def test_all_of_describes_first_failing_match_if_match_fails():
class Rectangle(object):
pass
expected_output = []
is_a(Rectangle).matches("Rectangle", expected_output)
mismatch_output = []
matcher = all_of(any_value(), is_a(Rectangle), has_attr(width=20))
matcher.matches("Rectangle", mismatch_output)
assert_equals(expected_output, mismatch_output)
def test_any_value_does_not_write_to_mismatch_output():
mismatch_output = []
any_value().matches("foo", mismatch_output)
any_value().matches(1, mismatch_output)
any_value().matches(type, mismatch_output)
assert not mismatch_output
def test_any_value_str():
assert_equals(str(any_value()), "<any value>")
def test_any_value_matches_everything():
assert any_value().matches("foo", [])
assert any_value().matches(1, [])
assert any_value().matches(type, [])
