old_contents: import unittest
  
  from run_length_encoding import encode, decode
  
  
  # Tests adapted from `problem-specifications//canonical-data.json` @ v1.0.0
  
  class WordCountTests(unittest.TestCase):
      def test_encode_empty_string(self):
          self.assertMultiLineEqual(encode(''), '')
  
      def test_encode_single_characters_only_are_encoded_without_count(self):
          self.assertMultiLineEqual(encode('XYZ'), 'XYZ')
  
      def test_encode_string_with_no_single_characters(self):
          self.assertMultiLineEqual(encode('AABBBCCCC'), '2A3B4C')
  
      def test_encode_single_characters_mixed_with_repeated_characters(self):
          self.assertMultiLineEqual(
              encode('WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWB'),
              '12WB12W3B24WB')
  
      def test_encode_multiple_whitespace_mixed_in_string(self):
          self.assertMultiLineEqual(encode('  hsqq qww  '), '2 hs2q q2w2 ')
  
      def test_encode_lowercase_characters(self):
          self.assertMultiLineEqual(encode('aabbbcccc'), '2a3b4c')
  
      def test_decode_empty_string(self):
          self.assertMultiLineEqual(decode(''), '')
  
      def test_decode_single_characters_only(self):
          self.assertMultiLineEqual(decode('XYZ'), 'XYZ')
  
      def test_decode_string_with_no_single_characters(self):
          self.assertMultiLineEqual(decode('2A3B4C'), 'AABBBCCCC')
  
      def test_decode_single_characters_with_repeated_characters(self):
          self.assertMultiLineEqual(
              decode('12WB12W3B24WB'),
              'WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWB')
  
      def test_decode_multiple_whitespace_mixed_in_string(self):
          self.assertMultiLineEqual(decode('2 hs2q q2w2 '), '  hsqq qww  ')
  
      def test_decode_lower_case_string(self):
          self.assertMultiLineEqual(decode('2a3b4c'), 'aabbbcccc')
  
      def test_combination(self):
          self.assertMultiLineEqual(decode(encode('zzz ZZ  zZ')), 'zzz ZZ  zZ')
  
  
  if __name__ == '__main__':
      unittest.main()
  
new_contents: import unittest
  
  from run_length_encoding import encode, decode
  
  
  # Tests adapted from `problem-specifications//canonical-data.json` @ v1.1.0
  
  class RunLengthEncodingTests(unittest.TestCase):
      def test_encode_empty_string(self):
          self.assertMultiLineEqual(encode(''), '')
  
      def test_encode_single_characters_only_are_encoded_without_count(self):
          self.assertMultiLineEqual(encode('XYZ'), 'XYZ')
  
      def test_encode_string_with_no_single_characters(self):
          self.assertMultiLineEqual(encode('AABBBCCCC'), '2A3B4C')
  
      def test_encode_single_characters_mixed_with_repeated_characters(self):
          self.assertMultiLineEqual(
              encode('WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWB'),
              '12WB12W3B24WB')
  
      def test_encode_multiple_whitespace_mixed_in_string(self):
          self.assertMultiLineEqual(encode('  hsqq qww  '), '2 hs2q q2w2 ')
  
      def test_encode_lowercase_characters(self):
          self.assertMultiLineEqual(encode('aabbbcccc'), '2a3b4c')
  
      def test_decode_empty_string(self):
          self.assertMultiLineEqual(decode(''), '')
  
      def test_decode_single_characters_only(self):
          self.assertMultiLineEqual(decode('XYZ'), 'XYZ')
  
      def test_decode_string_with_no_single_characters(self):
          self.assertMultiLineEqual(decode('2A3B4C'), 'AABBBCCCC')
  
      def test_decode_single_characters_with_repeated_characters(self):
          self.assertMultiLineEqual(
              decode('12WB12W3B24WB'),
              'WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWB')
  
      def test_decode_multiple_whitespace_mixed_in_string(self):
          self.assertMultiLineEqual(decode('2 hs2q q2w2 '), '  hsqq qww  ')
  
      def test_decode_lower_case_string(self):
          self.assertMultiLineEqual(decode('2a3b4c'), 'aabbbcccc')
  
      def test_combination(self):
          self.assertMultiLineEqual(decode(encode('zzz ZZ  zZ')), 'zzz ZZ  zZ')
  
  
  if __name__ == '__main__':
      unittest.main()
  
subject: update tests to v1.1.0 (#1274)