예제 #1
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 def setUp(self):
     """
     Sets up a temporary AST for use with our unit tests.
     """
     self.options = TestDoxypypy.__Options(True, True, False,
                                           'dummy', 'dummy', 4)
     self.dummyWalker = AstWalker(TestDoxypypy.__dummySrc,
                                  self.options, 'dummy.py')
예제 #2
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 def readAndParseFile(inFilename, options):
     """
     Helper function to read and parse a given file and create an AST walker.
     """
     # Read contents of input file.
     inFile = open(inFilename)
     lines = inFile.readlines()
     inFile.close()
     # Create the abstract syntax tree for the input file.
     testWalker = AstWalker(lines, options, inFilename)
     testWalker.parseLines()
     # Output the modified source.
     return testWalker.getLines()
예제 #3
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 def snippetComparison(self, sampleSnippets):
     """
     Compare docstring parsing for a list of code snippets.
     """
     for snippetTest in sampleSnippets:
         testWalker = AstWalker(snippetTest['inputCode'].split(linesep),
                                self.options, snippetTest['name'] + '.py')
         funcAst = parse(snippetTest['inputCode'])
         getattr(testWalker, snippetTest['visitor'])(funcAst.body[0])
         self.assertEqual(testWalker.lines, snippetTest['expectedOutput'])
예제 #4
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class TestDoxypypy(unittest.TestCase):
    """
    Define our doxypypy tests.
    """

    __Options = namedtuple(
        'Options',
        'autobrief autocode debug fullPathNamespace topLevelNamespace tablength'
    )
    __dummySrc = [
        "print('testing: one, two, three, & four') " + linesep,
        "print('is five.')\t" + linesep
    ]
    __strippedDummySrc = linesep.join([
        "print('testing: one, two, three, & four')",
        "print('is five.')"
    ])
    __sampleBasics = [
        {
            'name': 'onelinefunction',
            'visitor': 'visit_FunctionDef',
            'inputCode': '''def testFunctionOneLine():
                """Here is the brief."""''',
            'expectedOutput': [
                '## @brief Here is the brief.\n# @namespace dummy.testFunctionOneLine',
                'def testFunctionOneLine():'
            ]
        }, {
            'name': 'onelineclass',
            'visitor': 'visit_ClassDef',
            'inputCode': '''class testClassOneLine(object):
                """Here is the brief."""''',
            'expectedOutput': [
                '## @brief Here is the brief.\n# @namespace dummy.testClassOneLine',
                'class testClassOneLine(object):'
            ]
        }, {
            'name': 'basicfunction',
            'visitor': 'visit_FunctionDef',
            'inputCode': '''def testFunctionBrief():
                """Here is the brief.

                Here is the body. Unlike the brief
                it has multiple lines."""''',
            'expectedOutput': [
                '## @brief Here is the brief.',
                '#',
                '#                Here is the body. Unlike the brief',
                '#                it has multiple lines.\n# @namespace dummy.testFunctionBrief',
                'def testFunctionBrief():'
            ]
        }, {
            'name': 'basicclass',
            'visitor': 'visit_ClassDef',
            'inputCode': '''class testClassBrief(object):
                """Here is the brief.

                Here is the body. Unlike the brief
                it has multiple lines."""''',
            'expectedOutput': [
                '## @brief Here is the brief.',
                '#',
                '#                Here is the body. Unlike the brief',
                '#                it has multiple lines.\n# @namespace dummy.testClassBrief',
                'class testClassBrief(object):'
            ]
        }, {
            'name': 'basicfunctionnobrief',
            'visitor': 'visit_FunctionDef',
            'inputCode': '''def testFunctionNoBrief():
                """Here is the body. It's not a brief as
                it has multiple lines."""''',
            'expectedOutput': [
                "##Here is the body. It's not a brief as",
                '#                it has multiple lines.\n# @namespace dummy.testFunctionNoBrief',
                'def testFunctionNoBrief():'
            ]
        }, {
            'name': 'basicclassnobrief',
            'visitor': 'visit_ClassDef',
            'inputCode': '''class testClassNoBrief(object):
                """Here is the body. It's not a brief as
                it has multiple lines."""''',
            'expectedOutput': [
                "##Here is the body. It's not a brief as",
                '#                it has multiple lines.\n# @namespace dummy.testClassNoBrief',
                'class testClassNoBrief(object):'
            ]
        }
    ]
    __sampleArgs = [
        {
            'name': 'onearg',
            'visitor': 'visit_FunctionDef',
            'inputCode': '''def testFunctionArg(arg):
                """Here is the brief.
                Args:
                arg -- a test argument."""''',
            'expectedOutput': [
                '## @brief Here is the brief.',
                '#',
                '# @param\t\targ\ta test argument.\n# @namespace dummy.testFunctionArg',
                'def testFunctionArg(arg):'
            ]
        }, {
            'name': 'multipleargs',
            'visitor': 'visit_FunctionDef',
            'inputCode': '''def testFunctionArgs(arg1, arg2, arg3):
                """Here is the brief.
                Arguments:
                arg1: a test argument.
                arg2: another test argument.
                arg3: yet another test argument."""''',
            'expectedOutput': [
                '## @brief Here is the brief.',
                '#',
                '# @param\t\targ1\ta test argument.',
                '# @param\t\targ2\tanother test argument.',
                '# @param\t\targ3\tyet another test argument.\n# @namespace dummy.testFunctionArgs',
                'def testFunctionArgs(arg1, arg2, arg3):'
            ]
        }, {
            'name': 'multiplelineargs',
            'visitor': 'visit_FunctionDef',
            'inputCode': '''def testFunctionArgsMulti(
                        arg1,
                        arg2,
                        arg3
                    ):
                """Here is the brief.
                Arguments:
                arg1: a test argument.
                arg2: another test argument.
                arg3: yet another test argument."""''',
            'expectedOutput': [
                '## @brief Here is the brief.',
                '#',
                '# @param\t\targ1\ta test argument.',
                '# @param\t\targ2\tanother test argument.',
                '# @param\t\targ3\tyet another test argument.\n# @namespace dummy.testFunctionArgsMulti',
                'def testFunctionArgsMulti(',
                '                        arg1,',
                '                        arg2,',
                '                        arg3',
                '                    ):'
            ]
        }
    ]
    __sampleAttrs = [
        {
            'name': 'oneattr',
            'visitor': 'visit_ClassDef',
            'inputCode': '''class testClassAttr(object):
                """Here is the brief.
                Attributes:
                attr -- a test attribute."""''',
            'expectedOutput': [
                '## @brief Here is the brief.',
                '#\n# @namespace dummy.testClassAttr',
                'class testClassAttr(object):',
                '\n## @property\t\tattr\n# a test attribute.'
            ]
        }, {
            'name': 'multipleattrs',
            'visitor': 'visit_ClassDef',
            'inputCode': '''class testClassArgs(object):
                """Here is the brief.
                Attributes:
                attr1: a test attribute.
                attr2: another test attribute.
                attr3: yet another test attribute."""''',
            'expectedOutput': [
                '## @brief Here is the brief.',
                '#\n# @namespace dummy.testClassArgs',
                'class testClassArgs(object):',
                '\n## @property\t\tattr1\n# a test attribute.',
                '\n## @property\t\tattr2\n# another test attribute.',
                '\n## @property\t\tattr3\n# yet another test attribute.'
            ]
        }
    ]
    __sampleReturns = [
        {
            'name': 'returns',
            'visitor': 'visit_FunctionDef',
            'inputCode': '''def testFunctionReturns():
                """Here is the brief.
                Returns:
                Good stuff."""''',
            'expectedOutput': [
                '## @brief Here is the brief.',
                '# @return',
                '#                Good stuff.\n# @namespace dummy.testFunctionReturns',
                'def testFunctionReturns():'
            ]
        }, {
            'name': 'yields',
            'visitor': 'visit_FunctionDef',
            'inputCode': '''def testFunctionYields():
                """Here is the brief.
                Yields:
                Good stuff."""''',
            'expectedOutput': [
                '## @brief Here is the brief.',
                '# @return',
                '#                Good stuff.\n# @namespace dummy.testFunctionYields',
                'def testFunctionYields():'
            ]
        }
    ]
    __sampleRaises = [
        {
            'name': 'oneraises',
            'visitor': 'visit_FunctionDef',
            'inputCode': '''def testFunctionRaisesOne():
                """Here is the brief.
                Raises:
                MyException: bang bang a boom."""''',
            'expectedOutput': [
                '## @brief Here is the brief.',
                '#',
                '# @exception\t\tMyException\tbang bang a boom.\n# @namespace dummy.testFunctionRaisesOne',
                'def testFunctionRaisesOne():'
            ]
        }, {
            'name': 'multipleraises',
            'visitor': 'visit_FunctionDef',
            'inputCode': '''def testFunctionRaisesMultiple():
                """Here is the brief.
                Raises:
                MyException1 -- bang bang a boom.
                MyException2 -- crash.
                MyException3 -- splatter."""''',
            'expectedOutput': [
                '## @brief Here is the brief.',
                '#',
                '# @exception\t\tMyException1\tbang bang a boom.',
                '# @exception\t\tMyException2\tcrash.',
                '# @exception\t\tMyException3\tsplatter.\n# @namespace dummy.testFunctionRaisesMultiple',
                'def testFunctionRaisesMultiple():'
            ]
        }, {
            'name': 'oneraisesclass',
            'visitor': 'visit_ClassDef',
            'inputCode': '''class testClassRaisesOne(object):
                """Here is the brief.
                Raises:
                MyException: bang bang a boom."""''',
            'expectedOutput': [
                '## @brief Here is the brief.',
                '#',
                '# @exception\t\tMyException\tbang bang a boom.\n# @namespace dummy.testClassRaisesOne',
                'class testClassRaisesOne(object):'
            ]
        }, {
            'name': 'multipleraisesclass',
            'visitor': 'visit_ClassDef',
            'inputCode': '''class testClassRaisesMultiple(object):
                """Here is the brief.
                Raises:
                MyException1 -- bang bang a boom.
                MyException2 -- crash.
                MyException3 -- splatter."""''',
            'expectedOutput': [
                '## @brief Here is the brief.',
                '#',
                '# @exception\t\tMyException1\tbang bang a boom.',
                '# @exception\t\tMyException2\tcrash.',
                '# @exception\t\tMyException3\tsplatter.\n# @namespace dummy.testClassRaisesMultiple',
                'class testClassRaisesMultiple(object):'
            ]
        }
    ]

    def setUp(self):
        """
        Sets up a temporary AST for use with our unit tests.
        """
        self.options = TestDoxypypy.__Options(True, True, False,
                                              'dummy', 'dummy', 4)
        self.dummyWalker = AstWalker(TestDoxypypy.__dummySrc,
                                     self.options, 'dummy.py')

    def test_stripOutAnds(self):
        """
        Test the stripOutAnds method.
        """
        testPairs = {
            'This and that.': 'This that.',
            'This & that.': 'This that.',
            'This, that, & more.': 'This, that, more.',
            'This and that & etc.': 'This that etc.',
            'Handy.': 'Handy.',
            'This, that, &c.': 'This, that, &c.'
        }
        for pair in testPairs.items():
            self.assertEqual(self.dummyWalker._stripOutAnds(pair[0]), pair[1])

    def test_endCodeIfNeeded(self):
        """
        Test the endCodeIfNeeded method.
        """
        testPairs = {
            ('unu', False): ('unu', False),
            ('du', True): ('# @endcode' + linesep + 'du', False),
            ('tri kvar', True): ('# @endcode' + linesep + 'tri kvar', False),
            ('kvin  \t', True): ('# @endcode' + linesep + 'kvin', False)
        }
        for pair in testPairs.items():
            self.assertEqual(self.dummyWalker._endCodeIfNeeded(*pair[0]),
                             pair[1])

    def test_checkIfCode(self):
        """
        Tests the checkIfCode method on the code side.
        """
        testPairs = [
            (
                [
                    'This is prose, not code.',
                    '...',
                    '>>> print("Now we have code.")'
                ], [
                    'This is prose, not code.',
                    '...{0}# @code{0}'.format(linesep),
                    '>>> print("Now we have code.")'
                ]
            ), (
                [
                    'This is prose, not code.',
                    'Traceback: frobnotz failure',
                    '>>> print("Now we have code.")'
                ], [
                    'This is prose, not code.',
                    'Traceback: frobnotz failure{0}# @code{0}'.format(linesep),
                    '>>> print("Now we have code.")'
                ]
            ), (
                [
                    'This is prose, not code.',
                    '>>> print("Now we have code.")'
                ], [
                    'This is prose, not code.{0}# @code{0}'.format(linesep),
                    '>>> print("Now we have code.")'
                ]
            ), (
                [
                    'This is prose, not code.',
                    'This is still prose, not code.',
                    'Another line of prose to really be sure.',
                    'Ditto again, still prose.',
                    '>>> print("Now we have code.")'
                ], [
                    'This is prose, not code.',
                    'This is still prose, not code.',
                    'Another line of prose to really be sure.',
                    'Ditto again, still prose.{0}# @code{0}'.format(linesep),
                    '>>> print("Now we have code.")'
                ]
            )
        ]
        for testLines, outputLines in testPairs:
            codeChecker = self.dummyWalker._checkIfCode(False)
            for lineNum, line in enumerate(testLines):
                codeChecker.send((line, testLines, lineNum))
            self.assertEqual(testLines, outputLines)

    def test_checkIfProse(self):
        """
        Tests the checkIfCode method on the prose side.
        """
        testPairs = [
            (
                [
                    '...',
                    'This is prose, not code.'
                ], [
                    '...{0}# @endcode{0}'.format(linesep),
                    'This is prose, not code.'
                ]
            ), (
                [
                    'Traceback: frobnotz error',
                    'This is prose, not code.'
                ], [
                    'Traceback: frobnotz error{0}# @endcode{0}'.format(linesep),
                    'This is prose, not code.'
                ]
            ), (
                [
                    '>>> print("Code.")',
                    'This is prose, not code.'
                ], [
                    '>>> print("Code."){0}# @endcode{0}'.format(linesep),
                    'This is prose, not code.'
                ]
            ), (
                [
                    '>>> myVar = 23',
                    '>>> print(myVar)',
                    '',
                    'This is prose, not code.'
                ], [
                    '>>> myVar = 23',
                    '>>> print(myVar)',
                    '{0}# @endcode{0}'.format(linesep),
                    'This is prose, not code.'
                ]
            ), (
                [
                    '>>> myVar = 23',
                    '>>> print(myVar)',
                    '>>> myVar += 5',
                    '>>> print(myVar)',
                    '',
                    'This is prose, not code.'
                ], [
                    '>>> myVar = 23',
                    '>>> print(myVar)',
                    '>>> myVar += 5',
                    '>>> print(myVar)',
                    '{0}# @endcode{0}'.format(linesep),
                    'This is prose, not code.'
                ]
            )
        ]
        for testLines, outputLines in testPairs:
            proseChecker = self.dummyWalker._checkIfCode(True)
            for lineNum, line in enumerate(testLines):
                proseChecker.send((line, testLines, lineNum))
            self.assertEqual(testLines, outputLines)

    def test_checkMemberName(self):
        """
        Test the checkMemberName method.
        """
        testPairs = {
            'public': None,
            '_protected': 'protected',
            '_stillProtected_': 'protected',
            '__private': 'private',
            '__stillPrivate_': 'private',
            '__notPrivate__': None
        }
        for pair in testPairs.items():
            self.assertEqual(self.dummyWalker._checkMemberName(pair[0]),
                             pair[1])

    def test_getFullPathName(self):
        """
        Test the getFullPathName method.
        """
        self.assertEqual(self.dummyWalker._getFullPathName([('one', 'class')]),
                         [('dummy', 'module'), ('one', 'class')])

    def test_getLines(self):
        """
        Test the getLines method.
        """
        self.assertEqual(self.dummyWalker.getLines(),
                         TestDoxypypy.__strippedDummySrc)

    def test_parseLines(self):
        """
        Test the parseLines method.
        """
        # For our sample data parseLines doesn't change anything.
        self.dummyWalker.parseLines()
        self.assertEqual(self.dummyWalker.getLines(),
                         TestDoxypypy.__strippedDummySrc)

    def snippetComparison(self, sampleSnippets):
        """
        Compare docstring parsing for a list of code snippets.
        """
        for snippetTest in sampleSnippets:
            testWalker = AstWalker(snippetTest['inputCode'].split(linesep),
                                   self.options, snippetTest['name'] + '.py')
            funcAst = parse(snippetTest['inputCode'])
            getattr(testWalker, snippetTest['visitor'])(funcAst.body[0])
            self.assertEqual(testWalker.lines, snippetTest['expectedOutput'])

    def test_sampleBasics(self):
        """
        Tests the proper handling of basic docstrings.
        """
        self.snippetComparison(TestDoxypypy.__sampleBasics)

    def test_sampleArgs(self):
        """
        Tests the proper handling of arguments in function docstrings.
        """
        self.snippetComparison(TestDoxypypy.__sampleArgs)

    def test_sampleAttrs(self):
        """
        Tests the proper handling of attributes in class docstrings.
        """
        self.snippetComparison(TestDoxypypy.__sampleAttrs)

    def test_sampleReturns(self):
        """
        Tests the proper handling of returns and yields in function docstrings.
        """
        self.snippetComparison(TestDoxypypy.__sampleReturns)

    def test_sampleRaises(self):
        """
        Tests the proper handling of raises in function and class docstrings.
        """
        self.snippetComparison(TestDoxypypy.__sampleRaises)

    @staticmethod
    def readAndParseFile(inFilename, options):
        """
        Helper function to read and parse a given file and create an AST walker.
        """
        # Read contents of input file.
        inFile = open(inFilename)
        lines = inFile.readlines()
        inFile.close()
        # Create the abstract syntax tree for the input file.
        testWalker = AstWalker(lines, options, inFilename)
        testWalker.parseLines()
        # Output the modified source.
        return testWalker.getLines()

    def compareAgainstGoldStandard(self, inFilename):
        """
        Read and process the input file and compare its output against the gold
        standard.
        """
        inFilenameBase = splitext(basename(inFilename))[0]
        fullPathNamespace = inFilenameBase.replace(sep, '.')
        trials = (
            ('.out', (True, True, False, fullPathNamespace, inFilenameBase, 4)),
            ('.outnc', (True, False, False, fullPathNamespace, inFilenameBase, 4)),
            ('.outnn', (True, True, False, fullPathNamespace, None, 4)),
            ('.outbare', (False, False, False, fullPathNamespace, None, 4))
        )
        for options in trials:
            output = self.readAndParseFile(inFilename,
                                           TestDoxypypy.__Options(*options[1]))
            goldFilename = splitext(inFilename)[0] + options[0] + '.py'
            goldFile = open(goldFilename)
            goldContentLines = goldFile.readlines()
            goldFile.close()
            # We have to go through some extra processing to ensure line endings
            # match across platforms.
            goldContent = linesep.join(line.rstrip()
                                       for line in goldContentLines)
            self.assertEqual(output.rstrip(linesep), goldContent.rstrip(linesep))

    def test_pepProcessing(self):
        """
        Test the basic example included in PEP 257.
        """
        sampleName = 'doxypypy/test/sample_pep.py'
        self.compareAgainstGoldStandard(sampleName)

    def test_privacyProcessing(self):
        """
        Test an example with different combinations of public, protected, and
        private.
        """
        sampleName = 'doxypypy/test/sample_privacy.py'
        self.compareAgainstGoldStandard(sampleName)

    def test_googleProcessing(self):
        """
        Test the examples in the Google Python Style Guide.
        """
        sampleName = 'doxypypy/test/sample_google.py'
        self.compareAgainstGoldStandard(sampleName)

    def test_rawdocstringProcessing(self):
        """
        Test raw docstrings.
        """
        sampleName = 'doxypypy/test/sample_rawdocstring.py'
        self.compareAgainstGoldStandard(sampleName)

    def test_sectionsProcessing(self):
        """
        Test arbitrary sections handling.
        """
        sampleName = 'doxypypy/test/sample_sections.py'
        self.compareAgainstGoldStandard(sampleName)

    def test_docExampleProcessing(self):
        """
        Test the basic example used in the doxypypy docs.
        """
        sampleName = 'doxypypy/test/sample_docexample.py'
        self.compareAgainstGoldStandard(sampleName)

    def test_interfaceProcessing(self):
        """
        Test an example with ZOPE style interfaces.
        """
        sampleName = 'doxypypy/test/sample_interfaces.py'
        self.compareAgainstGoldStandard(sampleName)

    def test_maze(self):
        """
        Test a basic example inspired by the Commodore one-liner.
        """
        sampleName = 'doxypypy/test/sample_maze.py'
        self.compareAgainstGoldStandard(sampleName)