import re import pytest from re_assert import Matches def test_typeerror_equality_different_type(): with pytest.raises(TypeError): Matches('foo') == b'foo' def test_matches_repr_plain(): assert repr(Matches('^foo')) == "Matches('^foo')" def test_matches_repr_with_flags(): ret = repr(Matches('^foo', re.I)) assert ret == "Matches('^foo', flags=regex.I | regex.V0)" def test_repr_with_failure(): obj = Matches('^foo') assert obj != 'fa' assert repr(obj) == ( "Matches('^foo')\n" ' # regex failed to match at:\n' ' #\n' ' #> fa\n' ' # ^' ) def test_assert_success(): obj = Matches('foo') assert obj == 'food' obj.assert_matches('food') def test_fail_at_beginning(): with pytest.raises(AssertionError) as excinfo: Matches('foo').assert_matches('bar') msg, = excinfo.value.args assert msg == ( ' regex failed to match at:\n' '\n' '> bar\n' ' ^' ) def test_fail_at_end_of_line(): with pytest.raises(AssertionError) as excinfo: Matches('foo').assert_matches('fo') msg, = excinfo.value.args assert msg == ( ' regex failed to match at:\n' '\n' '> fo\n' ' ^' ) def test_fail_multiple_lines(): with pytest.raises(AssertionError) as excinfo: Matches('foo.bar', re.DOTALL).assert_matches('foo\nbr') msg, = excinfo.value.args assert msg == ( ' regex failed to match at:\n' '\n' '> foo\n' '> br\n' ' ^' ) def test_fail_end_of_line_with_newline(): with pytest.raises(AssertionError) as excinfo: Matches('foo.bar', re.DOTALL).assert_matches('foo\n') msg, = excinfo.value.args assert msg == ( ' regex failed to match at:\n' '\n' '> foo\n' '>\n' ' ^' ) def test_fail_at_end_of_line_mismatching_newline(): with pytest.raises(AssertionError) as excinfo: Matches('foo.', re.DOTALL).assert_matches('foo') msg, = excinfo.value.args assert msg == ( ' regex failed to match at:\n' '\n' '> foo\n' ' ^' ) def test_match_with_tabs(): with pytest.raises(AssertionError) as excinfo: Matches('f.o.o').assert_matches('f\to\tx\n') msg, = excinfo.value.args assert msg == ( ' regex failed to match at:\n' '\n' '> f\to\tx\n' ' \t \t^' ) def test_from_pattern(): pattern = re.compile('^foo', flags=re.I) assert Matches.from_pattern(pattern) == 'FOO'