def test_case5():
sort_direction = json.load(open("case5.json", "r"))
result = sort(sort_direction)
assert result == []
def test_case1():
fixture = json.load(open("fixture/case1.json", "r"))
sort_direction = json.load(open("case1.json", "r"))
result = sort(sort_direction)
assert fixture == result
def test_case4():
result = sort(None)
assert result == "Ordering Exception"