def test_to_string_builder(self):
s = sb.StringBuilder("wow")
self.assertTrue(isinstance(s.to_string(), str))
def test_iter_str_builder(self):
original_str = "wow"
str_builder = sb.StringBuilder(original_str)
for i, s in enumerate(str_builder):
self.assertEqual(original_str[i], s)
def test_concat_str_builder(self):
original_str = "wow"
s = sb.StringBuilder(original_str)
s += original_str
self.assertEqual('{}{}'.format(original_str, original_str), str(s))
def test_noarg_builder(self):
s = sb.StringBuilder()
self.assertTrue(isinstance(s, sb.StringBuilder))
self.assertEqual(len(s), 0)
def test_len_str_builder(self):
original_str = "wow"
s = sb.StringBuilder(original_str)
self.assertEqual(len(original_str), len(s))
def test_get_substring_builder(self):
original_str = "wow, such a nice builder"
s = sb.StringBuilder(original_str)
sub_str = s[:3]
self.assertEqual("wow", sub_str)
def test_convert_to_str_builder(self):
s = sb.StringBuilder("wow")
self.assertTrue(isinstance(str(s), str))
def test_modify_str_builder(self):
original_str = "wow, such a nice builder"
modified_str = "whee, such a nice builder"
s = sb.StringBuilder(original_str)
s[:3] = "whee"
self.assertEqual(modified_str, str(s))
def test_chained_append_builder(self):
expected_str = "wow"
s = sb.StringBuilder()
s.append(expected_str).append(expected_str)
self.assertEqual('{}{}'.format(expected_str, expected_str), str(s))
def test_append_builder(self):
expected_str = "wow"
s = sb.StringBuilder()
s.append(expected_str)
self.assertEqual(expected_str, str(s))
def test_arg_builder(self):
expected_str = "wow"
s = sb.StringBuilder(expected_str)
self.assertTrue(isinstance(s, sb.StringBuilder))
self.assertEqual(len(s), len(expected_str))
self.assertEqual(expected_str, str(s))
def test_empty_builder(self):
s = sb.StringBuilder("")
self.assertTrue(isinstance(s, sb.StringBuilder))
self.assertEqual(len(s), 0)