old_contents: #!/usr/bin/python
  # -*- coding: utf-8 -*-
  """Tests for the tests package."""
  #
  # (C) Pywikibot team, 2014-2020
  #
  # Distributed under the terms of the MIT license.
  from contextlib import suppress
  
  from tests.aspects import unittest, TestCase
  
  
  class HttpServerProblemTestCase(TestCase):
  
      """Test HTTP status 502 causes this test class to be skipped."""
  
      sites = {
          '502': {
              'hostname': 'http://httpbin.org/status/502',
          }
      }
  
      def test_502(self):
          """Test a HTTP 502 response using http://httpbin.org/status/502."""
          self.fail('The test framework should skip this test.')
  
  
  class TestLengthAssert(TestCase):
  
      """Test length assertion methods."""
  
      net = False
  
      seq1 = ('foo', 'bar', 'baz')
      seq2 = 'foo'
  
      def test_assert_is_emtpy(self):
          """Test assertIsEmpty method."""
          self.assertIsEmpty([])
          self.assertIsEmpty('')
  
      @unittest.expectedFailure
      def test_assert_is_emtpy_fail(self):
          """Test assertIsEmpty method failing."""
          self.assertIsEmpty(self.seq1)
          self.assertIsEmpty(self.seq2)
  
      def test_assert_is_not_emtpy(self):
          """Test assertIsNotEmpty method."""
          self.assertIsNotEmpty(self.seq1)
          self.assertIsNotEmpty(self.seq2)
  
      @unittest.expectedFailure
      def test_assert_is_not_emtpy_fail(self):
          """Test assertIsNotEmpty method."""
          self.assertIsNotEmpty([])
          self.assertIsNotEmpty('')
  
      def test_assert_length(self):
          """Test assertIsNotEmpty method."""
          self.assertLength([], 0)
          self.assertLength(self.seq1, 3)
          self.assertLength(self.seq1, self.seq2)
  
      @unittest.expectedFailure
      def test_assert_length_fail(self):
          """Test assertIsNotEmpty method."""
          self.assertLength([], 1)
          self.assertLength(self.seq1, 0)
          self.assertLength(None, self.seq)
  
  
  if __name__ == '__main__':  # pragma: no cover
      with suppress(SystemExit):
          unittest.main()
  
new_contents: #!/usr/bin/python
  # -*- coding: utf-8 -*-
  """Tests for the tests package."""
  #
  # (C) Pywikibot team, 2014-2020
  #
  # Distributed under the terms of the MIT license.
  from contextlib import suppress
  
  from tests.aspects import unittest, TestCase
  
  
  class HttpServerProblemTestCase(TestCase):
  
      """Test HTTP status 502 causes this test class to be skipped."""
  
      sites = {
          '502': {
              'hostname': 'http://httpbin.org/status/502',
          }
      }
  
      def test_502(self):
          """Test a HTTP 502 response using http://httpbin.org/status/502."""
          self.fail('The test framework should skip this test.')
  
  
  class TestLengthAssert(TestCase):
  
      """Test length assertion methods."""
  
      net = False
  
      seq1 = ('foo', 'bar', 'baz')
      seq2 = 'foo'
  
      def test_assert_is_empty(self):
          """Test assertIsEmpty method."""
          self.assertIsEmpty([])
          self.assertIsEmpty('')
  
      @unittest.expectedFailure
      def test_assert_is_empty_fail(self):
          """Test assertIsEmpty method failing."""
          self.assertIsEmpty(self.seq1)
          self.assertIsEmpty(self.seq2)
  
      def test_assert_is_not_empty(self):
          """Test assertIsNotEmpty method."""
          self.assertIsNotEmpty(self.seq1)
          self.assertIsNotEmpty(self.seq2)
  
      @unittest.expectedFailure
      def test_assert_is_not_empty_fail(self):
          """Test assertIsNotEmpty method."""
          self.assertIsNotEmpty([])
          self.assertIsNotEmpty('')
  
      def test_assert_length(self):
          """Test assertIsNotEmpty method."""
          self.assertLength([], 0)
          self.assertLength(self.seq1, 3)
          self.assertLength(self.seq1, self.seq2)
  
      @unittest.expectedFailure
      def test_assert_length_fail(self):
          """Test assertIsNotEmpty method."""
          self.assertLength([], 1)
          self.assertLength(self.seq1, 0)
          self.assertLength(None, self.seq)
  
  
  if __name__ == '__main__':  # pragma: no cover
      with suppress(SystemExit):
          unittest.main()
  
subject: Fix a typo: emtpy -> empty