def test_ascii_sq_key_non_string(self):
self.assertRaises(TypeError,
lambda: hash_functions.h_ascii_sq(int(4), 8))
self.assertRaises(TypeError,
lambda: hash_functions.h_ascii_sq(float(4), 8))
self.assertRaises(TypeError,
lambda: hash_functions.h_ascii_sq([5, 6], 8))
self.assertRaises(TypeError,
lambda: hash_functions.h_ascii_sq(True, 8))
def test_ascii_sq_length_non_int(self):
self.assertRaises(
TypeError,
lambda: hash_functions.h_ascii_sq('string', float(420.69)))
self.assertRaises(
TypeError, lambda: hash_functions.h_ascii_sq('string', 'string'))
self.assertRaises(TypeError,
lambda: hash_functions.h_ascii_sq('string', True))
self.assertRaises(TypeError,
lambda: hash_functions.h_ascii_sq('string', [9, 10]))
def test_ascii_sq(self):
letters = string.ascii_lowercase + string.ascii_uppercase
for i in range(100):
sum_sq = 0
test_length = rdm.randint(1, 100)
test_key = ''
for j in range(rdm.randint(1, 100)):
letter = rdm.choice(letters)
test_key += letter
for k in range(len(test_key)):
sum_sq += ord(test_key[k])**2
r = sum_sq % test_length
self.assertEqual(hash_functions.h_ascii_sq(test_key, test_length),
r)
def test_ascii_sq_null(self):
self.assertRaises(TypeError, lambda: hash_functions.h_ascii_sq())
def test_ascii_sq_key_none(self):
self.assertEqual(hash_functions.h_ascii_sq(None, 5), None)
def test_ascii_sq_N_none(self):
self.assertEqual(hash_functions.h_ascii_sq('hello', None), None)
def test_ascii_sq_neg_table(self):
self.assertEqual(hash_functions.h_ascii_sq('string', -42), None)
def test_ascii_sq_zero_table(self):
self.assertEqual(hash_functions.h_ascii_sq('string', 0), None)