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How to use call_until_true method in tempest

Best Python code snippet using tempest_python

test_test_utils.py

Source:test_test_utils.py

...68class TestCallUntilTrue(base.TestCase):69    def test_call_until_true_when_true_at_first_call(self):70        """func returns True at first call71        """72        self._test_call_until_true(return_values=[True],73                                   duration=30.,74                                   time_sequence=[10., 60.])75    def test_call_until_true_when_true_before_timeout(self):76        """func returns false at first call, then True before timeout77        """78        self._test_call_until_true(return_values=[False, True],79                                   duration=30.,80                                   time_sequence=[10., 39., 41.])81    def test_call_until_true_when_never_true_before_timeout(self):82        """func returns false, then false, just before timeout83        """84        self._test_call_until_true(return_values=[False, False],85                                   duration=30.,86                                   time_sequence=[10., 39., 41.])87    def test_call_until_true_with_params(self):88        """func is called using given parameters89        """90        self._test_call_until_true(return_values=[False, True],91                                   duration=30.,92                                   time_sequence=[10., 30., 60.],93                                   args=(1, 2),94                                   kwargs=dict(foo='bar', bar='foo'))95    def _test_call_until_true(self, return_values, duration, time_sequence,96                              args=None, kwargs=None):97        """Test call_until_true function98        :param return_values: list of booleans values to be returned99        each time given function is called. If any of these values100        is not consumed by calling the function the test fails.101        The list must contain a sequence of False items terminated102        by a single True or False103        :param duration: parameter passed to call_until_true function104        (a floating point value).105        :param time_sequence: sequence of time values returned by106        mocked time.time function used to trigger call_until_true107        behavior when handling timeout condition. The sequence must108        contain the exact number of values expected to be consumed by109        each time call_until_true calls time.time function.110        :param args: sequence of positional arguments to be passed111        to call_until_true function.112        :param kwargs: sequence of named arguments to be passed113        to call_until_true function.114        """115        # all values except the last are False116        self.assertEqual([False] * len(return_values[:-1]), return_values[:-1])117        # last value can be True or False118        self.assertIn(return_values[-1], [True, False])119        # GIVEN120        func = mock.Mock(side_effect=return_values)121        sleep = 10.  # this value has no effect as time.sleep is being mocked122        sleep_func = self.patch('time.sleep')123        time_func = self._patch_time(time_sequence)124        args = args or tuple()125        kwargs = kwargs or dict()126        # WHEN127        result = test_utils.call_until_true(func, duration, sleep,128                                            *args, **kwargs)129        # THEN130        # It must return last returned value131        self.assertIs(return_values[-1], result)132        self._test_func_calls(func, return_values, *args, **kwargs)133        self._test_sleep_calls(sleep_func, return_values, sleep)134        # The number of times time.time is called is not relevant as a135        # requirement of call_until_true. What is instead relevant is that136        # call_until_true use a mocked function to make the test reliable137        # and the test actually provide the right sequence of numbers to138        # reproduce the behavior has to be tested139        self._assert_called_n_times(time_func, len(time_sequence))140    def _patch_time(self, time_sequence):141        # Iterator over time sequence...

wait-for-controller.py

Source:wait-for-controller.py

...9        timeout=bash_timout_sec10    ).strip()11    print(f'Response from broker: {output}')12    return 'OK' in output13healthy = call_until_true(14    name=service_name,15    sleep_time_sec=sleep_time_sec,16    max_calls=max_calls,17    func=func,18)19exit_wait_for_healthy(20    service_name=service_name,21    healthy=healthy,...

wait-for-broker.py

Source:wait-for-broker.py

...9        timeout=bash_timout_sec10    ).strip()11    print(f'Response from broker: {output}')12    return 'OK' in output13healthy = call_until_true(14    name=service_name,15    sleep_time_sec=sleep_time_sec,16    max_calls=max_calls,17    func=func,18)19exit_wait_for_healthy(20    service_name=service_name,21    healthy=healthy,...

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