def test_any_of_str_is_disjunction_of_passed_matchers():
class Rectangle(object):
pass
is_a_rectangle = is_a(Rectangle)
is_20_wide = has_attr(width=20)
matcher = any_of(is_a_rectangle, is_20_wide)
assert_equals("(%s) or (%s)" % (is_a_rectangle, is_20_wide), str(matcher))
def test_any_of_passes_if_any_matchers_satisfied():
class Rectangle(object):
def __init__(self, width, height):
self.width = width
self.height = height
class NotARectangle(object):
def __init__(self, width):
self.width = width
matcher = any_of(is_a(Rectangle), has_attr(width=20))
assert matcher.matches(Rectangle(20, 40), [])
assert matcher.matches(NotARectangle(20), [])
assert matcher.matches(Rectangle(30, 40), [])
assert not matcher.matches("Rectangle", [])
def test_any_of_does_not_write_to_mismatch_output_if_it_matches():
class Rectangle(object):
def __init__(self, width, height):
self.width = width
self.height = height
class NotARectangle(object):
def __init__(self, width):
self.width = width
mismatch_description = []
matcher = any_of(is_a(Rectangle), has_attr(width=20))
assert matcher.matches(Rectangle(20, 40), mismatch_description)
assert matcher.matches(NotARectangle(20), mismatch_description)
assert matcher.matches(Rectangle(30, 40), mismatch_description)
assert not mismatch_description
def test_any_of_describes_all_matchers_when_match_fails():
class FalseMatcher(object):
def __init__(self, description):
self.description = description
def matches(self, value, output):
return False
def __str__(self):
return self.description
expected_output = []
is_a_rectangle = FalseMatcher("is a rectangle")
is_a_rectangle.matches("Rectangle", expected_output)
is_20_wide = FalseMatcher("is 20 wide")
is_20_wide.matches("Rectangle", expected_output)
expected_output = 'did not match any of: (is a rectangle), (is 20 wide)'
mismatch_output = []
matcher = any_of(is_a_rectangle, is_20_wide)
matcher.matches("Rectangle", mismatch_output)
assert_equals([expected_output], mismatch_output)