def test_ribbon_readfile():
content = []
with open("input.secret") as f:
content = f.readlines()
ribbon = wrapping_paper_dimensions.calculate_ribbon(content)
print (ribbon)
assert 3812909 == ribbon
def test_ribbon():
assert 34 == wrapping_paper_dimensions.calculate_ribbon(["2x3x4"])
assert 14 == wrapping_paper_dimensions.calculate_ribbon(["1x1x10"])
assert 48 == wrapping_paper_dimensions.calculate_ribbon(["2x3x4", "1x1x10"])