def test_verify_path_regexp_exists(self):
     with mock.patch('cq_cfg_presubmit.os.path.exists') as exists:
         exists.side_effect = [True]
         self.assertTrue(
             cq_cfg_presubmit.verify_path_regexps([
                 'simple/file',
             ]))
 def test_verify_path_regexp_os_walk_not_found(self):
     with mock.patch('cq_cfg_presubmit.os.walk') as walk:
         walk.side_effect = [((
             os.path.join(cq_cfg_presubmit.CHROMIUM_DIR, 'random'),
             None,
             ['test.txt'],
         ), )]
         with mock.patch('cq_cfg_presubmit.os.path.exists') as exists:
             exists.side_effect = [False]
             self.assertFalse(
                 cq_cfg_presubmit.verify_path_regexps([
                     'simple/file/.+',
                 ], False))