def test_delete_config_calls_cache_del(self):
        with patch.object(
                NativeProxy, 'cache_exists', self.cache_true
        ), patch.object(NativeProxy, 'cache_del', self.cache_del):
            config_cache = ConfigCache()
            config_cache.delete_config()

        self.cache_del.assert_called_once_with(
            'worker_configuration', CACHE_CONFIG)
    def test_delete_config_calls_cache_del(self):
        with patch.object(NativeProxy, 'cache_exists',
                          self.cache_true), patch.object(
                              NativeProxy, 'cache_del', self.cache_del):
            config_cache = ConfigCache()
            config_cache.delete_config()

        self.cache_del.assert_called_once_with('worker_configuration',
                                               CACHE_CONFIG)
    def test_delete_config_does_not_call_cache_del(self):
        with patch.object(
                NativeProxy, 'cache_exists', self.cache_false
        ), patch.object(NativeProxy, 'cache_del', self.cache_del):
            config_cache = ConfigCache()
            config_cache.delete_config()

        with self.assertRaises(AssertionError):
            self.cache_del.assert_called_once_with(
                'worker_configuration', CACHE_CONFIG)
    def test_delete_config_does_not_call_cache_del(self):
        with patch.object(NativeProxy, 'cache_exists',
                          self.cache_false), patch.object(
                              NativeProxy, 'cache_del', self.cache_del):
            config_cache = ConfigCache()
            config_cache.delete_config()

        with self.assertRaises(AssertionError):
            self.cache_del.assert_called_once_with('worker_configuration',
                                                   CACHE_CONFIG)