Python Line.move_back示例

示例#1

 def test_move_back_first_element(self):
     paragraph = [
         'A:\n', '    E:\n', '        C: Cc\n', '        D: Dd\n',
         '    B: Bb\n'
     ]
     line = Line('A:\n', paragraph)
     with self.assertRaises(IndexError):
         line.move_back()

示例#2

 def test_simple(self):
     paragraph = [
         'A:\n', '    E:\n', '        C: Cc\n', '        D: Dd\n',
         '    B: Bb\n'
     ]
     line = Line('    B: Bb\n', paragraph)
     line.move_back()
     self.assertEqual(paragraph, [
         'A:\n', '    E:\n', '        C: Cc\n', '    B: Bb\n',
         '        D: Dd\n'
     ])