def test_next_fib_num(self):
self.assertTrue(len(self.fib_terms) > 3,
msg="Need > 3 fib terms to test")
prev_1 = self.fib_terms[0]
prev_2 = self.fib_terms[1]
for fib_term in self.fib_terms[2:]:
self.assertEqual((prev_2, fib_term),
Fib.next_fib_num(prev_1, prev_2))
prev_1 = prev_2
prev_2 = fib_term
def test_fib_sum(self):
fib_sums = [0, 1, 2, 4, 7, 12, 20]
for i, fib_term in enumerate(fib_sums):
self.assertEqual(fib_term, Fib.fib_sum(i))
def test_fib_multi(self):
for i, fib_term in enumerate(self.fib_terms):
self.assertEqual(Fib.fib_term(i),
Fib.fib_num(Fib.fib_inv(fib_term)))
def test_closest_fib_num(self):
for i, fib_term in enumerate(self.fib_terms[1:]):
self.assertAlmostEqual(i,
Fib.closest_fib_num(i),
delta=fib_term - self.fib_terms[i])
def test_fib_num(self):
for i, fib_term in enumerate(self.fib_terms):
self.assertEqual(fib_term, Fib.fib_num(i))
def test_fib_inv(self):
for i, fib_term in enumerate(self.fib_terms):
if fib_term == 1:
self.assertAlmostEqual(i, Fib.fib_inv(fib_term), delta=1)
else:
self.assertEqual(i, Fib.fib_inv(fib_term))