RegexTests.test_bad_operand_unary() - Code Metrics - Inspection of "Check more things in regexp tests" - SylvainDe/DidYouMean-Python - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 9fc385...978746 )

by De

created 2016-10-26 17:16 UTC

RegexTests.test_bad_operand_unary() A

↳ Parent: RegexTests

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
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_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)

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

SylvainDe / DidYouMean-Python

Push — master ( 9fc385...978746 )

RegexTests.test_bad_operand_unary() A

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

Filter issues like