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How to use make_pattern_matcher method in Lemoncheesecake

Best Python code snippet using lemoncheesecake

string.py

Source:string.py

...78    """Test if string matches given pattern (using the `search` method of the `re` module)"""79    return MatchPattern(80        pattern if type(pattern) == _REGEXP_TYPE else re.compile(pattern), description, mention_regexp81    )82def make_pattern_matcher(pattern, description=None, mention_regexp=False):83    # type: (Union[str, Pattern], str, bool) -> Callable[[], MatchPattern]84    def matcher():85        return match_pattern(pattern, description, mention_regexp)86    return matcher87def _diff_text(text1, text2, linesep):88    return "\n".join(89        difflib.unified_diff(90            text1.split(linesep), text2.split(linesep), fromfile="expected", tofile="actual", lineterm=""91        )92    )93class IsText(Matcher):94    def __init__(self, expected, linesep):95        self.expected = expected96        self.linesep = linesep...

test_matchers_string.py

Source:test_matchers_string.py

...40    assert_matcher_description(41        match_pattern(r"^\d+$", "a number", mention_regexp=True),42        Contains("a number") & Contains(r"^\d+$")43    )44def test_make_pattern_matcher():45    matcher = make_pattern_matcher(r"^\d+$", "a number", mention_regexp=True)46    assert_matcher_description(matcher(), Contains("a number") & Contains(r"^\d+$"))47    assert_match_success(matcher(), "42", Contains("42"))48def test_match_pattern_failure():49    assert_match_failure(match_pattern(r"^f"), "bar", Contains("bar"))50def test_match_pattern_failure_invalid_type():51    assert_match_failure(match_pattern(r"^f"), None, Contains("Invalid value"))52def test_is_text_success():53    assert_match_success(is_text("foo\nbar", "\n"), "foo\nbar")54def test_is_text_failure():55    assert_match_failure(is_text("foo\nbar", "\n"), "foo\nbar\nbaz", Contains("+baz"))56def test_is_json_success():57    assert_match_success(is_json({"foo": 1, "bar": 2}), {"foo": 1, "bar": 2})58def test_is_json_failure():59    assert_match_failure(is_json({"foo": 1, "bar": 2}), {"foo": 1, "bar": 2, "baz": 3}, Contains('+    "baz": 3'))

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