def returns_true_for_spec_defined_scalar():
assert is_scalar_type(GraphQLString) is True
assert_scalar_type(GraphQLString)
def returns_true_for_custom_scalar():
assert is_scalar_type(ScalarType) is True
assert_scalar_type(ScalarType)
def returns_false_for_non_object_type():
assert is_scalar_type(InterfaceType) is False
with raises(TypeError):
assert_scalar_type(InterfaceType)
def returns_false_for_wrapped_specified_scalar():
assert is_scalar_type(GraphQLList(GraphQLString)) is False
def returns_false_for_wrapped_scalar():
assert is_scalar_type(GraphQLList(ScalarType)) is False
with raises(TypeError):
assert_scalar_type(GraphQLList(ScalarType))
def returns_fals_for_scalar_class_rather_than_instance():
assert is_scalar_type(GraphQLScalarType) is False
with raises(TypeError):
assert_scalar_type(GraphQLScalarType)
def returns_false_for_non_scalar():
assert is_scalar_type(EnumType) is False
with raises(TypeError):
assert_scalar_type(EnumType)
