def throws_for_use_of_leading_double_underscore():
with raises(GraphQLError) as exc_info:
assert assert_valid_name("__bad")
msg = exc_info.value.message
assert msg == (
"Name '__bad' must not begin with '__',"
" which is reserved by GraphQL introspection."
)
def pass_through_valid_name():
assert assert_valid_name("_ValidName123") == "_ValidName123"
def throws_for_names_with_invalid_characters():
with raises(GraphQLError, match="Names must match"):
assert_valid_name(">--()-->")
def throws_for_non_strings():
with raises(TypeError) as exc_info:
# noinspection PyTypeChecker
assert_valid_name({}) # type: ignore
msg = str(exc_info.value)
assert msg == "Expected name to be a string."
def throws_for_names_with_invalid_characters():
with raises(GraphQLError) as exc_info:
assert_valid_name(">--()-->")
msg = exc_info.value.message
assert "Names must match" in msg
def throws_for_non_strings():
with raises(TypeError) as exc_info:
# noinspection PyTypeChecker
assert_valid_name({})
msg = str(exc_info.value)
assert msg == 'Expected string'