def rejects_a_schema_with_an_incorrect_ast_node():
with raises(TypeError) as exc_info:
# noinspection PyTypeChecker
GraphQLSchema(GraphQLObjectType("Query", {}),
ast_node=TypeDefinitionNode())
msg = str(exc_info.value)
assert msg == "Schema AST node must be a SchemaDefinitionNode."
def check_type_definition_node():
assert not is_type_definition_node(Node())
assert not is_type_definition_node(DocumentNode())
assert is_type_definition_node(TypeDefinitionNode())
assert is_type_definition_node(ScalarTypeDefinitionNode())
assert not is_type_definition_node(TypeSystemDefinitionNode())
assert not is_type_definition_node(DefinitionNode())
assert not is_type_definition_node(TypeNode())
def returns_description_of_type_definition_node():
assert (
get_description(
TypeDefinitionNode(
description=StringValueNode(value="This is a type definition")
)
)
== "This is a type definition"
)