def converts_id_values_to_int_or_string_asts():
assert ast_from_value("hello", GraphQLID) == StringValueNode(value="hello")
assert ast_from_value("VALUE", GraphQLID) == StringValueNode(value="VALUE")
# Note: EnumValues cannot contain non-identifier characters
assert ast_from_value("VA\nLUE", GraphQLID) == StringValueNode(value="VA\nLUE")
# Note: IntValues are used when possible.
assert ast_from_value(-1, GraphQLID) == IntValueNode(value="-1")
assert ast_from_value(123, GraphQLID) == IntValueNode(value="123")
assert ast_from_value("123", GraphQLID) == IntValueNode(value="123")
assert ast_from_value("01", GraphQLID) == StringValueNode(value="01")
with raises(GraphQLError) as exc_info:
assert ast_from_value(False, GraphQLID)
assert str(exc_info.value) == "ID cannot represent value: False"
assert ast_from_value(None, GraphQLID) == NullValueNode()
assert ast_from_value(Undefined, GraphQLString) is None
def converts_input_objects_with_explicit_nulls():
assert ast_from_value({
"foo": None
}, input_obj) == ObjectValueNode(fields=[
ObjectFieldNode(name=NameNode(value="foo"), value=NullValueNode())
])