def test_zero():
assert fibonacci(0) == 0
def test_possitive_number():
assert fibonacci(1) == 1
def test_negative_number():
assert fibonacci(-1) == "Negative number entered: -1. Please use numbers that above 0."
def test_cache_reporting_when_disabled(capsys):
result = fibonacci(5)
out, err = capsys.readouterr()
assert result == 5
assert out == ""
def test_cache_reporting_when_enabled(capsys):
result = fibonacci(5, True)
out, err = capsys.readouterr()
assert result == 5
assert out == "[5] IS in cache\n"
def test_large_number():
assert fibonacci(50) == 12586269025
def generate_fibs():
for x in range(int(limit)):
if not debug:
yield str(fibonacci(x)) + '\n'
else:
yield str(fibonacci(x, True)) + '\n'