def _verify_special_methods(self, someobj):
someobj_special_methods = self._fetch_special_methods(someobj)
our_special_methods = self._fetch_special_methods(self.reference_obj)
missing = set(our_special_methods).difference(set(someobj_special_methods))
if missing:
# someobj is lacking some method we need
raise SignatureVerificationError, "%s lacks methods: %s" % (someobj, missing)
for name, method in our_special_methods.items():
if not is_signature_compatible(method, someobj_special_methods[name]):
raise SignatureVerificationError, "%s signature for %s is incompatible" % (someobj, method)
def test_arg_optarg_kwargs_callable_compatible_with_mixed_everything_callable(
self):
self.assertEquals(
True,
is_signature_compatible(arg_optarg_kwargs_callable,
mixed_everything_callable))
def test_arg_optarg_kwargs_callable_compatible_with_mixed_everything_callable(self):
self.assertEquals(True, is_signature_compatible(arg_optarg_kwargs_callable, mixed_everything_callable))
def test_unboundmethod_signature_is_not_compatible_with_instancemeth(self):
self.assertFalse(is_signature_compatible(DifferentMethods.instancemeth, self.obj.instancemeth))
def test_attrfunc_signature_is_not_compatible_with_class_unbound_method(self):
self.assertFalse(is_signature_compatible(self.obj.attrfunc, DifferentMethods.instancemeth))
def test_instancemethod_signature_is_compatible_with_instancemethod_signature(self):
self.assertTrue(is_signature_compatible(self.obj.instancemeth, DifferentMethods.staticmeth))
def test_bound_method_without_self_is_compatible_with_unbound(self):
self.assertTrue(is_signature_compatible(self.obj.instancemeth, BoundWithoutSelf.staticmeth))
def test_static_signature_is_compatible_with_obj_class_sig(self):
self.assertTrue(is_signature_compatible(self.obj.staticmeth, self.obj.classmeth))
def test_three_optarg_callable_not_compatible_with_two_optarg_callable_same_names(
self):
self.assertEquals(
False,
is_signature_compatible(three_optarg_callable,
two_optarg_callable))
def test_three_arg_callable_compatible_with_optarg_callable_with_diff_names(
self):
self.assertEquals(
True,
is_signature_compatible(three_arg_callable,
two_arg_one_optarg_callable_other))
def test_switched_optional_args_retain_compatibility(self):
self.assertEquals(
True,
is_signature_compatible(two_optarg_callable,
two_optarg_callable_switched))
def test_different_optarg_names_are_not_compatible(self):
self.assertEquals(
False,
is_signature_compatible(two_arg_one_optarg_callable,
two_arg_one_optarg_callable_other))
def test_kwargs_not_compatible_with_arg_optarg_kwargs(self):
self.assertEquals(
False,
is_signature_compatible(all_kwargs_callable,
arg_optarg_kwargs_callable))
def test_kwargs_compatible_with_optarg_kwargs(self):
self.assertEquals(
True,
is_signature_compatible(all_kwargs_callable,
optarg_kwargs_callable))
def test_arg_optarg_kwargs_compatibile_with_kwargs_only(self):
self.assertEquals(
True,
is_signature_compatible(arg_optarg_kwargs_callable,
all_kwargs_callable))
def test_all_varargs_is_not_compatibile_with_empty(self):
self.assertEquals(False, is_signature_compatible(all_varargs_callable, empty_callable))
def test_three_args_varargs_is_compatible_with_three_args_varargs(self):
self.assertEquals(True, is_signature_compatible(three_args_varargs_callable, three_args_varargs_callable))
def test_identical_signatures_are_compatible(self):
self.assertEquals(
True, is_signature_compatible(two_arg_callable1,
two_arg_callable_2))
def test_static_signature_is_compatible_with_attrfunc(self):
self.assertTrue(is_signature_compatible(self.obj.staticmeth, self.obj.attrfunc))
def test_optional_arg_keeps_signature_compatible(self):
self.assertEquals(
True,
is_signature_compatible(two_arg_callable1,
two_arg_one_optarg_callable))
def test_classmethod_signature_is_compatible_with_attrfunc(self):
self.assertTrue(is_signature_compatible(DifferentMethods.classmeth, self.obj.attrfunc))
def test_three_arg_sig_incompatible_with_two(self):
self.assertEquals(
False,
is_signature_compatible(three_arg_callable, two_arg_callable1))
def test_attrfunc_signature_is_compatible_with_obj_class_sig(self):
self.assertTrue(is_signature_compatible(self.obj.attrfunc, self.obj.classmeth))
def test_two_arg_optarg_incompatible_with_three(self):
self.assertEquals(
False,
is_signature_compatible(two_arg_one_optarg_callable,
three_arg_callable))
def test_attrfunc_signature_is_compatible_with_instancemeth(self):
self.assertTrue(is_signature_compatible(self.obj.attrfunc, self.obj.instancemeth))
def test_two_arg_is_compatible_with_two_optarg(self):
self.assertEquals(
True,
is_signature_compatible(two_arg_callable1, two_optarg_callable))
def test_vararg_kwargs_incompatible_with_everything_but_itself(self):
everything_but_varargs_kwargs_callable = filter(lambda x: x.func_name != "varargs_kwargs_callable", everything)
for func in everything_but_varargs_kwargs_callable:
self.assertEquals(False, is_signature_compatible(varargs_kwargs_callable, func), "%s is compatible!" % func.func_name)
def test_two_optarg_is_not_compatible_with_two_arg(self):
self.assertEquals(
False,
is_signature_compatible(two_optarg_callable, two_arg_callable1))
def test_kwargs_compatible_with_optarg_kwargs(self):
self.assertEquals(True, is_signature_compatible(all_kwargs_callable, optarg_kwargs_callable))
def test_any_fixed_arg_compatible_with_all_varargs(self):
self.assertEquals(
True,
is_signature_compatible(two_arg_callable1, all_varargs_callable))
def test_two_fixed_args_incompatible_three_args_varargs(self):
self.assertEquals(False, is_signature_compatible(two_arg_callable1, three_args_varargs_callable))
def test_two_fixed_args_incompatible_three_args_varargs(self):
self.assertEquals(
False,
is_signature_compatible(two_arg_callable1,
three_args_varargs_callable))
def test_all_varargs_is_compatibile_with_all_varargs(self):
self.assertEquals(True, is_signature_compatible(all_varargs_callable, all_varargs_callable))
def test_all_varargs_is_not_compatibile_with_empty(self):
self.assertEquals(
False, is_signature_compatible(all_varargs_callable,
empty_callable))
def test_all_varargs_is_not_compatibile_with_three_args_varargs(self):
self.assertEquals(False, is_signature_compatible(all_varargs_callable, three_args_varargs_callable))
def test_all_varargs_is_compatibile_with_all_varargs(self):
self.assertEquals(
True,
is_signature_compatible(all_varargs_callable,
all_varargs_callable))
def test_static_signature_is_compatible_with_obj_instance_method(self):
self.assertTrue(is_signature_compatible(self.obj.staticmeth, self.obj.instancemeth))
def test_three_args_varargs_is_compatible_with_three_args_varargs(self):
self.assertEquals(
True,
is_signature_compatible(three_args_varargs_callable,
three_args_varargs_callable))
def test_classmethod_signature_is_compatible_with_obj_instance_method(self):
self.assertTrue(is_signature_compatible(DifferentMethods.classmeth, self.obj.instancemeth))
def test_all_varargs_is_not_compatibile_with_three_args_varargs(self):
self.assertEquals(
False,
is_signature_compatible(all_varargs_callable,
three_args_varargs_callable))
def test_classmethod_signature_is_compatible_with_classmethod_signature(self):
self.assertTrue(is_signature_compatible(DifferentMethods.classmeth, DifferentMethods.staticmeth))
def test_static_signature_is_compatible_with_obj_class_sig(self):
self.assertTrue(
is_signature_compatible(self.obj.staticmeth, self.obj.classmeth))
def test_instancemethod_signature_is_compatible_with_obj_class_sig(self):
self.assertTrue(is_signature_compatible(self.obj.instancemeth, self.obj.classmeth))
def test_static_signature_is_compatible_with_obj_instance_method(self):
self.assertTrue(
is_signature_compatible(self.obj.staticmeth,
self.obj.instancemeth))
def test_instancemethod_signature_is_compatible_with_attrfunc(self):
self.assertTrue(is_signature_compatible(self.obj.instancemeth, self.obj.attrfunc))
def test_static_signature_is_compatible_with_attrfunc(self):
self.assertTrue(
is_signature_compatible(self.obj.staticmeth, self.obj.attrfunc))
def test_attrfunc_signature_is_compatible_with_obj_instance_method(self):
self.assertTrue(is_signature_compatible(self.obj.attrfunc, DifferentMethods.classmeth))
def test_classmethod_signature_is_compatible_with_obj_instance_method(
self):
self.assertTrue(
is_signature_compatible(DifferentMethods.classmeth,
self.obj.instancemeth))
def test_attrfunc_signature_is_compatible_with_attrfunc_signature(self):
self.assertTrue(is_signature_compatible(self.obj.attrfunc, DifferentMethods.staticmeth))
def test_unbound_method_not_compatible_with_static(self):
self.assertFalse(
is_signature_compatible(DifferentMethods.instancemeth,
self.obj.staticmeth))
def test_unboundmethod_signature_is_compatible_with_class_unbound_method(self):
self.assertTrue(is_signature_compatible(DifferentMethods.instancemeth, DifferentMethods.instancemeth))
def test_bound_method_without_self_is_compatible_with_unbound(self):
self.assertTrue(
is_signature_compatible(self.obj.instancemeth,
BoundWithoutSelf.staticmeth))
def test_every_func_compatible_with_varargs_kwargs(self):
for func in everything:
self.assertEquals(True, is_signature_compatible(func, varargs_kwargs_callable) )
def test_classmethod_signature_is_not_compatible_with_class_unbound_method(
self):
self.assertFalse(
is_signature_compatible(self.obj.classmeth,
DifferentMethods.instancemeth))
def test_three_arg_optarg_callable_compatible_with_mixed_everything_callable(self):
self.assertEquals(False, is_signature_compatible(three_optarg_callable, mixed_everything_callable))
def test_classmethod_signature_is_compatible_with_classmethod_signature(
self):
self.assertTrue(
is_signature_compatible(self.obj.classmeth,
DifferentMethods.staticmeth))
def test_arg_optarg_kwargs_compatibile_with_kwargs_only(self):
self.assertEquals(True, is_signature_compatible(arg_optarg_kwargs_callable, all_kwargs_callable))
def test_classmethod_signature_is_compatible_with_attrfunc(self):
self.assertTrue(
is_signature_compatible(self.obj.classmeth, self.obj.attrfunc))
def test_kwargs_not_compatible_with_arg_optarg_kwargs(self):
self.assertEquals(False, is_signature_compatible(all_kwargs_callable, arg_optarg_kwargs_callable))
def test_instancemethod_signature_is_compatible_with_obj_class_sig(self):
self.assertTrue(
is_signature_compatible(self.obj.instancemeth, self.obj.classmeth))