def test_compact_raises_value_error_on_undefined_input_array(self): with self.assertRaises(ValueError): compact(None)
def test_compact_returns_correct_output_on_valid_input_array(self): self.assertEqual(compact([1, 1, 3, 4, 4, 5, 6]), [1, 3, 4, 5, 6]) self.assertEqual(compact([100, 71, 71, 71, 35, 16, 12, 9, 9, 0, 0]), [100, 71, 35, 16, 12, 9, 0]) self.assertEqual(compact([100, 100, 71, 71, 71, 35, 35, 16, 12, 9, 9, 8, 3, 3, 0, 0]), [100, 71, 35, 16, 12, 9, 8, 3, 0])
def test_compact_returns_empty_array_if_input_array_is_empty(self): self.assertEqual(compact([]), [])
def test_compact_returns_same_array_if_input_array_has_one_element(self): self.assertEqual(compact([20]), [20])
def test_compact_raises_type_error_on_a_non_list_type(self): with self.assertRaises(TypeError): compact({})