def test_type_0(self):
with self.assertRaises(TypeError):
comma_code(None)
def test_3(self):
self.assertEqual(comma_code(['apples', 'bananas', 'tofu',]),
'apples, bananas and tofu',
"comma_code(['apples', 'bananas']) != 'apples, bananas and tofu'")
def test_5(self):
self.assertEqual(comma_code(['apples', 'bananas', 'tofu', 'cats', 'dogs']),
'apples, bananas, tofu, cats and dogs',
"Ooops...")
def test_2(self):
self.assertEqual(comma_code(['apples', 'bananas']),
'apples and bananas',
"comma_code(['apples', 'bananas']) != 'apples and bananas'")
def test_1(self):
self.assertEqual(comma_code(['apples']), 'apples',
"comma_code(['apples']) != 'apples'")
def test_0(self):
self.assertEqual(comma_code([]), '', "comma_code([]) != ''")
def test_type_2(self):
self.assertEqual(comma_code(list(range(3))), '0, 1 and 2', "int !-> str")
def test_type_1(self):
with self.assertRaises(TypeError):
comma_code(123)