def test_fib_non_base_values(self):
assert sequence.fibonacci(2) == 1
assert sequence.fibonacci(3) == 2
assert sequence.fibonacci(4) == 3
assert sequence.fibonacci(5) == 5
assert sequence.fibonacci(6) == 8
assert sequence.fibonacci(7) == 13
assert sequence.fibonacci(8) == 21
assert sequence.fibonacci(9) == 34
assert sequence.fibonacci(10) == 55
def test_fib_neg_value(self):
with pytest.raises(ValueError):
sequence.fibonacci(-1)
def test_fib_large_number(self):
assert sequence.fibonacci(100) == 354224848179261915075
def test_fib_base_1(self):
assert sequence.fibonacci(1) == 1
def test_fib_base_0(self):
assert sequence.fibonacci(0) == 0