def test_serialise_str_helper():
    c1 = framecurve.parse_str("1\t2")
    o1 = framecurve.serialize_str(c1)
    expected = """# http://framecurve.org/specification-v1\r\n# at_frame\tuse_frame_of_source\r\n1\t2.00000\r\n"""
    assert o1 == expected
def test_parse_str_helper():
    c1 = framecurve.parse_str("1\t2")
    print c1
    assert c1[0].at == 1
    assert c1[0].value == 2.0