def test_fib_all_negative(n: int): """Check that all negative values raise value error.""" # Why not just use PyTest's parameters here? with pytest.raises(ValueError): fib(n)
def test_fib_minus_one(): """Check that calling fib function raises an exception if called with minus one.""" with pytest.raises(ValueError): fib(-1)
def test_fib_minus_tree(): """Check that calling fib function with minus three raises an exception.""" with pytest.raises(ValueError): fib(-3)
def test_fib_zero(): """Check zero'th element of an Fibonacci sequence - does 0th number exist?""" with pytest.raises(ValueError): fib(0)
def test_fib_three(): assert fib(3) == 1, "Wrong third Fibonacci number"
def test_fib_two(): assert fib(2) == 1, "Should be 1 for the second Fibonacci number"
def test_fib_one(): assert fib(1) == 0, "The very first Fibonacci number should be 0"
def test_fib_minus_two(): """Check that calling fib function with minus two raises an exception.""" with pytest.raises(RuntimeError): fib(-2)