def inner_prod_test()

in tutorials/LinearAlgebra/testing.py [0:0]

• 19 lines of code
• 6 McCabe index (conditional complexity)

def inner_prod_test(fun):
    for i in range(10):
        v = gen_complex_matrix(w = 1)
        w = gen_complex_matrix(len(v), 1)
        expected = inner_prod_ref(v, w)
        actual = fun(v, w)
        if type(actual) == list:
            print("You should return a number, not a matrix")
            return
        if actual == None or actual == ...:
            print("Your function must return a value!")
            return
        if actual != approx(expected):
            print("Unexpected result of inner product:\n"
                  + gen_labeled_message([v, w], ["V: ", "W: "])
                  + "Expected: {0:.3f}\n\n".format(expected)
                  + "You returned: {0:.3f}\n\nTry again!".format(actual))
            return
    print("Success!")