RegexTests.test_int_expected_got() - Code Metrics - Inspection of "Add tests for missing conversions to int" - SylvainDe/DidYouMean-Python - Measure and Improve Code Quality continuously with Scrutinizer

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by De

created 2017-01-03 21:43 UTC

RegexTests.test_int_expected_got() A

↳ Parent: RegexTests

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loc	10
rs	9.4285
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# -*- coding: utf-8
"""Unit tests for regexps from didyoumean_re.py."""
import unittest2
import didyoumean_re as re
import sys

NO_GROUP = ((), dict())
# Various technical flags to check more that meet the eyes in tests
# Flag used to check that a text only match the expected regexp and not
# the other to ensure we do not have ambiguous/double regexp matching.
CHECK_OTHERS_DONT_MATCH = True
# Flag to check that the regexp provided does correspond to a regexp
# listed in re.ALL_REGEXPS
CHECK_RE_LISTED = True
# Flag to check that the name used for the regexp in re.ALL_REGEXPS
# does match the naming convention
CHECK_RE_NAME = True
# Flag to check that the regex does match a few conventions such as:
# stars with ^, ends with $.
CHECK_RE_VALUE = True


class RegexTests(unittest2.TestCase):
    """Tests to check that error messages match the regexps."""

    def re_matches(self, text, regexp, results):
        """Check that text matches regexp and gives the right match groups.

        result is a tuple containing the expected return values for groups()
        and groupdict().
        """
        groups, named_groups = results
        self.assertRegexpMatches(text, regexp)   # does pretty printing
        match = re.match(regexp, text)
        self.assertTrue(match)
        self.assertEqual(groups, match.groups())
        self.assertEqual(named_groups, match.groupdict())
        self.check_more_about_re(text, regexp)

    def check_more_about_re(self, text, regexp):
        """Check various properties about the regexp.

        Properties checked are configurable via global constants. These
        properties are not stricly speaking required but they help to
        detect potential issues much more quickly.
        """
        if CHECK_RE_VALUE:
            self.assertTrue(regexp.startswith('^'))
            self.assertTrue(regexp.endswith('$'))
        found = False
        for other_name, other_re in re.ALL_REGEXPS.items():
            if other_re == regexp:
                found = True
                if CHECK_RE_NAME:
                    self.assertTrue(other_name.endswith('_RE'))
            elif CHECK_OTHERS_DONT_MATCH:
                details = "text '%s' matches %s (on top of %s)" % \
                        (text, other_name, regexp)
                self.assertNotRegexpMatches(text, other_re, details)
                no_match = re.match(other_re, text)
                self.assertEqual(no_match, None, details)
        if CHECK_RE_LISTED:
            self.assertTrue(found)

    def test_unbound_assignment(self):
        """Test VARREFBEFOREASSIGN_RE."""
        msgs = [
            # Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
            "local variable 'some_var' referenced before assignment",
            "free variable 'some_var' referenced before assignment " \
            "in enclosing scope",
        ]
        groups = ('some_var',)
        named_groups = {'name': 'some_var'}
        results = (groups, named_groups)
        for msg in msgs:
            self.re_matches(msg, re.VARREFBEFOREASSIGN_RE, results)

    def test_name_not_defined(self):
        """Test NAMENOTDEFINED_RE."""
        msgs = [
            # Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy3
            "name 'some_name' is not defined",
            # Python 2.6/2.7/3.2/3.3/PyPy/PyPy3
            "global name 'some_name' is not defined",
        ]
        groups = ('some_name',)
        named_groups = {'name': 'some_name'}
        for msg in msgs:
            self.re_matches(msg, re.NAMENOTDEFINED_RE, (groups, named_groups))

    def test_attribute_error(self):
        """Test ATTRIBUTEERROR_RE."""
        group_msg = {
            ('some.class', 'attri'): [
                # Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
                "'some.class' object has no attribute 'attri'",
            ],
            ('SomeClass', 'attri'): [
                # Python 2.6/2.7/PyPy
                "SomeClass instance has no attribute 'attri'",
                # Python 2.6/2.7
                "class SomeClass has no attribute 'attri'",
                # Python 3.2/3.3/3.4/3.5
                "type object 'SomeClass' has no attribute 'attri'",
            ],
        }
        for group, msgs in group_msg.items():
            for msg in msgs:
                self.re_matches(msg, re.ATTRIBUTEERROR_RE, (group, dict()))

    def test_module_attribute_error(self):
        """Test MODULEHASNOATTRIBUTE_RE."""
        # Python 3.5
        msg = "module 'some_module' has no attribute 'attri'"
        group = ('some_module', 'attri')
        self.re_matches(msg, re.MODULEHASNOATTRIBUTE_RE, (group, dict()))

    def test_cannot_import(self):
        """Test CANNOTIMPORT_RE."""
        msgs = [
            # Python 2.6/2.7/3.2/3.3
            "cannot import name pie",
            # Python 3.4/3.5/PyPy/PyPy3
            "cannot import name 'pie'",
        ]
        groups = ('pie',)
        for msg in msgs:
            self.re_matches(msg, re.CANNOTIMPORT_RE, (groups, dict()))

    def test_no_module_named(self):
        """Test NOMODULE_RE."""
        msgs = [
            # Python 2.6/2.7/3.2/PyPy/PyPy3
            "No module named fake_module",
            # Python 3.3/3.4/3.5
            "No module named 'fake_module'",
        ]
        groups = ('fake_module',)
        for msg in msgs:
            self.re_matches(msg, re.NOMODULE_RE, (groups, dict()))

    def test_index_out_of_range(self):
        """Test INDEXOUTOFRANGE_RE."""
        # Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
        msg = "list index out of range"
        self.re_matches(msg, re.INDEXOUTOFRANGE_RE, NO_GROUP)

    def test_unsubscriptable(self):
        """Test UNSUBSCRIPTABLE_RE."""
        msgs = [
            # Python 2.6
            "'function' object is unsubscriptable",
            # Python 3.2/3.3/3.4/3.5/PyPy/PyPy3
            "'function' object is not subscriptable",
        ]
        groups = ('function',)
        for msg in msgs:
            self.re_matches(msg, re.UNSUBSCRIPTABLE_RE, (groups, dict()))

    def test_unexpected_kw_arg(self):
        """Test UNEXPECTED_KEYWORDARG_RE."""
        # Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
        msgs = [
            ("some_func() got an unexpected keyword argument 'a'",
                ('some_func', 'a')),
            ("<lambda>() got an unexpected keyword argument 'a'",
                ('<lambda>', 'a')),
        ]
        for msg, groups in msgs:
            self.re_matches(msg, re.UNEXPECTED_KEYWORDARG_RE, (groups, dict()))

    def test_unexpected_kw_arg2(self):
        """Test UNEXPECTED_KEYWORDARG2_RE."""
        # Python 2.6/2.7/3.2/3.3/3.4/3.5
        msg = "'this_doesnt_exist' is an invalid " \
            "keyword argument for this function"
        groups = ('this_doesnt_exist', )
        self.re_matches(msg, re.UNEXPECTED_KEYWORDARG2_RE, (groups, dict()))

    def test_unexpected_kw_arg3(self):
        """Test UNEXPECTED_KEYWORDARG3_RE."""
        # PyPy/PyPy3
        msg = "invalid keyword arguments to print()"
        groups = ('print', )
        self.re_matches(msg, re.UNEXPECTED_KEYWORDARG3_RE, (groups, dict()))

    def test_zero_length_field(self):
        """Test ZERO_LEN_FIELD_RE."""
        # Python 2.6
        msg = "zero length field name in format"
        self.re_matches(msg, re.ZERO_LEN_FIELD_RE, NO_GROUP)

    def test_math_domain_error(self):
        """Test MATH_DOMAIN_ERROR_RE."""
        # Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
        msg = "math domain error"
        self.re_matches(msg, re.MATH_DOMAIN_ERROR_RE, NO_GROUP)

    def test_too_many_values(self):
        """Test TOO_MANY_VALUES_UNPACK_RE."""
        msgs = [
            # Python 2.6/2.7
            "too many values to unpack",
            # Python 3.2/3.3/3.4/3.5/PyPy3
            "too many values to unpack (expected 3)",
        ]
        for msg in msgs:
            self.re_matches(msg, re.TOO_MANY_VALUES_UNPACK_RE, NO_GROUP)

    def test_unhashable_type(self):
        """Test UNHASHABLE_RE."""
        msgs = [
            # Python 2.6/2.7/3.2/3.3/3.4/3.5
            "unhashable type: 'list'",
            # PyPy/PyPy3
            "'list' objects are unhashable",
        ]
        groups = ('list',)
        for msg in msgs:
            self.re_matches(msg, re.UNHASHABLE_RE, (groups, dict()))

    def test_cannot_be_interpreted_as_integer(self):
        """Test CANNOT_BE_INTERPRETED_INT_RE."""
        msgs = {
            "'str' object cannot be interpreted as an integer": 'str',
            "'list' object cannot be interpreted as an integer": 'list',
        }
        for msg, typ in msgs.items():
            results = ((typ,), dict())
            self.re_matches(msg, re.CANNOT_BE_INTERPRETED_INT_RE, results)

    def test_int_expected_got(self):
        """Test INTEGER_EXPECTED_GOT_RE."""
        msgs = {
            "expected integer, got str object": 'str',
            "range() integer end argument expected, got list.": 'list',
            "range() integer start argument expected, got list.": 'list',
        }
        for msg, typ in msgs.items():
            results = ((typ,), dict())
            self.re_matches(msg, re.INTEGER_EXPECTED_GOT_RE, results)

    def test_indices_must_be_int(self):
        """Test INDICES_MUST_BE_INT_RE."""
        msgs = {
            # Python 2.6, 2.7, 3.2, 3.3, 3.4
            "list indices must be integers, not str": "str",
            "list indices must be integers or slices, not str": "str",
            # Python 3.5
            "tuple indices must be integers or slices, not str": "str",
            # PyPy
            "list index must be an integer, not str": "str",
        }
        for msg, typ in msgs.items():
            results = ((typ,), dict())
            self.re_matches(msg, re.INDICES_MUST_BE_INT_RE, results)

    def test_outside_function(self):
        """Test OUTSIDE_FUNCTION_RE."""
        msgs = [
            # Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
            "'return' outside function",
            # PyPy/PyPy3
            "return outside function",
        ]
        groups = ('return',)
        for msg in msgs:
            self.re_matches(msg, re.OUTSIDE_FUNCTION_RE, (groups, dict()))

    def test_nb_positional_argument(self):
        """Test NB_ARG_RE."""
        msgs = [
            # Python 2.6/2.7/PyPy/PyPy3
            ("some_func() takes exactly 1 argument (2 given)",
                '1', '2'),
            ("some_func() takes exactly 3 arguments (1 given)",
                '3', '1'),
            ("some_func() takes no arguments (1 given)",
                'no', '1'),
            ("some_func() takes at least 2 non-keyword arguments (0 given)",
                '2', '0'),
            # Python 3.2
            ("some_func() takes exactly 1 positional argument (2 given)",
                '1', '2'),
            # Python 3.3/3.4/3.5
            ("some_func() takes 1 positional argument but 2 were given",
                '1', '2'),
            ("some_func() takes 0 positional arguments but 1 was given",
                '0', '1'),
            # PyPy adds suggestions sometimes:
            ("some_func() takes no arguments (1 given)"
             ". Did you forget 'self' in the function definition?",
                'no', '1'),
        ]
        for msg, exp, nb in msgs:
            groups = ('some_func', exp, nb)
            self.re_matches(msg, re.NB_ARG_RE, (groups, dict()))

    def test_missing_positional_arg(self):
        """Test MISSING_POS_ARG_RE."""
        msgs = [
            # Python 3.3/3.4/3.5
            "some_func() missing 2 required positional arguments: "
            "'much' and 'args'",
            "some_func() missing 1 required positional argument: "
            "'much'",
        ]
        groups = ('some_func',)
        for msg in msgs:
            self.re_matches(msg, re.MISSING_POS_ARG_RE, (groups, dict()))

    def test_need_more_values_to_unpack(self):
        """Test NEED_MORE_VALUES_RE."""
        msgs = [
            # Python 2.6/2.7/3.2/3.3/3.4/3.5(?)/PyPy3
            "need more than 2 values to unpack",
            # Python 3.5
            "not enough values to unpack (expected 3, got 2)",
        ]
        for msg in msgs:
            self.re_matches(msg, re.NEED_MORE_VALUES_RE, NO_GROUP)

    def test_missing_parentheses(self):
        """Test MISSING_PARENT_RE."""
        # Python 3.4/3.5
        msg = "Missing parentheses in call to 'exec'"
        groups = ('exec',)
        self.re_matches(msg, re.MISSING_PARENT_RE, (groups, dict()))

    def test_invalid_literal(self):
        """Test INVALID_LITERAL_RE."""
        # Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
        msg = "invalid literal for int() with base 10: 'toto'"
        groups = ('int', 'toto')
        self.re_matches(msg, re.INVALID_LITERAL_RE, (groups, dict()))

    def test_invalid_syntax(self):
        """Test INVALID_SYNTAX_RE."""
        # Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy3
        msg = "invalid syntax"
        self.re_matches(msg, re.INVALID_SYNTAX_RE, NO_GROUP)

    def test_invalid_comp(self):
        """Test INVALID_COMP_RE."""
        # PyPy3
        msg = "invalid comparison"
        self.re_matches(msg, re.INVALID_COMP_RE, NO_GROUP)

    def test_expected_length(self):
        """Test EXPECTED_LENGTH_RE."""
        # PyPy
        msg = "expected length 3, got 2"
        groups = ('3', '2')
        self.re_matches(msg, re.EXPECTED_LENGTH_RE, (groups, dict()))

    def test_future_first(self):
        """Test FUTURE_FIRST_RE."""
        msgs = [
            # Python 2.6/2.7/3.2/3.3/3.4/3.5
            "from __future__ imports must occur at the beginning of the file",
            # PyPy/PyPy3
            "__future__ statements must appear at beginning of file",
        ]
        for msg in msgs:
            self.re_matches(msg, re.FUTURE_FIRST_RE, NO_GROUP)

    def test_future_feature_not_def(self):
        """Test FUTURE_FEATURE_NOT_DEF_RE."""
        # Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
        msg = "future feature divisio is not defined"
        groups = ('divisio',)
        self.re_matches(msg, re.FUTURE_FEATURE_NOT_DEF_RE, (groups, dict()))

    def test_result_has_too_many_items(self):
        """Test RESULT_TOO_MANY_ITEMS_RE."""
        # Python 2.6
        msg = "range() result has too many items"
        groups = ('range',)
        self.re_matches(msg, re.RESULT_TOO_MANY_ITEMS_RE, (groups, dict()))

    def test_unqualified_exec(self):
        """Test UNQUALIFIED_EXEC_RE."""
        msgs = [
            # Python 2.6
            "unqualified exec is not allowed in function 'func_name' "
            "it is a nested function",
            # Python 2.7
            "unqualified exec is not allowed in function 'func_name' "
            "because it is a nested function",
            # Python 2.6
            "unqualified exec is not allowed in function 'func_name' "
            "it contains a nested function with free variables",
            # Python 2.7
            "unqualified exec is not allowed in function 'func_name' "
            "because it contains a nested function with free variables",
        ]
        for msg in msgs:
            self.re_matches(msg, re.UNQUALIFIED_EXEC_RE, NO_GROUP)

    def test_import_star(self):
        """Test IMPORTSTAR_RE."""
        msgs = [
            # Python 2.6
            "import * is not allowed in function 'func_name' because it "
            "is contains a nested function with free variables",
            # Python 2.7
            "import * is not allowed in function 'func_name' because it "
            "contains a nested function with free variables",
            # Python 2.6
            "import * is not allowed in function 'func_name' because it "
            "is is a nested function",
            # Python 2.7
            "import * is not allowed in function 'func_name' because it "
            "is a nested function",
            # Python 3
            "import * only allowed at module level"
        ]
        for msg in msgs:
            self.re_matches(msg, re.IMPORTSTAR_RE, NO_GROUP)

    def test_does_not_support(self):
        """Test OBJ_DOES_NOT_SUPPORT_RE."""
        msgs = [
            ("'range' object does not support item assignment",
                ("range", "item assignment")),
            ("'str' object doesn't support item deletion",
                ("str", "item deletion")),
            ("'set' object does not support indexing",
                ("set", "indexing")),
        ]
        for msg, groups in msgs:
            self.re_matches(msg, re.OBJ_DOES_NOT_SUPPORT_RE, (groups, dict()))

    def test_cant_convert(self):
        """Test CANT_CONVERT_RE."""
        msg = "Can't convert 'int' object to str implicitly"
        groups = ('int', 'str')
        self.re_matches(msg, re.CANT_CONVERT_RE, (groups, dict()))

    def test_must_be_type1_not_type2(self):
        """Test MUST_BE_TYPE1_NOT_TYPE2_RE."""
        msg = "must be str, not int"
        groups = ('str', 'int')
        self.re_matches(msg, re.MUST_BE_TYPE1_NOT_TYPE2_RE, (groups, dict()))

    def test_cannot_concat(self):
        """Test CANNOT_CONCAT_RE."""
        msg = "cannot concatenate 'str' and 'int' objects"
        groups = ('str', 'int')
        self.re_matches(msg, re.CANNOT_CONCAT_RE, (groups, dict()))

    def test_unsupported_operand(self):
        """Test UNSUPPORTED_OP_RE."""
        msg = "unsupported operand type(s) for +: 'int' and 'str'"
        groups = ('+', 'int', 'str')
        self.re_matches(msg, re.UNSUPPORTED_OP_RE, (groups, dict()))

    def test_bad_operand_unary(self):
        """Test BAD_OPERAND_UNARY_RE."""
        msgs = [
            ("bad operand type for unary ~: 'set'", ('~', 'set')),
            ("bad operand type for abs(): 'set'", ('abs()', 'set')),
            ("unsupported operand type for unary neg: 'Foobar'",
                ('neg', 'Foobar')),
        ]
        for msg, group in msgs:
            self.re_matches(msg, re.BAD_OPERAND_UNARY_RE, (group, dict()))

    def test_not_callable(self):
        """Test NOT_CALLABLE_RE."""
        msg = "'list' object is not callable"
        groups = ('list',)
        self.re_matches(msg, re.NOT_CALLABLE_RE, (groups, dict()))

    def test_descriptor_requires(self):
        """Test DESCRIPT_REQUIRES_TYPE_RE."""
        msg = "descriptor 'add' requires a 'set' object but received a 'int'"
        groups = ('add', 'set', 'int')
        self.re_matches(
            msg, re.DESCRIPT_REQUIRES_TYPE_RE, (groups, dict()))

    def test_argument_not_iterable(self):
        """Test ARG_NOT_ITERABLE_RE."""
        msgs = [
            # Python 2.6/2.7/3.2/3.3/3.4/3.5
            "argument of type 'type' is not iterable",
            # PyPy/PyPy3
            "'type' object is not iterable"
        ]
        groups = ('type',)
        for msg in msgs:
            self.re_matches(msg, re.ARG_NOT_ITERABLE_RE, (groups, dict()))

    def test_must_be_called_with_instance(self):
        """Test MUST_BE_CALLED_WITH_INST_RE."""
        msg = "unbound method add() must be called with set " \
              "instance as first argument (got int instance instead)"
        groups = ('add', 'set', 'int')
        self.re_matches(
            msg, re.MUST_BE_CALLED_WITH_INST_RE, (groups, dict()))

    def test_object_has_no(self):
        """Test OBJECT_HAS_NO_FUNC_RE."""
        msgs = {
            # Python 2.6/2.7/3.2/3.3/3.4/3.5
            'len': "object of type 'generator' has no len()",
            # PyPy/PyPy3
            'length': "'generator' has no length",
        }
        for name, msg in msgs.items():
            groups = ('generator', name)
            self.re_matches(msg, re.OBJECT_HAS_NO_FUNC_RE, (groups, dict()))

    def test_nobinding_nonlocal(self):
        """Test NO_BINDING_NONLOCAL_RE."""
        msg = "no binding for nonlocal 'foo' found"
        groups = ('foo',)
        self.re_matches(msg, re.NO_BINDING_NONLOCAL_RE, (groups, dict()))

    def test_nonlocal_at_module_level(self):
        """Test NONLOCAL_AT_MODULE_RE."""
        msg = "nonlocal declaration not allowed at module level"
        self.re_matches(msg, re.NONLOCAL_AT_MODULE_RE, NO_GROUP)

    def test_unexpected_eof(self):
        """Test UNEXPECTED_EOF_RE."""
        msg = "unexpected EOF while parsing"
        self.re_matches(msg, re.UNEXPECTED_EOF_RE, NO_GROUP)

    def test_nosuchfile(self):
        """Test NO_SUCH_FILE_RE."""
        msg = "No such file or directory"
        self.re_matches(msg, re.NO_SUCH_FILE_RE, NO_GROUP)

    def test_timedata_does_not_match_format(self):
        """Test TIME_DATA_DOES_NOT_MATCH_FORMAT_RE."""
        msg = "time data '%d %b %y' does not match format '30 Nov 00'"
        # 'time data "%d \'%b %y" does not match format \'30 Nov 00\''
        groups = ("'%d %b %y'", "'30 Nov 00'")
        named_groups = {'format': "'30 Nov 00'", 'timedata': "'%d %b %y'"}
        self.re_matches(msg,
                        re.TIME_DATA_DOES_NOT_MATCH_FORMAT_RE,
                        (groups, named_groups))

    def test_invalid_token(self):
        """Test INVALID_TOKEN_RE."""
        msg = 'invalid token'
        self.re_matches(msg, re.INVALID_TOKEN_RE, NO_GROUP)

    def test_exc_must_derive_from(self):
        """Test EXC_MUST_DERIVE_FROM_RE."""
        msgs = [
            # Python 2.7
            "exceptions must be old-style classes or derived from "
            "BaseException, not NoneType",
            # Python 3.3 / 3.4
            "exceptions must derive from BaseException",
        ]
        for msg in msgs:
            self.re_matches(msg, re.EXC_MUST_DERIVE_FROM_RE, NO_GROUP)

    def test_unorderable_types(self):
        """Test UNORDERABLE_TYPES_RE."""
        msgs = [
            # Python 3.2 to 3.5
            "unorderable types: str() > int()",
            "unorderable types: FoobarClass() <= int()",
            # PyPy
            "unorderable types: FoobarClass > FoobarClass",
        ]
        for msg in msgs:
            self.re_matches(msg, re.UNORDERABLE_TYPES_RE, NO_GROUP)

    def test_op_not_supported_between_instances(self):
        """Test OP_NOT_SUPP_BETWEEN_INSTANCES_RE."""
        msgs = [
            # Python 3.6
            "'<' not supported between instances of 'int' and 'NoneType'",
            "'>' not supported between instances of 'Foo' and 'Foo'",
        ]
        for msg in msgs:
            self.re_matches(msg, re.OP_NOT_SUPP_BETWEEN_INSTANCES_RE, NO_GROUP)

    def test_max_recursion_depth(self):
        """Test MAX_RECURSION_DEPTH_RE."""
        msg = 'maximum recursion depth exceeded'
        self.re_matches(msg, re.MAX_RECURSION_DEPTH_RE, NO_GROUP)

    def test_size_changed_during_iter(self):
        """Test SIZE_CHANGED_DURING_ITER_RE."""
        msgs = {
            "Set": "Set changed size during iteration",
            "dictionnary": "dictionnary changed size during iteration",
        }
        for name, msg in msgs.items():
            groups = (name, )
            self.re_matches(msg,
                            re.SIZE_CHANGED_DURING_ITER_RE,
                            (groups, dict()))

if __name__ == '__main__':
    print(sys.version_info)
    unittest2.main()


1			# -*- coding: utf-8
2			"""Unit tests for regexps from didyoumean_re.py."""
3			import unittest2
4			import didyoumean_re as re
5			import sys
6
7			NO_GROUP = ((), dict())
8			# Various technical flags to check more that meet the eyes in tests
9			# Flag used to check that a text only match the expected regexp and not
10			# the other to ensure we do not have ambiguous/double regexp matching.
11			CHECK_OTHERS_DONT_MATCH = True
12			# Flag to check that the regexp provided does correspond to a regexp
13			# listed in re.ALL_REGEXPS
14			CHECK_RE_LISTED = True
15			# Flag to check that the name used for the regexp in re.ALL_REGEXPS
16			# does match the naming convention
17			CHECK_RE_NAME = True
18			# Flag to check that the regex does match a few conventions such as:
19			# stars with ^, ends with $.
20			CHECK_RE_VALUE = True
21
22
23			class RegexTests(unittest2.TestCase):
24			"""Tests to check that error messages match the regexps."""
25
26			def re_matches(self, text, regexp, results):
27			"""Check that text matches regexp and gives the right match groups.
28
29			result is a tuple containing the expected return values for groups()
30			and groupdict().
31			"""
32			groups, named_groups = results
33			self.assertRegexpMatches(text, regexp) # does pretty printing
34			match = re.match(regexp, text)
35			self.assertTrue(match)
36			self.assertEqual(groups, match.groups())
37			self.assertEqual(named_groups, match.groupdict())
38			self.check_more_about_re(text, regexp)
39
40			def check_more_about_re(self, text, regexp):
41			"""Check various properties about the regexp.
42
43			Properties checked are configurable via global constants. These
44			properties are not stricly speaking required but they help to
45			detect potential issues much more quickly.
46			"""
47			if CHECK_RE_VALUE:
48			self.assertTrue(regexp.startswith('^'))
49			self.assertTrue(regexp.endswith('$'))
50			found = False
51			for other_name, other_re in re.ALL_REGEXPS.items():
52			if other_re == regexp:
53			found = True
54			if CHECK_RE_NAME:
55			self.assertTrue(other_name.endswith('_RE'))
56			elif CHECK_OTHERS_DONT_MATCH:
57			details = "text '%s' matches %s (on top of %s)" % \
58			(text, other_name, regexp)
59			self.assertNotRegexpMatches(text, other_re, details)
60			no_match = re.match(other_re, text)
61			self.assertEqual(no_match, None, details)
62			if CHECK_RE_LISTED:
63			self.assertTrue(found)
64
65			def test_unbound_assignment(self):
66			"""Test VARREFBEFOREASSIGN_RE."""
67			msgs = [
68			# Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
69			"local variable 'some_var' referenced before assignment",
70			"free variable 'some_var' referenced before assignment " \
71			"in enclosing scope",
72			]
73			groups = ('some_var',)
74			named_groups = {'name': 'some_var'}
75			results = (groups, named_groups)
76			for msg in msgs:
77			self.re_matches(msg, re.VARREFBEFOREASSIGN_RE, results)
78
79			def test_name_not_defined(self):
80			"""Test NAMENOTDEFINED_RE."""
81			msgs = [
82			# Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy3
83			"name 'some_name' is not defined",
84			# Python 2.6/2.7/3.2/3.3/PyPy/PyPy3
85			"global name 'some_name' is not defined",
86			]
87			groups = ('some_name',)
88			named_groups = {'name': 'some_name'}
89			for msg in msgs:
90			self.re_matches(msg, re.NAMENOTDEFINED_RE, (groups, named_groups))
91
92			def test_attribute_error(self):
93			"""Test ATTRIBUTEERROR_RE."""
94			group_msg = {
95			('some.class', 'attri'): [
96			# Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
97			"'some.class' object has no attribute 'attri'",
98			],
99			('SomeClass', 'attri'): [
100			# Python 2.6/2.7/PyPy
101			"SomeClass instance has no attribute 'attri'",
102			# Python 2.6/2.7
103			"class SomeClass has no attribute 'attri'",
104			# Python 3.2/3.3/3.4/3.5
105			"type object 'SomeClass' has no attribute 'attri'",
106			],
107			}
108			for group, msgs in group_msg.items():
109			for msg in msgs:
110			self.re_matches(msg, re.ATTRIBUTEERROR_RE, (group, dict()))
111
112			def test_module_attribute_error(self):
113			"""Test MODULEHASNOATTRIBUTE_RE."""
114			# Python 3.5
115			msg = "module 'some_module' has no attribute 'attri'"
116			group = ('some_module', 'attri')
117			self.re_matches(msg, re.MODULEHASNOATTRIBUTE_RE, (group, dict()))
118
119			def test_cannot_import(self):
120			"""Test CANNOTIMPORT_RE."""
121			msgs = [
122			# Python 2.6/2.7/3.2/3.3
123			"cannot import name pie",
124			# Python 3.4/3.5/PyPy/PyPy3
125			"cannot import name 'pie'",
126			]
127			groups = ('pie',)
128			for msg in msgs:
129			self.re_matches(msg, re.CANNOTIMPORT_RE, (groups, dict()))
130
131			def test_no_module_named(self):
132			"""Test NOMODULE_RE."""
133			msgs = [
134			# Python 2.6/2.7/3.2/PyPy/PyPy3
135			"No module named fake_module",
136			# Python 3.3/3.4/3.5
137			"No module named 'fake_module'",
138			]
139			groups = ('fake_module',)
140			for msg in msgs:
141			self.re_matches(msg, re.NOMODULE_RE, (groups, dict()))
142
143			def test_index_out_of_range(self):
144			"""Test INDEXOUTOFRANGE_RE."""
145			# Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
146			msg = "list index out of range"
147			self.re_matches(msg, re.INDEXOUTOFRANGE_RE, NO_GROUP)
148
149			def test_unsubscriptable(self):
150			"""Test UNSUBSCRIPTABLE_RE."""
151			msgs = [
152			# Python 2.6
153			"'function' object is unsubscriptable",
154			# Python 3.2/3.3/3.4/3.5/PyPy/PyPy3
155			"'function' object is not subscriptable",
156			]
157			groups = ('function',)
158			for msg in msgs:
159			self.re_matches(msg, re.UNSUBSCRIPTABLE_RE, (groups, dict()))
160
161			def test_unexpected_kw_arg(self):
162			"""Test UNEXPECTED_KEYWORDARG_RE."""
163			# Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
164			msgs = [
165			("some_func() got an unexpected keyword argument 'a'",
166			('some_func', 'a')),
167			("<lambda>() got an unexpected keyword argument 'a'",
168			('<lambda>', 'a')),
169			]
170			for msg, groups in msgs:
171			self.re_matches(msg, re.UNEXPECTED_KEYWORDARG_RE, (groups, dict()))
172
173			def test_unexpected_kw_arg2(self):
174			"""Test UNEXPECTED_KEYWORDARG2_RE."""
175			# Python 2.6/2.7/3.2/3.3/3.4/3.5
176			msg = "'this_doesnt_exist' is an invalid " \
177			"keyword argument for this function"
178			groups = ('this_doesnt_exist', )
179			self.re_matches(msg, re.UNEXPECTED_KEYWORDARG2_RE, (groups, dict()))
180
181			def test_unexpected_kw_arg3(self):
182			"""Test UNEXPECTED_KEYWORDARG3_RE."""
183			# PyPy/PyPy3
184			msg = "invalid keyword arguments to print()"
185			groups = ('print', )
186			self.re_matches(msg, re.UNEXPECTED_KEYWORDARG3_RE, (groups, dict()))
187
188			def test_zero_length_field(self):
189			"""Test ZERO_LEN_FIELD_RE."""
190			# Python 2.6
191			msg = "zero length field name in format"
192			self.re_matches(msg, re.ZERO_LEN_FIELD_RE, NO_GROUP)
193
194			def test_math_domain_error(self):
195			"""Test MATH_DOMAIN_ERROR_RE."""
196			# Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
197			msg = "math domain error"
198			self.re_matches(msg, re.MATH_DOMAIN_ERROR_RE, NO_GROUP)
199
200			def test_too_many_values(self):
201			"""Test TOO_MANY_VALUES_UNPACK_RE."""
202			msgs = [
203			# Python 2.6/2.7
204			"too many values to unpack",
205			# Python 3.2/3.3/3.4/3.5/PyPy3
206			"too many values to unpack (expected 3)",
207			]
208			for msg in msgs:
209			self.re_matches(msg, re.TOO_MANY_VALUES_UNPACK_RE, NO_GROUP)
210
211			def test_unhashable_type(self):
212			"""Test UNHASHABLE_RE."""
213			msgs = [
214			# Python 2.6/2.7/3.2/3.3/3.4/3.5
215			"unhashable type: 'list'",
216			# PyPy/PyPy3
217			"'list' objects are unhashable",
218			]
219			groups = ('list',)
220			for msg in msgs:
221			self.re_matches(msg, re.UNHASHABLE_RE, (groups, dict()))
222
223			def test_cannot_be_interpreted_as_integer(self):
224			"""Test CANNOT_BE_INTERPRETED_INT_RE."""
225			msgs = {
226			"'str' object cannot be interpreted as an integer": 'str',
227			"'list' object cannot be interpreted as an integer": 'list',
228			}
229			for msg, typ in msgs.items():
230			results = ((typ,), dict())
231			self.re_matches(msg, re.CANNOT_BE_INTERPRETED_INT_RE, results)
232
233			def test_int_expected_got(self):
234			"""Test INTEGER_EXPECTED_GOT_RE."""
235			msgs = {
236			"expected integer, got str object": 'str',
237			"range() integer end argument expected, got list.": 'list',
238			"range() integer start argument expected, got list.": 'list',
239			}
240			for msg, typ in msgs.items():
241			results = ((typ,), dict())
242			self.re_matches(msg, re.INTEGER_EXPECTED_GOT_RE, results)
243
244			def test_indices_must_be_int(self):
245			"""Test INDICES_MUST_BE_INT_RE."""
246			msgs = {
247			# Python 2.6, 2.7, 3.2, 3.3, 3.4
248			"list indices must be integers, not str": "str",
249			"list indices must be integers or slices, not str": "str",
250			# Python 3.5
251			"tuple indices must be integers or slices, not str": "str",
252			# PyPy
253			"list index must be an integer, not str": "str",
254			}
255			for msg, typ in msgs.items():
256			results = ((typ,), dict())
257			self.re_matches(msg, re.INDICES_MUST_BE_INT_RE, results)
258
259			def test_outside_function(self):
260			"""Test OUTSIDE_FUNCTION_RE."""
261			msgs = [
262			# Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
263			"'return' outside function",
264			# PyPy/PyPy3
265			"return outside function",
266			]
267			groups = ('return',)
268			for msg in msgs:
269			self.re_matches(msg, re.OUTSIDE_FUNCTION_RE, (groups, dict()))
270
271			def test_nb_positional_argument(self):
272			"""Test NB_ARG_RE."""
273			msgs = [
274			# Python 2.6/2.7/PyPy/PyPy3
275			("some_func() takes exactly 1 argument (2 given)",
276			'1', '2'),
277			("some_func() takes exactly 3 arguments (1 given)",
278			'3', '1'),
279			("some_func() takes no arguments (1 given)",
280			'no', '1'),
281			("some_func() takes at least 2 non-keyword arguments (0 given)",
282			'2', '0'),
283			# Python 3.2
284			("some_func() takes exactly 1 positional argument (2 given)",
285			'1', '2'),
286			# Python 3.3/3.4/3.5
287			("some_func() takes 1 positional argument but 2 were given",
288			'1', '2'),
289			("some_func() takes 0 positional arguments but 1 was given",
290			'0', '1'),
291			# PyPy adds suggestions sometimes:
292			("some_func() takes no arguments (1 given)"
293			". Did you forget 'self' in the function definition?",
294			'no', '1'),
295			]
296			for msg, exp, nb in msgs:
297			groups = ('some_func', exp, nb)
298			self.re_matches(msg, re.NB_ARG_RE, (groups, dict()))
299
300			def test_missing_positional_arg(self):
301			"""Test MISSING_POS_ARG_RE."""
302			msgs = [
303			# Python 3.3/3.4/3.5
304			"some_func() missing 2 required positional arguments: "
305			"'much' and 'args'",
306			"some_func() missing 1 required positional argument: "
307			"'much'",
308			]
309			groups = ('some_func',)
310			for msg in msgs:
311			self.re_matches(msg, re.MISSING_POS_ARG_RE, (groups, dict()))
312
313			def test_need_more_values_to_unpack(self):
314			"""Test NEED_MORE_VALUES_RE."""
315			msgs = [
316			# Python 2.6/2.7/3.2/3.3/3.4/3.5(?)/PyPy3
317			"need more than 2 values to unpack",
318			# Python 3.5
319			"not enough values to unpack (expected 3, got 2)",
320			]
321			for msg in msgs:
322			self.re_matches(msg, re.NEED_MORE_VALUES_RE, NO_GROUP)
323
324			def test_missing_parentheses(self):
325			"""Test MISSING_PARENT_RE."""
326			# Python 3.4/3.5
327			msg = "Missing parentheses in call to 'exec'"
328			groups = ('exec',)
329			self.re_matches(msg, re.MISSING_PARENT_RE, (groups, dict()))
330
331			def test_invalid_literal(self):
332			"""Test INVALID_LITERAL_RE."""
333			# Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
334			msg = "invalid literal for int() with base 10: 'toto'"
335			groups = ('int', 'toto')
336			self.re_matches(msg, re.INVALID_LITERAL_RE, (groups, dict()))
337
338			def test_invalid_syntax(self):
339			"""Test INVALID_SYNTAX_RE."""
340			# Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy3
341			msg = "invalid syntax"
342			self.re_matches(msg, re.INVALID_SYNTAX_RE, NO_GROUP)
343
344			def test_invalid_comp(self):
345			"""Test INVALID_COMP_RE."""
346			# PyPy3
347			msg = "invalid comparison"
348			self.re_matches(msg, re.INVALID_COMP_RE, NO_GROUP)
349
350			def test_expected_length(self):
351			"""Test EXPECTED_LENGTH_RE."""
352			# PyPy
353			msg = "expected length 3, got 2"
354			groups = ('3', '2')
355			self.re_matches(msg, re.EXPECTED_LENGTH_RE, (groups, dict()))
356
357			def test_future_first(self):
358			"""Test FUTURE_FIRST_RE."""
359			msgs = [
360			# Python 2.6/2.7/3.2/3.3/3.4/3.5
361			"from __future__ imports must occur at the beginning of the file",
362			# PyPy/PyPy3
363			"__future__ statements must appear at beginning of file",
364			]
365			for msg in msgs:
366			self.re_matches(msg, re.FUTURE_FIRST_RE, NO_GROUP)
367
368			def test_future_feature_not_def(self):
369			"""Test FUTURE_FEATURE_NOT_DEF_RE."""
370			# Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
371			msg = "future feature divisio is not defined"
372			groups = ('divisio',)
373			self.re_matches(msg, re.FUTURE_FEATURE_NOT_DEF_RE, (groups, dict()))
374
375			def test_result_has_too_many_items(self):
376			"""Test RESULT_TOO_MANY_ITEMS_RE."""
377			# Python 2.6
378			msg = "range() result has too many items"
379			groups = ('range',)
380			self.re_matches(msg, re.RESULT_TOO_MANY_ITEMS_RE, (groups, dict()))
381
382			def test_unqualified_exec(self):
383			"""Test UNQUALIFIED_EXEC_RE."""
384			msgs = [
385			# Python 2.6
386			"unqualified exec is not allowed in function 'func_name' "
387			"it is a nested function",
388			# Python 2.7
389			"unqualified exec is not allowed in function 'func_name' "
390			"because it is a nested function",
391			# Python 2.6
392			"unqualified exec is not allowed in function 'func_name' "
393			"it contains a nested function with free variables",
394			# Python 2.7
395			"unqualified exec is not allowed in function 'func_name' "
396			"because it contains a nested function with free variables",
397			]
398			for msg in msgs:
399			self.re_matches(msg, re.UNQUALIFIED_EXEC_RE, NO_GROUP)
400
401			def test_import_star(self):
402			"""Test IMPORTSTAR_RE."""
403			msgs = [
404			# Python 2.6
405			"import * is not allowed in function 'func_name' because it "
406			"is contains a nested function with free variables",
407			# Python 2.7
408			"import * is not allowed in function 'func_name' because it "
409			"contains a nested function with free variables",
410			# Python 2.6
411			"import * is not allowed in function 'func_name' because it "
412			"is is a nested function",
413			# Python 2.7
414			"import * is not allowed in function 'func_name' because it "
415			"is a nested function",
416			# Python 3
417			"import * only allowed at module level"
418			]
419			for msg in msgs:
420			self.re_matches(msg, re.IMPORTSTAR_RE, NO_GROUP)
421
422			def test_does_not_support(self):
423			"""Test OBJ_DOES_NOT_SUPPORT_RE."""
424			msgs = [
425			("'range' object does not support item assignment",
426			("range", "item assignment")),
427			("'str' object doesn't support item deletion",
428			("str", "item deletion")),
429			("'set' object does not support indexing",
430			("set", "indexing")),
431			]
432			for msg, groups in msgs:
433			self.re_matches(msg, re.OBJ_DOES_NOT_SUPPORT_RE, (groups, dict()))
434
435			def test_cant_convert(self):
436			"""Test CANT_CONVERT_RE."""
437			msg = "Can't convert 'int' object to str implicitly"
438			groups = ('int', 'str')
439			self.re_matches(msg, re.CANT_CONVERT_RE, (groups, dict()))
440
441			def test_must_be_type1_not_type2(self):
442			"""Test MUST_BE_TYPE1_NOT_TYPE2_RE."""
443			msg = "must be str, not int"
444			groups = ('str', 'int')
445			self.re_matches(msg, re.MUST_BE_TYPE1_NOT_TYPE2_RE, (groups, dict()))
446
447			def test_cannot_concat(self):
448			"""Test CANNOT_CONCAT_RE."""
449			msg = "cannot concatenate 'str' and 'int' objects"
450			groups = ('str', 'int')
451			self.re_matches(msg, re.CANNOT_CONCAT_RE, (groups, dict()))
452
453			def test_unsupported_operand(self):
454			"""Test UNSUPPORTED_OP_RE."""
455			msg = "unsupported operand type(s) for +: 'int' and 'str'"
456			groups = ('+', 'int', 'str')
457			self.re_matches(msg, re.UNSUPPORTED_OP_RE, (groups, dict()))
458
459			def test_bad_operand_unary(self):
460			"""Test BAD_OPERAND_UNARY_RE."""
461			msgs = [
462			("bad operand type for unary ~: 'set'", ('~', 'set')),
463			("bad operand type for abs(): 'set'", ('abs()', 'set')),
464			("unsupported operand type for unary neg: 'Foobar'",
465			('neg', 'Foobar')),
466			]
467			for msg, group in msgs:
468			self.re_matches(msg, re.BAD_OPERAND_UNARY_RE, (group, dict()))
469
470			def test_not_callable(self):
471			"""Test NOT_CALLABLE_RE."""
472			msg = "'list' object is not callable"
473			groups = ('list',)
474			self.re_matches(msg, re.NOT_CALLABLE_RE, (groups, dict()))
475
476			def test_descriptor_requires(self):
477			"""Test DESCRIPT_REQUIRES_TYPE_RE."""
478			msg = "descriptor 'add' requires a 'set' object but received a 'int'"
479			groups = ('add', 'set', 'int')
480			self.re_matches(
481			msg, re.DESCRIPT_REQUIRES_TYPE_RE, (groups, dict()))
482
483			def test_argument_not_iterable(self):
484			"""Test ARG_NOT_ITERABLE_RE."""
485			msgs = [
486			# Python 2.6/2.7/3.2/3.3/3.4/3.5
487			"argument of type 'type' is not iterable",
488			# PyPy/PyPy3
489			"'type' object is not iterable"
490			]
491			groups = ('type',)
492			for msg in msgs:
493			self.re_matches(msg, re.ARG_NOT_ITERABLE_RE, (groups, dict()))
494
495			def test_must_be_called_with_instance(self):
496			"""Test MUST_BE_CALLED_WITH_INST_RE."""
497			msg = "unbound method add() must be called with set " \
498			"instance as first argument (got int instance instead)"
499			groups = ('add', 'set', 'int')
500			self.re_matches(
501			msg, re.MUST_BE_CALLED_WITH_INST_RE, (groups, dict()))
502
503			def test_object_has_no(self):
504			"""Test OBJECT_HAS_NO_FUNC_RE."""
505			msgs = {
506			# Python 2.6/2.7/3.2/3.3/3.4/3.5
507			'len': "object of type 'generator' has no len()",
508			# PyPy/PyPy3
509			'length': "'generator' has no length",
510			}
511			for name, msg in msgs.items():
512			groups = ('generator', name)
513			self.re_matches(msg, re.OBJECT_HAS_NO_FUNC_RE, (groups, dict()))
514
515			def test_nobinding_nonlocal(self):
516			"""Test NO_BINDING_NONLOCAL_RE."""
517			msg = "no binding for nonlocal 'foo' found"
518			groups = ('foo',)
519			self.re_matches(msg, re.NO_BINDING_NONLOCAL_RE, (groups, dict()))
520
521			def test_nonlocal_at_module_level(self):
522			"""Test NONLOCAL_AT_MODULE_RE."""
523			msg = "nonlocal declaration not allowed at module level"
524			self.re_matches(msg, re.NONLOCAL_AT_MODULE_RE, NO_GROUP)
525
526			def test_unexpected_eof(self):
527			"""Test UNEXPECTED_EOF_RE."""
528			msg = "unexpected EOF while parsing"
529			self.re_matches(msg, re.UNEXPECTED_EOF_RE, NO_GROUP)
530
531			def test_nosuchfile(self):
532			"""Test NO_SUCH_FILE_RE."""
533			msg = "No such file or directory"
534			self.re_matches(msg, re.NO_SUCH_FILE_RE, NO_GROUP)
535
536			def test_timedata_does_not_match_format(self):
537			"""Test TIME_DATA_DOES_NOT_MATCH_FORMAT_RE."""
538			msg = "time data '%d %b %y' does not match format '30 Nov 00'"
539			# 'time data "%d \'%b %y" does not match format \'30 Nov 00\''
540			groups = ("'%d %b %y'", "'30 Nov 00'")
541			named_groups = {'format': "'30 Nov 00'", 'timedata': "'%d %b %y'"}
542			self.re_matches(msg,
543			re.TIME_DATA_DOES_NOT_MATCH_FORMAT_RE,
544			(groups, named_groups))
545
546			def test_invalid_token(self):
547			"""Test INVALID_TOKEN_RE."""
548			msg = 'invalid token'
549			self.re_matches(msg, re.INVALID_TOKEN_RE, NO_GROUP)
550
551			def test_exc_must_derive_from(self):
552			"""Test EXC_MUST_DERIVE_FROM_RE."""
553			msgs = [
554			# Python 2.7
555			"exceptions must be old-style classes or derived from "
556			"BaseException, not NoneType",
557			# Python 3.3 / 3.4
558			"exceptions must derive from BaseException",
559			]
560			for msg in msgs:
561			self.re_matches(msg, re.EXC_MUST_DERIVE_FROM_RE, NO_GROUP)
562
563			def test_unorderable_types(self):
564			"""Test UNORDERABLE_TYPES_RE."""
565			msgs = [
566			# Python 3.2 to 3.5
567			"unorderable types: str() > int()",
568			"unorderable types: FoobarClass() <= int()",
569			# PyPy
570			"unorderable types: FoobarClass > FoobarClass",
571			]
572			for msg in msgs:
573			self.re_matches(msg, re.UNORDERABLE_TYPES_RE, NO_GROUP)
574
575			def test_op_not_supported_between_instances(self):
576			"""Test OP_NOT_SUPP_BETWEEN_INSTANCES_RE."""
577			msgs = [
578			# Python 3.6
579			"'<' not supported between instances of 'int' and 'NoneType'",
580			"'>' not supported between instances of 'Foo' and 'Foo'",
581			]
582			for msg in msgs:
583			self.re_matches(msg, re.OP_NOT_SUPP_BETWEEN_INSTANCES_RE, NO_GROUP)
584
585			def test_max_recursion_depth(self):
586			"""Test MAX_RECURSION_DEPTH_RE."""
587			msg = 'maximum recursion depth exceeded'
588			self.re_matches(msg, re.MAX_RECURSION_DEPTH_RE, NO_GROUP)
589
590			def test_size_changed_during_iter(self):
591			"""Test SIZE_CHANGED_DURING_ITER_RE."""
592			msgs = {
593			"Set": "Set changed size during iteration",
594			"dictionnary": "dictionnary changed size during iteration",
595			}
596			for name, msg in msgs.items():
597			groups = (name, )
598			self.re_matches(msg,
599			re.SIZE_CHANGED_DURING_ITER_RE,
600			(groups, dict()))
601
602			if __name__ == '__main__':
603			print(sys.version_info)
604			unittest2.main()
605

SylvainDe / DidYouMean-Python

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RegexTests.test_int_expected_got() A

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