def test_generate_random_file_name_only_adds_one_period(self):
     self.assertEqual(len(generateRandomFileName().split('.')),2)
 def test_generate_random_file_name_correclty_adds_submitted_extension(self):
     extensions = ['.one', '.two', 'three']
     generatedExtension = '.' + generateRandomFileName(extensions).split('.')[1]
     self.assertTrue(extensions.__contains__(generatedExtension))
 def test_generate_random_file_name_returns_string(self):
     self.assertTrue(isinstance(generateRandomFileName(), str))