def test_un_indent_reduces_list_len_by_1(self):
numbers = [1]
prefix = linenumber.NumericPrefix(numbers)
prefix.indent()
prefix.indent()
prefix.indent()
prefix.un_indent()
self.assertEqual(3, len(prefix.numbers))
def test_indent_increases_list_len_by_1(self):
prefix = linenumber.NumericPrefix()
prefix.indent()
self.assertEqual(2, len(prefix.numbers))
def test_increment_increments_last_number(self):
prefix = linenumber.NumericPrefix()
prefix.increment()
self.assertEqual(2, prefix.numbers[-1])
def test_increment_increments_last_number_only(self):
prefix = linenumber.NumericPrefix([1534, 435, 32])
prefix.increment()
self.assertEqual(33, prefix.numbers[2])
self.assertEqual(435, prefix.numbers[1])
self.assertEqual(1534, prefix.numbers[0])
def test_str_returns_string_greater_equal_number_list(self):
numbers = [1, 3, 4000, 5, 100]
numbers_len = len("".join(map(str, numbers)))
prefix = linenumber.NumericPrefix(numbers)
string = str(prefix)
self.assertGreaterEqual(len(string), numbers_len)
def test_str_returns_string_that_is_not_empty_or_whitespace(self):
prefix = linenumber.NumericPrefix()
string = str(prefix)
self.assertTrue(string)
self.assertFalse(string.isspace())
def test_str_returns_string(self):
prefix = linenumber.NumericPrefix()
string = str(prefix)
self.assertIsNotNone(string)
def test_constructor_without_numbers_argument_assigns_new_list(self):
prefix = linenumber.NumericPrefix()
self.assertIsNotNone(prefix.numbers)
self.assertEqual(1, len(prefix.numbers))
def test_constructor_assigns_numbers(self):
numbers = [1, 4, 5, 3]
prefix = linenumber.NumericPrefix(numbers)
self.assertEqual(numbers, prefix.numbers)