raise a TypeError with a helpful message.""" raise TypeError( 'MockMethod cannot be iterated. ' 'Did you remember to put your mocks in replay mode?') def _PopNextMethod(self): """Pop the next method from our call queue.""" try: return self._call_queue.popleft() except IndexError: raise UnexpectedMethodCallError(self, None) def _VerifyMethodCall(self): """Verify the called method is expected. This can be an ordered method, or part of an unordered set. Returns: The expected mock method. Raises: UnexpectedMethodCall if the method called was not expected. """ expected = self._PopNextMethod() # Loop here, because we might have a MethodGroup followed by another # group. while isinstance(expected, MethodGroup): expected, method = expected.MethodCalled(self) if method is not None: return method # This is a mock method, so just check equality. if expected != self: raise UnexpectedMethodCallError(self, expected) return expected def __str__(self): params = ', '.join( [repr(p) for p in self._params or []] + ['%s=%r' % x for x in sorted((self._named_params or {}).items())]) full_desc = "%s(%s) -> %r" % (self._name, params, self._return_value) if self._description: full_desc = "%s.%s" % (self._description, full_desc) return full_desc def __hash__(self): return id(self) def __eq__(self, rhs): """Test whether this MockMethod is equivalent to another MockMethod. Args: # rhs: the right hand side of the test rhs: MockMethod """ return (isinstance(rhs, MockMethod) and self._name == rhs._name and self._params == rhs._params and self._named_params == rhs._named_params) def __ne__(self, rhs): """Test if this MockMethod is not equivalent to another MockMethod. Args: # rhs: the right hand side of the test rhs: MockMethod """ return not self == rhs def GetPossibleGroup(self): """Returns a possible group from the end of the call queue. Return None if no other methods are on the stack. """ # Remove this method from the tail of the queue so we can add it # to a group. this_method = self._call_queue.pop() assert this_method == self # Determine if the tail of the queue is a group, or just a regular # ordered mock method. group = None try: group = self._call_queue[-1] except IndexError: pass return group def _CheckAndCreateNewGroup(self, group_name, group_class): """Checks if the last method (a possible group) is an instance of our group_class. Adds the current method to this group or creates a new one. Args: group_name: the name of the group. group_class: the class used to create instance of this new group """ group = self.GetPossibleGroup() # If this is a group, and it is the correct group, add the method. if isinstance(group, group_class) and group.group_name() == group_name: group.AddMethod(self) return self # Create a new group and add the method. new_group = group_class(group_name) new_group.AddMethod(self) self._call_queue.append(new_group) return self def InAnyOrder(self, group_name="default"): """Move this method into a group of unordered calls. A group of unordered calls must be defined together, and must be executed in full before the next expected method can be called. There can be multiple groups that are expected serially, if they are given different group names. The same group name can be reused if there is a standard method call, or a group with a different name, spliced between usages. Args: group_name: the name of the unordered group. Returns: self """ return self._CheckAndCreateNewGroup(group_name, UnorderedGroup) def MultipleTimes(self, group_name="default"): """Move method into group of calls which may be called multiple times. A group of repeating calls must be defined together, and must be executed in full before the next expected method can be called. Args: group_name: the name of the unordered group. Returns: self """ return self._CheckAndCreateNewGroup(group_name, MultipleTimesGroup) def AndReturn(self, return_value): """Set the value to return when this method is called. Args: # return_value can be anything. """ self._return_value = return_value return return_value def AndRaise(self, exception): """Set the exception to raise when this method is called. Args: # exception: the exception to raise when this method is called. exception: Exception """ self._exception = exception def WithSideEffects(self, side_effects): """Set the side effects that are simulated when this method is called. Args: side_effects: A callable which modifies the parameters or other relevant state which a given test case depends on. Returns: Self for chaining with AndReturn and AndRaise. """ self._side_effects = side_effects return self class Comparator: """Base class for all Mox comparators. A Comparator can be used as a parameter to a mocked method when the exact value is not known. For example, the code you are testing might build up a long SQL string that is passed to your mock DAO. You're only interested that the IN clause contains the proper primary keys, so you can set your mock up as follows: mock_dao.RunQuery(StrContains('IN (1, 2, 4, 5)')).AndReturn(mock_result) Now whatever query is passed in must contain the string 'IN (1, 2, 4, 5)'. A Comparator may replace one or more parameters, for example: # return at most 10 rows mock_dao.RunQuery(StrContains('SELECT'), 10) or # Return some non-deterministic number of rows mock_dao.RunQuery(StrContains('SELECT'), IsA(int)) """ def equals(self, rhs): """Special equals method that all comparators must implement. Args: rhs: any python object """ raise NotImplementedError('method must be implemented by a subclass.') def __eq__(self, rhs): return self.equals(rhs) def __ne__(self, rhs): return not self.equals(rhs) class Is(Comparator): """Comparison class used to check identity, instead of equality.""" def __init__(self, obj): self._obj = obj def equals(self, rhs): return rhs is self._obj def __repr__(self): return "" % (self._obj, id(self._obj)) class IsA(Comparator): """This class wraps a basic Python type or class. It is used to verify that a parameter is of the given type or class. Example: mock_dao.Connect(IsA(DbConnectInfo)) """ def __init__(self, class_name): """Initialize IsA Args: class_name: basic python type or a class """ self._class_name = class_name def equals(self, rhs): """Check to see if the RHS is an instance of class_name. Args: # rhs: the right hand side of the test rhs: object Returns: bool """ try: return isinstance(rhs, self._class_name) except TypeError: # Check raw types if there was a type error. This is helpful for # things like cStringIO.StringIO. return type(rhs) == type(self._class_name) def _IsSubClass(self, clazz): """Check to see if the IsA comparators class is a subclass of clazz. Args: # clazz: a class object Returns: bool """ try: return issubclass(self._class_name, clazz) except TypeError: # Check raw types if there was a type error. This is helpful for # things like cStringIO.StringIO. return type(clazz) == type(self._class_name) def __repr__(self): return 'mox.IsA(%s) ' % str(self._class_name) class IsAlmost(Comparator): """Comparison class used to check whether a parameter is nearly equal to a given value. Generally useful for floating point numbers. Example mock_dao.SetTimeout((IsAlmost(3.9))) """ def __init__(self, float_value, places=7): """Initialize IsAlmost. Args: float_value: The value for making the comparison. places: The number of decimal places to round to. """ self._float_value = float_value self._places = places def equals(self, rhs): """Check to see if RHS is almost equal to float_value Args: rhs: the value to compare to float_value Returns: bool """ try: return round(rhs - self._float_value, self._places) == 0 except Exception: # Probably because either float_value or rhs is not a number. return False def __repr__(self): return str(self._float_value) class StrContains(Comparator): """Comparison class used to check whether a substring exists in a string parameter. This can be useful in mocking a database with SQL passed in as a string parameter, for example. Example: mock_dao.RunQuery(StrContains('IN (1, 2, 4, 5)')).AndReturn(mock_result) """ def __init__(self, search_string): """Initialize. Args: # search_string: the string you are searching for search_string: str """ self._search_string = search_string def equals(self, rhs): """Check to see if the search_string is contained in the rhs string. Args: # rhs: the right hand side of the test rhs: object Returns: bool """ try: return rhs.find(self._search_string) > -1 except Exception: return False def __repr__(self): return '' % self._search_string class Regex(Comparator): """Checks if a string matches a regular expression. This uses a given regular expression to determine equality. """ def __init__(self, pattern, flags=0): """Initialize. Args: # pattern is the regular expression to search for pattern: str # flags passed to re.compile function as the second argument flags: int """ self.flags = flags self.regex = re.compile(pattern, flags=flags) def equals(self, rhs): """Check to see if rhs matches regular expression pattern. Returns: bool """ try: return self.regex.search(rhs) is not None except Exception: return False def __repr__(self): s = '' % str(self._key) class Not(Comparator): """Checks whether a predicates is False. Example: mock_dao.UpdateUsers(Not(ContainsKeyValue('stevepm', stevepm_user_info))) """ def __init__(self, predicate): """Initialize. Args: # predicate: a Comparator instance. """ assert isinstance(predicate, Comparator), ("predicate %r must be a" " Comparator." % predicate) self._predicate = predicate def equals(self, rhs): """Check to see whether the predicate is False. Args: rhs: A value that will be given in argument of the predicate. Returns: bool """ try: return not self._predicate.equals(rhs) except Exception: return False def __repr__(self): return '' % self._predicate class ContainsKeyValue(Comparator): """Checks whether a key/value pair is in a dict parameter. Example: mock_dao.UpdateUsers(ContainsKeyValue('stevepm', stevepm_user_info)) """ def __init__(self, key, value): """Initialize. Args: # key: a key in a dict # value: the corresponding value """ self._key = key self._value = value def equals(self, rhs): """Check whether the given key/value pair is in the rhs dict. Returns: bool """ try: return rhs[self._key] == self._value except Exception: return False def __repr__(self): return '' % (str(self._key), str(self._value)) class ContainsAttributeValue(Comparator): """Checks whether passed parameter contains attributes with a given value. Example: mock_dao.UpdateSomething(ContainsAttribute('stevepm', stevepm_user_info)) """ def __init__(self, key, value): """Initialize. Args: # key: an attribute name of an object # value: the corresponding value """ self._key = key self._value = value def equals(self, rhs): """Check if the given attribute has a matching value in the rhs object. Returns: bool """ try: return getattr(rhs, self._key) == self._value except Exception: return False class SameElementsAs(Comparator): """Checks whether sequences contain the same elements (ignoring order). Example: mock_dao.ProcessUsers(SameElementsAs('stevepm', 'salomaki')) """ def __init__(self, expected_seq): """Initialize. Args: expected_seq: a sequence """ # Store in case expected_seq is an iterator. self._expected_list = list(expected_seq) def equals(self, actual_seq): """Check to see whether actual_seq has same elements as expected_seq. Args: actual_seq: sequence Returns: bool """ try: # Store in case actual_seq is an iterator. We potentially iterate # twice: once to make the dict, once in the list fallback. actual_list = list(actual_seq) except TypeError: # actual_seq cannot be read as a sequence. # # This happens because Mox uses __eq__ both to check object # equality (in MethodSignatureChecker) and to invoke Comparators. return False try: return set(self._expected_list) == set(actual_list) except TypeError: # Fall back to slower list-compare if any of the objects # are unhashable. if len(self._expected_list) != len(actual_list): return False for el in actual_list: if el not in self._expected_list: return False return True def __repr__(self): return '' % self._expected_list class And(Comparator): """Evaluates one or more Comparators on RHS, returns an AND of the results. """ def __init__(self, *args): """Initialize. Args: *args: One or more Comparator """ self._comparators = args def equals(self, rhs): """Checks whether all Comparators are equal to rhs. Args: # rhs: can be anything Returns: bool """ for comparator in self._comparators: if not comparator.equals(rhs): return False return True def __repr__(self): return '' % str(self._comparators) class Or(Comparator): """Evaluates one or more Comparators on RHS; returns OR of the results.""" def __init__(self, *args): """Initialize. Args: *args: One or more Mox comparators """ self._comparators = args def equals(self, rhs): """Checks whether any Comparator is equal to rhs. Args: # rhs: can be anything Returns: bool """ for comparator in self._comparators: if comparator.equals(rhs): return True return False def __repr__(self): return '' % str(self._comparators) class Func(Comparator): """Call a function that should verify the parameter passed in is correct. You may need the ability to perform more advanced operations on the parameter in order to validate it. You can use this to have a callable validate any parameter. The callable should return either True or False. Example: def myParamValidator(param): # Advanced logic here return True mock_dao.DoSomething(Func(myParamValidator), true) """ def __init__(self, func): """Initialize. Args: func: callable that takes one parameter and returns a bool """ self._func = func def equals(self, rhs): """Test whether rhs passes the function test. rhs is passed into func. Args: rhs: any python object Returns: the result of func(rhs) """ return self._func(rhs) def __repr__(self): return str(self._func) class IgnoreArg(Comparator): """Ignore an argument. This can be used when we don't care about an argument of a method call. Example: # Check if CastMagic is called with 3 as first arg and # 'disappear' as third. mymock.CastMagic(3, IgnoreArg(), 'disappear') """ def equals(self, unused_rhs): """Ignores arguments and returns True. Args: unused_rhs: any python object Returns: always returns True """ return True def __repr__(self): return '' class Value(Comparator): """Compares argument against a remembered value. To be used in conjunction with Remember comparator. See Remember() for example. """ def __init__(self): self._value = None self._has_value = False def store_value(self, rhs): self._value = rhs self._has_value = True def equals(self, rhs): if not self._has_value: return False else: return rhs == self._value def __repr__(self): if self._has_value: return "" % self._value else: return "" class Remember(Comparator): """Remembers the argument to a value store. To be used in conjunction with Value comparator. Example: # Remember the argument for one method call. users_list = Value() mock_dao.ProcessUsers(Remember(users_list)) # Check argument against remembered value. mock_dao.ReportUsers(users_list) """ def __init__(self, value_store): if not isinstance(value_store, Value): raise TypeError( "value_store is not an instance of the Value class") self._value_store = value_store def equals(self, rhs): self._value_store.store_value(rhs) return True def __repr__(self): return "" % id(self._value_store) class MethodGroup(object): """Base class containing common behaviour for MethodGroups.""" def __init__(self, group_name): self._group_name = group_name def group_name(self): return self._group_name def __str__(self): return '<%s "%s">' % (self.__class__.__name__, self._group_name) def AddMethod(self, mock_method): raise NotImplementedError def MethodCalled(self, mock_method): raise NotImplementedError def IsSatisfied(self): raise NotImplementedError class UnorderedGroup(MethodGroup): """UnorderedGroup holds a set of method calls that may occur in any order. This construct is helpful for non-deterministic events, such as iterating over the keys of a dict. """ def __init__(self, group_name): super(UnorderedGroup, self).__init__(group_name) self._methods = [] def __str__(self): return '%s "%s" pending calls:\n%s' % ( self.__class__.__name__, self._group_name, "\n".join(str(method) for method in self._methods)) def AddMethod(self, mock_method): """Add a method to this group. Args: mock_method: A mock method to be added to this group. """ self._methods.append(mock_method) def MethodCalled(self, mock_method): """Remove a method call from the group. If the method is not in the set, an UnexpectedMethodCallError will be raised. Args: mock_method: a mock method that should be equal to a method in the group. Returns: The mock method from the group Raises: UnexpectedMethodCallError if the mock_method was not in the group. """ # Check to see if this method exists, and if so, remove it from the set # and return it. for method in self._methods: if method == mock_method: # Remove the called mock_method instead of the method in the # group. The called method will match any comparators when # equality is checked during removal. The method in the group # could pass a comparator to another comparator during the # equality check. self._methods.remove(mock_method) # If group is not empty, put it back at the head of the queue. if not self.IsSatisfied(): mock_method._call_queue.appendleft(self) return self, method raise UnexpectedMethodCallError(mock_method, self) def IsSatisfied(self): """Return True if there are not any methods in this group.""" return len(self._methods) == 0 class MultipleTimesGroup(MethodGroup): """MultipleTimesGroup holds methods that may be called any number of times. Note: Each method must be called at least once. This is helpful, if you don't know or care how many times a method is called. """ def __init__(self, group_name): super(MultipleTimesGroup, self).__init__(group_name) self._methods = set() self._methods_left = set() def AddMethod(self, mock_method): """Add a method to this group. Args: mock_method: A mock method to be added to this group. """ self._methods.add(mock_method) self._methods_left.add(mock_method) def MethodCalled(self, mock_method): """Remove a method call from the group. If the method is not in the set, an UnexpectedMethodCallError will be raised. Args: mock_method: a mock method that should be equal to a method in the group. Returns: The mock method from the group Raises: UnexpectedMethodCallError if the mock_method was not in the group. """ # Check to see if this method exists, and if so add it to the set of # called methods. for method in self._methods: if method == mock_method: self._methods_left.discard(method) # Always put this group back on top of the queue, # because we don't know when we are done. mock_method._call_queue.appendleft(self) return self, method if self.IsSatisfied(): next_method = mock_method._PopNextMethod() return next_method, None else: raise UnexpectedMethodCallError(mock_method, self) def IsSatisfied(self): """Return True if all methods in group are called at least once.""" return len(self._methods_left) == 0 class MoxMetaTestBase(type): """Metaclass to add mox cleanup and verification to every test. As the mox unit testing class is being constructed (MoxTestBase or a subclass), this metaclass will modify all test functions to call the CleanUpMox method of the test class after they finish. This means that unstubbing and verifying will happen for every test with no additional code, and any failures will result in test failures as opposed to errors. """ def __init__(cls, name, bases, d): type.__init__(cls, name, bases, d) # also get all the attributes from the base classes to account # for a case when test class is not the immediate child of MoxTestBase for base in bases: for attr_name in dir(base): if attr_name not in d: d[attr_name] = getattr(base, attr_name) for func_name, func in d.items(): if func_name.startswith('test') and callable(func): setattr(cls, func_name, MoxMetaTestBase.CleanUpTest(cls, func)) @staticmethod def CleanUpTest(cls, func): """Adds Mox cleanup code to any MoxTestBase method. Always unsets stubs after a test. Will verify all mocks for tests that otherwise pass. Args: cls: MoxTestBase or subclass; the class whose method we are altering. func: method; the method of the MoxTestBase test class we wish to alter. Returns: The modified method. """ def new_method(self, *args, **kwargs): mox_obj = getattr(self, 'mox', None) stubout_obj = getattr(self, 'stubs', None) cleanup_mox = False cleanup_stubout = False if mox_obj and isinstance(mox_obj, Mox): cleanup_mox = True if stubout_obj and isinstance(stubout_obj, stubout.StubOutForTesting): cleanup_stubout = True try: func(self, *args, **kwargs) finally: if cleanup_mox: mox_obj.UnsetStubs() if cleanup_stubout: stubout_obj.UnsetAll() stubout_obj.SmartUnsetAll() if cleanup_mox: mox_obj.VerifyAll() new_method.__name__ = func.__name__ new_method.__doc__ = func.__doc__ new_method.__module__ = func.__module__ return new_method _MoxTestBase = MoxMetaTestBase('_MoxTestBase', (unittest.TestCase, ), {}) class MoxTestBase(_MoxTestBase): """Convenience test class to make stubbing easier. Sets up a "mox" attribute which is an instance of Mox (any mox tests will want this), and a "stubs" attribute that is an instance of StubOutForTesting (needed at times). Also automatically unsets any stubs and verifies that all mock methods have been called at the end of each test, eliminating boilerplate code. """ def setUp(self): super(MoxTestBase, self).setUp() self.mox = Mox() self.stubs = stubout.StubOutForTesting() mox3-0.24.0/mox3/stubout.py000066400000000000000000000127111321055646700154430ustar00rootroot00000000000000# Copyright 2008 Google Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # # This is a fork of the pymox library intended to work with Python 3. # The file was modified by quermit@gmail.com and dawid.fatyga@gmail.com import inspect class StubOutForTesting(object): """Sample Usage: You want os.path.exists() to always return true during testing. stubs = StubOutForTesting() stubs.Set(os.path, 'exists', lambda x: 1) ... stubs.UnsetAll() The above changes os.path.exists into a lambda that returns 1. Once the ... part of the code finishes, the UnsetAll() looks up the old value of os.path.exists and restores it. """ def __init__(self): self.cache = [] self.stubs = [] def __del__(self): self.SmartUnsetAll() self.UnsetAll() def SmartSet(self, obj, attr_name, new_attr): """Replace obj.attr_name with new_attr. This method is smart and works at the module, class, and instance level while preserving proper inheritance. It will not stub out C types however unless that has been explicitly allowed by the type. This method supports the case where attr_name is a staticmethod or a classmethod of obj. Notes: - If obj is an instance, then it is its class that will actually be stubbed. Note that the method Set() does not do that: if obj is an instance, it (and not its class) will be stubbed. - The stubbing is using the builtin getattr and setattr. So, the __get__ and __set__ will be called when stubbing (TODO: A better idea would probably be to manipulate obj.__dict__ instead of getattr() and setattr()). Raises AttributeError if the attribute cannot be found. """ if (inspect.ismodule(obj) or (not inspect.isclass(obj) and attr_name in obj.__dict__)): orig_obj = obj orig_attr = getattr(obj, attr_name) else: if not inspect.isclass(obj): mro = list(inspect.getmro(obj.__class__)) else: mro = list(inspect.getmro(obj)) mro.reverse() orig_attr = None for cls in mro: try: orig_obj = cls orig_attr = getattr(obj, attr_name) except AttributeError: continue if orig_attr is None: raise AttributeError("Attribute not found.") # Calling getattr() on a staticmethod transforms it to a 'normal' # function. We need to ensure that we put it back as a staticmethod. old_attribute = obj.__dict__.get(attr_name) if (old_attribute is not None and isinstance(old_attribute, staticmethod)): orig_attr = staticmethod(orig_attr) self.stubs.append((orig_obj, attr_name, orig_attr)) setattr(orig_obj, attr_name, new_attr) def SmartUnsetAll(self): """Reverses all the SmartSet() calls. Restores things to their original definition. Its okay to call SmartUnsetAll() repeatedly, as later calls have no effect if no SmartSet() calls have been made. """ self.stubs.reverse() for args in self.stubs: setattr(*args) self.stubs = [] def Set(self, parent, child_name, new_child): """Replace child_name's old definition with new_child. Replace definiion in the context of the given parent. The parent could be a module when the child is a function at module scope. Or the parent could be a class when a class' method is being replaced. The named child is set to new_child, while the prior definition is saved away for later, when UnsetAll() is called. This method supports the case where child_name is a staticmethod or a classmethod of parent. """ old_child = getattr(parent, child_name) old_attribute = parent.__dict__.get(child_name) if old_attribute is not None: if isinstance(old_attribute, staticmethod): old_child = staticmethod(old_child) elif isinstance(old_attribute, classmethod): old_child = classmethod(old_child.__func__) self.cache.append((parent, old_child, child_name)) setattr(parent, child_name, new_child) def UnsetAll(self): """Reverses all the Set() calls. Restores things to their original definition. Its okay to call UnsetAll() repeatedly, as later calls have no effect if no Set() calls have been made. """ # Undo calls to Set() in reverse order, in case Set() was called on the # same arguments repeatedly (want the original call to be last one # undone) self.cache.reverse() for (parent, old_child, child_name) in self.cache: setattr(parent, child_name, old_child) self.cache = [] mox3-0.24.0/mox3/tests/000077500000000000000000000000001321055646700145245ustar00rootroot00000000000000mox3-0.24.0/mox3/tests/__init__.py000066400000000000000000000000001321055646700166230ustar00rootroot00000000000000mox3-0.24.0/mox3/tests/mox_helper.py000066400000000000000000000074671321055646700172560ustar00rootroot00000000000000# Copyright 2008 Google Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # # # This is a fork of the pymox library intended to work with Python 3. # The file was modified by quermit@gmail.com and dawid.fatyga@gmail.com """A very basic test class derived from mox.MoxTestBase, used by test_mox.py. The class defined in this module is used to test the features of MoxTestBase and is not intended to be a standalone test. It needs to be in a separate module, because otherwise the tests in this class (which should not all pass) would be executed as part of the test_mox.py test suite. See test_mox.MoxTestBaseTest for how this class is actually used. """ import os from mox3 import mox class ExampleMoxTestMixin(object): """Mix-in class for mox test case class. It stubs out the same function as one of the test methods in the example test case. Both tests must pass as meta class wraps test methods in all base classes. """ def testStat(self): self.mox.StubOutWithMock(os, 'stat') os.stat(self.DIR_PATH) self.mox.ReplayAll() os.stat(self.DIR_PATH) class ExampleMoxTest(mox.MoxTestBase, ExampleMoxTestMixin): DIR_PATH = '/path/to/some/directory' def testSuccess(self): self.mox.StubOutWithMock(os, 'listdir') os.listdir(self.DIR_PATH) self.mox.ReplayAll() os.listdir(self.DIR_PATH) def testExpectedNotCalled(self): self.mox.StubOutWithMock(os, 'listdir') os.listdir(self.DIR_PATH) self.mox.ReplayAll() def testUnexpectedCall(self): self.mox.StubOutWithMock(os, 'listdir') os.listdir(self.DIR_PATH) self.mox.ReplayAll() os.listdir('/path/to/some/other/directory') os.listdir(self.DIR_PATH) def testFailure(self): self.assertTrue(False) def testStatOther(self): self.mox.StubOutWithMock(os, 'stat') os.stat(self.DIR_PATH) self.mox.ReplayAll() os.stat(self.DIR_PATH) def testHasStubs(self): listdir_list = [] def MockListdir(directory): listdir_list.append(directory) self.stubs.Set(os, 'listdir', MockListdir) os.listdir(self.DIR_PATH) self.assertEqual([self.DIR_PATH], listdir_list) class TestClassFromAnotherModule(object): def __init__(self): return None def Value(self): return 'Not mock' class ChildClassFromAnotherModule(TestClassFromAnotherModule): """A child class of TestClassFromAnotherModule. Used to test stubbing out unbound methods, where child classes are eventually bound. """ def __init__(self): TestClassFromAnotherModule.__init__(self) class CallableClass(object): def __init__(self, one, two, nine=None): pass def __call__(self, one): return 'Not mock' def Value(self): return 'Not mock' def MyTestFunction(one, two, nine=None): pass class ExampleClass(object): def __init__(self, foo='bar'): pass def TestMethod(self, one, two, nine=None): pass def NamedParams(self, ignore, foo='bar', baz='qux'): pass def SpecialArgs(self, *args, **kwargs): pass # This class is used to test stubbing out __init__ of a parent class. class ChildExampleClass(ExampleClass): def __init__(self): ExampleClass.__init__(self) mox3-0.24.0/mox3/tests/stubout_helper.py000066400000000000000000000014311321055646700201410ustar00rootroot00000000000000# Copyright 2008 Google Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # # This is a fork of the pymox library intended to work with Python 3. # The file was modified by quermit@gmail.com and dawid.fatyga@gmail.com def SampleFunction(): raise Exception('I should never be called!') mox3-0.24.0/mox3/tests/test_mox.py000066400000000000000000002441721321055646700167520ustar00rootroot00000000000000# Unit tests for Mox. # # Copyright 2008 Google Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # # This is a fork of the pymox library intended to work with Python 3. # The file was modified by quermit@gmail.com and dawid.fatyga@gmail.com import io import re from mox3 import mox from mox3.tests import mox_helper import testtools OS_LISTDIR = mox_helper.os.listdir class ExpectedMethodCallsErrorTest(testtools.TestCase): """Test creation and string conversion of ExpectedMethodCallsError.""" def testAtLeastOneMethod(self): self.assertRaises(ValueError, mox.ExpectedMethodCallsError, []) def testOneError(self): method = mox.MockMethod("testMethod", [], False) method(1, 2).AndReturn('output') e = mox.ExpectedMethodCallsError([method]) self.assertEqual( "Verify: Expected methods never called:\n" " 0. testMethod(1, 2) -> 'output'", str(e)) def testManyErrors(self): method1 = mox.MockMethod("testMethod", [], False) method1(1, 2).AndReturn('output') method2 = mox.MockMethod("testMethod", [], False) method2(a=1, b=2, c="only named") method3 = mox.MockMethod("testMethod2", [], False) method3().AndReturn(44) method4 = mox.MockMethod("testMethod", [], False) method4(1, 2).AndReturn('output') e = mox.ExpectedMethodCallsError([method1, method2, method3, method4]) self.assertEqual( "Verify: Expected methods never called:\n" " 0. testMethod(1, 2) -> 'output'\n" " 1. testMethod(a=1, b=2, c='only named') -> None\n" " 2. testMethod2() -> 44\n" " 3. testMethod(1, 2) -> 'output'", str(e)) class OrTest(testtools.TestCase): """Test Or correctly chains Comparators.""" def testValidOr(self): """Or should be True if either Comparator returns True.""" self.assertTrue(mox.Or(mox.IsA(dict), mox.IsA(str)) == {}) self.assertTrue(mox.Or(mox.IsA(dict), mox.IsA(str)) == 'test') self.assertTrue(mox.Or(mox.IsA(str), mox.IsA(str)) == 'test') def testInvalidOr(self): """Or should be False if both Comparators return False.""" self.assertFalse(mox.Or(mox.IsA(dict), mox.IsA(str)) == 0) class AndTest(testtools.TestCase): """Test And correctly chains Comparators.""" def testValidAnd(self): """And should be True if both Comparators return True.""" self.assertTrue(mox.And(mox.IsA(str), mox.IsA(str)) == '1') def testClauseOneFails(self): """And should be False if the first Comparator returns False.""" self.assertFalse(mox.And(mox.IsA(dict), mox.IsA(str)) == '1') def testAdvancedUsage(self): """And should work with other Comparators. Note: this test is reliant on In and ContainsKeyValue. """ test_dict = {"mock": "obj", "testing": "isCOOL"} self.assertTrue(mox.And(mox.In("testing"), mox.ContainsKeyValue("mock", "obj")) == test_dict) def testAdvancedUsageFails(self): """Note: this test is reliant on In and ContainsKeyValue.""" test_dict = {"mock": "obj", "testing": "isCOOL"} self.assertFalse(mox.And(mox.In("NOTFOUND"), mox.ContainsKeyValue("mock", "obj")) == test_dict) class FuncTest(testtools.TestCase): """Test Func correctly evaluates based upon true-false return.""" def testFuncTrueFalseEvaluation(self): """Should return True if the validating function returns True.""" equals_one = lambda x: x == 1 always_none = lambda x: None self.assertTrue(mox.Func(equals_one) == 1) self.assertFalse(mox.Func(equals_one) == 0) self.assertFalse(mox.Func(always_none) == 1) self.assertFalse(mox.Func(always_none) == 0) self.assertFalse(mox.Func(always_none) is None) def testFuncExceptionPropagation(self): """Exceptions within the validating function should propagate.""" class TestException(Exception): pass def raiseExceptionOnNotOne(value): if value != 1: raise TestException else: return True self.assertTrue(mox.Func(raiseExceptionOnNotOne) == 1) self.assertRaises( TestException, mox.Func(raiseExceptionOnNotOne).__eq__, 2) class SameElementsAsTest(testtools.TestCase): """SameElementsAs correctly identifies sequences with same elements.""" def testSortedLists(self): """Should return True if two lists are exactly equal.""" self.assertTrue(mox.SameElementsAs([1, 2.0, 'c']) == [1, 2.0, 'c']) def testUnsortedLists(self): """Should return True if lists are unequal but have same elements.""" self.assertTrue(mox.SameElementsAs([1, 2.0, 'c']) == [2.0, 'c', 1]) def testUnhashableLists(self): """Should return True if lists have the same unhashable elements.""" self.assertTrue(mox.SameElementsAs([{'a': 1}, {2: 'b'}]) == [{2: 'b'}, {'a': 1}]) def testEmptyLists(self): """Should return True for two empty lists.""" self.assertTrue(mox.SameElementsAs([]) == []) def testUnequalLists(self): """Should return False if the lists are not equal.""" self.assertFalse(mox.SameElementsAs([1, 2.0, 'c']) == [2.0, 'c']) def testUnequalUnhashableLists(self): """Should return False if lists with unhashable items are unequal.""" self.assertFalse(mox.SameElementsAs( [{'a': 1}, {2: 'b'}]) == [{2: 'b'}]) def testActualIsNotASequence(self): """Should return False if the actual object is not a sequence.""" self.assertFalse(mox.SameElementsAs([1]) == object()) def testOneUnhashableObjectInActual(self): """Store the entire iterator for a correct comparison. In a previous version of SameElementsAs, iteration stopped when an unhashable object was encountered and then was restarted, so the actual list appeared smaller than it was. """ self.assertFalse(mox.SameElementsAs([1, 2]) == iter([{}, 1, 2])) class ContainsKeyValueTest(testtools.TestCase): """Test ContainsKeyValue correctly identifies key/value pairs in a dict. """ def testValidPair(self): """Should return True if the key value is in the dict.""" self.assertTrue(mox.ContainsKeyValue("key", 1) == {"key": 1}) def testInvalidValue(self): """Should return False if the value is not correct.""" self.assertFalse(mox.ContainsKeyValue("key", 1) == {"key": 2}) def testInvalidKey(self): """Should return False if they key is not in the dict.""" self.assertFalse(mox.ContainsKeyValue("qux", 1) == {"key": 2}) class ContainsAttributeValueTest(testtools.TestCase): """Test ContainsAttributeValue identifies properties in an object.""" def setUp(self): """Create an object to test with.""" class TestObject(object): key = 1 super(ContainsAttributeValueTest, self).setUp() self.test_object = TestObject() def testValidPair(self): """Return True if the object has the key attribute that matches.""" self.assertTrue(mox.ContainsAttributeValue("key", 1) == self.test_object) def testInvalidValue(self): """Should return False if the value is not correct.""" self.assertFalse(mox.ContainsKeyValue("key", 2) == self.test_object) def testInvalidKey(self): """Should return False if they the object doesn't have the property.""" self.assertFalse(mox.ContainsKeyValue("qux", 1) == self.test_object) class InTest(testtools.TestCase): """Test In correctly identifies a key in a list/dict.""" def testItemInList(self): """Should return True if the item is in the list.""" self.assertTrue(mox.In(1) == [1, 2, 3]) def testKeyInDict(self): """Should return True if the item is a key in a dict.""" self.assertTrue(mox.In("test") == {"test": "module"}) def testItemInTuple(self): """Should return True if the item is in the list.""" self.assertTrue(mox.In(1) == (1, 2, 3)) def testTupleInTupleOfTuples(self): self.assertTrue(mox.In((1, 2, 3)) == ((1, 2, 3), (1, 2))) def testItemNotInList(self): self.assertFalse(mox.In(1) == [2, 3]) def testTupleNotInTupleOfTuples(self): self.assertFalse(mox.In((1, 2)) == ((1, 2, 3), (4, 5))) class NotTest(testtools.TestCase): """Test Not correctly identifies False predicates.""" def testItemInList(self): """Should return True if the item is NOT in the list.""" self.assertTrue(mox.Not(mox.In(42)) == [1, 2, 3]) def testKeyInDict(self): """Should return True if the item is NOT a key in a dict.""" self.assertTrue(mox.Not(mox.In("foo")) == {"key": 42}) def testInvalidKeyWithNot(self): """Should return False if they key is NOT in the dict.""" self.assertTrue(mox.Not(mox.ContainsKeyValue("qux", 1)) == {"key": 2}) class StrContainsTest(testtools.TestCase): """Test StrContains checks for substring occurrence of a parameter.""" def testValidSubstringAtStart(self): """Should return True if substring is at the start of the string.""" self.assertTrue(mox.StrContains("hello") == "hello world") def testValidSubstringInMiddle(self): """Should return True if substring is in the middle of the string.""" self.assertTrue(mox.StrContains("lo wo") == "hello world") def testValidSubstringAtEnd(self): """Should return True if the substring is at the end of the string.""" self.assertTrue(mox.StrContains("ld") == "hello world") def testInvaildSubstring(self): """Should return False if the substring is not in the string.""" self.assertFalse(mox.StrContains("AAA") == "hello world") def testMultipleMatches(self): """Should return True if there are multiple occurrences of substring""" self.assertTrue(mox.StrContains("abc") == "ababcabcabcababc") class RegexTest(testtools.TestCase): """Test Regex correctly matches regular expressions.""" def testIdentifyBadSyntaxDuringInit(self): """The user should know immediately if a regex has bad syntax.""" self.assertRaises(re.error, mox.Regex, '(a|b') def testPatternInMiddle(self): """Return True if the pattern matches at the middle of the string. This ensures that re.search is used (instead of re.find). """ self.assertTrue(mox.Regex(r"a\s+b") == "x y z a b c") def testNonMatchPattern(self): """Should return False if the pattern does not match the string.""" self.assertFalse(mox.Regex(r"a\s+b") == "x y z") def testFlagsPassedCorrectly(self): """Should return True as we pass IGNORECASE flag.""" self.assertTrue(mox.Regex(r"A", re.IGNORECASE) == "a") def testReprWithoutFlags(self): """repr should return the regular expression pattern.""" self.assertTrue( repr(mox.Regex(r"a\s+b")) == "") def testReprWithFlags(self): """repr should return the regular expression pattern and flags.""" self.assertTrue(repr(mox.Regex(r"a\s+b", flags=4)) == "") class IsTest(testtools.TestCase): """Verify Is correctly checks equality based upon identity, not value.""" class AlwaysComparesTrue(object): def __eq__(self, other): return True def __cmp__(self, other): return 0 def __ne__(self, other): return False def testEqualityValid(self): o1 = self.AlwaysComparesTrue() self.assertTrue(mox.Is(o1), o1) def testEqualityInvalid(self): o1 = self.AlwaysComparesTrue() o2 = self.AlwaysComparesTrue() self.assertTrue(o1 == o2) # but... self.assertFalse(mox.Is(o1) == o2) def testInequalityValid(self): o1 = self.AlwaysComparesTrue() o2 = self.AlwaysComparesTrue() self.assertTrue(mox.Is(o1) != o2) def testInequalityInvalid(self): o1 = self.AlwaysComparesTrue() self.assertFalse(mox.Is(o1) != o1) def testEqualityInListValid(self): o1 = self.AlwaysComparesTrue() o2 = self.AlwaysComparesTrue() isa_list = [mox.Is(o1), mox.Is(o2)] str_list = [o1, o2] self.assertTrue(isa_list == str_list) def testEquailtyInListInvalid(self): o1 = self.AlwaysComparesTrue() o2 = self.AlwaysComparesTrue() isa_list = [mox.Is(o1), mox.Is(o2)] mixed_list = [o2, o1] self.assertFalse(isa_list == mixed_list) class IsATest(testtools.TestCase): """Verify IsA correctly checks equality based upon class type not value.""" def testEqualityValid(self): """Verify that == correctly identifies objects of the same type.""" self.assertTrue(mox.IsA(str) == 'test') def testEqualityInvalid(self): """Verify that == correctly identifies objects of different types.""" self.assertFalse(mox.IsA(str) == 10) def testInequalityValid(self): """Verify that != identifies objects of different type.""" self.assertTrue(mox.IsA(str) != 10) def testInequalityInvalid(self): """Verify that != correctly identifies objects of the same type.""" self.assertFalse(mox.IsA(str) != "test") def testEqualityInListValid(self): """Verify list contents are properly compared.""" isa_list = [mox.IsA(str), mox.IsA(str)] str_list = ["abc", "def"] self.assertTrue(isa_list == str_list) def testEquailtyInListInvalid(self): """Verify list contents are properly compared.""" isa_list = [mox.IsA(str), mox.IsA(str)] mixed_list = ["abc", 123] self.assertFalse(isa_list == mixed_list) def testSpecialTypes(self): """Verify that IsA can handle objects like io.StringIO.""" isA = mox.IsA(io.StringIO()) stringIO = io.StringIO() self.assertTrue(isA == stringIO) class IsAlmostTest(testtools.TestCase): """Verify IsAlmost correctly checks equality of floating point numbers.""" def testEqualityValid(self): """Verify that == correctly identifies nearly equivalent floats.""" self.assertEqual(mox.IsAlmost(1.8999999999), 1.9) def testEqualityInvalid(self): """Verify that == correctly identifies non-equivalent floats.""" self.assertNotEqual(mox.IsAlmost(1.899), 1.9) def testEqualityWithPlaces(self): """Verify that specifying places has the desired effect.""" self.assertNotEqual(mox.IsAlmost(1.899), 1.9) self.assertEqual(mox.IsAlmost(1.899, places=2), 1.9) def testNonNumericTypes(self): """Verify that IsAlmost handles non-numeric types properly.""" self.assertNotEqual(mox.IsAlmost(1.8999999999), '1.9') self.assertNotEqual(mox.IsAlmost('1.8999999999'), 1.9) self.assertNotEqual(mox.IsAlmost('1.8999999999'), '1.9') class ValueRememberTest(testtools.TestCase): """Verify comparing argument against remembered value.""" def testValueEquals(self): """Verify that value will compare to stored value.""" value = mox.Value() value.store_value('hello world') self.assertEqual(value, 'hello world') def testNoValue(self): """Verify that uninitialized value does not compare to empty values.""" value = mox.Value() self.assertNotEqual(value, None) self.assertNotEqual(value, False) self.assertNotEqual(value, 0) self.assertNotEqual(value, '') self.assertNotEqual(value, ()) self.assertNotEqual(value, []) self.assertNotEqual(value, {}) self.assertNotEqual(value, object()) self.assertNotEqual(value, set()) def testRememberValue(self): """Verify that comparing against remember will store argument.""" value = mox.Value() remember = mox.Remember(value) self.assertNotEqual(value, 'hello world') # value not yet stored. self.assertEqual(remember, 'hello world') # store value here. self.assertEqual(value, 'hello world') # compare against stored value. class MockMethodTest(testtools.TestCase): """Test class to verify that the MockMethod class is working correctly.""" def setUp(self): super(MockMethodTest, self).setUp() self.expected_method = mox.MockMethod( "testMethod", [], False)(['original']) self.mock_method = mox.MockMethod( "testMethod", [self.expected_method], True) def testNameAttribute(self): """Should provide a __name__ attribute.""" self.assertEqual('testMethod', self.mock_method.__name__) def testAndReturnNoneByDefault(self): """Should return None by default.""" return_value = self.mock_method(['original']) self.assertTrue(return_value is None) def testAndReturnValue(self): """Should return a specificed return value.""" expected_return_value = "test" self.expected_method.AndReturn(expected_return_value) return_value = self.mock_method(['original']) self.assertTrue(return_value == expected_return_value) def testAndRaiseException(self): """Should raise a specified exception.""" class TestException(Exception): pass expected_exception = TestException('test exception') self.expected_method.AndRaise(expected_exception) self.assertRaises(TestException, self.mock_method, ['original']) def testWithSideEffects(self): """Should call state modifier.""" local_list = ['original'] def modifier(mutable_list): self.assertTrue(local_list is mutable_list) mutable_list[0] = 'mutation' self.expected_method.WithSideEffects(modifier).AndReturn(1) self.mock_method(local_list) self.assertEqual('mutation', local_list[0]) def testWithReturningSideEffects(self): """Should call state modifier and propagate its return value.""" local_list = ['original'] expected_return = 'expected_return' def modifier_with_return(mutable_list): self.assertTrue(local_list is mutable_list) mutable_list[0] = 'mutation' return expected_return self.expected_method.WithSideEffects(modifier_with_return) actual_return = self.mock_method(local_list) self.assertEqual('mutation', local_list[0]) self.assertEqual(expected_return, actual_return) def testWithReturningSideEffectsWithAndReturn(self): """Should call state modifier and ignore its return value.""" local_list = ['original'] expected_return = 'expected_return' unexpected_return = 'unexpected_return' def modifier_with_return(mutable_list): self.assertTrue(local_list is mutable_list) mutable_list[0] = 'mutation' return unexpected_return self.expected_method.WithSideEffects(modifier_with_return).AndReturn( expected_return) actual_return = self.mock_method(local_list) self.assertEqual('mutation', local_list[0]) self.assertEqual(expected_return, actual_return) def testEqualityNoParamsEqual(self): """Methods with the same name and without params should be equal.""" expected_method = mox.MockMethod("testMethod", [], False) self.assertEqual(self.mock_method, expected_method) def testEqualityNoParamsNotEqual(self): """Methods with different names without params should not be equal.""" expected_method = mox.MockMethod("otherMethod", [], False) self.assertNotEqual(self.mock_method, expected_method) def testEqualityParamsEqual(self): """Methods with the same name and parameters should be equal.""" params = [1, 2, 3] expected_method = mox.MockMethod("testMethod", [], False) expected_method._params = params self.mock_method._params = params self.assertEqual(self.mock_method, expected_method) def testEqualityParamsNotEqual(self): """Methods with same name and different params should not be equal.""" expected_method = mox.MockMethod("testMethod", [], False) expected_method._params = [1, 2, 3] self.mock_method._params = ['a', 'b', 'c'] self.assertNotEqual(self.mock_method, expected_method) def testEqualityNamedParamsEqual(self): """Methods with the same name and same named params should be equal.""" named_params = {"input1": "test", "input2": "params"} expected_method = mox.MockMethod("testMethod", [], False) expected_method._named_params = named_params self.mock_method._named_params = named_params self.assertEqual(self.mock_method, expected_method) def testEqualityNamedParamsNotEqual(self): """Methods with same name and diffnamed params should not be equal.""" expected_method = mox.MockMethod("testMethod", [], False) expected_method._named_params = {"input1": "test", "input2": "params"} self.mock_method._named_params = { "input1": "test2", "input2": "params2"} self.assertNotEqual(self.mock_method, expected_method) def testEqualityWrongType(self): """Method should not be equal to an object of a different type.""" self.assertNotEqual(self.mock_method, "string?") def testObjectEquality(self): """Equality of objects should work without a Comparator""" instA = TestClass() instB = TestClass() params = [instA, ] expected_method = mox.MockMethod("testMethod", [], False) expected_method._params = params self.mock_method._params = [instB, ] self.assertEqual(self.mock_method, expected_method) def testStrConversion(self): method = mox.MockMethod("f", [], False) method(1, 2, "st", n1=8, n2="st2") self.assertEqual(str(method), ("f(1, 2, 'st', n1=8, n2='st2') -> None")) method = mox.MockMethod("testMethod", [], False) method(1, 2, "only positional") self.assertEqual(str(method), "testMethod(1, 2, 'only positional') -> None") method = mox.MockMethod("testMethod", [], False) method(a=1, b=2, c="only named") self.assertEqual(str(method), "testMethod(a=1, b=2, c='only named') -> None") method = mox.MockMethod("testMethod", [], False) method() self.assertEqual(str(method), "testMethod() -> None") method = mox.MockMethod("testMethod", [], False) method(x="only 1 parameter") self.assertEqual(str(method), "testMethod(x='only 1 parameter') -> None") method = mox.MockMethod("testMethod", [], False) method().AndReturn('return_value') self.assertEqual(str(method), "testMethod() -> 'return_value'") method = mox.MockMethod("testMethod", [], False) method().AndReturn(('a', {1: 2})) self.assertEqual(str(method), "testMethod() -> ('a', {1: 2})") class MockAnythingTest(testtools.TestCase): """Verify that the MockAnything class works as expected.""" def setUp(self): super(MockAnythingTest, self).setUp() self.mock_object = mox.MockAnything() def testRepr(self): """Calling repr on a MockAnything instance must work.""" self.assertEqual('', repr(self.mock_object)) def testCanMockStr(self): self.mock_object.__str__().AndReturn("foo") self.mock_object._Replay() actual = str(self.mock_object) self.mock_object._Verify() self.assertEqual("foo", actual) def testSetupMode(self): """Verify the mock will accept any call.""" self.mock_object.NonsenseCall() self.assertTrue(len(self.mock_object._expected_calls_queue) == 1) def testReplayWithExpectedCall(self): """Verify the mock replays method calls as expected.""" self.mock_object.ValidCall() # setup method call self.mock_object._Replay() # start replay mode self.mock_object.ValidCall() # make method call def testReplayWithUnexpectedCall(self): """Unexpected method calls should raise UnexpectedMethodCallError.""" self.mock_object.ValidCall() # setup method call self.mock_object._Replay() # start replay mode self.assertRaises(mox.UnexpectedMethodCallError, self.mock_object.OtherValidCall) def testVerifyWithCompleteReplay(self): """Verify should not raise an exception for a valid replay.""" self.mock_object.ValidCall() # setup method call self.mock_object._Replay() # start replay mode self.mock_object.ValidCall() # make method call self.mock_object._Verify() def testVerifyWithIncompleteReplay(self): """Verify should raise an exception if the replay was not complete.""" self.mock_object.ValidCall() # setup method call self.mock_object._Replay() # start replay mode # ValidCall() is never made self.assertRaises( mox.ExpectedMethodCallsError, self.mock_object._Verify) def testSpecialClassMethod(self): """Verify should not raise exception when special methods are used.""" self.mock_object[1].AndReturn(True) self.mock_object._Replay() returned_val = self.mock_object[1] self.assertTrue(returned_val) self.mock_object._Verify() def testNonzero(self): """You should be able to use the mock object in an if.""" self.mock_object._Replay() if self.mock_object: pass def testNotNone(self): """Mock should be comparable to None.""" self.mock_object._Replay() if self.mock_object is not None: pass if self.mock_object is None: pass def testEquals(self): """A mock should be able to compare itself to another object.""" self.mock_object._Replay() self.assertEqual(self.mock_object, self.mock_object) def testEqualsMockFailure(self): """Verify equals identifies unequal objects.""" self.mock_object.SillyCall() self.mock_object._Replay() self.assertNotEqual(self.mock_object, mox.MockAnything()) def testEqualsInstanceFailure(self): """Verify equals identifies that objects are different instances.""" self.mock_object._Replay() self.assertNotEqual(self.mock_object, TestClass()) def testNotEquals(self): """Verify not equals works.""" self.mock_object._Replay() self.assertFalse(self.mock_object != self.mock_object) def testNestedMockCallsRecordedSerially(self): """Test that nested calls work when recorded serially.""" self.mock_object.CallInner().AndReturn(1) self.mock_object.CallOuter(1) self.mock_object._Replay() self.mock_object.CallOuter(self.mock_object.CallInner()) self.mock_object._Verify() def testNestedMockCallsRecordedNested(self): """Test that nested cals work when recorded in a nested fashion.""" self.mock_object.CallOuter(self.mock_object.CallInner().AndReturn(1)) self.mock_object._Replay() self.mock_object.CallOuter(self.mock_object.CallInner()) self.mock_object._Verify() def testIsCallable(self): """Test that MockAnything can even mock a simple callable. This is handy for "stubbing out" a method in a module with a mock, and verifying that it was called. """ self.mock_object().AndReturn('mox0rd') self.mock_object._Replay() self.assertEqual('mox0rd', self.mock_object()) self.mock_object._Verify() def testIsReprable(self): """Test that MockAnythings can be repr'd without causing a failure.""" self.assertIn('MockAnything', repr(self.mock_object)) class MethodCheckerTest(testtools.TestCase): """Tests MockMethod's use of MethodChecker method.""" def testNoParameters(self): method = mox.MockMethod('NoParameters', [], False, CheckCallTestClass.NoParameters, class_to_bind=CheckCallTestClass) method() self.assertRaises(AttributeError, method, 1) self.assertRaises(AttributeError, method, 1, 2) self.assertRaises(AttributeError, method, a=1) self.assertRaises(AttributeError, method, 1, b=2) def testOneParameter(self): method = mox.MockMethod('OneParameter', [], False, CheckCallTestClass.OneParameter, class_to_bind=CheckCallTestClass) self.assertRaises(AttributeError, method) method(1) method(a=1) self.assertRaises(AttributeError, method, b=1) self.assertRaises(AttributeError, method, 1, 2) self.assertRaises(AttributeError, method, 1, a=2) self.assertRaises(AttributeError, method, 1, b=2) def testTwoParameters(self): method = mox.MockMethod('TwoParameters', [], False, CheckCallTestClass.TwoParameters, class_to_bind=CheckCallTestClass) self.assertRaises(AttributeError, method) self.assertRaises(AttributeError, method, 1) self.assertRaises(AttributeError, method, a=1) self.assertRaises(AttributeError, method, b=1) method(1, 2) method(1, b=2) method(a=1, b=2) method(b=2, a=1) self.assertRaises(AttributeError, method, b=2, c=3) self.assertRaises(AttributeError, method, a=1, b=2, c=3) self.assertRaises(AttributeError, method, 1, 2, 3) self.assertRaises(AttributeError, method, 1, 2, 3, 4) self.assertRaises(AttributeError, method, 3, a=1, b=2) def testOneDefaultValue(self): method = mox.MockMethod('OneDefaultValue', [], False, CheckCallTestClass.OneDefaultValue, class_to_bind=CheckCallTestClass) method() method(1) method(a=1) self.assertRaises(AttributeError, method, b=1) self.assertRaises(AttributeError, method, 1, 2) self.assertRaises(AttributeError, method, 1, a=2) self.assertRaises(AttributeError, method, 1, b=2) def testTwoDefaultValues(self): method = mox.MockMethod('TwoDefaultValues', [], False, CheckCallTestClass.TwoDefaultValues, class_to_bind=CheckCallTestClass) self.assertRaises(AttributeError, method) self.assertRaises(AttributeError, method, c=3) self.assertRaises(AttributeError, method, 1) self.assertRaises(AttributeError, method, 1, d=4) self.assertRaises(AttributeError, method, 1, d=4, c=3) method(1, 2) method(a=1, b=2) method(1, 2, 3) method(1, 2, 3, 4) method(1, 2, c=3) method(1, 2, c=3, d=4) method(1, 2, d=4, c=3) method(d=4, c=3, a=1, b=2) self.assertRaises(AttributeError, method, 1, 2, 3, 4, 5) self.assertRaises(AttributeError, method, 1, 2, e=9) self.assertRaises(AttributeError, method, a=1, b=2, e=9) def testArgs(self): method = mox.MockMethod('Args', [], False, CheckCallTestClass.Args, class_to_bind=CheckCallTestClass) self.assertRaises(AttributeError, method) self.assertRaises(AttributeError, method, 1) method(1, 2) method(a=1, b=2) method(1, 2, 3) method(1, 2, 3, 4) self.assertRaises(AttributeError, method, 1, 2, a=3) self.assertRaises(AttributeError, method, 1, 2, c=3) def testKwargs(self): method = mox.MockMethod('Kwargs', [], False, CheckCallTestClass.Kwargs, class_to_bind=CheckCallTestClass) self.assertRaises(AttributeError, method) method(1) method(1, 2) method(a=1, b=2) method(b=2, a=1) self.assertRaises(AttributeError, method, 1, 2, 3) self.assertRaises(AttributeError, method, 1, 2, a=3) method(1, 2, c=3) method(a=1, b=2, c=3) method(c=3, a=1, b=2) method(a=1, b=2, c=3, d=4) self.assertRaises(AttributeError, method, 1, 2, 3, 4) def testArgsAndKwargs(self): method = mox.MockMethod('ArgsAndKwargs', [], False, CheckCallTestClass.ArgsAndKwargs, class_to_bind=CheckCallTestClass) self.assertRaises(AttributeError, method) method(1) method(1, 2) method(1, 2, 3) method(a=1) method(1, b=2) self.assertRaises(AttributeError, method, 1, a=2) method(b=2, a=1) method(c=3, b=2, a=1) method(1, 2, c=3) class CheckCallTestClass(object): def NoParameters(self): pass def OneParameter(self, a): pass def TwoParameters(self, a, b): pass def OneDefaultValue(self, a=1): pass def TwoDefaultValues(self, a, b, c=1, d=2): pass def Args(self, a, b, *args): pass def Kwargs(self, a, b=2, **kwargs): pass def ArgsAndKwargs(self, a, *args, **kwargs): pass class MockObjectTest(testtools.TestCase): """Verify that the MockObject class works as exepcted.""" def setUp(self): super(MockObjectTest, self).setUp() self.mock_object = mox.MockObject(TestClass) def testSetupModeWithValidCall(self): """Verify the mock object properly mocks a basic method call.""" self.mock_object.ValidCall() self.assertTrue(len(self.mock_object._expected_calls_queue) == 1) def testSetupModeWithInvalidCall(self): """Rase UnknownMethodCallError for a non-member method call. """ # Note: assertRaises does not catch exceptions thrown by MockObject's # __getattr__ try: self.mock_object.InvalidCall() self.fail("No exception thrown, expected UnknownMethodCallError") except mox.UnknownMethodCallError: pass except Exception: self.fail("Wrong exception type thrown," " expected UnknownMethodCallError") def testReplayWithInvalidCall(self): """Rase UnknownMethodCallError for a non-member method call. """ self.mock_object.ValidCall() # setup method call self.mock_object._Replay() # start replay mode # Note: assertRaises does not catch exceptions thrown by MockObject's # __getattr__ try: self.mock_object.InvalidCall() self.fail("No exception thrown, expected UnknownMethodCallError") except mox.UnknownMethodCallError: pass except Exception: self.fail("Wrong exception type thrown," " expected UnknownMethodCallError") def testIsInstance(self): """Mock should be able to pass as an instance of the mocked class.""" self.assertTrue(isinstance(self.mock_object, TestClass)) def testFindValidMethods(self): """Mock should be able to mock all public methods.""" self.assertIn('ValidCall', self.mock_object._known_methods) self.assertIn('OtherValidCall', self.mock_object._known_methods) self.assertIn('MyClassMethod', self.mock_object._known_methods) self.assertIn('MyStaticMethod', self.mock_object._known_methods) self.assertIn('_ProtectedCall', self.mock_object._known_methods) self.assertNotIn('__PrivateCall', self.mock_object._known_methods) self.assertIn( '_TestClass__PrivateCall', self.mock_object._known_methods) def testFindsSuperclassMethods(self): """Mock should be able to mock superclasses methods.""" self.mock_object = mox.MockObject(ChildClass) self.assertIn('ValidCall', self.mock_object._known_methods) self.assertIn('OtherValidCall', self.mock_object._known_methods) self.assertIn('MyClassMethod', self.mock_object._known_methods) self.assertIn('ChildValidCall', self.mock_object._known_methods) def testAccessClassVariables(self): """Class variables should be accessible through the mock.""" self.assertIn('SOME_CLASS_VAR', self.mock_object._known_vars) self.assertIn('_PROTECTED_CLASS_VAR', self.mock_object._known_vars) self.assertEqual('test_value', self.mock_object.SOME_CLASS_VAR) def testEquals(self): """A mock should be able to compare itself to another object.""" self.mock_object._Replay() self.assertEqual(self.mock_object, self.mock_object) def testEqualsMockFailure(self): """Verify equals identifies unequal objects.""" self.mock_object.ValidCall() self.mock_object._Replay() self.assertNotEqual(self.mock_object, mox.MockObject(TestClass)) def testEqualsInstanceFailure(self): """Verify equals identifies that objects are different instances.""" self.mock_object._Replay() self.assertNotEqual(self.mock_object, TestClass()) def testNotEquals(self): """Verify not equals works.""" self.mock_object._Replay() self.assertFalse(self.mock_object != self.mock_object) def testMockSetItem_ExpectedSetItem_Success(self): """Test that __setitem__() gets mocked in Dummy. In this test, _Verify() succeeds. """ dummy = mox.MockObject(TestClass) dummy['X'] = 'Y' dummy._Replay() dummy['X'] = 'Y' dummy._Verify() def testMockSetItem_ExpectedSetItem_NoSuccess(self): """Test that __setitem__() gets mocked in Dummy. In this test, _Verify() fails. """ dummy = mox.MockObject(TestClass) dummy['X'] = 'Y' dummy._Replay() # NOT doing dummy['X'] = 'Y' self.assertRaises(mox.ExpectedMethodCallsError, dummy._Verify) def testMockSetItem_ExpectedNoSetItem_Success(self): """Test that __setitem__() gets mocked in Dummy.""" dummy = mox.MockObject(TestClass) # NOT doing dummy['X'] = 'Y' dummy._Replay() def call(): dummy['X'] = 'Y' self.assertRaises(mox.UnexpectedMethodCallError, call) def testMockSetItem_ExpectedNoSetItem_NoSuccess(self): """Test that __setitem__() gets mocked in Dummy. In this test, _Verify() fails. """ dummy = mox.MockObject(TestClass) # NOT doing dummy['X'] = 'Y' dummy._Replay() # NOT doing dummy['X'] = 'Y' dummy._Verify() def testMockSetItem_ExpectedSetItem_NonmatchingParameters(self): """Test that __setitem__() fails if other parameters are expected.""" dummy = mox.MockObject(TestClass) dummy['X'] = 'Y' dummy._Replay() def call(): dummy['wrong'] = 'Y' self.assertRaises(mox.UnexpectedMethodCallError, call) dummy._Verify() def testMockSetItem_WithSubClassOfNewStyleClass(self): class NewStyleTestClass(object): def __init__(self): self.my_dict = {} def __setitem__(self, key, value): self.my_dict[key], value class TestSubClass(NewStyleTestClass): pass dummy = mox.MockObject(TestSubClass) dummy[1] = 2 dummy._Replay() dummy[1] = 2 dummy._Verify() def testMockGetItem_ExpectedGetItem_Success(self): """Test that __getitem__() gets mocked in Dummy. In this test, _Verify() succeeds. """ dummy = mox.MockObject(TestClass) dummy['X'].AndReturn('value') dummy._Replay() self.assertEqual(dummy['X'], 'value') dummy._Verify() def testMockGetItem_ExpectedGetItem_NoSuccess(self): """Test that __getitem__() gets mocked in Dummy. In this test, _Verify() fails. """ dummy = mox.MockObject(TestClass) dummy['X'].AndReturn('value') dummy._Replay() # NOT doing dummy['X'] self.assertRaises(mox.ExpectedMethodCallsError, dummy._Verify) def testMockGetItem_ExpectedNoGetItem_NoSuccess(self): """Test that __getitem__() gets mocked in Dummy.""" dummy = mox.MockObject(TestClass) # NOT doing dummy['X'] dummy._Replay() def call(): return dummy['X'] self.assertRaises(mox.UnexpectedMethodCallError, call) def testMockGetItem_ExpectedGetItem_NonmatchingParameters(self): """Test that __getitem__() fails if other parameters are expected.""" dummy = mox.MockObject(TestClass) dummy['X'].AndReturn('value') dummy._Replay() def call(): return dummy['wrong'] self.assertRaises(mox.UnexpectedMethodCallError, call) dummy._Verify() def testMockGetItem_WithSubClassOfNewStyleClass(self): class NewStyleTestClass(object): def __getitem__(self, key): return {1: '1', 2: '2'}[key] class TestSubClass(NewStyleTestClass): pass dummy = mox.MockObject(TestSubClass) dummy[1].AndReturn('3') dummy._Replay() self.assertEqual('3', dummy.__getitem__(1)) dummy._Verify() def testMockIter_ExpectedIter_Success(self): """Test that __iter__() gets mocked in Dummy. In this test, _Verify() succeeds. """ dummy = mox.MockObject(TestClass) iter(dummy).AndReturn(iter(['X', 'Y'])) dummy._Replay() self.assertEqual([x for x in dummy], ['X', 'Y']) dummy._Verify() def testMockContains_ExpectedContains_Success(self): """Test that __contains__ gets mocked in Dummy. In this test, _Verify() succeeds. """ dummy = mox.MockObject(TestClass) dummy.__contains__('X').AndReturn(True) dummy._Replay() self.assertIn('X', dummy) dummy._Verify() def testMockContains_ExpectedContains_NoSuccess(self): """Test that __contains__() gets mocked in Dummy. In this test, _Verify() fails. """ dummy = mox.MockObject(TestClass) dummy.__contains__('X').AndReturn('True') dummy._Replay() # NOT doing 'X' in dummy self.assertRaises(mox.ExpectedMethodCallsError, dummy._Verify) def testMockContains_ExpectedContains_NonmatchingParameter(self): """Test that __contains__ fails if other parameters are expected.""" dummy = mox.MockObject(TestClass) dummy.__contains__('X').AndReturn(True) dummy._Replay() def call(): return 'Y' in dummy self.assertRaises(mox.UnexpectedMethodCallError, call) dummy._Verify() def testMockIter_ExpectedIter_NoSuccess(self): """Test that __iter__() gets mocked in Dummy. In this test, _Verify() fails. """ dummy = mox.MockObject(TestClass) iter(dummy).AndReturn(iter(['X', 'Y'])) dummy._Replay() # NOT doing self.assertEqual([x for x in dummy], ['X', 'Y']) self.assertRaises(mox.ExpectedMethodCallsError, dummy._Verify) def testMockIter_ExpectedNoIter_NoSuccess(self): """Test that __iter__() gets mocked in Dummy.""" dummy = mox.MockObject(TestClass) # NOT doing iter(dummy) dummy._Replay() def call(): return [x for x in dummy] self.assertRaises(mox.UnexpectedMethodCallError, call) def testMockIter_ExpectedGetItem_Success(self): """Test that __iter__() gets mocked in Dummy using getitem.""" dummy = mox.MockObject(SubscribtableNonIterableClass) dummy[0].AndReturn('a') dummy[1].AndReturn('b') dummy[2].AndRaise(IndexError) dummy._Replay() self.assertEqual(['a', 'b'], [x for x in dummy]) dummy._Verify() def testMockIter_ExpectedNoGetItem_NoSuccess(self): """Test that __iter__() gets mocked in Dummy using getitem.""" dummy = mox.MockObject(SubscribtableNonIterableClass) # NOT doing dummy[index] dummy._Replay() function = lambda: [x for x in dummy] self.assertRaises(mox.UnexpectedMethodCallError, function) def testMockGetIter_WithSubClassOfNewStyleClass(self): class NewStyleTestClass(object): def __iter__(self): return iter([1, 2, 3]) class TestSubClass(NewStyleTestClass): pass dummy = mox.MockObject(TestSubClass) iter(dummy).AndReturn(iter(['a', 'b'])) dummy._Replay() self.assertEqual(['a', 'b'], [x for x in dummy]) dummy._Verify() def testInstantiationWithAdditionalAttributes(self): mock_object = mox.MockObject(TestClass, attrs={"attr1": "value"}) self.assertEqual(mock_object.attr1, "value") def testCantOverrideMethodsWithAttributes(self): self.assertRaises(ValueError, mox.MockObject, TestClass, attrs={"ValidCall": "value"}) def testCantMockNonPublicAttributes(self): self.assertRaises(mox.PrivateAttributeError, mox.MockObject, TestClass, attrs={"_protected": "value"}) self.assertRaises(mox.PrivateAttributeError, mox.MockObject, TestClass, attrs={"__private": "value"}) class MoxTest(testtools.TestCase): """Verify Mox works correctly.""" def setUp(self): super(MoxTest, self).setUp() self.mox = mox.Mox() def testCreateObject(self): """Mox should create a mock object.""" self.mox.CreateMock(TestClass) def testVerifyObjectWithCompleteReplay(self): """Mox should replay and verify all objects it created.""" mock_obj = self.mox.CreateMock(TestClass) mock_obj.ValidCall() mock_obj.ValidCallWithArgs(mox.IsA(TestClass)) self.mox.ReplayAll() mock_obj.ValidCall() mock_obj.ValidCallWithArgs(TestClass("some_value")) self.mox.VerifyAll() def testVerifyObjectWithIncompleteReplay(self): """Mox should raise an exception if a mock didn't replay completely.""" mock_obj = self.mox.CreateMock(TestClass) mock_obj.ValidCall() self.mox.ReplayAll() # ValidCall() is never made self.assertRaises(mox.ExpectedMethodCallsError, self.mox.VerifyAll) def testEntireWorkflow(self): """Test the whole work flow.""" mock_obj = self.mox.CreateMock(TestClass) mock_obj.ValidCall().AndReturn("yes") self.mox.ReplayAll() ret_val = mock_obj.ValidCall() self.assertEqual("yes", ret_val) self.mox.VerifyAll() def testSignatureMatchingWithComparatorAsFirstArg(self): """Test that the first argument can be a comparator.""" def VerifyLen(val): """This will raise an exception when not given a list. This exception will be raised when trying to infer/validate the method signature. """ return len(val) != 1 mock_obj = self.mox.CreateMock(TestClass) # This intentionally does not name the 'nine' param so it triggers # deeper inspection. mock_obj.MethodWithArgs(mox.Func(VerifyLen), mox.IgnoreArg(), None) self.mox.ReplayAll() mock_obj.MethodWithArgs([1, 2], "foo", None) self.mox.VerifyAll() def testCallableObject(self): """Test recording calls to a callable object works.""" mock_obj = self.mox.CreateMock(CallableClass) mock_obj("foo").AndReturn("qux") self.mox.ReplayAll() ret_val = mock_obj("foo") self.assertEqual("qux", ret_val) self.mox.VerifyAll() def testInheritedCallableObject(self): """Recording calls to an object inheriting from a callable object.""" mock_obj = self.mox.CreateMock(InheritsFromCallable) mock_obj("foo").AndReturn("qux") self.mox.ReplayAll() ret_val = mock_obj("foo") self.assertEqual("qux", ret_val) self.mox.VerifyAll() def testCallOnNonCallableObject(self): """Test that you cannot call a non-callable object.""" mock_obj = self.mox.CreateMock("string is not callable") self.assertRaises(TypeError, mock_obj) def testCallableObjectWithBadCall(self): """Test verifying calls to a callable object works.""" mock_obj = self.mox.CreateMock(CallableClass) mock_obj("foo").AndReturn("qux") self.mox.ReplayAll() self.assertRaises(mox.UnexpectedMethodCallError, mock_obj, "ZOOBAZ") def testCallableObjectVerifiesSignature(self): mock_obj = self.mox.CreateMock(CallableClass) # Too many arguments self.assertRaises(AttributeError, mock_obj, "foo", "bar") def testUnorderedGroup(self): """Test that using one unordered group works.""" mock_obj = self.mox.CreateMockAnything() mock_obj.Method(1).InAnyOrder() mock_obj.Method(2).InAnyOrder() self.mox.ReplayAll() mock_obj.Method(2) mock_obj.Method(1) self.mox.VerifyAll() def testUnorderedGroupsInline(self): """Unordered groups should work in the context of ordered calls.""" mock_obj = self.mox.CreateMockAnything() mock_obj.Open() mock_obj.Method(1).InAnyOrder() mock_obj.Method(2).InAnyOrder() mock_obj.Close() self.mox.ReplayAll() mock_obj.Open() mock_obj.Method(2) mock_obj.Method(1) mock_obj.Close() self.mox.VerifyAll() def testMultipleUnorderdGroups(self): """Multiple unoreded groups should work.""" mock_obj = self.mox.CreateMockAnything() mock_obj.Method(1).InAnyOrder() mock_obj.Method(2).InAnyOrder() mock_obj.Foo().InAnyOrder('group2') mock_obj.Bar().InAnyOrder('group2') self.mox.ReplayAll() mock_obj.Method(2) mock_obj.Method(1) mock_obj.Bar() mock_obj.Foo() self.mox.VerifyAll() def testMultipleUnorderdGroupsOutOfOrder(self): """Multiple unordered groups should maintain external order""" mock_obj = self.mox.CreateMockAnything() mock_obj.Method(1).InAnyOrder() mock_obj.Method(2).InAnyOrder() mock_obj.Foo().InAnyOrder('group2') mock_obj.Bar().InAnyOrder('group2') self.mox.ReplayAll() mock_obj.Method(2) self.assertRaises(mox.UnexpectedMethodCallError, mock_obj.Bar) def testUnorderedGroupWithReturnValue(self): """Unordered groups should work with return values.""" mock_obj = self.mox.CreateMockAnything() mock_obj.Open() mock_obj.Method(1).InAnyOrder().AndReturn(9) mock_obj.Method(2).InAnyOrder().AndReturn(10) mock_obj.Close() self.mox.ReplayAll() mock_obj.Open() actual_two = mock_obj.Method(2) actual_one = mock_obj.Method(1) mock_obj.Close() self.assertEqual(9, actual_one) self.assertEqual(10, actual_two) self.mox.VerifyAll() def testUnorderedGroupWithComparator(self): """Unordered groups should work with comparators.""" def VerifyOne(cmd): if not isinstance(cmd, str): self.fail('Unexpected type passed to comparator: ' + str(cmd)) return cmd == 'test' def VerifyTwo(cmd): return True mock_obj = self.mox.CreateMockAnything() mock_obj.Foo(['test'], mox.Func(VerifyOne), bar=1).InAnyOrder().\ AndReturn('yes test') mock_obj.Foo(['test'], mox.Func(VerifyTwo), bar=1).InAnyOrder().\ AndReturn('anything') self.mox.ReplayAll() mock_obj.Foo(['test'], 'anything', bar=1) mock_obj.Foo(['test'], 'test', bar=1) self.mox.VerifyAll() def testMultipleTimes(self): """Test if MultipleTimesGroup works.""" mock_obj = self.mox.CreateMockAnything() mock_obj.Method(1).MultipleTimes().AndReturn(9) mock_obj.Method(2).AndReturn(10) mock_obj.Method(3).MultipleTimes().AndReturn(42) self.mox.ReplayAll() actual_one = mock_obj.Method(1) second_one = mock_obj.Method(1) # This tests MultipleTimes. actual_two = mock_obj.Method(2) actual_three = mock_obj.Method(3) mock_obj.Method(3) mock_obj.Method(3) self.mox.VerifyAll() self.assertEqual(9, actual_one) # Repeated calls should return same number. self.assertEqual(9, second_one) self.assertEqual(10, actual_two) self.assertEqual(42, actual_three) def testMultipleTimesUsingIsAParameter(self): """Test if MultipleTimesGroup works with a IsA parameter.""" mock_obj = self.mox.CreateMockAnything() mock_obj.Open() mock_obj.Method(mox.IsA(str)).MultipleTimes("IsA").AndReturn(9) mock_obj.Close() self.mox.ReplayAll() mock_obj.Open() actual_one = mock_obj.Method("1") second_one = mock_obj.Method("2") # This tests MultipleTimes. mock_obj.Close() self.mox.VerifyAll() self.assertEqual(9, actual_one) # Repeated calls should return same number. self.assertEqual(9, second_one) def testMutlipleTimesUsingFunc(self): """Test that the Func is not evaluated more times than necessary. If a Func() has side effects, it can cause a passing test to fail. """ self.counter = 0 def MyFunc(actual_str): """Increment the counter if actual_str == 'foo'.""" if actual_str == 'foo': self.counter += 1 return True mock_obj = self.mox.CreateMockAnything() mock_obj.Open() mock_obj.Method(mox.Func(MyFunc)).MultipleTimes() mock_obj.Close() self.mox.ReplayAll() mock_obj.Open() mock_obj.Method('foo') mock_obj.Method('foo') mock_obj.Method('not-foo') mock_obj.Close() self.mox.VerifyAll() self.assertEqual(2, self.counter) def testMultipleTimesThreeMethods(self): """Test if MultipleTimesGroup works with three or more methods.""" mock_obj = self.mox.CreateMockAnything() mock_obj.Open() mock_obj.Method(1).MultipleTimes().AndReturn(9) mock_obj.Method(2).MultipleTimes().AndReturn(8) mock_obj.Method(3).MultipleTimes().AndReturn(7) mock_obj.Method(4).AndReturn(10) mock_obj.Close() self.mox.ReplayAll() mock_obj.Open() actual_three = mock_obj.Method(3) mock_obj.Method(1) actual_two = mock_obj.Method(2) mock_obj.Method(3) actual_one = mock_obj.Method(1) actual_four = mock_obj.Method(4) mock_obj.Close() self.assertEqual(9, actual_one) self.assertEqual(8, actual_two) self.assertEqual(7, actual_three) self.assertEqual(10, actual_four) self.mox.VerifyAll() def testMultipleTimesMissingOne(self): """Test if MultipleTimesGroup fails if one method is missing.""" mock_obj = self.mox.CreateMockAnything() mock_obj.Open() mock_obj.Method(1).MultipleTimes().AndReturn(9) mock_obj.Method(2).MultipleTimes().AndReturn(8) mock_obj.Method(3).MultipleTimes().AndReturn(7) mock_obj.Method(4).AndReturn(10) mock_obj.Close() self.mox.ReplayAll() mock_obj.Open() mock_obj.Method(3) mock_obj.Method(2) mock_obj.Method(3) mock_obj.Method(3) mock_obj.Method(2) self.assertRaises(mox.UnexpectedMethodCallError, mock_obj.Method, 4) def testMultipleTimesTwoGroups(self): """Test if MultipleTimesGroup works with a group after a MultipleTimesGroup. """ mock_obj = self.mox.CreateMockAnything() mock_obj.Open() mock_obj.Method(1).MultipleTimes().AndReturn(9) mock_obj.Method(3).MultipleTimes("nr2").AndReturn(42) mock_obj.Close() self.mox.ReplayAll() mock_obj.Open() actual_one = mock_obj.Method(1) mock_obj.Method(1) actual_three = mock_obj.Method(3) mock_obj.Method(3) mock_obj.Close() self.assertEqual(9, actual_one) self.assertEqual(42, actual_three) self.mox.VerifyAll() def testMultipleTimesTwoGroupsFailure(self): """Test if MultipleTimesGroup fails with a group after a MultipleTimesGroup. """ mock_obj = self.mox.CreateMockAnything() mock_obj.Open() mock_obj.Method(1).MultipleTimes().AndReturn(9) mock_obj.Method(3).MultipleTimes("nr2").AndReturn(42) mock_obj.Close() self.mox.ReplayAll() mock_obj.Open() mock_obj.Method(1) mock_obj.Method(1) mock_obj.Method(3) self.assertRaises(mox.UnexpectedMethodCallError, mock_obj.Method, 1) def testWithSideEffects(self): """Test side effect operations actually modify their target objects.""" def modifier(mutable_list): mutable_list[0] = 'mutated' mock_obj = self.mox.CreateMockAnything() mock_obj.ConfigureInOutParameter( ['original']).WithSideEffects(modifier) mock_obj.WorkWithParameter(['mutated']) self.mox.ReplayAll() local_list = ['original'] mock_obj.ConfigureInOutParameter(local_list) mock_obj.WorkWithParameter(local_list) self.mox.VerifyAll() def testWithSideEffectsException(self): """Test side effect operations actually modify their target objects.""" class TestException(Exception): pass def modifier(mutable_list): mutable_list[0] = 'mutated' mock_obj = self.mox.CreateMockAnything() method = mock_obj.ConfigureInOutParameter(['original']) method.WithSideEffects(modifier).AndRaise(TestException('exception')) mock_obj.WorkWithParameter(['mutated']) self.mox.ReplayAll() local_list = ['original'] self.assertRaises(TestException, mock_obj.ConfigureInOutParameter, local_list) mock_obj.WorkWithParameter(local_list) self.mox.VerifyAll() def testStubOutMethod(self): """Test that a method is replaced with a MockObject.""" test_obj = TestClass() method_type = type(test_obj.OtherValidCall) # Replace OtherValidCall with a mock. self.mox.StubOutWithMock(test_obj, 'OtherValidCall') self.assertTrue(isinstance(test_obj.OtherValidCall, mox.MockObject)) self.assertFalse(type(test_obj.OtherValidCall) is method_type) test_obj.OtherValidCall().AndReturn('foo') self.mox.ReplayAll() actual = test_obj.OtherValidCall() self.mox.VerifyAll() self.mox.UnsetStubs() self.assertEqual('foo', actual) self.assertTrue(type(test_obj.OtherValidCall) is method_type) def testStubOutMethod_Unbound_Comparator(self): instance = TestClass() self.mox.StubOutWithMock(TestClass, 'OtherValidCall') TestClass.OtherValidCall(mox.IgnoreArg()).AndReturn('foo') self.mox.ReplayAll() actual = TestClass.OtherValidCall(instance) self.mox.VerifyAll() self.mox.UnsetStubs() self.assertEqual('foo', actual) def testStubOutMethod_Unbound_Subclass_Comparator(self): self.mox.StubOutWithMock( mox_helper.TestClassFromAnotherModule, 'Value') mox_helper.TestClassFromAnotherModule.Value( mox.IsA(mox_helper.ChildClassFromAnotherModule)).AndReturn('foo') self.mox.ReplayAll() instance = mox_helper.ChildClassFromAnotherModule() actual = mox_helper.TestClassFromAnotherModule.Value(instance) self.mox.VerifyAll() self.mox.UnsetStubs() self.assertEqual('foo', actual) def testStubOuMethod_Unbound_WithOptionalParams(self): self.mox = mox.Mox() self.mox.StubOutWithMock(TestClass, 'OptionalArgs') TestClass.OptionalArgs(mox.IgnoreArg(), foo=2) self.mox.ReplayAll() t = TestClass() TestClass.OptionalArgs(t, foo=2) self.mox.VerifyAll() self.mox.UnsetStubs() def testStubOutMethod_Unbound_ActualInstance(self): instance = TestClass() self.mox.StubOutWithMock(TestClass, 'OtherValidCall') TestClass.OtherValidCall(instance).AndReturn('foo') self.mox.ReplayAll() actual = TestClass.OtherValidCall(instance) self.mox.VerifyAll() self.mox.UnsetStubs() self.assertEqual('foo', actual) def testStubOutMethod_Unbound_DifferentInstance(self): instance = TestClass() self.mox.StubOutWithMock(TestClass, 'OtherValidCall') TestClass.OtherValidCall(instance).AndReturn('foo') self.mox.ReplayAll() # This should fail, since the instances are different self.assertRaises(mox.UnexpectedMethodCallError, TestClass.OtherValidCall, "wrong self") self.mox.VerifyAll() self.mox.UnsetStubs() def testStubOutMethod_Unbound_NamedUsingPositional(self): """Check positional parameters can be matched to keyword arguments.""" self.mox.StubOutWithMock(mox_helper.ExampleClass, 'NamedParams') instance = mox_helper.ExampleClass() mox_helper.ExampleClass.NamedParams(instance, 'foo', baz=None) self.mox.ReplayAll() mox_helper.ExampleClass.NamedParams(instance, 'foo', baz=None) self.mox.VerifyAll() self.mox.UnsetStubs() def testStubOutMethod_Unbound_NamedUsingPositional_SomePositional(self): """Check positional parameters can be matched to keyword arguments.""" self.mox.StubOutWithMock(mox_helper.ExampleClass, 'TestMethod') instance = mox_helper.ExampleClass() mox_helper.ExampleClass.TestMethod(instance, 'one', 'two', 'nine') self.mox.ReplayAll() mox_helper.ExampleClass.TestMethod(instance, 'one', 'two', 'nine') self.mox.VerifyAll() self.mox.UnsetStubs() def testStubOutMethod_Unbound_SpecialArgs(self): self.mox.StubOutWithMock(mox_helper.ExampleClass, 'SpecialArgs') instance = mox_helper.ExampleClass() mox_helper.ExampleClass.SpecialArgs(instance, 'foo', None, bar='bar') self.mox.ReplayAll() mox_helper.ExampleClass.SpecialArgs(instance, 'foo', None, bar='bar') self.mox.VerifyAll() self.mox.UnsetStubs() def testStubOutMethod_Bound_SimpleTest(self): t = self.mox.CreateMock(TestClass) t.MethodWithArgs(mox.IgnoreArg(), mox.IgnoreArg()).AndReturn('foo') self.mox.ReplayAll() actual = t.MethodWithArgs(None, None) self.mox.VerifyAll() self.mox.UnsetStubs() self.assertEqual('foo', actual) def testStubOutMethod_Bound_NamedUsingPositional(self): """Check positional parameters can be matched to keyword arguments.""" self.mox.StubOutWithMock(mox_helper.ExampleClass, 'NamedParams') instance = mox_helper.ExampleClass() instance.NamedParams('foo', baz=None) self.mox.ReplayAll() instance.NamedParams('foo', baz=None) self.mox.VerifyAll() self.mox.UnsetStubs() def testStubOutMethod_Bound_NamedUsingPositional_SomePositional(self): """Check positional parameters can be matched to keyword arguments.""" self.mox.StubOutWithMock(mox_helper.ExampleClass, 'TestMethod') instance = mox_helper.ExampleClass() instance.TestMethod(instance, 'one', 'two', 'nine') self.mox.ReplayAll() instance.TestMethod(instance, 'one', 'two', 'nine') self.mox.VerifyAll() self.mox.UnsetStubs() def testStubOutMethod_Bound_SpecialArgs(self): self.mox.StubOutWithMock(mox_helper.ExampleClass, 'SpecialArgs') instance = mox_helper.ExampleClass() instance.SpecialArgs(instance, 'foo', None, bar='bar') self.mox.ReplayAll() instance.SpecialArgs(instance, 'foo', None, bar='bar') self.mox.VerifyAll() self.mox.UnsetStubs() def testStubOutMethod_Func_PropgatesExceptions(self): """Errors in Func comparator should propagate to the calling method.""" class TestException(Exception): pass def raiseExceptionOnNotOne(value): if value == 1: return True else: raise TestException test_obj = TestClass() self.mox.StubOutWithMock(test_obj, 'MethodWithArgs') test_obj.MethodWithArgs( mox.IgnoreArg(), mox.Func(raiseExceptionOnNotOne)).AndReturn(1) test_obj.MethodWithArgs( mox.IgnoreArg(), mox.Func(raiseExceptionOnNotOne)).AndReturn(1) self.mox.ReplayAll() self.assertEqual(test_obj.MethodWithArgs('ignored', 1), 1) self.assertRaises(TestException, test_obj.MethodWithArgs, 'ignored', 2) self.mox.VerifyAll() self.mox.UnsetStubs() def testStubOut_SignatureMatching_init_(self): self.mox.StubOutWithMock(mox_helper.ExampleClass, '__init__') mox_helper.ExampleClass.__init__(mox.IgnoreArg()) self.mox.ReplayAll() # Create an instance of a child class, which calls the parent # __init__ mox_helper.ChildExampleClass() self.mox.VerifyAll() self.mox.UnsetStubs() # FIXME(dhellmann): Skip this test until someone can debug why it # fails on python 3.4. def testStubOutClass_OldStyle(self): """Test a mocked class whose __init__ returns a Mock.""" self.mox.StubOutWithMock(mox_helper, 'TestClassFromAnotherModule') self.assertTrue(isinstance(mox_helper.TestClassFromAnotherModule, mox.MockObject)) mock_instance = self.mox.CreateMock( mox_helper.TestClassFromAnotherModule) mox_helper.TestClassFromAnotherModule().AndReturn(mock_instance) mock_instance.Value().AndReturn('mock instance') self.mox.ReplayAll() a_mock = mox_helper.TestClassFromAnotherModule() actual = a_mock.Value() self.mox.VerifyAll() self.mox.UnsetStubs() self.assertEqual('mock instance', actual) def testStubOutClass(self): self.mox.StubOutClassWithMocks(mox_helper, 'CallableClass') # Instance one mock_one = mox_helper.CallableClass(1, 2) mock_one.Value().AndReturn('mock') # Instance two mock_two = mox_helper.CallableClass(8, 9) mock_two('one').AndReturn('called mock') self.mox.ReplayAll() one = mox_helper.CallableClass(1, 2) actual_one = one.Value() two = mox_helper.CallableClass(8, 9) actual_two = two('one') self.mox.VerifyAll() self.mox.UnsetStubs() # Verify the correct mocks were returned self.assertEqual(mock_one, one) self.assertEqual(mock_two, two) # Verify self.assertEqual('mock', actual_one) self.assertEqual('called mock', actual_two) def testStubOutClass_NotAClass(self): self.assertRaises(TypeError, self.mox.StubOutClassWithMocks, mox_helper, 'MyTestFunction') def testStubOutClassNotEnoughCreated(self): self.mox.StubOutClassWithMocks(mox_helper, 'CallableClass') mox_helper.CallableClass(1, 2) mox_helper.CallableClass(8, 9) self.mox.ReplayAll() mox_helper.CallableClass(1, 2) self.assertRaises(mox.ExpectedMockCreationError, self.mox.VerifyAll) self.mox.UnsetStubs() def testStubOutClassWrongSignature(self): self.mox.StubOutClassWithMocks(mox_helper, 'CallableClass') self.assertRaises(AttributeError, mox_helper.CallableClass) self.mox.UnsetStubs() def testStubOutClassWrongParameters(self): self.mox.StubOutClassWithMocks(mox_helper, 'CallableClass') mox_helper.CallableClass(1, 2) self.mox.ReplayAll() self.assertRaises(mox.UnexpectedMethodCallError, mox_helper.CallableClass, 8, 9) self.mox.UnsetStubs() def testStubOutClassTooManyCreated(self): self.mox.StubOutClassWithMocks(mox_helper, 'CallableClass') mox_helper.CallableClass(1, 2) self.mox.ReplayAll() mox_helper.CallableClass(1, 2) self.assertRaises(mox.UnexpectedMockCreationError, mox_helper.CallableClass, 8, 9) self.mox.UnsetStubs() def testWarnsUserIfMockingMock(self): """Test that user is warned if they try to stub out a MockAnything.""" self.mox.StubOutWithMock(TestClass, 'MyStaticMethod') self.assertRaises(TypeError, self.mox.StubOutWithMock, TestClass, 'MyStaticMethod') def testStubOutFirstClassMethodVerifiesSignature(self): self.mox.StubOutWithMock(mox_helper, 'MyTestFunction') # Wrong number of arguments self.assertRaises(AttributeError, mox_helper.MyTestFunction, 1) self.mox.UnsetStubs() def _testMethodSignatureVerification(self, stubClass): # If stubClass is true, the test is run against an a stubbed out class, # else the test is run against a stubbed out instance. if stubClass: self.mox.StubOutWithMock(mox_helper.ExampleClass, "TestMethod") obj = mox_helper.ExampleClass() else: obj = mox_helper.ExampleClass() self.mox.StubOutWithMock(mox_helper.ExampleClass, "TestMethod") self.assertRaises(AttributeError, obj.TestMethod) self.assertRaises(AttributeError, obj.TestMethod, 1) self.assertRaises(AttributeError, obj.TestMethod, nine=2) obj.TestMethod(1, 2) obj.TestMethod(1, 2, 3) obj.TestMethod(1, 2, nine=3) self.assertRaises(AttributeError, obj.TestMethod, 1, 2, 3, 4) self.mox.UnsetStubs() def testStubOutClassMethodVerifiesSignature(self): self._testMethodSignatureVerification(stubClass=True) def testStubOutObjectMethodVerifiesSignature(self): self._testMethodSignatureVerification(stubClass=False) def testStubOutObject(self): """Test than object is replaced with a Mock.""" class Foo(object): def __init__(self): self.obj = TestClass() foo = Foo() self.mox.StubOutWithMock(foo, "obj") self.assertTrue(isinstance(foo.obj, mox.MockObject)) foo.obj.ValidCall() self.mox.ReplayAll() foo.obj.ValidCall() self.mox.VerifyAll() self.mox.UnsetStubs() self.assertFalse(isinstance(foo.obj, mox.MockObject)) def testForgotReplayHelpfulMessage(self): """If there is an AttributeError on a MockMethod, give helpful msg.""" foo = self.mox.CreateMockAnything() bar = self.mox.CreateMockAnything() foo.GetBar().AndReturn(bar) bar.ShowMeTheMoney() # Forgot to replay! try: foo.GetBar().ShowMeTheMoney() except AttributeError as e: self.assertEqual( 'MockMethod has no attribute "ShowMeTheMoney". ' 'Did you remember to put your mocks in replay mode?', str(e)) class ReplayTest(testtools.TestCase): """Verify Replay works properly.""" def testReplay(self): """Replay should put objects into replay mode.""" mock_obj = mox.MockObject(TestClass) self.assertFalse(mock_obj._replay_mode) mox.Replay(mock_obj) self.assertTrue(mock_obj._replay_mode) class MoxTestBaseTest(testtools.TestCase): """Verify that all tests in class derived from MoxTestBase are wrapped.""" def setUp(self): super(MoxTestBaseTest, self).setUp() self.mox = mox.Mox() self.addCleanup(self.mox.UnsetStubs) self.test_mox = mox.Mox() self.addCleanup(self.test_mox.UnsetStubs) self.test_stubs = mox.stubout.StubOutForTesting() self.addCleanup(self.test_stubs.UnsetAll) self.addCleanup(self.test_stubs.SmartUnsetAll) self.result = testtools.TestResult() def _setUpTestClass(self): """Replacement for setUp in the test class instance. Assigns a mox.Mox instance as the mox attribute of the test instance. Replacement Mox instance is under our control before setUp is called in the test class instance. """ self.test.mox = self.test_mox self.test.stubs = self.test_stubs def _CreateTest(self, test_name): """Create a test from our example mox class. The created test instance is assigned to this instances test attribute. """ self.test = mox_helper.ExampleMoxTest(test_name) self.mox.stubs.Set(self.test, 'setUp', self._setUpTestClass) def _VerifySuccess(self): """Run the checks to confirm test method completed successfully.""" self.mox.StubOutWithMock(self.test_mox, 'UnsetStubs') self.mox.StubOutWithMock(self.test_mox, 'VerifyAll') self.mox.StubOutWithMock(self.test_stubs, 'UnsetAll') self.mox.StubOutWithMock(self.test_stubs, 'SmartUnsetAll') self.test_mox.UnsetStubs() self.test_mox.VerifyAll() self.test_stubs.UnsetAll() self.test_stubs.SmartUnsetAll() self.mox.ReplayAll() self.test.run(result=self.result) self.assertTrue(self.result.wasSuccessful()) self.mox.VerifyAll() self.mox.UnsetStubs() # Needed to call the real VerifyAll() below. self.test_mox.VerifyAll() def testSuccess(self): """Successful test method execution test.""" self._CreateTest('testSuccess') self._VerifySuccess() def testSuccessNoMocks(self): """testSuccess() unsets all the mocks. Vverify they've been unset.""" self._CreateTest('testSuccess') self.test.run(result=self.result) self.assertTrue(self.result.wasSuccessful()) self.assertEqual(OS_LISTDIR, mox_helper.os.listdir) def testStubs(self): """Test that "self.stubs" is provided as is useful.""" self._CreateTest('testHasStubs') self._VerifySuccess() def testStubsNoMocks(self): """Let testHasStubs() unset the stubs by itself.""" self._CreateTest('testHasStubs') self.test.run(result=self.result) self.assertTrue(self.result.wasSuccessful()) self.assertEqual(OS_LISTDIR, mox_helper.os.listdir) def testExpectedNotCalled(self): """Stubbed out method is not called.""" self._CreateTest('testExpectedNotCalled') self.mox.StubOutWithMock(self.test_mox, 'UnsetStubs') self.mox.StubOutWithMock(self.test_stubs, 'UnsetAll') self.mox.StubOutWithMock(self.test_stubs, 'SmartUnsetAll') # Don't stub out VerifyAll - that's what causes the test to fail self.test_mox.UnsetStubs() self.test_stubs.UnsetAll() self.test_stubs.SmartUnsetAll() self.mox.ReplayAll() self.test.run(result=self.result) self.assertFalse(self.result.wasSuccessful()) self.mox.VerifyAll() def testExpectedNotCalledNoMocks(self): """Let testExpectedNotCalled() unset all the mocks by itself.""" self._CreateTest('testExpectedNotCalled') self.test.run(result=self.result) self.assertFalse(self.result.wasSuccessful()) self.assertEqual(OS_LISTDIR, mox_helper.os.listdir) def testUnexpectedCall(self): """Stubbed out method is called with unexpected arguments.""" self._CreateTest('testUnexpectedCall') self.mox.StubOutWithMock(self.test_mox, 'UnsetStubs') self.mox.StubOutWithMock(self.test_stubs, 'UnsetAll') self.mox.StubOutWithMock(self.test_stubs, 'SmartUnsetAll') # Ensure no calls are made to VerifyAll() self.mox.StubOutWithMock(self.test_mox, 'VerifyAll') self.test_mox.UnsetStubs() self.test_stubs.UnsetAll() self.test_stubs.SmartUnsetAll() self.mox.ReplayAll() self.test.run(result=self.result) self.assertFalse(self.result.wasSuccessful()) self.mox.VerifyAll() def testFailure(self): """Failing assertion in test method.""" self._CreateTest('testFailure') self.mox.StubOutWithMock(self.test_mox, 'UnsetStubs') self.mox.StubOutWithMock(self.test_stubs, 'UnsetAll') self.mox.StubOutWithMock(self.test_stubs, 'SmartUnsetAll') # Ensure no calls are made to VerifyAll() self.mox.StubOutWithMock(self.test_mox, 'VerifyAll') self.test_mox.UnsetStubs() self.test_stubs.UnsetAll() self.test_stubs.SmartUnsetAll() self.mox.ReplayAll() self.test.run(result=self.result) self.assertFalse(self.result.wasSuccessful()) self.mox.VerifyAll() def testMixin(self): """Run test from mix-in test class, ensure it passes.""" self._CreateTest('testStat') self._VerifySuccess() def testMixinAgain(self): """Run same test as above but from the current test class. Ensures metaclass properly wrapped test methods from all base classes. If unsetting of stubs doesn't happen, this will fail. """ self._CreateTest('testStatOther') self._VerifySuccess() class VerifyTest(testtools.TestCase): """Verify Verify works properly.""" def testVerify(self): """Verify should be called for all objects. Should throw an exception because the expected behavior did not occur. """ mock_obj = mox.MockObject(TestClass) mock_obj.ValidCall() mock_obj._Replay() self.assertRaises(mox.ExpectedMethodCallsError, mox.Verify, mock_obj) class ResetTest(testtools.TestCase): """Verify Reset works properly.""" def testReset(self): """Should empty all queues and put mocks in record mode.""" mock_obj = mox.MockObject(TestClass) mock_obj.ValidCall() self.assertFalse(mock_obj._replay_mode) mock_obj._Replay() self.assertTrue(mock_obj._replay_mode) self.assertEqual(1, len(mock_obj._expected_calls_queue)) mox.Reset(mock_obj) self.assertFalse(mock_obj._replay_mode) self.assertEqual(0, len(mock_obj._expected_calls_queue)) class MyTestCase(testtools.TestCase): """Simulate the use of a fake wrapper around Python's unittest library.""" def setUp(self): super(MyTestCase, self).setUp() self.critical_variable = 42 self.another_critical_variable = 42 def testMethodOverride(self): """Should be properly overriden in a derived class.""" self.assertEqual(42, self.another_critical_variable) self.another_critical_variable += 1 class MoxTestBaseMultipleInheritanceTest(mox.MoxTestBase, MyTestCase): """Test that multiple inheritance can be used with MoxTestBase.""" def setUp(self): super(MoxTestBaseMultipleInheritanceTest, self).setUp() self.another_critical_variable = 99 def testMultipleInheritance(self): """Should be able to access members created by all parent setUp().""" self.assertTrue(isinstance(self.mox, mox.Mox)) self.assertEqual(42, self.critical_variable) def testMethodOverride(self): """Should run before MyTestCase.testMethodOverride.""" self.assertEqual(99, self.another_critical_variable) self.another_critical_variable = 42 super(MoxTestBaseMultipleInheritanceTest, self).testMethodOverride() self.assertEqual(43, self.another_critical_variable) class MoxTestDontMockProperties(MoxTestBaseTest): def testPropertiesArentMocked(self): mock_class = self.mox.CreateMock(ClassWithProperties) self.assertRaises(mox.UnknownMethodCallError, lambda: mock_class.prop_attr) class TestClass(object): """This class is used only for testing the mock framework.""" SOME_CLASS_VAR = "test_value" _PROTECTED_CLASS_VAR = "protected value" def __init__(self, ivar=None): self.__ivar = ivar def __eq__(self, rhs): return self.__ivar == rhs def __ne__(self, rhs): return not self.__eq__(rhs) def ValidCall(self): pass def MethodWithArgs(self, one, two, nine=None): pass def OtherValidCall(self): pass def OptionalArgs(self, foo='boom'): pass def ValidCallWithArgs(self, *args, **kwargs): pass @classmethod def MyClassMethod(cls): pass @staticmethod def MyStaticMethod(): pass def _ProtectedCall(self): pass def __PrivateCall(self): pass def __DoNotMock(self): pass def __getitem__(self, key): """Return the value for key.""" return self.d[key] def __setitem__(self, key, value): """Set the value for key to value.""" self.d[key] = value def __contains__(self, key): """Returns True if d contains the key.""" return key in self.d def __iter__(self): pass class ChildClass(TestClass): """This inherits from TestClass.""" def __init__(self): TestClass.__init__(self) def ChildValidCall(self): pass class CallableClass(object): """This class is callable, and that should be mockable!""" def __init__(self): pass def __call__(self, param): return param class ClassWithProperties(object): def setter_attr(self, value): pass def getter_attr(self): pass prop_attr = property(getter_attr, setter_attr) class SubscribtableNonIterableClass(object): def __getitem__(self, index): raise IndexError class InheritsFromCallable(CallableClass): """This class should be mockable; it inherits from a callable class.""" pass if __name__ == '__main__': testtools.main() mox3-0.24.0/mox3/tests/test_stubout.py000066400000000000000000000027611321055646700176500ustar00rootroot00000000000000# Unit tests for stubout. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # # This is a fork of the pymox library intended to work with Python 3. # The file was modified by quermit@gmail.com and dawid.fatyga@gmail.com import fixtures import testtools from mox3 import mox from mox3 import stubout from mox3.tests import stubout_helper class StubOutForTestingTest(testtools.TestCase): def setUp(self): super(StubOutForTestingTest, self).setUp() self.mox = mox.Mox() self.useFixture(fixtures.MonkeyPatch( 'mox3.tests.stubout_helper.SampleFunction', stubout_helper.SampleFunction)) def testSmartSetOnModule(self): mock_function = self.mox.CreateMockAnything() mock_function() stubber = stubout.StubOutForTesting() stubber.SmartSet(stubout_helper, 'SampleFunction', mock_function) self.mox.ReplayAll() stubout_helper.SampleFunction() self.mox.VerifyAll() if __name__ == '__main__': testtools.main() mox3-0.24.0/requirements.txt000066400000000000000000000004241321055646700157600ustar00rootroot00000000000000# The order of packages is significant, because pip processes them in the order # of appearance. Changing the order has an impact on the overall integration # process, which may cause wedges in the gate later. pbr!=2.1.0,>=2.0.0 # Apache-2.0 fixtures>=3.0.0 # Apache-2.0/BSD mox3-0.24.0/setup.cfg000066400000000000000000000015531321055646700143210ustar00rootroot00000000000000[metadata] name = mox3 summary = Mock object framework for Python description-file = README.rst author = OpenStack author-email = openstack-dev@lists.openstack.org home-page = https://docs.openstack.org/mox3/latest/ classifiers = Environment :: OpenStack Programming Language :: Python License :: OSI Approved :: Apache Software License Programming Language :: Python :: 2.7 Programming Language :: Python :: 3 Programming Language :: Python :: 3.5 Operating System :: OS Independent Development Status :: 4 - Beta Intended Audience :: Developers Topic :: Software Development :: Testing [files] packages = mox3 [wheel] universal = 1 [global] setup-hooks = pbr.hooks.setup_hook [build_sphinx] source-dir = doc/source build-dir = doc/build all_files = 1 warning-is-error = 1 [upload_sphinx] upload-dir = doc/build/html mox3-0.24.0/setup.py000066400000000000000000000020061321055646700142040ustar00rootroot00000000000000# Copyright (c) 2013 Hewlett-Packard Development Company, L.P. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or # implied. # See the License for the specific language governing permissions and # limitations under the License. # THIS FILE IS MANAGED BY THE GLOBAL REQUIREMENTS REPO - DO NOT EDIT import setuptools # In python < 2.7.4, a lazy loading of package `pbr` will break # setuptools if some other modules registered functions in `atexit`. # solution from: http://bugs.python.org/issue15881#msg170215 try: import multiprocessing # noqa except ImportError: pass setuptools.setup( setup_requires=['pbr>=2.0.0'], pbr=True) mox3-0.24.0/test-requirements.txt000066400000000000000000000012311321055646700167320ustar00rootroot00000000000000# The order of packages is significant, because pip processes them in the order # of appearance. Changing the order has an impact on the overall integration # process, which may cause wedges in the gate later. # this file lists dependencies required for the testing of heat # Install bounded pep8/pyflakes first, then let flake8 install pep8==1.5.7 # MIT pyflakes==0.8.1 # MIT flake8<2.6.0,>=2.5.4 # MIT coverage!=4.4,>=4.0 # Apache-2.0 python-subunit>=1.0.0 # Apache-2.0/BSD testrepository>=0.0.18 # Apache-2.0/BSD testtools>=2.2.0 # MIT six>=1.10.0 # MIT # this is required for the docs build jobs sphinx>=1.6.2 # BSD openstackdocstheme>=1.17.0 # Apache-2.0 mox3-0.24.0/tox.ini000066400000000000000000000012341321055646700140070ustar00rootroot00000000000000[tox] minversion = 2.0 envlist = py35,py27,pep8 [testenv] install_command = pip install {opts} {packages} deps = -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt} -r{toxinidir}/requirements.txt -r{toxinidir}/test-requirements.txt commands = python setup.py testr --slowest --testr-args='{posargs}' [testenv:docs] commands = python setup.py build_sphinx [testenv:pep8] commands = flake8 [testenv:venv] commands = {posargs} [testenv:cover] commands = python setup.py testr --coverage [flake8] show-source = true exclude=.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg