def test_string_reverser_with_default_string(self):
reversed_string = string_reverser('string')
expected_value = 'gnirts'
self.assertEqual(expected_value, reversed_string)
def test_string_reverser_with_none_value(self):
with self.assertRaises(TypeError) as context:
self.assertRaises(TypeError, string_reverser(None))
exception_message = str(context.exception)
self.assertEqual('TypeError', exception_message)
def test_string_reverser_with_zero_terminator(self):
reversed_string = string_reverser('\0')
expected_value = '\0'
self.assertEqual(expected_value, reversed_string)
def test_string_reverser_with_mirrored_special_symbols_2(self):
reversed_string = string_reverser('\\0')
expected_value = '0\\'
self.assertEqual(expected_value, reversed_string)
def test_string_reverser_with_set_of_special_symbols_2(self):
reversed_string = string_reverser('\0\n\t')
expected_value = '\t\n\0'
self.assertEqual(expected_value, reversed_string)
def test_string_reverser_with_special_symbol(self):
reversed_string = string_reverser('\n')
expected_value = '\n'
self.assertEqual(expected_value, reversed_string)
def test_string_reverser_with_empty_string(self):
reversed_string = string_reverser('')
expected_value = ''
self.assertEqual(expected_value, reversed_string)
def test_string_reverser_with_list_value(self):
with self.assertRaises(TypeError) as context:
self.assertRaises(TypeError, string_reverser(['1', '2', '3', '4']))
exception_message = str(context.exception)
self.assertEqual('TypeError', exception_message)
