old_contents: import unittest
  
  from acronym import abbreviate
  
  
  # Tests adapted from `problem-specifications//canonical-data.json` @ v1.1.0
  
  class AcronymTest(unittest.TestCase):
      def test_basic(self):
          self.assertEqual(abbreviate('Portable Network Graphics'), 'PNG')
  
      def test_lowercase_words(self):
          self.assertEqual(abbreviate('Ruby on Rails'), 'ROR')
  
      def test_punctuation(self):
          self.assertEqual(abbreviate('First In, First Out'), 'FIFO')
  
      def test_all_caps_words(self):
          self.assertEqual(abbreviate('PHP: Hypertext Preprocessor'), 'PHP')
  
      def test_non_acronym_all_caps_word(self):
          self.assertEqual(abbreviate('GNU Image Manipulation Program'), 'GIMP')
  
      def test_hyphenated(self):
          self.assertEqual(
              abbreviate('Complementary metal-oxide semiconductor'), 'CMOS')
  
  
  if __name__ == '__main__':
      unittest.main()
  
new_contents: import unittest
  
  from acronym import abbreviate
  
  
  # Tests adapted from `problem-specifications//canonical-data.json` @ v1.3.0
  
  class AcronymTest(unittest.TestCase):
      def test_basic(self):
          self.assertEqual(abbreviate('Portable Network Graphics'), 'PNG')
  
      def test_lowercase_words(self):
          self.assertEqual(abbreviate('Ruby on Rails'), 'ROR')
  
      def test_punctuation(self):
          self.assertEqual(abbreviate('First In, First Out'), 'FIFO')
  
      def test_all_caps_words(self):
          self.assertEqual(abbreviate('GNU Image Manipulation Program'), 'GIMP')
  
      def test_punctuation_without_whitespace(self):
          self.assertEqual(
              abbreviate('Complementary metal-oxide semiconductor'), 'CMOS')
  
  
  if __name__ == '__main__':
      unittest.main()
  
subject: update tests to v1.3.0 (#1284)