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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'
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