manuel-1.10.1/0000755000175000017500000000000013373300442012032 5ustar jamesjamesmanuel-1.10.1/.circleci/0000755000175000017500000000000013373300442013665 5ustar jamesjamesmanuel-1.10.1/.circleci/config.yml0000644000175000017500000000053313373300442015656 0ustar jamesjames# Python CircleCI 2.0 configuration file # # Check https://circleci.com/docs/2.0/language-python/ for more details # version: 2 jobs: build: working_directory: ~/repo docker: - image: circleci/python:3.6.4 steps: - checkout - run: name: Run Tests command: | python setup.py test manuel-1.10.1/CHANGES.rst0000644000175000017500000001171213373300442013636 0ustar jamesjamesCHANGES ======= 1.10.1 (2018-11-15) ------------------- - Add support for PyPy3. 1.10.0 (2018-11-14) ------------------- - Fix DeprecationWarning about 'U' mode under Python 3. - Drop Python 2.7 and 3.3 support. Add testing and support for Python 3.6 and 3.7. 1.9.0 (2017-11-20) ------------------ - You can now use Manuel with the `nose `_ and `pytest `_ test runners by defining Manuel tests inside `unittest.TestCase` classes. - Added support for Python 3.5 and Python 3.6. - Dropped support for Python 2.6 1.8.0 (2014-07-15) ------------------ - Fixed ResourceWarnings under Python 3. - Added support for PyPy and Python 3.4. - Drop official support for Python 3.1 and 3.2. - Fix odd ImportError problems when used with tox and coverage. - Fix parsing of reST codeblock options with hyphens. 1.7.2 (2013-03-16) ------------------ - Fixed release issues. - Updated copyright and license to reflect recent Zope Foundation release of claim on the project. 1.7.1 (2013-02-13) ------------------ - Fix brown-bag release. 1.7.0 (2013-02-13) ------------------ - Added support for docutils-style code blocks and options there-of. 1.6.1 (2013-01-24) ------------------ - Fixed a bug that made doctests fail if sys.argv contained the string "-v". 1.6.0 (2012-04-16) ------------------ - Ported to Python 3, still works in 2.6 and up. 1.5.0 (2011-03-08) ------------------ - Removed the dependency on zope.testrunner - Added the ability to run the tests using "setup.py test". 1.4.1 (2011-01-25) ------------------ - Fixed a bug that caused extra example evaluation if multiple doctest manuels were used at once (e.g. to execute Python and shell code in the same document). 1.4.0 (2011-01-11) ------------------ - Added a ``parser`` keyword argument to manuel.doctest.Manuel to allow a custom doctest parser to be passed in. This allows easily adding support for other languages or other (but similar) example syntaxes. 1.3.0 (2010-09-02) ------------------ - Respect test runner reporting switches (e.g., zope.testrunner's --ndiff switch) - Fixed a bug that caused post-mortem debugging to not work most of the time. - Made manuel.testing.TestCase.id return a sensible textual value at all times. This keeps Twisted's trial testrunner happy. 1.2.0 (2010-06-10) ------------------ - Conform to repository policy. - Switch to using zope.testrunner instead of zope.testing due to API changes. zope.testing is now only required for testing. 1.1.1 (2010-05-20) ------------------ - fix the way globs are handled; fixes https://bugs.launchpad.net/manuel/+bug/582482 1.1.0 (2010-05-18) ------------------ - fix a SyntaxError when running the tests under Python 2.5 - improved error message for improperly indented capture directive - Manuel no longer uses the now depricated zope.testing.doctest (requires zope.testing 3.9.1 or newer) 1.0.5 (2010-01-29) ------------------ - fix a bug that caused Manuel to choke on empty documents (patch submitted by Bjorn Tillenius) - add a pointer to Manuel's Subversion repo on the PyPI page - add an optional parameter that allows a custom TestCase class to be passed to TestSuite() (patch submitted by Bjorn Tillenius) 1.0.4 (2010-01-06) ------------------ - use newer setuptools (one compatible with Subversion 1.6) so built distributions include all files 1.0.3 (2010-01-06) ------------------ - fix a small doc thinko - fix the code-block handler to allow :linenos: - open files in universal newlines mode 1.0.2 (2009-12-07) ------------------ - fix a bug that caused instances of zope.testing.doctest.Example (and instances of subclasses of the same) to be silently ignored. 1.0.1 (2009-08-31) ------------------ - fix line number reporting for test failures 1.0.0 (2009-08-09) ------------------ - Python 2.4 compatability fix 1.0.0b2 (2009-07-10) -------------------- - add the ability to identify and run subsets of documents (using the -t switch of zope.testing's testrunner for example) 1.0.0b1 (2009-06-24) -------------------- - major docs improvements - added several new plug-ins 1.0.0a8 (2009-05-01) -------------------- - add a larger example of using Manuel (table-example.txt) - make the test suite factory function try harder to find the calling module - fix a bug in the order regions are evaluated - add a Manuel object that can evaluate Python code in ".. code-block:: python" regions of a reST document 1.0.0a4 (2009-05-01) -------------------- - make the global state ("globs") shared between all evaluators, not just doctest 1.0.0a3 (2009-05-01) -------------------- - make zope.testing's testrunner recognized the enhanced, doctest-style errors generated by Manuel - rework the evaluaters to work region-by-region instead of on the entire document - switch to using regular Python classes for Manuel objects instead of previous prototype-y style 1.0.0a2 (2008-10-17) -------------------- - first release manuel-1.10.1/MANIFEST.in0000644000175000017500000000035513373300442013573 0ustar jamesjamesrecursive-include src *.ex recursive-include src *.txt recursive-include docs * recursive-include sphinx *.py include *.rst include tox.ini include bootstrap.py include buildout.cfg include *.yaml include .coveragerc include .circleci/* manuel-1.10.1/README.rst0000644000175000017500000000126513373300442013525 0ustar jamesjames.. image:: https://travis-ci.org/benji-york/manuel.png?branch=master :target: https://travis-ci.org/benji-york/manuel .. image:: https://coveralls.io/repos/github/benji-york/manuel/badge.svg?branch=master :target: https://coveralls.io/github/benji-york/manuel?branch=master .. image:: https://img.shields.io/pypi/v/manuel.svg :target: https://pypi.python.org/pypi/manuel .. image:: https://img.shields.io/pypi/pyversions/manuel.svg :target: https://pypi.python.org/pypi/manuel/ Documentation, a full list of included plug-ins, and examples are available at ``_. Source code and issues are managed at https://github.com/benji-york/manuel. manuel-1.10.1/bootstrap.py0000644000175000017500000001401613373300442014423 0ustar jamesjames############################################################################## # # Copyright (c) 2006 Zope Foundation and Contributors. # All Rights Reserved. # # This software is subject to the provisions of the Zope Public License, # Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution. # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS # FOR A PARTICULAR PURPOSE. # ############################################################################## """Bootstrap a buildout-based project Simply run this script in a directory containing a buildout.cfg. The script accepts buildout command-line options, so you can use the -c option to specify an alternate configuration file. """ import os import shutil import sys import tempfile from optparse import OptionParser tmpeggs = tempfile.mkdtemp() usage = '''\ [DESIRED PYTHON FOR BUILDOUT] bootstrap.py [options] Bootstraps a buildout-based project. Simply run this script in a directory containing a buildout.cfg, using the Python that you want bin/buildout to use. Note that by using --find-links to point to local resources, you can keep this script from going over the network. ''' parser = OptionParser(usage=usage) parser.add_option("-v", "--version", help="use a specific zc.buildout version") parser.add_option("-t", "--accept-buildout-test-releases", dest='accept_buildout_test_releases', action="store_true", default=False, help=("Normally, if you do not specify a --version, the " "bootstrap script and buildout gets the newest " "*final* versions of zc.buildout and its recipes and " "extensions for you. If you use this flag, " "bootstrap and buildout will get the newest releases " "even if they are alphas or betas.")) parser.add_option("-c", "--config-file", help=("Specify the path to the buildout configuration " "file to be used.")) parser.add_option("-f", "--find-links", help=("Specify a URL to search for buildout releases")) parser.add_option("--allow-site-packages", action="store_true", default=False, help=("Let bootstrap.py use existing site packages")) options, args = parser.parse_args() ###################################################################### # load/install setuptools try: if options.allow_site_packages: import setuptools import pkg_resources from urllib.request import urlopen except ImportError: from urllib2 import urlopen ez = {} exec(urlopen('https://bootstrap.pypa.io/ez_setup.py').read(), ez) if not options.allow_site_packages: # ez_setup imports site, which adds site packages # this will remove them from the path to ensure that incompatible versions # of setuptools are not in the path import site # inside a virtualenv, there is no 'getsitepackages'. # We can't remove these reliably if hasattr(site, 'getsitepackages'): for sitepackage_path in site.getsitepackages(): sys.path[:] = [x for x in sys.path if sitepackage_path not in x] setup_args = dict(to_dir=tmpeggs, download_delay=0) ez['use_setuptools'](**setup_args) import setuptools import pkg_resources # This does not (always?) update the default working set. We will # do it. for path in sys.path: if path not in pkg_resources.working_set.entries: pkg_resources.working_set.add_entry(path) ###################################################################### # Install buildout ws = pkg_resources.working_set cmd = [sys.executable, '-c', 'from setuptools.command.easy_install import main; main()', '-mZqNxd', tmpeggs] find_links = os.environ.get( 'bootstrap-testing-find-links', options.find_links or ('http://downloads.buildout.org/' if options.accept_buildout_test_releases else None) ) if find_links: cmd.extend(['-f', find_links]) setuptools_path = ws.find( pkg_resources.Requirement.parse('setuptools')).location requirement = 'zc.buildout' version = options.version if version is None and not options.accept_buildout_test_releases: # Figure out the most recent final version of zc.buildout. import setuptools.package_index _final_parts = '*final-', '*final' def _final_version(parsed_version): for part in parsed_version: if (part[:1] == '*') and (part not in _final_parts): return False return True index = setuptools.package_index.PackageIndex( search_path=[setuptools_path]) if find_links: index.add_find_links((find_links,)) req = pkg_resources.Requirement.parse(requirement) if index.obtain(req) is not None: best = [] bestv = None for dist in index[req.project_name]: distv = dist.parsed_version if _final_version(distv): if bestv is None or distv > bestv: best = [dist] bestv = distv elif distv == bestv: best.append(dist) if best: best.sort() version = best[-1].version if version: requirement = '=='.join((requirement, version)) cmd.append(requirement) import subprocess if subprocess.call(cmd, env=dict(os.environ, PYTHONPATH=setuptools_path)) != 0: raise Exception( "Failed to execute command:\n%s" % repr(cmd)[1:-1]) ###################################################################### # Import and run buildout ws.add_entry(tmpeggs) ws.require(requirement) import zc.buildout.buildout if not [a for a in args if '=' not in a]: args.append('bootstrap') # if -c was provided, we push it back into args for buildout' main function if options.config_file is not None: args[0:0] = ['-c', options.config_file] zc.buildout.buildout.main(args) shutil.rmtree(tmpeggs) manuel-1.10.1/src/0000755000175000017500000000000013373300442012621 5ustar jamesjamesmanuel-1.10.1/src/manuel/0000755000175000017500000000000013373300442014102 5ustar jamesjamesmanuel-1.10.1/src/manuel/footnote.py0000644000175000017500000000475313373300442016322 0ustar jamesjamesimport re import manuel FOOTNOTE_REFERENCE_LINE_RE = re.compile(r'^.*\[([^\]]+)]_.*$', re.MULTILINE) FOOTNOTE_REFERENCE_RE = re.compile(r'\[([^\]]+)]_') FOOTNOTE_DEFINITION_RE = re.compile( r'^\.\.\s*\[\s*([^\]]+)\s*\].*$', re.MULTILINE) END_OF_FOOTNOTE_RE = re.compile(r'^\S.*$', re.MULTILINE) class FootnoteReference(object): def __init__(self, names): self.names = names class FootnoteDefinition(object): def __init__(self, name): self.name = name @manuel.timing(manuel.EARLY) def find_footnote_references(document): # find the markers that show where footnotes have been defined. footnote_names = [] for region in document.find_regions(FOOTNOTE_DEFINITION_RE): name = region.start_match.group(1) document.claim_region(region) region.parsed = FootnoteDefinition(name) footnote_names.append(name) # find the markers that show where footnotes have been referenced. for region in document.find_regions(FOOTNOTE_REFERENCE_LINE_RE): assert region.source.count('\n') == 1 names = FOOTNOTE_REFERENCE_RE.findall(region.source) for name in names: if name not in footnote_names: raise RuntimeError('Unknown footnote: %r' % name) assert names document.claim_region(region) region.parsed = FootnoteReference(names) @manuel.timing(manuel.LATE) def do_footnotes(document): """Copy footnoted items into their appropriate position. """ # first find all the regions that are in footnotes footnotes = {} name = None for region in list(document): if isinstance(region.parsed, FootnoteDefinition): name = region.parsed.name footnotes[name] = [] document.remove_region(region) continue if END_OF_FOOTNOTE_RE.search(region.source): name = None if name is not None: footnotes[name].append(region) document.remove_region(region) # now make copies of the footnotes in the right places for region in list(document): if not isinstance(region.parsed, FootnoteReference): continue names = region.parsed.names for name in names: for footnoted in footnotes[name]: document.insert_region_before(region, footnoted.copy()) document.remove_region(region) class Manuel(manuel.Manuel): def __init__(self): manuel.Manuel.__init__(self, [find_footnote_references, do_footnotes]) manuel-1.10.1/src/manuel/table-example.txt0000644000175000017500000002272113373300442017367 0ustar jamesjames.. _fit-table-example: FIT Table Example ================= Here is an example of writing a relatively complex Manuel plug-in. Occasionally when writing a doctest, you want a better way to express a test than doctest by itself provides. For example, you may want to succinctly express the result of an expression for several sets of inputs and outputs. That's something `FIT `_ tables do a good job of. We can use Manuel to write a parser that can read the tables, an evaluator that can check to see if the assertions made in the tables match reality, and a formatter to display the results if they don't. We'll use `reST `_ tables as the table format. The table source will look like this:: ===== ===== ====== \ A or B -------------------- A B Result ===== ===== ====== False False False True False True False True True True True True ===== ===== ====== .. -> example_table_1 When rendered to HTML, it will look like this: ===== ===== ====== \ A or B -------------------- A B Result ===== ===== ====== False False False True False True False True True True True True ===== ===== ====== .. -> example_table_2 >>> example_table_1 == example_table_2 True Documents --------- Here is an example of a source document we want our plug-in to be able to understand:: The "or" operator ================= Here is an example of the "or" operator in action: ===== ===== ====== \ A or B -------------------- A B Result ===== ===== ====== False False False True False True False True True True True True ===== ===== ====== .. -> source Manuel plug-ins operate on instances of :class:`manuel.Document`. .. code-block:: python import manuel document = manuel.Document(source, location='fake.txt') Parsing ------- We need an object to represent the tables. .. code-block:: python class Table(object): def __init__(self, expression, variables, examples): self.expression = expression self.variables = variables self.examples = examples We'll also need a function to find the tables in the document, extract the pertinent details, and instantiate Table objects. .. code-block:: python import re import six table_start = re.compile(r'(?<=\n\n)=[= ]+\n(?=[ \t]*?\S)', re.DOTALL) table_end = re.compile(r'\n=[= ]+\n(?=\Z|\n)', re.DOTALL) def parse_tables(document): for region in document.find_regions(table_start, table_end): lines = enumerate(iter(region.source.splitlines())) six.advance_iterator(lines) # skip the first line # grab the expression to be evaluated expression = six.advance_iterator(lines)[1] if expression.startswith('\\'): expression = expression[1:] six.advance_iterator(lines) # skip the divider line variables = [v.strip() for v in six.advance_iterator(lines)[1].split()][:-1] six.advance_iterator(lines) # skip the divider line examples = [] for lineno_offset, line in lines: if line.startswith('='): break # we ran into the final divider, so stop values = [eval(v.strip(), {}) for v in line.split()] inputs = values[:-1] output = values[-1] examples.append((inputs, output, lineno_offset)) table = Table(expression, variables, examples) document.claim_region(region) region.parsed = table If we parse the Document we can see that the table was recognized. >>> parse_tables(document) >>> region = list(document)[1] >>> import six >>> six.print_(region.source, end='') ===== ===== ====== \ A or B -------------------- A B Result ===== ===== ====== False False False True False True False True True True True True ===== ===== ====== >>> region.parsed Evaluating ---------- Now that we can find and extract the tables from the source, we need to be able to check them for correctness. The parse phase decomposed the :class:`Document` into several :class:`Region` instances. During the evaluation phase each evaluater is called once for each region. The evaluate_table function iterates over each set of inputs given in a single table, evaluate the inputs with the expression and compare the result with what was expected. Each discrepancy will be stored as a :class:`TableError` in a :class:`TableErrors` object. .. code-block:: python class TableErrors(list): pass class TableError(object): def __init__(self, location, lineno, expected, got): self.location = location self.lineno = lineno self.expected = expected self.got = got def __str__(self): return '<%s %s:%s>' % ( self.__class__.__name__, self.location, self.lineno) def evaluate_table(region, document, globs): if not isinstance(region.parsed, Table): return table = region.parsed errors = TableErrors() for inputs, output, lineno_offset in table.examples: result = eval(table.expression, dict(zip(table.variables, inputs))) if result != output: lineno = region.lineno + lineno_offset errors.append( TableError(document.location, lineno, output, result)) region.evaluated = errors Now we can use the function to evaluate our table. >>> evaluate_table(region, document, {}) Yay! There were no errors: >>> region.evaluated [] What would happen if there were errors? :: The "or" operator ================= Here is an (erroneous) example of the "or" operator in action: ===== ===== ====== \ A or B -------------------- A B Result ===== ===== ====== False False True True False True False True False True True True ===== ===== ====== .. -> source_with_errors >>> document = manuel.Document(source_with_errors, location='fake.txt') >>> parse_tables(document) >>> region = list(document)[1] >>> evaluate_table(region, document, {}) ...the result of evaluaton would include them: >>> region.evaluated [] Formatting Errors ----------------- Now that we can parse the tables and evaluate them, we need to be able to display the results in a readable fashion. .. code-block:: python def format_table_errors(document): for region in document: if not isinstance(region.evaluated, TableErrors): continue # if there were no errors, there is nothing to report if not region.evaluated: continue messages = [] for error in region.evaluated: messages.append('%s, line %d: expected %r, got %r instead.' % ( error.location, error.lineno, error.expected, error.got)) sep = '\n ' header = 'when evaluating table at %s, line %d' % ( document.location, region.lineno) region.formatted = header + sep + sep.join(messages) We can see how the results are formatted. >>> format_table_errors(document) >>> six.print_(region.formatted, end='') when evaluating table at fake.txt, line 6 fake.txt, line 11: expected True, got False instead. fake.txt, line 13: expected False, got True instead. All Together Now ---------------- All the pieces (parsing, evaluating, and formatting) are available now, so we just have to put them together into a single "Manuel" object. .. code-block:: python class Manuel(manuel.Manuel): def __init__(self): manuel.Manuel.__init__(self, [parse_tables], [evaluate_table], [format_table_errors]) Now we can create a fresh document and tell it to do all the above steps (parse, evaluate, format) using an instance of our plug-in. >>> m = Manuel() >>> document = manuel.Document(source_with_errors, location='fake.txt') >>> document.process_with(m, globs={}) >>> six.print_(document.formatted(), end='') when evaluating table at fake.txt, line 6 fake.txt, line 11: expected True, got False instead. fake.txt, line 13: expected False, got True instead. Of course, if there were no errors, nothing would be reported: >>> document = manuel.Document(source, location='fake.txt') >>> document.process_with(m, globs={}) >>> six.print_(document.formatted()) If we wanted to use instances of our Manuel object in a test, we would follow the directions in :ref:`getting-started`, importing Manuel from the module where we placed the code, just like any other Manuel plug-in. .. this next bit is actually a reST comment, but it is run during tests anyway (note the single colon instead of double colon) .. invisible-code-block: python import unittest suite = manuel.testing.TestSuite(m, 'table-example.txt') .. run this file through the Manuel instance constructed above to ensure it actually works when given a real file to process >>> suite.run(unittest.TestResult()) manuel-1.10.1/src/manuel/testing.py0000644000175000017500000001637213373300442016142 0ustar jamesjamesfrom __future__ import absolute_import import doctest as real_doctest import functools import inspect import itertools import manuel import io import os.path import re import sys import types import unittest __all__ = ['TestSuite', 'TestFactory'] class TestCaseMarker(object): def __init__(self, id=''): self.id = id class TestCase(unittest.TestCase): def __init__(self, m, regions, globs, setUp=None, tearDown=None): unittest.TestCase.__init__(self) self.manuel = m self.regions = regions self.globs = globs self.setUp_func = setUp self.tearDown_func = tearDown def setUp(self): if self.setUp_func is not None: self.setUp_func(self) def tearDown(self): if self.tearDown_func is not None: self.tearDown_func(self) def runTest(self): self.regions.evaluate_with(self.manuel, self.globs) self.regions.format_with(self.manuel) results = [r.formatted for r in self.regions if r.formatted] if results: DIVIDER = '-'*70 + '\n' raise real_doctest.DocTestCase.failureException( '\n' + DIVIDER + DIVIDER.join(results)) def debug(self): self.setUp() self.manuel.debug = True self.regions.evaluate_with(self.manuel, self.globs) self.tearDown() def countTestCases(self): return len([r for r in self.regions if r.parsed]) def shortDescription(self): if self.regions.id: return self.regions.location + ':' + self.regions.id else: return self.regions.location __str__ = __repr__ = id = shortDescription def group_regions_by_test_case(document): """Generate groups of regions according to which testcase they belong""" document_iter = iter(document) marker = None while True: accumulated_regions = manuel.RegionContainer() while True: region = None # being defensive try: region = next(document_iter) except StopIteration: if not accumulated_regions: break else: accumulated_regions.append(region) if not isinstance(region.parsed, TestCaseMarker): continue # we just found a test case marker or hit the end of the # document # figure out what this test case's ID is accumulated_regions.location = document.location if marker is not None and marker.parsed.id: accumulated_regions.id = marker.parsed.id yield accumulated_regions marker = region break # if there are no more regions, stop try: region = next(document_iter) except StopIteration: break # put the region we peeked at back so the inner loop can consume it document_iter = itertools.chain([region], document_iter) # copied from zope.testing.doctest def _module_relative_path(module, path): if not inspect.ismodule(module): raise TypeError('Expected a module: %r' % module) if path.startswith('/'): raise ValueError('Module-relative files may not have absolute paths') # Find the base directory for the path. if hasattr(module, '__file__'): # A normal module/package basedir = os.path.split(module.__file__)[0] elif module.__name__ == '__main__': # An interactive session. if len(sys.argv)>0 and sys.argv[0] != '': basedir = os.path.split(sys.argv[0])[0] else: basedir = os.curdir else: # A module w/o __file__ (this includes builtins) raise ValueError("Can't resolve paths relative to the module " + module + " (it has no __file__)") # Combine the base directory and the path. return os.path.join(basedir, *(path.split('/'))) def TestSuite(m, *paths, **kws): """A unittest suite that processes files with Manuel The path to each document file is given as a string. A number of options may be provided as keyword arguments: `setUp` A set-up function. This is called before running the tests in each file. The setUp function will be passed a TestCase object. The setUp function can access the test globals as the `globs` attribute of the instance passed. `tearDown` A tear-down function. This is called after running the tests in each file. The tearDown function will be passed a Manuel object. The tearDown function can access the test globals as the `globs` attribute of the instance passed. `globs` A dictionary containing initial global variables for the tests. `TestCase` The TestCase class to be used instead of manuel.testing.TestCase. """ suite = unittest.TestSuite() globs = kws.pop('globs', {}) TestCase_class = kws.pop('TestCase', TestCase) # walk up the stack frame to find the module that called this function for depth in range(1, 5): try: calling_module = \ sys.modules[sys._getframe(depth).f_globals['__name__']] except KeyError: continue else: break for path in paths: if os.path.isabs(path): abs_path = os.path.normpath(path) else: abs_path = \ os.path.abspath(_module_relative_path(calling_module, path)) with io.open(abs_path, 'rt', newline=None) as fp: contents = fp.read() if not isinstance(contents, str): # Python 2, we read unicode, but we really need a str contents = str.encode("utf-8") document = manuel.Document( contents, location=abs_path) document.parse_with(m) for regions in group_regions_by_test_case(document): suite.addTest(TestCase_class(m, regions, globs, **kws)) return suite _not_word = re.compile(r'\W') class TestFactory: def __init__(self, m): self.m = m def __call__(self, path): base = os.path.dirname(os.path.abspath( sys._getframe(2).f_globals['__file__'] )) path = os.path.join(base, path) with open(path) as f: test = f.read() m = self.m def test_file(self, setup=lambda i: None): if isinstance(self, types.FunctionType): # We're being used as a decorator. `self` is a setup method. f = functools.wraps(self)(lambda inst: test_file(inst, self)) f.filepath = path f.filename = os.path.basename(path) return f setup(self) globs = dict(getattr(self, 'globs', ())) globs['test'] = self document = manuel.Document(test, location=path) document.parse_with(m) [regions] = group_regions_by_test_case(document) TestCase(m, regions, globs).runTest() test_file.filepath = path test_file.filename = filename = os.path.basename(path) name = _not_word.sub('_', os.path.splitext(filename)[0]) if not name.startswith('test'): name = 'test_' + name test_file.__name__ = name return test_file manuel-1.10.1/src/manuel/doc1.ex0000644000175000017500000000001513373300442015262 0ustar jamesjames>>> test.a 1 manuel-1.10.1/src/manuel/capture.py0000644000175000017500000000607513373300442016127 0ustar jamesjamesimport manuel import re import string import textwrap CAPTURE_DIRECTIVE = re.compile( r'^(?P(\t| )*)\.\.\s*->\s*(?P\S+).*$', re.MULTILINE) class Capture(object): def __init__(self, name, block): self.name = name self.block = block def normalize_whitespace(s): return s.replace('\t', ' '*8) # turn tabs into spaces @manuel.timing(manuel.EARLY) def find_captures(document): while True: regions = document.find_regions(CAPTURE_DIRECTIVE) if not regions: break region = regions[-1] # note that start and end have different bases, "start" is the offset # from the begining of the region, "end" is a document line number end = region.lineno - 2 indent = region.start_match.group('indent') indent = normalize_whitespace(indent) def indent_matches(line): """Is the indentation of a line match what we're looking for?""" line = normalize_whitespace(line) if not line.strip(): # the line consists entirely of whitespace (or nothing at all), # so is not considered to be of the appropriate indentation return False if line.startswith(indent): if line[len(indent)] not in string.whitespace: return True # if none of the above found the indentation to be a match, it is # not a match return False # now that we've extracted the information we need, lets slice up the # document's regions to match for candidate in document: if candidate.lineno >= region.lineno: break found_region = candidate lines = found_region.source.splitlines() if found_region.lineno + len(lines) < end: raise RuntimeError('both start and end lines must be in the ' 'same region') start = None for offset, line in reversed(list(enumerate(lines))): if offset > end - found_region.lineno: continue if indent_matches(line): break start = offset + 1 if start is None: raise RuntimeError("couldn't find the start of the block; " "improper indentation of capture directive?") _, temp_region = document.split_region(found_region, found_region.lineno+start) # there are some extra lines in the new region, trim them off final_region, _ = document.split_region(temp_region, end+1) document.remove_region(final_region) name = region.start_match.group('name') block = textwrap.dedent(final_region.source) document.claim_region(region) region.parsed = Capture(name, block) def store_capture(region, document, globs): if not isinstance(region.parsed, Capture): return globs[region.parsed.name] = region.parsed.block class Manuel(manuel.Manuel): def __init__(self): manuel.Manuel.__init__(self, [find_captures], [store_capture]) manuel-1.10.1/src/manuel/tests.py0000644000175000017500000000442213373300442015620 0ustar jamesjamesfrom __future__ import absolute_import import doctest import manuel import manuel.capture import manuel.codeblock import manuel.doctest import manuel.ignore import manuel.testcase import manuel.testing import os.path import re import unittest import zope.testing.renormalizing here = os.path.dirname(os.path.abspath(__file__)) checker = zope.testing.renormalizing.RENormalizing([ (re.compile(r">> document = manuel.Document('''This is my doctest. ... ... >>> 2 + 2 ... 5 ... ''') >>> document.process_with(manuel.doctest.Manuel(), globs={}) >>> print(document.formatted()) File "", line 3, in Failed example: 2 + 2 Expected: 5 Got: 4 """ def test_suite(): tests = ['index.txt', 'table-example.txt', 'README.txt', 'bugs.txt', 'capture.txt'] optionflags = doctest.NORMALIZE_WHITESPACE | doctest.ELLIPSIS m = manuel.ignore.Manuel() m += manuel.doctest.Manuel(optionflags=optionflags, checker=checker) m += manuel.codeblock.Manuel() m += manuel.capture.Manuel() m += manuel.testcase.SectionManuel() # The apparently redundant "**dict()" is to make this code compatible with # Python 2.5 -- it would generate a SyntaxError otherwise. suite = manuel.testing.TestSuite(m, *tests, **dict( globs={'path_to_test': os.path.join(here, 'bugs.txt')})) return unittest.TestSuite(( suite, doctest.DocTestSuite(), )) manuel-1.10.1/src/manuel/doctest.py0000644000175000017500000000702113373300442016121 0ustar jamesjamesfrom __future__ import absolute_import import doctest import six import manuel import os.path DocTestRunner = doctest.DocTestRunner DebugRunner = doctest.DebugRunner class DocTestResult(six.StringIO): pass def parse(m, document, parser): for region in list(document): if region.parsed: continue region_start = region.lineno region_end = region.lineno + region.source.count('\n') for chunk in parser.parse(region.source): # If the chunk contains prose (as opposed to and example), skip it. if isinstance(chunk, str): continue chunk._manual = m chunk_line_count = (chunk.source.count('\n') + chunk.want.count('\n')) split_line_1 = region_start + chunk.lineno split_line_2 = split_line_1 + chunk_line_count # if there is some source we need to trim off the front... if split_line_1 > region.lineno: _, region = document.split_region(region, split_line_1) if split_line_2 < region_end: found, region = document.split_region(region, split_line_2) else: found = region document.claim_region(found) # Since we're treating each example as a stand-alone thing, we need # to reset its line number to zero. chunk.lineno = 0 found.parsed = chunk assert region in document class DocTest(doctest.DocTest): def __init__(self, examples, globs, name, filename, lineno, docstring): # do everything like regular doctests, but don't make a copy of globs doctest.DocTest.__init__(self, examples, globs, name, filename, lineno, docstring) self.globs = globs def evaluate(m, region, document, globs): # If the parsed object is not a doctest Example then we don't need to # handle it. if getattr(region.parsed, '_manual', None) is not m: return result = DocTestResult() test_name = os.path.split(document.location)[1] if m.debug: runner = m.debug_runner out = None else: runner = m.runner out = result.write # Use the testrunner-set option flags when running these tests. old_optionflags = runner.optionflags runner.optionflags |= doctest._unittest_reportflags runner.DIVIDER = '' # disable unwanted result formatting # Here's where everything happens. example = region.parsed runner.run( DocTest([example], globs, test_name, document.location, region.lineno-1, None), out=out, clear_globs=False) runner.optionflags = old_optionflags # Reset the option flags. region.evaluated = result def format(document): for region in document: if not isinstance(region.evaluated, DocTestResult): continue region.formatted = region.evaluated.getvalue().lstrip() class Manuel(manuel.Manuel): def __init__(self, optionflags=0, checker=None, parser=None): self.runner = DocTestRunner(optionflags=optionflags, checker=checker, verbose=False) self.debug_runner = DebugRunner(optionflags=optionflags, verbose=False) def evaluate_closure(region, document, globs): # capture "self" evaluate(self, region, document, globs) parser = parser or doctest.DocTestParser() manuel.Manuel.__init__( self, [lambda document: parse(self, document, parser)], [evaluate_closure], [format]) manuel-1.10.1/src/manuel/__init__.py0000644000175000017500000002511313373300442016215 0ustar jamesjamesimport re # constants for use with "timing" decorator EARLY = 'early' LATE = 'late' def timing(timing): assert timing in (EARLY, LATE) def decorate(func): func.manuel_timing = timing return func return decorate def newlineify(s): if s == '' or s[-1] != '\n': s += '\n' return s class Region(object): """A portion of source found via regular expression.""" parsed = None evaluated = None formatted = None def __init__(self, lineno, source, start_match=None, end_match=None, provenance=None): self.lineno = lineno self.source = newlineify(source) self.start_match = start_match self.end_match = end_match self.provenance = provenance def copy(self): """Private utility function to make a copy of this region. """ copy = Region(self.lineno, self.source, provenance=self.provenance) copy.parsed = self.parsed copy.evaluated = self.evaluated copy.formatted = self.formatted return copy def find_line(region, index): return region[:index].count('\n') + 1 def check_region_start(region, match): if match.start() != 0 \ and region.source[match.start()-1] != '\n': raise ValueError( 'Regions must start at the begining of a line.') def check_region_end(region, match): if match.end() != len(region.source) \ and region.source[match.end()-1] != '\n': raise ValueError( 'Regions must end at the ending of a line.') def lines_to_string(lines): return '\n'.join(lines) + '\n' def make_string_into_lines(s): lines = newlineify(s).split('\n') assert lines[-1] == '' del lines[-1] return lines def break_up_region(original, new): assert original.parsed is None lines = make_string_into_lines(original.source) new_regions = [] # figure out if there are any lines before the given region before_lines = lines[:new.lineno-original.lineno] if before_lines: new_regions.append( Region(original.lineno, lines_to_string(before_lines))) # put in the parsed new_regions.append(new) # figure out if there are any lines after the given region assert new.source[-1] == '\n', 'all lines must end with a newline' lines_in_new = new.source.count('\n') after_lines = lines[len(before_lines)+lines_in_new:] if after_lines: first_line_after_new = new.lineno + lines_in_new new_regions.append( Region(first_line_after_new, lines_to_string(after_lines))) assert original.source.count('\n') == \ sum(r.source.count('\n') for r in new_regions) return new_regions def sort_handlers(handlers): def key(f): # "j" was chosen because it sorts between "early" and "late" return getattr(f, 'manuel_timing', 'j') return sorted(handlers, key=key) def find_end_of_line(s): end = 0 while len(s) < end and s[end] != '\n': end += 1 return end class RegionContainer(object): location = '' id = None def __init__(self): self.regions = [] def parse_with(self, m): for parser in sort_handlers(m.parsers): parser(self) def evaluate_with(self, m, globs): for region in list(self): for evaluater in sort_handlers(m.evaluaters): evaluater(region, self, globs) def format_with(self, m): for formatter in sort_handlers(m.formatters): formatter(self) def process_with(self, m, globs): """Run all phases of document processing using a Manuel instance. """ self.parse_with(m) self.evaluate_with(m, globs) self.format_with(m) def formatted(self): """Return a string of all non-boolean-false formatted regions. """ return ''.join(region.formatted for region in self if region.formatted) def append(self, region): self.regions.append(region) def __iter__(self): """Iterate over all regions of the document. """ return iter(self.regions) def __bool__(self): return bool(self.regions) class Document(RegionContainer): def __init__(self, source, location=None): RegionContainer.__init__(self) if location is not None: self.location = location self.source = newlineify(source) self.append(Region(lineno=1, source=source)) self.shadow_regions = [] def find_regions(self, start, end=None): def compile(regex): if regex is not None and isinstance(regex, str): regex = re.compile(regex) return regex start = compile(start) end = compile(end) results = [] for region in self.regions: # can't parse things that have already been parsed if region.parsed: continue for start_match in re.finditer(start, region.source): first_lineno = region.lineno + find_line( region.source, start_match.start()) - 1 check_region_start(region, start_match) if end is None: end_match = None text = start_match.group() else: end_match = end.search(region.source, start_match.end()) # couldn't find a match for the end re, try again if end_match is None: continue end_position = end_match.end() + \ find_end_of_line(region.source[end_match.end():]) text = region.source[start_match.start():end_position] if text[-1] != '\n': text += '\n' new_region = Region(first_lineno, text, start_match, end_match) self.shadow_regions.append(new_region) results.append(new_region) return results def split_region(self, region, lineno): lineno -= region.lineno assert lineno > 0 assert region in self.regions assert region.parsed == region.evaluated == region.formatted == None lines = make_string_into_lines(region.source) source1 = lines_to_string(lines[:lineno]) source2 = lines_to_string(lines[lineno:]) region_index = self.regions.index(region) del self.regions[region_index] lines_in_source1 = source1.count('\n') region1 = Region(region.lineno, source1) region2 = Region(region.lineno+lines_in_source1, source2) self.regions.insert(region_index, region2) self.regions.insert(region_index, region1) if not region.source == source1 + source2: raise RuntimeError('when splitting a region, combined results do ' 'not equal the input') return region1, region2 def claim_region(self, to_be_replaced): new_regions = [] old_regions = list(self.regions) while old_regions: region = old_regions.pop(0) if region.lineno == to_be_replaced.lineno: assert not region.parsed new_regions.extend(break_up_region(region, to_be_replaced)) break elif region.lineno > to_be_replaced.lineno: # we "overshot" assert not new_regions[-1].parsed to_be_broken = new_regions[-1] del new_regions[-1] new_regions.extend(break_up_region( to_be_broken, to_be_replaced)) new_regions.append(region) break new_regions.append(region) else: # we didn't make any replacements, so the parsed data must be for # the very last region, which also must not have been parsed yet assert not region.parsed del new_regions[-1] new_regions.extend(break_up_region(region, to_be_replaced)) new_regions.extend(old_regions) self.regions = new_regions def insert_region(self, where, marker_region, new_region): if new_region in self.regions: raise ValueError( 'Only regions not already in the document may be inserted.') if new_region in self.shadow_regions: raise ValueError( 'Regions returned by "find_regions" can not be directly ' 'inserted into a document. Use "claim_region" instead.') for index, region in enumerate(self.regions): if region is marker_region: if where == 'after': index += 1 self.regions.insert(index, new_region) break def remove_region(self, region): self.regions.remove(region) def insert_region_before(self, marker_region, new_region): self.insert_region('before', marker_region, new_region) def insert_region_after(self, marker_region, new_region): self.insert_region('after', marker_region, new_region) def call(func): return func() class Manuel(object): _debug = False def __init__(self, parsers=None, evaluaters=None, formatters=None): if parsers is not None: self.parsers = parsers else: self.parsers = [] if evaluaters is not None: self.evaluaters = evaluaters else: self.evaluaters = [] if formatters is not None: self.formatters = formatters else: self.formatters = [] # other instances that this one has been extended with self.others = [] def add_parser(self, parser): self.parsers.append(parser) def add_evaluater(self, evaluater): self.evaluaters.append(evaluater) def add_formatter(self, formatter): self.formatters.append(formatter) def __extend(self, other): self.others.append(other) self.debug = max(self.debug, other.debug) self.parsers.extend(other.parsers) self.evaluaters.extend(other.evaluaters) self.formatters.extend(other.formatters) # the testing integration (manuel.testing) sets this flag when needed @call def debug(): def getter(self): debug = self._debug if self.others: debug = max(debug, max(m.debug for m in self.others)) return debug def setter(self, value): self._debug = value for m in self.others: m.debug = value return property(getter, setter) def __add__(self, other): m = Manuel() m.__extend(self) m.__extend(other) return m manuel-1.10.1/src/manuel/isolation.py0000644000175000017500000000214213373300442016454 0ustar jamesjamesimport re import manuel import textwrap RESET = re.compile(r'^\.\.\s*reset-globs\s*$', re.MULTILINE) CAPTURE = re.compile(r'^\.\.\s*capture-globs\s*$', re.MULTILINE) baseline = {} class Reset(object): pass def find_reset(document): for region in document.find_regions(RESET): document.claim_region(region) region.parsed = Reset() def execute_reset(region, document, globs): if not isinstance(region.parsed, Reset): return globs.clear() globs.update(baseline) class Capture(object): pass def find_baseline(document): # clear the baseline globs at the begining of a run (a bit of a hack) baseline.clear() for region in document.find_regions(CAPTURE): document.claim_region(region) region.parsed = Capture() def execute_baseline(region, document, globs): if not isinstance(region.parsed, Capture): return baseline.clear() baseline.update(globs) class Manuel(manuel.Manuel): def __init__(self): manuel.Manuel.__init__(self, [find_reset, find_baseline], [execute_reset, execute_baseline]) manuel-1.10.1/src/manuel/index.txt0000644000175000017500000006731413373300442015765 0ustar jamesjames====== Manuel ====== Manuel lets you mix and match traditional doctests with custom test syntax. Several plug-ins are included that provide new test syntax (see :ref:`functionality`). You can also create your own plug-ins. For example, if you've ever wanted to include a large chunk of Python in a doctest but were irritated by all the ">>>" and "..." prompts required, you'd like the :mod:`manuel.codeblock` module. It lets you execute code using Sphinx-style ".. code-block:: python" directives. The markup looks like this:: .. code-block:: python import foo def my_func(bar): return foo.baz(bar) Incidentally, the implementation of :mod:`manuel.codeblock` is only 23 lines of code. The plug-ins included in Manuel make good examples while being quite useful in their own right. The Manuel documentation makes extensive use of them as well. Follow the "Show Source" link to the left to see the `reST `_ source of this document. For a large example of creating test syntax, take a look at the :ref:`fit-table-example` or for all the details, :ref:`theory-of-operation`. To see how to get Manuel wired up see :ref:`getting-started`. .. contents:: .. reset-globs .. _functionality: Included Functionality ====================== Manuel includes several plug-ins out of the box: :ref:`manuel.capture ` stores regions of a document in variables for later processing :ref:`manuel.codeblock ` executes code in ".. code-block:: python" blocks :ref:`manuel.doctest ` provides traditional doctest processing as a Manuel plug-in :ref:`manuel.footnote ` executes code in reST-style footnodes each time they're referenced (good for getting incidental code out of the main flow of a document) :ref:`manuel.ignore ` ignores parts of a document while running tests :ref:`manuel.isolation ` makes it easier to have test isolation in doctests :ref:`manuel.testcase ` identify parts of tests as individual test cases so they can be run independently .. reset-globs .. _getting-started: Getting Started =============== The plug-ins used for a test are composed together using the "+" operator. Let's say you wanted a test that used doctest syntax as well as footnotes. You would create a Manuel instance to use like this: .. code-block:: python import manuel.doctest import manuel.footnote m = manuel.doctest.Manuel() m += manuel.footnote.Manuel() You would then pass the Manuel instance to a :class:`manuel.testing.TestSuite`, including the names of documents you want to process: .. ignore-next-block .. code-block:: python manuel.testing.TestSuite(m, 'test-one.txt', 'test-two.txt') Using unittest -------------- The simplest way to get started with Manuel is to use :mod:`unittest` to run your tests: .. code-block:: python import manuel.codeblock import manuel.doctest import manuel.testing import unittest def test_suite(): m = manuel.doctest.Manuel() m += manuel.codeblock.Manuel() return manuel.testing.TestSuite(m, 'test-one.txt', 'test-two.txt') if __name__ == '__main__': unittest.TextTestRunner().run(test_suite()) Using zope.testing ------------------ If you want to use a more featureful test runner you can use zope.testing's test runner (usable stand-alone -- it isn't dependent on the Zope application server). Create a file named :file:`tests.py` with a :func:`test_suite` function that returns a test suite. The suite can be either a :class:`manuel.testing.TestSuite` object or a :class:`unittest.TestSuite` as demonstrated below. .. code-block:: python import manuel.codeblock import manuel.doctest import manuel.testing def test_suite(): suite = unittest.TestSuite() # here you add your other tests to the suite... # now you can add the Manuel tests m = manuel.doctest.Manuel() m += manuel.codeblock.Manuel() suite.addTest(manuel.testing.TestSuite(m, 'test-one.txt', 'test-two.txt')) return suite Others ------ To use another test runner, like nose or pytest: .. setup __name__ and __file__ >>> import manuel >>> __name__ = 'tests' >>> __file__ = manuel.__file__ .. code-block:: python import manuel.codeblock import manuel.doctest import manuel.testing m = manuel.doctest.Manuel() m += manuel.codeblock.Manuel() manueltest = manuel.testing.TestFactory(m) class MyTest(unittest.TestCase): def setUp(self): self.a = 1 self.globs = dict(c=9) test1 = manueltest('doc1.ex') @manueltest('doc2.ex') def test2(self): self.x = 5 test3 = manueltest('doc3.ex') Here, we instantiated `TestFactory` with a `Manuel` instance to create `manueltest`, which is a factory for creating Manuel-based tests using on the given Manuel instance. We then used that to create 3 tests. The first and third tests just execute tests in the named files, `doc1.ex` and `doc3.ex`. The class' `setUp` method is used to set up the test. The second test also executes tests in a named file, `doc2.ex`, but it decorates a function that provides additional setup code that runs after the class setup code. When tests are run this way: - The test globals contain the test instance in the `test` variable. - If a test case defines a `globs` attribute, it must be a dictionary and it's contents are added to the test globals. .. We can run these tests with the ``unittest`` test runner. >>> loader = unittest.TestLoader() >>> import sys >>> sys.stdout.writeln = lambda s: sys.stdout.write(s+'\n') >>> suite = loader.loadTestsFromTestCase(MyTest) >>> result = suite.run(unittest.TextTestResult(sys.stdout, True, 3)) test1 (tests.MyTest) ... ok test2 (tests.MyTest) ... ok test3 (tests.MyTest) ... FAIL >>> for _, e in result.errors: ... print(e); print >>> for c, e in result.failures: ... print(e) # doctest: +ELLIPSIS +NORMALIZE_WHITESPACE Traceback (most recent call last): ... ---------------------------------------------------------------------- File "...doc3.ex", line 1, in doc3.ex Failed example: 1 Expected: 2 Got: 1 Check meta data: >>> MyTest.test1.__name__ 'test_doc1' >>> import os, manuel >>> (MyTest.test1.filepath == ... os.path.join(os.path.dirname(manuel.__file__), 'doc1.ex')) True >>> MyTest.test1.filename 'doc1.ex' >>> (MyTest.test2.filepath == ... os.path.join(os.path.dirname(manuel.__file__), 'doc2.ex')) True >>> MyTest.test2.filename 'doc2.ex' Having __name__ around breaks other manuel tests, for some reason. >>> del __name__ Customizing the TestCase class ------------------------------ Manuel has its own :class:`manuel.testing.TestClass` class that :class:`manuel.testing.TestSuite` uses. If you want to customize it, you can pass in your own class to `TestSuite`. .. code-block:: python import os.path import manuel.testing class StripDirsTestCase(manuel.testing.TestCase): def shortDescription(self): return os.path.basename(str(self)) suite = manuel.testing.TestSuite( m, path_to_test, TestCase=StripDirsTestCase) >>> list(suite)[0].shortDescription() 'bugs.txt' .. reset-globs .. _doctest: Doctests ======== Manuel is all about making testable documents and well-documented tests. Of course, Python's doctest module is a long-standing fixture in that space, so it only makes sense for Manuel to support doctest syntax. Handling doctests is easy: .. ignore-next-block .. code-block:: python import manuel.doctest m = manuel.doctest.Manuel() suite = manuel.testing.TestSuite(m, 'my-doctest.txt') Of course you can mix in other Manuel syntax plug-ins as well (including ones you write yourself). .. ignore-next-block .. code-block:: python import manuel.doctest import manuel.codeblock m = manuel.doctest.Manuel() m += manuel.codeblock.Manuel() suite = manuel.testing.TestSuite(m, 'my-doctest-with-code-blocks.txt') The :class:`manuel.doctest.Manuel` constructor also takes :data:`optionflags` and :data:`checker` arguments. .. ignore-next-block .. code-block:: python m = manuel.doctest.Manuel(optionflags=optionflags, checker=checker) See the `doctest documentation `_ for more information about the `available options `_ and `output checkers `_ .. note:: :mod:`zope.testing.renormalizing` provides an :class:`OutputChecker` for smoothing out differences between actual and expected output for things that are hard to control (like memory addresses and time). See the `module's doctests `_ for more information on how it works. Here's a short example that smoothes over the differences between CPython's and PyPy's NameError messages: .. code-block:: python import re import zope.testing.renormalizing checker = zope.testing.renormalizing.RENormalizing([ (re.compile(r"NameError: global name '([a-zA-Z0-9_]+)' is not defined"), r"NameError: name '\1' is not defined"), ]) .. reset-globs .. _capture: Capturing Blocks ================ When writing documentation the need often arises to describe the contents of files or other non-Python information. You may also want to put that information under test. :mod:`manuel.capture` helps with that. For example, if you were writing the problems for a programming contest, you might want to describe the input and output files for each challenge, but you want to be sure that your examples are correct. To do that you might write your document like this: :: Challenge 1 =========== Write a program that sorts the numbers in a file. Example ------- Given this example input file:: 6 1 8 20 11 65 2 .. -> input Your program should generate this output file:: 1 2 6 8 11 20 65 .. -> output >>> input_lines = input.splitlines() >>> correct = '\n'.join(map(str, sorted(map(int, input_lines)))) + '\n' >>> output == correct True .. -> source >>> import manuel >>> document = manuel.Document(source) >>> import manuel.capture >>> m = manuel.capture.Manuel() >>> import manuel.doctest >>> m += manuel.doctest.Manuel() >>> document.process_with(m, globs={}) >>> print(document.formatted()) This uses the syntax implemented in :mod:`manuel.capture` to capture a block of text into a variable (the one named after "->"). Whenever a line of the structure ".. -> VAR" is detected, the text of the *previous* block will be stored in the given variable. .. the paragraph below could be phrased better Of course, lines that start with ".. " are reST comments, so when the document is rendered with docutils or Sphinx, the tests will dissapear and only the intended document contents will remain. Like so:: Challenge 1 =========== Write a program that sorts the numbers in a file. Example ------- Given this example input file:: 6 1 8 20 11 65 2 Your program should generate this output file:: 1 2 6 8 11 20 65 .. reset-globs .. _code-blocks: Code Blocks =========== `Sphinx `_ and other docutils `extensions `_ provide a `"code-block" directive `_, which allows inlined snippets of code in reST documents. The :mod:`manuel.codeblock` module provides the ability to execute the contents of Python code-blocks. For example:: .. code-block:: python print('hello') .. Let's create a reST document with a code block. >>> import manuel.codeblock >>> document = manuel.Document(""" ... Here is a code-block: ... ... .. code-block:: python ... ... x = 'hello' ... ... A little prose to separate the examples. ... ... >>> print(x) ... hello ... ... """) .. Since the above document mixes code-blocks and doctests, we'll mix in the doctest handler. >>> import manuel.doctest >>> m = manuel.codeblock.Manuel() >>> m += manuel.doctest.Manuel() >>> document.process_with(m, globs={}) Both code blocks were found (for a total of five regions -- text, block, text, block, and text): >>> len(list(document)) 5 We can see that none of the tests in the document failed: >>> print(document.formatted()) If the code-block generates some sort of error... .. code-block:: python .. code-block:: python print(does_not_exist) .. -> source >>> document = manuel.Document(source, location='fake.txt') .. the document above was specially formulated to have nothing before or after the code-block >>> document.source.startswith('.. code-block') True >>> document.source.endswith('print(does_not_exist)\n') True ...that error will be reported: >>> document.process_with(m, globs={}) Traceback (most recent call last): ... NameError: name 'does_not_exist' is not defined If you find that you want to include a code-block in a document but don't want Manuel to execute it, use :ref:`manuel.ignore ` to ignore that particular block. .. reset-globs Docutils Code Blocks -------------------- Sphinx and docutils have different ideas of how code blocks should be spelled. Manuel supports the docutils-style code blocks too. :: .. code:: python a = 1 .. -> source >>> import manuel >>> document = manuel.Document(source) >>> import manuel.codeblock >>> m = manuel.codeblock.Manuel() >>> document.parse_with(m) >>> for region in document: ... print((region.lineno, region.parsed or region.source)) (1, ) Docutils options after the opening of the code block are also allowed:: .. code:: python :class: hidden a = 1 .. -> source >>> import manuel >>> document = manuel.Document(source) >>> import manuel.codeblock >>> m = manuel.codeblock.Manuel() >>> document.parse_with(m) >>> for region in document: ... print((region.lineno, region.parsed, region.parsed.source)) (1, , '\na = 1\n') Invisible Code Blocks --------------------- At times you'll want to have a block of code that is executed but not displayed in the rendered document (like some setup for later examples). When using doctest's native format (">>>") that's easy to do, you just put the code in a reST comment, like so: :: .. this is some setup, it is hidden in a reST comment >>> a = 5 >>> b = a + 3 However, if you want to include a relatively large chunk of Python, you'd rather use a code-block, but that means that it will be included in the rendered document. Instead, :mod:`manuel.codeblock` also understands a variant of the code-block directive that is actually a reST comment: ".. invisible-code-block:: python":: .. invisible-code-block:: python a = 5 b = a + 3 .. -> source >>> import manuel >>> document = manuel.Document(source) >>> document.process_with(m, globs={}) >>> print(document.formatted()) .. note:: The "invisible-code-block" directive will work with either one or two colons. The reason is that reST processers (like docutils and Sphinx) will generate an error for unrecognized directives (like invisible-code-block). Therefore you can use a single colon and the line will be interpreted as a comment instead. .. the single-colon variant works too >>> document = manuel.Document(""" ... ... .. invisible-code-block: python ... ... raise RuntimeError('it worked!') ... ... """) >>> document.process_with(m, globs={}) Traceback (most recent call last): ... RuntimeError: it worked! .. reset-globs .. _footnotes: Footnotes ========= The :mod:`manuel.footnote` module provides an implementation of reST footnote handling, but instead of just plain text, the footnotes can contain any syntax Manuel can interpret including doctests. >>> import manuel.footnote >>> m = manuel.footnote.Manuel() Here's an example of combining footnotes with doctests: .. so we also need the doctest Manuel plug-in >>> import manuel.doctest >>> m += manuel.doctest.Manuel() :: Here we reference a footnote. [1]_ >>> x 42 Here we reference another. [2]_ >>> x 100 .. [1] This is a test footnote definition. >>> x = 42 .. [2] This is another test footnote definition. >>> x = 100 .. [3] This is a footnote that will never be executed. >>> raise RuntimeError('nooooo!') .. -> source >>> import manuel >>> document = manuel.Document(source) >>> document.process_with(m, globs={}) >>> print(document.formatted()) .. The order of examples in footnotes is preserved. If not, the document below would generate an error because "a" won't be defined when "b = a + 1" is evaluated. >>> document = manuel.Document(""" ... Here we want some imports to be done. [foo]_ ... ... >>> a + b ... 3 ... ... A little prose to separate the examples. ... ... .. [foo] Do something ... ... >>> a = 1 ... ... >>> b = a + 1 ... ... """) >>> document.process_with(m, globs={}) >>> print(document.formatted()) It is also possible to reference more than one footnote on a single line. :: This line has several footnotes on it. [1]_ [2]_ [3]_ >>> z 105 A little prose to separate the examples. .. [1] Do something >>> w = 3 .. [2] Do something >>> x = 5 .. [3] Do something >>> y = 7 >>> z = w * x * y .. -> source2 >>> document = manuel.Document(source) >>> document.process_with(m, globs={}) >>> print(document.formatted()) .. reset-globs .. _ignore: Ignoring Blocks =============== .. reset-globs Occasionally the need arises to ignore a block of markup that would otherwise be parsed by a Manuel plug-in. For example, this document has a code-block that will generate a syntax error:: The following is invalid Python. .. code-block:: python def foo: pass .. -> source >>> import manuel >>> document = manuel.Document(source) >>> import manuel.codeblock >>> m = manuel.codeblock.Manuel() We can see that when executed, the SyntaxError escapes. >>> import manuel.codeblock >>> m = manuel.codeblock.Manuel() >>> document.process_with(m, globs={}) Traceback (most recent call last): ... File ":4", line 2 def foo: ^ SyntaxError: invalid syntax... The :mod:`manuel.ignore` module provides a way to ignore parts of a document using a directive ".. ignore-next-block". Because Manuel plug-ins are executed in the order they are accumulated, we want :mod:`manuel.ignore` to be the base Manuel object, with any additional plug-ins added to it. .. code-block:: python import manuel.ignore import manuel.doctest m = manuel.ignore.Manuel() m += manuel.codeblock.Manuel() m += manuel.doctest.Manuel() If we add an ignore marker to the block we don't want processed... .. code-block:: python The following is invalid Python. .. ignore-next-block .. code-block:: python def foo: pass .. -> source >>> document = manuel.Document(source) ...the error goes away. >>> document.process_with(m, globs={}) >>> print(document.formatted()) Ignoring Literal Blocks ----------------------- Ignoring literal blocks is a little more involved:: Here is some invalid Python: .. ignore-next-block :: >>> lambda: x=1 .. -> source >>> document = manuel.Document(source) >>> document.process_with(m, globs={}) >>> print(document.formatted()) .. we want to be very sure that the above example without the ignore actually generates an error: >>> document = manuel.Document(document.source.replace( ... '.. ignore-next-block', '')) >>> document.process_with(m, globs={}) >>> print(document.formatted()) File ""... Exception raised: ... SyntaxError: ... .. reset-globs .. _isolation: Test Isolation ============== One of the advantages of unittest over doctest is that the individual tests are isolated from one-another. In large doctests (like this one) you may want to keep later tests from depending on incidental details of earlier tests, preventing the tests from becoming brittle and harder to change. Test isolation is one approach to reducing this intra-doctest coupling. The :mod:`manuel.isolation` module provides a plug-in to help. The ".. reset-globs" directive resets the globals in the test:: We define a variable. >>> x = 'hello' It is still defined. >>> print(x) hello Now we can reset the globals... .. reset-globs ...and the name binding will be gone: >>> print(x) Traceback (most recent call last): ... NameError: name 'x' is not defined .. -> source >>> import manuel >>> document = manuel.Document(source) >>> import manuel.isolation >>> import manuel.doctest >>> m = manuel.isolation.Manuel() >>> m += manuel.doctest.Manuel(checker=checker) We can see that after the globals have been reset, the second "print(x)" line raises an error. Of course, resetting to an empty set of global variables isn't always what's wanted. In that case there is a ".. capture-globs" directive that saves a baseline set of globals that will be restored at each reset. :: We define a variable. >>> x = 'hello' It is still defined. >>> print(x) hello We can capture the currently defined globals: .. capture-globs Of course capturing the globals doesn't disturb them. >>> print(x) hello Now if we define a new global... >>> y = 'goodbye' >>> print(y) goodbye .. reset-globs ...it will disappear after a reset. >>> print(y) Traceback (most recent call last): ... NameError: name 'y' is not defined But the captured globals will still be defined. >>> print(x) hello .. -> source >>> import manuel >>> document = manuel.Document(source) >>> document.process_with(m, globs={}) >>> print(document.formatted()) .. reset-globs .. _testcase: Identifying Test Cases ====================== If you want parts of a document to be individually accessible as test cases (to be able to run just a particular subset of them, for example), a parser can create a region that marks the beginning of a new test case. Two ways of identifying test cases are included in :mod:`manuel.testcase`: 1. by section headings 2. by explicit ".. test-case: NAME" markers. Grouping Tests by Heading ------------------------- :: First Section ============= Some prose. >>> print('first test case') Some more prose. >>> print('still in the first test case') Second Section ============== Even more prose. >>> print('second test case') .. -> source >>> import manuel >>> import manuel.testcase >>> document = manuel.Document(source) >>> m = manuel.testcase.SectionManuel() >>> m += manuel.doctest.Manuel() >>> document.process_with(m, globs={}) >>> print(document.formatted()) File ""... Failed example: print('first test case') Expected nothing Got: first test case File ""... Failed example: print('still in the first test case') Expected nothing Got: still in the first test case File ""... Failed example: print('second test case') Expected nothing Got: second test case .. now lets see if the regions are grouped as we expect >>> import manuel.testing >>> for regions in manuel.testing.group_regions_by_test_case(document): ... print((regions.location, regions.id)) ('', None) ('', 'First Section') ('', 'Second Section') Given the above document, if you're using zope.testing's testrunner (located in bin/test), you could run just the tests in the second section with this command:: bin/test -t "file-name.txt:Second Section" Or, exploiting the fact that -t does a regex search (as opposed to a match):: bin/test -t file-name.txt:Second Grouping Tests Explicitly ------------------------- If you would like to identify test cases separately from sections, you can identify them with a marker:: First Section ============= The following test will be in a test case that is not individually identifiable. >>> print('first test case (unidentified)') Some more prose. .. test-case: first-named-test-case >>> print('first identified test case') Second Section ============== The test case markers don't have to immediately proceed a test. .. test-case: second-named-test-case Even more prose. >>> print('second identified test case') .. -> source >>> document = manuel.Document(source) >>> m = manuel.testcase.MarkerManuel() >>> m += manuel.doctest.Manuel() >>> document.parse_with(m) >>> import six >>> for regions in manuel.testing.group_regions_by_test_case(document): ... six.print_(regions.location, regions.id) None first-named-test-case second-named-test-case Again, given the above document and zope.testing, you could run just the second set of tests with this command:: bin/test -t file-name.txt:second-named-test-case Or, exploiting the fact that -t does a regex search again:: bin/test -t file-name.txt:second Even though the tests are individually accessable doesn't mean that they can't all be run at the same time:: bin/test -t file-name.txt Also, if you create a hierarchy of names, you can run groups of tests at a time. For example, lets say that you append "-important" to all your really important tests, you could then run the important tests for a single document like so:: bin/test -t 'file-name.txt:.*-important$' or all the "important" tests no matter what file they are in:: bin/test -t '-important$' Both Methods ------------ You can also combine more than one test case identification method if you want. Here's an example of building a Manuel stack that has doctests and both flavors of test case identification: .. code-block:: python import manuel.doctest import manuel.testcase m = manuel.doctest.Manuel() m += manuel.testcase.SectionManuel() m += manuel.testcase.MarkerManuel() .. make sure above finds all the test cases appropriately >>> document.parse_with(m) >>> import six >>> for regions in manuel.testing.group_regions_by_test_case(document): ... six.print_(regions.location, regions.id) None First Section first-named-test-case Second Section second-named-test-case Further Reading =============== .. toctree:: :maxdepth: 1 README.txt table-example.txt bugs.txt manuel-1.10.1/src/manuel/ignore.py0000644000175000017500000000077413373300442015747 0ustar jamesjamesimport re import manuel import textwrap IGNORE_START = re.compile(r'^\.\.\s*ignore-next-block\s*$', re.MULTILINE) IGNORE_END = re.compile(r'(? foo .. -> source >>> import manuel >>> document = manuel.Document(source) >>> import manuel.capture >>> manuel.capture.find_captures(document) >>> [r.parsed.block for r in document if r.parsed] ['Third level of indentation.\n'] Nested directives ----------------- If two capture directives are nested, the outer one is effective. :: First level of indentation. Second level of indentation. Third level of indentation. .. -> foo .. -> bar .. -> source >>> import manuel >>> document = manuel.Document(source) >>> import manuel.capture >>> manuel.capture.find_captures(document) >>> [r.parsed.block for r in document if r.parsed] ['Second level of indentation.\n\n Third level of indentation.\n\n.. -> foo\n'] Error reporting --------------- If the capture directive is accidentally indented, a (reasonable) error will be generated. :: This is a block that will be captured:: Block .. -> foo .. -> source >>> import manuel >>> document = manuel.Document(source) >>> import manuel.capture >>> manuel.capture.find_captures(document) Traceback (most recent call last): ... RuntimeError: couldn't find the start of the block; improper indentation of capture directive? manuel-1.10.1/src/manuel/doc2.ex0000644000175000017500000000005013373300442015262 0ustar jamesjames >>> test.a, test.x, c (1, 5, 9) manuel-1.10.1/src/manuel/doc3.ex0000644000175000017500000000001013373300442015257 0ustar jamesjames>>> 1 2 manuel-1.10.1/src/manuel/testcase.py0000644000175000017500000000257213373300442016275 0ustar jamesjamesimport manuel import manuel.testing import re import string import textwrap punctuation = re.escape(string.punctuation) SECTION_TITLE = re.compile(r'^.+$', re.MULTILINE) SECTION_UNDERLINE = re.compile('^[' + punctuation + ']+\s*$', re.MULTILINE) MARKER = re.compile(r'^.. test-case: (\S+)', re.MULTILINE) def find_section_headers(document): for region in document.find_regions(SECTION_TITLE, SECTION_UNDERLINE): # regions that represent titles will have two lines if region.source.count('\n') != 2: continue title, underline = region.source.splitlines() # the underline has to be the same length as or longer than the title if len(underline) < len(title): continue # ok, this is a region we want document.claim_region(region) test_case_name = title.strip() region.parsed = manuel.testing.TestCaseMarker(test_case_name) def find_markers(document): for region in document.find_regions(MARKER): document.claim_region(region) test_case_name = region.start_match.group(1) region.parsed = manuel.testing.TestCaseMarker(test_case_name) class SectionManuel(manuel.Manuel): def __init__(self): manuel.Manuel.__init__(self, [find_section_headers]) class MarkerManuel(manuel.Manuel): def __init__(self): manuel.Manuel.__init__(self, [find_markers]) manuel-1.10.1/src/manuel/README.txt0000644000175000017500000004647713373300442015622 0ustar jamesjames.. _theory-of-operation: Theory of Operation =================== .. XXX this really wants to be a "How To Write a Plug-in" tutorial. Manuel parses documents (tests), evaluates their contents, then formats the result of the evaluation. The functionality is accessed via the :mod:`manuel` package. >>> import manuel Parsing ------- Manuel operates on Documents. Each Document is created from a string containing one or more lines. >>> source = """\ ... This is our document, it has several lines. ... one: 1, 2, 3 ... two: 4, 5, 7 ... three: 3, 5, 1 ... """ >>> document = manuel.Document(source) For example purposes we will create a type of test that consists of a sequence of numbers. Lets create a NumbersTest object to represent the parsed list. >>> class NumbersTest(object): ... def __init__(self, description, numbers): ... self.description = description ... self.numbers = numbers The Document is divided into one or more regions. Each region is a distinct "chunk" of the document and will be acted uppon in later (post-parsing) phases. Initially the Document is made up of a single element, the source string. >>> [region.source for region in document] ['This is our document, it has several lines.\none: 1, 2, 3\ntwo: 4, 5, 7\nthree: 3, 5, 1\n'] The Document offers a "find_regions" method to assist in locating the portions of the document a particular parser is interested in. Given a regular expression (either as a string, or compiled), it will return "region" objects that contain the matched source text, the line number (1 based) the region begins at, as well as the associated re.Match object. >>> import re >>> numbers_test_finder = re.compile( ... r'^(?P.*?): (?P(\d+,?[ ]?)+)$', re.MULTILINE) >>> regions = document.find_regions(numbers_test_finder) >>> regions [, , ] >>> regions[0].lineno 2 >>> regions[0].source 'one: 1, 2, 3\n' >>> regions[0].start_match.group('description') 'one' >>> regions[0].start_match.group('numbers') '1, 2, 3' If given two regular expressions find_regions will use the first to identify the begining of a region and the second to identify the end. >>> region = document.find_regions( ... re.compile('^one:.*$', re.MULTILINE), ... re.compile('^three:.*$', re.MULTILINE), ... )[0] >>> region.lineno 2 >>> six.print_(region.source) one: 1, 2, 3 two: 4, 5, 7 three: 3, 5, 1 Also, instead of just a "start_match" attribute, the region will have start_match and end_match attributes. >>> region.start_match <...Match object...> >>> region.end_match <...Match object...> Regions must always consist of whole lines. >>> document.find_regions('1, 2, 3') Traceback (most recent call last): ... ValueError: Regions must start at the begining of a line. .. more "whole-line" tests. >>> document.find_regions( ... re.compile('ne:.*$', re.MULTILINE), ... re.compile('^one:.*$', re.MULTILINE), ... ) Traceback (most recent call last): ... ValueError: Regions must start at the begining of a line. Now we can register a parser that will identify the regions we're interested in and create NumbersTest objects from the source text. >>> def parse(document): ... for region in document.find_regions(numbers_test_finder): ... description = region.start_match.group('description') ... numbers = list(map( ... int, region.start_match.group('numbers').split(','))) ... test = NumbersTest(description, numbers) ... document.claim_region(region) ... region.parsed = test >>> parse(document) >>> [region.source for region in document] ['This is our document, it has several lines.\n', 'one: 1, 2, 3\n', 'two: 4, 5, 7\n', 'three: 3, 5, 1\n'] >>> [region.parsed for region in document] [None, , , ] Evaluation ---------- After a document has been parsed the resulting tests are evaluated. Unlike parsing and formatting, evaluation is done one region at a time, in the order that the regions appear in the document. Lets define a function to evaluate NumberTests. The function determines whether or not the numbers are in sorted order and records the result along with the description of the list of numbers. .. code-block:: python class NumbersResult(object): def __init__(self, test, passed): self.test = test self.passed = passed def evaluate(region, document, globs): if not isinstance(region.parsed, NumbersTest): return test = region.parsed passed = sorted(test.numbers) == test.numbers region.evaluated = NumbersResult(test, passed) .. a test of the above >>> for region in document: ... evaluate(region, document, {}) >>> [region.evaluated for region in document] [None, , , ] Formatting ---------- Once the evaluation phase is completed the results are formatted. You guessed it: Manuel provides a method for formatting results. We'll build one to format a message about whether or not our lists of numbers are sorted properly. A formatting function returns None when it has no output, or a string otherwise. .. code-block:: python def format(document): for region in document: if not isinstance(region.evaluated, NumbersResult): continue result = region.evaluated if not result.passed: region.formatted = ( "the numbers aren't in sorted order: %s\n" % ', '.join(map(str, result.test.numbers))) Since one of the test cases failed we get an appropriate message out of the formatter. >>> format(document) >>> [region.formatted for region in document] [None, None, None, "the numbers aren't in sorted order: 3, 5, 1\n"] Manuel Objects -------------- We'll want to use these parse, evaluate, and format functions later, so we bundle them together into a Manuel object. >>> sorted_numbers_manuel = manuel.Manuel( ... parsers=[parse], evaluaters=[evaluate], formatters=[format]) Doctests -------- We can use Manuel to run doctests. Let's create a simple doctest to demonstrate with. >>> source = """This is my ... doctest. ... ... >>> 1 + 1 ... 2 ... """ >>> document = manuel.Document(source) The :mod:`manuel.doctest` module has handlers for the various phases. First we'll look at parsing. >>> import manuel.doctest >>> m = manuel.doctest.Manuel() >>> document.parse_with(m) >>> for region in document: ... print((region.lineno, region.parsed or region.source)) (1, 'This is my\ndoctest.\n\n') (4, ) Now we can evaluate the examples. >>> document.evaluate_with(m, globs={}) >>> for region in document: ... print((region.lineno, region.evaluated or region.source)) (1, 'This is my\ndoctest.\n\n') (4, ) And format the results. >>> document.format_with(m) >>> document.formatted() '' Oh, we didn't have any failing tests, so we got no output. Let's try again with a failing test. This time we'll use the "process_with" function to simplify things. >>> document = manuel.Document("""This is my ... doctest. ... ... >>> 1 + 1 ... 42 ... """) >>> document.process_with(m, globs={}) >>> six.print_(document.formatted(), end='') File "", line 4, in Failed example: 1 + 1 Expected: 42 Got: 2 Alternate doctest parsers ~~~~~~~~~~~~~~~~~~~~~~~~~ You can pass an alternate doctest parser to manuel.doctest.Manuel to customize how examples are parsed. Here's an example that changes the example start string from ">>>" to "py>": >>> import doctest >>> class DocTestPyParser(doctest.DocTestParser): ... _EXAMPLE_RE = re.compile(r''' ... (?P ... (?:^(?P [ ]*) py> .*) # PS1 line ... (?:\n [ ]* \.\.\. .*)*) # PS2 lines ... \n? ... (?P (?:(?![ ]*$) # Not a blank line ... (?![ ]*py>) # Not a line starting with PS1 ... .*$\n? # But any other line ... )*) ... ''', re.MULTILINE | re.VERBOSE) >>> m = manuel.doctest.Manuel(parser=DocTestPyParser()) >>> document = manuel.Document("""This is my ... doctest. ... ... py> 1 + 1 ... 42 ... """) >>> document.process_with(m, globs={}) >>> six.print_(document.formatted(), end='') File "", line 4, in Failed example: 1 + 1 Expected: 42 Got: 2 Multiple doctest parsers ~~~~~~~~~~~~~~~~~~~~~~~~ You may use several doctest parsers in the same session, for example, to support shell commands and Python code in the same document. >>> m = (manuel.doctest.Manuel(parser=DocTestPyParser()) + ... manuel.doctest.Manuel()) >>> document = manuel.Document(""" ... ... py> i = 0 ... py> i += 1 ... py> i ... 1 ... ... >>> j = 0 ... >>> j += 1 ... >>> j ... 1 ... ... """) >>> document.process_with(m, globs={}) >>> six.print_(document.formatted(), end='') Globals ------- Even though each region is parsed into its own object, state is still shared between them. Each region of the document is executed in order so state changes made by earlier evaluaters are available to the current evaluator. >>> document = manuel.Document(""" ... >>> x = 1 ... ... A little prose to separate the examples. ... ... >>> x ... 1 ... """) >>> document.process_with(m, globs={}) >>> six.print_(document.formatted(), end='') Imported modules are added to the global namespace as well. >>> document = manuel.Document(""" ... >>> import string ... ... A little prose to separate the examples. ... ... >>> string.digits ... '0123456789' ... ... """) >>> document.process_with(m, globs={}) >>> six.print_(document.formatted(), end='') Combining Test Types -------------------- Now that we have both doctests and the silly "sorted numbers" tests, let's create a single document that has both. >>> document = manuel.Document(""" ... We can have a list of numbers... ... ... a very nice list: 3, 6, 2 ... ... ... and we can test Python. ... ... >>> 1 + 1 ... 42 ... ... """) Obviously both of those tests will fail, but first we have to configure Manuel to understand both test types. We'll start with a doctest configuration and add the number list testing on top. >>> m = manuel.doctest.Manuel() Since we already have a Manuel instance configured for our "sorted numbers" tests, we can extend the built-in doctest configuration with it. >>> m += sorted_numbers_manuel Now we can process our source that combines both types of tests and see what we get. >>> document.process_with(m, globs={}) The document was parsed and has a mixture of prose and parsed doctests and number tests. >>> for region in document: ... print((region.lineno, region.parsed or region.source)) (1, '\nWe can have a list of numbers...\n\n') (4, ) (5, '\n... and we can test Python.\n\n') (8, ) (10, '\n') We can look at the formatted output to see that each of the two tests failed. >>> for region in document: ... if region.formatted: ... six.print_('-'*70) ... six.print_(region.formatted, end='') ---------------------------------------------------------------------- the numbers aren't in sorted order: 3, 6, 2 ---------------------------------------------------------------------- File "", line 8, in Failed example: 1 + 1 Expected: 42 Got: 2 Priorities ---------- Some functionality requires that code be called early or late in a phase. The "timing" decorator allows either EARLY or LATE to be specified. Early functions are run first (in arbitrary order), then functions with no specified timing, then the late functions are called (again in arbitrary order). This function also demonstrates the "copy" method of Region objects and the "insert_region_before" and "insert_region_after" methods of Documents. >>> @manuel.timing(manuel.LATE) ... def cloning_parser(document): ... to_be_cloned = None ... # find the region to clone ... document_iter = iter(document) ... for region in document_iter: ... if region.parsed: ... continue ... if region.source.strip().endswith('my clone:'): ... to_be_cloned = six.advance_iterator(document_iter).copy() ... break ... # if we found the region to cloned, do so ... if to_be_cloned: ... # make a copy since we'll be mutating the document ... for region in list(document): ... if region.parsed: ... continue ... if 'clone before *here*' in region.source: ... clone = to_be_cloned.copy() ... clone.provenance = 'cloned to go before' ... document.insert_region_before(region, clone) ... if 'clone after *here*' in region.source: ... clone = to_be_cloned.copy() ... clone.provenance = 'cloned to go after' ... document.insert_region_after(region, clone) >>> m.add_parser(cloning_parser) >>> source = """\ ... This is my clone: ... ... clone: 1, 2, 3 ... ... I want some copies of my clone. ... ... For example, I'd like a clone before *here*. ... ... I'd also like a clone after *here*. ... """ >>> document = manuel.Document(source) >>> document.process_with(m, globs={}) >>> [(r.source, r.provenance) for r in document] [('This is my clone:\n\n', None), ('clone: 1, 2, 3\n', None), ('clone: 1, 2, 3\n', 'cloned to go before'), ("\nI want some copies of my clone.\n\nFor example, I'd like a clone before *here*.\n\nI'd also like a clone after *here*.\n", None), ('clone: 1, 2, 3\n', 'cloned to go after')] Enhancing Existing Manuels -------------------------- Lets say that you'd like failed doctest examples to give more information about what went wrong. First we'll create an evaluater that includes pertinant variable binding information on failures. .. code-block:: python import doctest def informative_evaluater(region, document, globs): if not isinstance(region.parsed, doctest.Example): return if region.evaluated.getvalue(): info = '' for name in sorted(globs): if name in region.parsed.source: info += '\n ' + name + ' = ' + repr(globs[name]) if info: region.evaluated.write('Additional Information:') region.evaluated.write(info) To do that we'll start with an instance of :mod:`manuel.doctest.Manuel` and add in our additional functionality. >>> m = manuel.doctest.Manuel() >>> m.add_evaluater(informative_evaluater) Now we'll create a document that includes a failing test. >>> document = manuel.Document(""" ... Set up some variable bindings: ... ... >>> a = 1 ... >>> b = 2 ... >>> c = 3 ... ... Make an assertion: ... ... >>> a + b ... 5 ... """) When we run the document through our Manuel instance, we see the additional information. >>> document.process_with(m, globs={}) >>> six.print_(document.formatted(), end='') File "", line 10, in Failed example: a + b Expected: 5 Got: 3 Additional Information: a = 1 b = 2 Note how only the referenced variable bindings are displayed (i.e., "c" is not listed). That's pretty nice, but the way interesting variables are identified is a bit of a hack. For example, if a variable's name just happens to appear in the source (in a comment for example), it will be included in the output: >>> document = manuel.Document(""" ... Set up some variable bindings: ... ... >>> a = 1 ... >>> b = 2 ... >>> c = 3 ... ... Make an assertion: ... ... >>> a + b # doesn't mention "c" ... 5 ... """) >>> document.process_with(m, globs={}) >>> six.print_(document.formatted(), end='') File "", line 10, in Failed example: a + b # doesn't mention "c" Expected: 5 Got: 3 Additional Information: a = 1 b = 2 c = 3 Instead of a text-based apprach, let's use the built-in tokenize module to more robustly identify referenced variables. >>> from six import StringIO >>> import token >>> import tokenize >>> def informative_evaluater_2(region, document, globs): ... if not isinstance(region.parsed, doctest.Example): ... return ... ... if region.evaluated.getvalue(): ... vars = set() ... reader = StringIO(region.source).readline ... for ttype, tval, _, _, _ in tokenize.generate_tokens(reader): ... if ttype == token.NAME: ... vars.add(tval) ... ... info = '' ... for name in sorted(globs): ... if name in vars: ... info += '\n ' + name + ' = ' + repr(globs[name]) ... ... if info: ... region.evaluated.write('Additional Information:') ... region.evaluated.write(info) >>> m = manuel.doctest.Manuel() >>> m.add_evaluater(informative_evaluater_2) Now when we have a failure, only the genuinely referenced variables will be included in the debugging information. >>> document = manuel.Document(document.source) >>> document.process_with(m, globs={}) >>> six.print_(document.formatted(), end='') File "", line 10, in Failed example: a + b # doesn't mention "c" Expected: 5 Got: 3 Additional Information: a = 1 b = 2 Defining Test Cases ------------------- If you want parts of a document to be accessable individually as test cases (to be able to run just a particular part of a document, for example), a parser can create a region that marks the beginning of a new test case. .. code-block:: python new_test_case_regex = re.compile(r'^.. new-test-case: \w+', re.MULTILINE) def parse(document): for region in document.find_regions(new_test_case_regex): document.claim_region(region) id = region.start_match.group(1) region.parsed = manuel.testing.TestCaseMarker(id) XXX finish this section manuel-1.10.1/src/manuel/codeblock.py0000644000175000017500000000217413373300442016405 0ustar jamesjamesimport re import manuel import textwrap CODEBLOCK_START = re.compile( r'(^\.\.\s*(invisible-)?code(-block)?::?\s*python\b(?:\s*\:[\w-]+\:.*\n)*)', re.MULTILINE) CODEBLOCK_END = re.compile(r'(\n\Z|\n(?=\S))') class CodeBlock(object): def __init__(self, code, source): self.code = code self.source = source def find_code_blocks(document): for region in document.find_regions(CODEBLOCK_START, CODEBLOCK_END): start_end = CODEBLOCK_START.search(region.source).end() source = textwrap.dedent(region.source[start_end:]) source_location = '%s:%d' % (document.location, region.lineno) code = compile(source, source_location, 'exec', 0, True) document.claim_region(region) region.parsed = CodeBlock(code, source) def execute_code_block(region, document, globs): if not isinstance(region.parsed, CodeBlock): return exec(region.parsed.code, globs) del globs['__builtins__'] # exec adds __builtins__, we don't want it class Manuel(manuel.Manuel): def __init__(self): manuel.Manuel.__init__(self, [find_code_blocks], [execute_code_block]) manuel-1.10.1/src/manuel/bugs.txt0000644000175000017500000001377713373300442015622 0ustar jamesjamesFixed Bugs ========== Here are demonstrations of various bugs that have been fixed in Manuel. If you encounter a bug in a previous version of Manuel, check here in the newest version to see if your bug has been addressed. Start and End Coinciding ------------------------ If a line of text matches both a "start" and "end" regular expression, no exception should be raised. >>> source = """\ ... Blah, blah. ... ... xxx ... some text ... xxx ... ... """ >>> import manuel >>> document = manuel.Document(source) >>> import re >>> start = end = re.compile(r'^xxx$', re.MULTILINE) >>> document.find_regions(start, end) [ source .. code-block:: python import manuel.codeblock m = manuel.codeblock.Manuel() manuel.Document(source).parse_with(m) Code-block options with hyphens ------------------------------- The code-block handler reST option parsing used to not allow for options with hyphens in their name, so blocks like this one would generate a syntax error: .. code:: python :number-lines: class Foo(object): pass .. -> source .. code-block:: python import manuel.codeblock m = manuel.codeblock.Manuel() manuel.Document(source).parse_with(m) Empty documents --------------- While empty documents aren't useful, they are still documents containing no tests, and shouldn't break the test suite. >>> document = manuel.Document('') >>> document.source '\n' Glob lifecycle -------------- Anything put into the globs during a doctest run should still be in there afterward. >>> a 1 >>> b = 2 .. -> source .. code-block:: python import manuel.doctest m = manuel.doctest.Manuel() globs = {'a': 1} document = manuel.Document(source) document.process_with(m, globs=globs) The doctest in the `source` variable ran with no errors. >>> six.print_(document.formatted()) And now the globs dictionary reflects the changes made when the doctest ran. >>> globs['b'] 2 zope.testing.module ------------------- At one point, because of the way manuel.doctest handles glob dictionaries, zope.testing.module didn't work. We need a globs dictionary. >>> globs = {'foo': 1} To call the setUp and tearDown functions, we need to set up a fake test object that uses our globs dict from above. .. code-block:: python class FakeTest(object): def __init__(self): self.globs = globs test = FakeTest() Now we will use the globs as a module. >>> import zope.testing.module >>> zope.testing.module.setUp(test, 'fake') Now if we run this test through Manuel, the fake module machinery works. The items put into the globs before the test are here. >>> import fake >>> fake.foo 1 And if we create new bindings, they appear in the module too. >>> bar = 2 >>> fake.bar 2 .. -> source .. code-block:: python import manuel.doctest m = manuel.doctest.Manuel() document = manuel.Document(source) document.process_with(m, globs=globs) The doctest in the `source` variable ran with no errors. >>> six.print_(document.formatted()) We should clean up now. >>> import zope.testing.module >>> zope.testing.module.tearDown(test) Debug flag and adding instances ------------------------------- The unittest integration (manuel.testing) sets the debug attribute on Manuel objects. Manuel instances that result from adding instances together need to have the debug value passed to each Manuel instances that was added together. >>> m1 = manuel.Manuel() >>> m2 = manuel.Manuel() The debug flag starts off false... >>> m1.debug False >>> m2.debug False ...but if we set it add the two instances together and set the flag on on the resulting instance, the other one gets the value too. >>> m3 = m1 + m2 >>> m3.debug = True >>> m1.debug True >>> m2.debug True >>> m3.debug True TestCase id methods ------------------- Twisted's testrunner, trial, makes use of the id method of TestCase instances in a way that requires it to be a meaningful string. For manuel.testing.TestCase instances, this used to return None. As you can see below, the manuel.testing.TestCase.shortDescription is now returned instead: >>> from manuel.testing import TestCase >>> m = manuel.Manuel() >>> six.print_(TestCase(m, manuel.RegionContainer(), None).id()) DocTestRunner peaks at sys.argv ------------------------------- A (bad) feature of DocTestRunner (and its subclass DebugRunner) is that it will turn on "verbose" mode if sys.argv contains "-v". This means that if you pass -v to a test runner that then invokes Manuel, all tests would fail because extra junk was inserted into the doctest output. That is, before I fixed it. Now, manuel.doctest.Manuel passes "verbose = False" to the DocTestRunner constructor which disables the functionality. We can ensure that the verbose mode is always disabled by creating test standins for DocTestRunner and DebugRunner that capture their constructor arguments. .. code-block:: python import doctest import manuel.doctest class FauxDocTestRunner(object): def __init__(self, **kws): self.kws = kws try: manuel.doctest.DocTestRunner = FauxDocTestRunner manuel.doctest.DebugRunner = FauxDocTestRunner m = manuel.doctest.Manuel() finally: manuel.doctest.DocTestRunner = doctest.DocTestRunner manuel.doctest.DebugRunner = doctest.DebugRunner Now, with the Manuel object instantiated we can verify that verbose is off for both test runners. >>> m.runner.kws['verbose'] False >>> m.debug_runner.kws['verbose'] False manuel-1.10.1/tox.ini0000644000175000017500000000057713373300442013356 0ustar jamesjames[tox] skip_missing_interpreters = True envlist = py27,py34,py35,py36,py37,pypy,pypy3,coverage [testenv] deps = coverage zope.testing commands = coverage run setup.py test -q setenv = COVERAGE_FILE=.coverage.{envname} [testenv:coverage] setenv = COVERAGE_FILE=.coverage skip_install = true commands = coverage erase coverage combine coverage report manuel-1.10.1/.coveragerc0000644000175000017500000000016613373300442014156 0ustar jamesjames[run] branch = True source = manuel omit = */test* [report] show_missing = true exclude_lines = pragma: no cover manuel-1.10.1/.travis.yml0000644000175000017500000000112013373300442014135 0ustar jamesjameslanguage: python matrix: include: - os: linux python: 2.7 - os: linux python: 3.4 - os: linux python: 3.5 - os: linux python: 3.6 - os: linux python: 3.7 dist: xenial sudo: true - os: linux python: pypy - os: linux python: pypy3 install: - travis_retry pip install . - travis_retry pip install coverage coveralls zope.testing script: - coverage run setup.py test -q notifications: email: false after_success: - coveralls manuel-1.10.1/.gitignore0000644000175000017500000000020213373300442014014 0ustar jamesjames.installed.cfg bin/ develop-eggs/ dist/ docs/ src/manuel.egg-info/ parts/ *.pyc __pycache__/ .tox/ .coverage coverage.xml htmlcov manuel-1.10.1/LICENSE.rst0000644000175000017500000002613613373300442013656 0ustar jamesjames Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. 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See the License for the specific language governing permissions and limitations under the License. manuel-1.10.1/buildout.cfg0000644000175000017500000000301513373300442014341 0ustar jamesjames[buildout] develop = . parts = test interpreter sphinx-docs-html build-docs #allow-picked-versions = false use-dependency-links = false [test] recipe = zc.recipe.testrunner eggs = manuel [tests] defaults = '--tests-pattern tests --exit-with-status -1 --auto-color'.split() working-directory = ${buildout:directory} [interpreter] recipe = zc.recipe.egg eggs = manuel interpreter = py # generate a script that will build the user docs (HTML) [sphinx-docs-html] recipe = zc.recipe.egg:script eggs = docutils Sphinx setuptools scripts = sphinx-build=docs base-sphinx-args = ('-N -c ${buildout:directory}/sphinx ${buildout:directory}/src/manuel ${buildout:directory}/docs'.split()) arguments = sys.argv + ${sphinx-docs-html:base-sphinx-args} initialization = # build the (HTML) user docs each time the buildout is run [build-docs] recipe = iw.recipe.cmd on_install = true on_update = true cmds = ${buildout:directory}/bin/docs [versions] Babel = 2.4.0 Jinja2 = 2.9.6 MarkupSafe = 1.0 Pygments = 2.2.0 Sphinx = 1.5.5 alabaster = 0.7.10 docutils = 0.13.1 iw.recipe.cmd = 0.3 pytz = 2016.10 requests = 2.13.0 snowballstemmer = 1.2.1 zc.buildout = 2.9.4 zc.recipe.egg = 2.0.4 zc.recipe.testrunner = 2.0.0 zope.testing = 4.6.2 # Required by: # Sphinx==1.5.5 imagesize = 0.7.1 # Required by: # manuel==0 # zope.testrunner==4.7.0 six = 1.10.0 # Required by: # zope.testrunner==4.7.0 zope.exceptions = 4.1.0 # Required by: # zope.testrunner==4.7.0 zope.interface = 4.4.2 # Required by: # zc.recipe.testrunner==2.0.0 zope.testrunner = 4.7.0 manuel-1.10.1/.coveralls.yaml0000644000175000017500000000005613373300442014767 0ustar jamesjamesrepo_token: KSGERiTYQ51Efz265Uivz00izkUkiBMUp manuel-1.10.1/COPYRIGHT.rst0000644000175000017500000000057213373300442014140 0ustar jamesjamesCopyright Benji York and Contributors. All Rights Reserved. This software is subject to the provisions of the Apache License, Version 2.0. THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE. manuel-1.10.1/sphinx/0000755000175000017500000000000013373300442013343 5ustar jamesjamesmanuel-1.10.1/sphinx/conf.py0000644000175000017500000000052113373300442014640 0ustar jamesjamessource_suffix = '.txt' master_doc = 'index' project = 'Manuel' copyright = 'Benji York' version = '1' release = '1' today_fmt = '%Y-%m-%d' pygments_style = 'sphinx' html_last_updated_fmt = '%Y-%m-%d' html_title = 'Manuel Documentation' todo_include_todos = False exclude_dirnames = ['manuel.egg-info'] unused_docs = ['manuel/capture'] manuel-1.10.1/setup.py0000644000175000017500000000402613373300442013546 0ustar jamesjames############################################################################## # # Copyright Benji York and Contributors. # All Rights Reserved. # # This software is subject to the provisions of the Apache License, Version # 2.0. # # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS # FOR A PARTICULAR PURPOSE. # ############################################################################## """Setup for manuel package.""" from setuptools import setup, find_packages with open('README.rst') as readme: with open('CHANGES.rst') as changes: long_description = readme.read() + '\n\n' + changes.read() tests_require = ['zope.testing'] setup( name='manuel', version='1.10.1', url='http://pypi.python.org/pypi/manuel', packages=find_packages('src'), package_dir={'': 'src'}, zip_safe=False, author='Benji York', author_email='benji@benjiyork.com', description='Manuel lets you build tested documentation.', classifiers=[ 'Programming Language :: Python :: 2', 'Programming Language :: Python :: 2.7', 'Programming Language :: Python :: 3', 'Programming Language :: Python :: 3.4', 'Programming Language :: Python :: 3.5', 'Programming Language :: Python :: 3.6', 'Programming Language :: Python :: 3.7', 'Programming Language :: Python :: Implementation :: CPython', 'Programming Language :: Python :: Implementation :: PyPy', 'License :: OSI Approved :: Apache Software License', ], license='Apache Software License, Version 2.0', extras_require={ 'tests': tests_require, }, tests_require=tests_require, test_suite='manuel.tests.test_suite', install_requires=[ 'setuptools', 'six', ], include_package_data=True, long_description=long_description, keywords=['testing', 'documentation'], )