def test_dna_returns_list_of_ints_between_1_and_4(self, mock_method: Mock):
encoder = PrgEncoder()
actual = encoder._encode_unit("ACGT")
expected = [1, 2, 3, 4]
self.assertEqual(actual, expected)
self.assertEqual(mock_method.call_args_list, [call(c) for c in "ACGT"])
def test_invalid_string_fails(self):
encoder = PrgEncoder()
with self.assertRaises(EncodeError):
encoder._encode_unit("foo")
def test_single_numeric_chars_converted_to_ints(self, integer):
encoder = PrgEncoder()
actual = encoder._encode_unit(str(integer))
expected = [integer]
self.assertEqual(actual, expected)
def test_encode_empty_string_fails(self):
encoder = PrgEncoder()
with self.assertRaises(EncodeError):
encoder._encode_unit("")
