RegexTests.test_future_first() - Code Metrics - Inspection of "Add tests and suggestions for nonlocal keyword" - SylvainDe/DidYouMean-Python - Measure and Improve Code Quality continuously with Scrutinizer

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by De

created 2016-12-27 18:02 UTC

RegexTests.test_future_first() A

↳ Parent: RegexTests

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c	2
b	0
f	0
dl	0
loc	10
rs	9.4285
cc	2

# -*- 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_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'),
        ]
        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_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_outside_function(self):
224			"""Test OUTSIDE_FUNCTION_RE."""
225			msgs = [
226			# Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
227			"'return' outside function",
228			# PyPy/PyPy3
229			"return outside function",
230			]
231			groups = ('return',)
232			for msg in msgs:
233			self.re_matches(msg, re.OUTSIDE_FUNCTION_RE, (groups, dict()))
234
235			def test_nb_positional_argument(self):
236			"""Test NB_ARG_RE."""
237			msgs = [
238			# Python 2.6/2.7/PyPy/PyPy3
239			("some_func() takes exactly 1 argument (2 given)",
240			'1', '2'),
241			("some_func() takes exactly 3 arguments (1 given)",
242			'3', '1'),
243			("some_func() takes no arguments (1 given)",
244			'no', '1'),
245			("some_func() takes at least 2 non-keyword arguments (0 given)",
246			'2', '0'),
247			# Python 3.2
248			("some_func() takes exactly 1 positional argument (2 given)",
249			'1', '2'),
250			# Python 3.3/3.4/3.5
251			("some_func() takes 1 positional argument but 2 were given",
252			'1', '2'),
253			("some_func() takes 0 positional arguments but 1 was given",
254			'0', '1'),
255			]
256			for msg, exp, nb in msgs:
257			groups = ('some_func', exp, nb)
258			self.re_matches(msg, re.NB_ARG_RE, (groups, dict()))
259
260			def test_missing_positional_arg(self):
261			"""Test MISSING_POS_ARG_RE."""
262			msgs = [
263			# Python 3.3/3.4/3.5
264			"some_func() missing 2 required positional arguments: "
265			"'much' and 'args'",
266			"some_func() missing 1 required positional argument: "
267			"'much'",
268			]
269			groups = ('some_func',)
270			for msg in msgs:
271			self.re_matches(msg, re.MISSING_POS_ARG_RE, (groups, dict()))
272
273			def test_need_more_values_to_unpack(self):
274			"""Test NEED_MORE_VALUES_RE."""
275			msgs = [
276			# Python 2.6/2.7/3.2/3.3/3.4/3.5(?)/PyPy3
277			"need more than 2 values to unpack",
278			# Python 3.5
279			"not enough values to unpack (expected 3, got 2)",
280			]
281			for msg in msgs:
282			self.re_matches(msg, re.NEED_MORE_VALUES_RE, NO_GROUP)
283
284			def test_missing_parentheses(self):
285			"""Test MISSING_PARENT_RE."""
286			# Python 3.4/3.5
287			msg = "Missing parentheses in call to 'exec'"
288			groups = ('exec',)
289			self.re_matches(msg, re.MISSING_PARENT_RE, (groups, dict()))
290
291			def test_invalid_literal(self):
292			"""Test INVALID_LITERAL_RE."""
293			# Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
294			msg = "invalid literal for int() with base 10: 'toto'"
295			groups = ('int', 'toto')
296			self.re_matches(msg, re.INVALID_LITERAL_RE, (groups, dict()))
297
298			def test_invalid_syntax(self):
299			"""Test INVALID_SYNTAX_RE."""
300			# Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy3
301			msg = "invalid syntax"
302			self.re_matches(msg, re.INVALID_SYNTAX_RE, NO_GROUP)
303
304			def test_invalid_comp(self):
305			"""Test INVALID_COMP_RE."""
306			# PyPy3
307			msg = "invalid comparison"
308			self.re_matches(msg, re.INVALID_COMP_RE, NO_GROUP)
309
310			def test_expected_length(self):
311			"""Test EXPECTED_LENGTH_RE."""
312			# PyPy
313			msg = "expected length 3, got 2"
314			groups = ('3', '2')
315			self.re_matches(msg, re.EXPECTED_LENGTH_RE, (groups, dict()))
316
317			def test_future_first(self):
318			"""Test FUTURE_FIRST_RE."""
319			msgs = [
320			# Python 2.6/2.7/3.2/3.3/3.4/3.5
321			"from __future__ imports must occur at the beginning of the file",
322			# PyPy/PyPy3
323			"__future__ statements must appear at beginning of file",
324			]
325			for msg in msgs:
326			self.re_matches(msg, re.FUTURE_FIRST_RE, NO_GROUP)
327
328			def test_future_feature_not_def(self):
329			"""Test FUTURE_FEATURE_NOT_DEF_RE."""
330			# Python 2.6/2.7/3.2/3.3/3.4/3.5/PyPy/PyPy3
331			msg = "future feature divisio is not defined"
332			groups = ('divisio',)
333			self.re_matches(msg, re.FUTURE_FEATURE_NOT_DEF_RE, (groups, dict()))
334
335			def test_result_has_too_many_items(self):
336			"""Test RESULT_TOO_MANY_ITEMS_RE."""
337			# Python 2.6
338			msg = "range() result has too many items"
339			groups = ('range',)
340			self.re_matches(msg, re.RESULT_TOO_MANY_ITEMS_RE, (groups, dict()))
341
342			def test_unqualified_exec(self):
343			"""Test UNQUALIFIED_EXEC_RE."""
344			msgs = [
345			# Python 2.6
346			"unqualified exec is not allowed in function 'func_name' "
347			"it is a nested function",
348			# Python 2.7
349			"unqualified exec is not allowed in function 'func_name' "
350			"because it is a nested function",
351			# Python 2.6
352			"unqualified exec is not allowed in function 'func_name' "
353			"it contains a nested function with free variables",
354			# Python 2.7
355			"unqualified exec is not allowed in function 'func_name' "
356			"because it contains a nested function with free variables",
357			]
358			for msg in msgs:
359			self.re_matches(msg, re.UNQUALIFIED_EXEC_RE, NO_GROUP)
360
361			def test_import_star(self):
362			"""Test IMPORTSTAR_RE."""
363			msgs = [
364			# Python 2.6
365			"import * is not allowed in function 'func_name' because it "
366			"is contains a nested function with free variables",
367			# Python 2.7
368			"import * is not allowed in function 'func_name' because it "
369			"contains a nested function with free variables",
370			# Python 2.6
371			"import * is not allowed in function 'func_name' because it "
372			"is is a nested function",
373			# Python 2.7
374			"import * is not allowed in function 'func_name' because it "
375			"is a nested function",
376			# Python 3
377			"import * only allowed at module level"
378			]
379			for msg in msgs:
380			self.re_matches(msg, re.IMPORTSTAR_RE, NO_GROUP)
381
382			def test_does_not_support(self):
383			"""Test OBJ_DOES_NOT_SUPPORT_RE."""
384			msgs = [
385			("'range' object does not support item assignment",
386			("range", "item assignment")),
387			("'str' object doesn't support item deletion",
388			("str", "item deletion")),
389			("'set' object does not support indexing",
390			("set", "indexing")),
391			]
392			for msg, groups in msgs:
393			self.re_matches(msg, re.OBJ_DOES_NOT_SUPPORT_RE, (groups, dict()))
394
395			def test_cant_convert(self):
396			"""Test CANT_CONVERT_RE."""
397			msg = "Can't convert 'int' object to str implicitly"
398			groups = ('int', 'str')
399			self.re_matches(msg, re.CANT_CONVERT_RE, (groups, dict()))
400
401			def test_must_be_type1_not_type2(self):
402			"""Test MUST_BE_TYPE1_NOT_TYPE2_RE."""
403			msg = "must be str, not int"
404			groups = ('str', 'int')
405			self.re_matches(msg, re.MUST_BE_TYPE1_NOT_TYPE2_RE, (groups, dict()))
406
407			def test_cannot_concat(self):
408			"""Test CANNOT_CONCAT_RE."""
409			msg = "cannot concatenate 'str' and 'int' objects"
410			groups = ('str', 'int')
411			self.re_matches(msg, re.CANNOT_CONCAT_RE, (groups, dict()))
412
413			def test_unsupported_operand(self):
414			"""Test UNSUPPORTED_OP_RE."""
415			msg = "unsupported operand type(s) for +: 'int' and 'str'"
416			groups = ('+', 'int', 'str')
417			self.re_matches(msg, re.UNSUPPORTED_OP_RE, (groups, dict()))
418
419			def test_bad_operand_unary(self):
420			"""Test BAD_OPERAND_UNARY_RE."""
421			msgs = [
422			("bad operand type for unary ~: 'set'", ('~', 'set')),
423			("bad operand type for abs(): 'set'", ('abs()', 'set')),
424			("unsupported operand type for unary neg: 'Foobar'",
425			('neg', 'Foobar')),
426			]
427			for msg, group in msgs:
428			self.re_matches(msg, re.BAD_OPERAND_UNARY_RE, (group, dict()))
429
430			def test_not_callable(self):
431			"""Test NOT_CALLABLE_RE."""
432			msg = "'list' object is not callable"
433			groups = ('list',)
434			self.re_matches(msg, re.NOT_CALLABLE_RE, (groups, dict()))
435
436			def test_descriptor_requires(self):
437			"""Test DESCRIPT_REQUIRES_TYPE_RE."""
438			msg = "descriptor 'add' requires a 'set' object but received a 'int'"
439			groups = ('add', 'set', 'int')
440			self.re_matches(
441			msg, re.DESCRIPT_REQUIRES_TYPE_RE, (groups, dict()))
442
443			def test_argument_not_iterable(self):
444			"""Test ARG_NOT_ITERABLE_RE."""
445			msgs = [
446			# Python 2.6/2.7/3.2/3.3/3.4/3.5
447			"argument of type 'type' is not iterable",
448			# PyPy/PyPy3
449			"'type' object is not iterable"
450			]
451			groups = ('type',)
452			for msg in msgs:
453			self.re_matches(msg, re.ARG_NOT_ITERABLE_RE, (groups, dict()))
454
455			def test_must_be_called_with_instance(self):
456			"""Test MUST_BE_CALLED_WITH_INST_RE."""
457			msg = "unbound method add() must be called with set " \
458			"instance as first argument (got int instance instead)"
459			groups = ('add', 'set', 'int')
460			self.re_matches(
461			msg, re.MUST_BE_CALLED_WITH_INST_RE, (groups, dict()))
462
463			def test_object_has_no(self):
464			"""Test OBJECT_HAS_NO_FUNC_RE."""
465			msgs = {
466			# Python 2.6/2.7/3.2/3.3/3.4/3.5
467			'len': "object of type 'generator' has no len()",
468			# PyPy/PyPy3
469			'length': "'generator' has no length",
470			}
471			for name, msg in msgs.items():
472			groups = ('generator', name)
473			self.re_matches(msg, re.OBJECT_HAS_NO_FUNC_RE, (groups, dict()))
474
475			def test_nobinding_nonlocal(self):
476			"""Test NO_BINDING_NONLOCAL_RE."""
477			msg = "no binding for nonlocal 'foo' found"
478			groups = ('foo',)
479			self.re_matches(msg, re.NO_BINDING_NONLOCAL_RE, (groups, dict()))
480
481			def test_nonlocal_at_module_level(self):
482			"""Test NONLOCAL_AT_MODULE_RE."""
483			msg = "nonlocal declaration not allowed at module level"
484			self.re_matches(msg, re.NONLOCAL_AT_MODULE_RE, NO_GROUP)
485
486			def test_unexpected_eof(self):
487			"""Test UNEXPECTED_EOF_RE."""
488			msg = "unexpected EOF while parsing"
489			self.re_matches(msg, re.UNEXPECTED_EOF_RE, NO_GROUP)
490
491			def test_nosuchfile(self):
492			"""Test NO_SUCH_FILE_RE."""
493			msg = "No such file or directory"
494			self.re_matches(msg, re.NO_SUCH_FILE_RE, NO_GROUP)
495
496			def test_timedata_does_not_match_format(self):
497			"""Test TIME_DATA_DOES_NOT_MATCH_FORMAT_RE."""
498			msg = "time data '%d %b %y' does not match format '30 Nov 00'"
499			# 'time data "%d \'%b %y" does not match format \'30 Nov 00\''
500			groups = ("'%d %b %y'", "'30 Nov 00'")
501			named_groups = {'format': "'30 Nov 00'", 'timedata': "'%d %b %y'"}
502			self.re_matches(msg,
503			re.TIME_DATA_DOES_NOT_MATCH_FORMAT_RE,
504			(groups, named_groups))
505
506			def test_invalid_token(self):
507			"""Test INVALID_TOKEN_RE."""
508			msg = 'invalid token'
509			self.re_matches(msg, re.INVALID_TOKEN_RE, NO_GROUP)
510
511			def test_max_recursion_depth(self):
512			"""Test MAX_RECURSION_DEPTH_RE."""
513			msg = 'maximum recursion depth exceeded'
514			self.re_matches(msg, re.MAX_RECURSION_DEPTH_RE, NO_GROUP)
515
516			def test_size_changed_during_iter(self):
517			"""Test SIZE_CHANGED_DURING_ITER_RE."""
518			msgs = {
519			"Set": "Set changed size during iteration",
520			"dictionnary": "dictionnary changed size during iteration",
521			}
522			for name, msg in msgs.items():
523			groups = (name, )
524			self.re_matches(msg,
525			re.SIZE_CHANGED_DURING_ITER_RE,
526			(groups, dict()))
527
528			if __name__ == '__main__':
529			print(sys.version_info)
530			unittest2.main()
531

SylvainDe / DidYouMean-Python

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