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(TypeError) 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(INVALID, GraphQLString) is None
def converts_list_values_to_list_asts():
assert ast_from_value(
["FOO", "BAR"],
GraphQLList(GraphQLString)) == ListValueNode(values=[
StringValueNode(value="FOO"),
StringValueNode(value="BAR")
])
assert ast_from_value(["HELLO", "GOODBYE"],
GraphQLList(my_enum)) == ListValueNode(values=[
EnumValueNode(value="HELLO"),
EnumValueNode(value="GOODBYE")
])
def list_generator():
yield 1
yield 2
yield 3
assert ast_from_value(
list_generator(),
GraphQLList(GraphQLInt)) == (ListValueNode(values=[
IntValueNode(value="1"),
IntValueNode(value="2"),
IntValueNode(value="3"),
]))
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 check_value_node():
assert not is_value_node(Node())
assert not is_value_node(DocumentNode())
assert is_value_node(ValueNode())
assert is_value_node(IntValueNode())
assert is_value_node(ObjectValueNode())
assert not is_value_node(TypeNode())
def converts_int_values_to_int_asts():
assert ast_from_value(-1, GraphQLInt) == IntValueNode(value="-1")
assert ast_from_value(123.0, GraphQLInt) == IntValueNode(value="123")
assert ast_from_value(1e4, GraphQLInt) == IntValueNode(value="10000")
# GraphQL spec does not allow coercing non-integer values to Int to
# avoid accidental data loss.
with raises(GraphQLError) as exc_info:
assert ast_from_value(123.5, GraphQLInt)
msg = str(exc_info.value)
assert msg == "Int cannot represent non-integer value: 123.5"
# Note: outside the bounds of 32bit signed int.
with raises(GraphQLError) as exc_info:
assert ast_from_value(1e40, GraphQLInt)
msg = str(exc_info.value)
assert msg == "Int cannot represent non 32-bit signed integer value: 1e+40"
def parse_invalid_int_as_nan():
assert value_from_ast_untyped(IntValueNode(value="invalid")) is nan
