def test_was_never_called_is_false(self):
self.spy.one_arg_method(1)
try:
assert_that_method(self.spy.one_arg_method).was_never_called()
self.fail("it was called indeed!")
except UnexpectedBehavior:
pass
def test_matcher_error_is_human_readable(self):
self.spy.one_arg_method('xe')
try:
assert_that_method(self.spy.one_arg_method).was_called().with_args(
starts_with('tt'))
except ArgsDontMatch as e:
self.assertTrue("tt" in str(e.args[0]))
self.assertTrue("string starting" in str(e.args[0]))
def test_obj_with_field_defends_agains_wrong_usage(self):
self.spy.one_arg_method(Collaborator())
try:
assert_that_method(self.spy.one_arg_method).was_called().with_args(
obj_with_fields('id = 20'))
self.fail('Wrong assertion, argument should be a dictionary')
except WrongApiUsage:
pass
def test_expect_several_times(self):
self.spy.one_arg_method(1)
try:
assert_that_method(self.spy.one_arg_method).was_called().times(2)
self.fail("Should have been called 2 times")
except UnexpectedBehavior:
pass
def test_args_match_but_not_number_of_times(self):
self.spy.one_arg_method(1)
self.spy.one_arg_method(2)
try:
assert_that_method(
self.spy.one_arg_method).was_called().with_args(1).times(2)
self.fail("Wrong assertion")
except UnexpectedBehavior:
pass
def test_expect_several_times_with_incorrect_args(self):
self.spy.one_arg_method(1)
self.spy.one_arg_method(1)
try:
assert_that_method(
self.spy.one_arg_method).was_called().with_args(2).times(2)
self.fail("Must have 1 as an argument")
except ArgsDontMatch:
pass
def test_fail_incorrect_times_msg_is_human_readable(self):
self.spy.one_arg_method(1)
try:
assert_that_method(self.spy.one_arg_method).was_called().times(5)
self.fail("Should have been called 2 times")
except UnexpectedBehavior as e:
for arg in e.args:
if re.search("5", str(arg)) and re.search(
"one_arg_method", str(arg)):
return
self.fail("No enough readable exception message")
def test_obj_with_several_fields_matcher(self):
obj = Collaborator()
obj.id = 21
self.spy.one_arg_method(obj)
try:
assert_that_method(self.spy.one_arg_method).was_called().with_args(
obj_with_fields({
'id': 20,
'test_field': 'OK'
}))
self.fail('Wrong assertion, id field is different')
except ArgsDontMatch:
pass
def test_compare_objects_is_not_possible_without_eq_operator(self):
class SomeObject():
field1 = field2 = None
obj = SomeObject()
obj2 = SomeObject()
self.spy.one_arg_method(obj)
try:
assert_that_method(
self.spy.one_arg_method).was_called().with_args(obj2)
self.fail('they should not match')
except ArgsDontMatch:
pass
def test_other_way_of_assert_called(self):
self.spy.hello()
assert_that_method(self.spy.hello).was_called()
def test_obj_with_field_matcher(self):
obj = Collaborator()
obj.id = 20
self.spy.one_arg_method(obj)
assert_that_method(self.spy.one_arg_method).was_called().with_args(
obj_with_fields({'id': 20}))
def test_expect_several_times_with_args_definition(self):
self.spy.one_arg_method(1)
self.spy.one_arg_method(1)
assert_that_method(
self.spy.one_arg_method).was_called().with_args(1).times(2)
def test_expect_several_times_matches_exactly(self):
self.spy.one_arg_method(1)
self.spy.one_arg_method(1)
assert_that_method(self.spy.one_arg_method).was_called().times(2)
def test_was_never_called(self):
assert_that_method(self.spy.one_arg_method).was_never_called()