def test_countdown_input_validation():
# not enough arguments
with pytest.raises(AssertionError):
countdown("1 2 3")
# negative arguments
with pytest.raises(AssertionError):
countdown("1 2 3 4 5 6 -7")
def test_countdown_input_validation():
# not enough arguments
with pytest.raises(AssertionError):
countdown("1 2 3")
# negative arguments
with pytest.raises(AssertionError):
countdown("1 2 3 4 5 6 -7")
def test_countdown_performance():
""" Evaluates the performance in the worst case. """
profiler = cProfile.Profile()
profiler.enable()
countdown("0 0 0 0 0 0 1000")
profiler.disable()
stats = profiler.getstats()
tot_time = stats[0].totaltime
assert tot_time < 3, "Wow, your computer is really slow. Or is it my code?"
def test_countdown_performance():
""" Evaluates the performance in the worst case. """
profiler = cProfile.Profile()
profiler.enable()
countdown("0 0 0 0 0 0 1000")
profiler.disable()
stats = profiler.getstats()
tot_time = stats[0].totaltime
assert tot_time < 3, "Wow, your computer is really slow. Or is it my code?"
def test_countdown_correctness():
# trivial case
assert countdown("1 2 3 4 5 6 1") == "1 = 1"
# provided examples
assert countdown("1 2 3 4 5 6 12") == "2 * 6 = 12"
assert countdown("5 8 6 25 13 87 390") == "5 * 6 * 13 = 390"
# operations with zeros (incl. div by zero)
assert countdown("0 0 0 0 0 0 1000") == "0 = 0"
def test_countdown_correctness():
# trivial case
assert countdown("1 2 3 4 5 6 1") == "1 = 1"
# provided examples
assert countdown("1 2 3 4 5 6 12") == "2 * 6 = 12"
assert countdown("5 8 6 25 13 87 390") == "5 * 6 * 13 = 390"
# operations with zeros (incl. div by zero)
assert countdown("0 0 0 0 0 0 1000") == "0 = 0"