def test_initialize_pipe_variables_partial(string_generator):
engine.initialize_pipe_variables(string_generator)
g = string_generator
assert g.output_name == "string"
assert g.input_name == "string"
assert g.output_type is None
assert g.input_type is None
assert g.pass_state == False
def test_initialize_pipe_variables_full(plain_generator):
engine.initialize_pipe_variables(plain_generator)
g = plain_generator
assert isinstance(g.output_name, base.Default)
assert isinstance(g.input_name, base.Default)
assert g.input_type is None
assert g.output_type is None
# Default values for input and output should never be equal
assert g.input_name is not g.output_name
# Passing state should always default to False for convenience
assert g.pass_state == False
