def test_allows_default_arguments_specified_positionally(
self, test_object):
doubled_user = ObjectDouble(test_object)
allow(doubled_user).method_with_default_args.with_args('blah', 'blam')
assert doubled_user.method_with_default_args('blah', 'blam') is None
def test_raises_when_stubbing_noncallable_attributes(self, test_object):
doubled_user = ObjectDouble(test_object)
with raises(VerifyingDoubleError) as e:
allow(doubled_user).class_attribute
assert re.search(r"not a callable attribute", str(e))
def test_raises_when_stubbing_nonexistent_methods(self, test_object):
doubled_user = ObjectDouble(test_object)
with raises(VerifyingDoubleError) as e:
allow(doubled_user).foo
assert re.search(r"does not implement it", str(e))
def test_displays_correct_class_name(self, test_object):
subject = ObjectDouble(test_object)
assert re.match(
r"<ObjectDouble of <doubles.testing.(?:OldStyle)?User "
r"(?:instance|object) at 0x[0-9a-f]+> object "
r"at 0x[0-9a-f]+>", repr(subject))
def test_mocking__enter__and__exit__works(self, test_object):
doubled_user = ObjectDouble(test_object)
allow(doubled_user).__enter__.and_return('bob barker')
# Not ideal to do both in the same test case,
# but the with block won't execute at all unless both methods are defined.
allow(doubled_user).__exit__
with doubled_user as u:
assert u == 'bob barker'
def test_allows_varkwargs_if_specified(self, test_object):
doubled_user = ObjectDouble(test_object)
allow(doubled_user).method_with_varkwargs.with_args(foo='bar')
assert doubled_user.method_with_varkwargs(foo='bar') is None
def test_allows_default_arguments_specified_with_keywords(self, test_object):
doubled_user = ObjectDouble(test_object)
allow(doubled_user).method_with_default_args.with_args('blah', bar='blam')
assert doubled_user.method_with_default_args('blah', bar='blam') is None
def test_allows_missing_default_arguments(self, test_object):
doubled_user = ObjectDouble(test_object)
allow(doubled_user).method_with_default_args.with_args('blah')
assert doubled_user.method_with_default_args('blah') is None
def test_allows_stubs_on_existing_methods(self, test_object):
doubled_user = ObjectDouble(test_object)
allow(doubled_user).get_name.and_return('Bob')
assert doubled_user.get_name() == 'Bob'
def test_raises_when_specifying_extra_keyword_arguments(self, test_object):
doubled_user = ObjectDouble(test_object)
with raises(VerifyingDoubleArgumentError):
allow(doubled_user).method_with_default_args.with_args(1,
moo='woof')
def test_raises_when_specifying_higher_arity_to_method_with_default_arguments(
self, test_object): # noqa
doubled_user = ObjectDouble(test_object)
with raises(VerifyingDoubleArgumentError):
allow(doubled_user).method_with_default_args.with_args(1, 2, 3)
def test_allows_missing_default_arguments(self, test_object):
doubled_user = ObjectDouble(test_object)
allow(doubled_user).method_with_default_args.with_args('blah')
assert doubled_user.method_with_default_args('blah') is None
def test_allows_varargs_if_specified(self, test_object):
doubled_user = ObjectDouble(test_object)
allow(doubled_user).method_with_varargs.with_args('foo', 'bar', 'baz')
assert doubled_user.method_with_varargs('foo', 'bar', 'baz') is None
def test_raises_when_specifying_different_arity(self, test_object):
doubled_user = ObjectDouble(test_object)
with raises(VerifyingDoubleArgumentError):
allow(doubled_user).get_name.with_args('foo', 'bar')
def test_allows_stubs_on_existing_methods(self, test_object):
doubled_user = ObjectDouble(test_object)
allow(doubled_user).get_name.and_return('Bob')
assert doubled_user.get_name() == 'Bob'
def test_mocking__call__works(self, test_object):
doubled_user = ObjectDouble(test_object)
allow(doubled_user).__call__.and_return('bob barker')
assert doubled_user() == 'bob barker'