def test_equals_2(self): self.assertEqual(to_currency(1234), '1,234')
def test_equals_4(self): self.assertEqual(to_currency(123456789012), '123,456,789,012')
def test_equals(self): self.assertEqual(to_currency(123456), '123,456')
def test_equals_3(self): self.assertEqual(to_currency(123), '123')