How to use is_kind_supported_by_runner_command method in avocado

Best Python code snippet using avocado_python

runnable.py

Source:runnable.py

...319                "configuration_used", []320            )321        return capabilities322    @staticmethod323    def is_kind_supported_by_runner_command(324        kind, runner_cmd, capabilities=None, env=None325    ):326        """Checks if a runner command that seems a good fit declares support."""327        if capabilities is None:328            capabilities = Runnable.get_capabilities_from_runner_command(329                runner_cmd, env330            )331        return kind in capabilities.get("runnables", [])332    @staticmethod333    def _module_exists(module_name):334        """Returns whether a nrunner "runner" module exists."""335        module_filename = f"{module_name}.py"336        mod_path = os.path.join("plugins", "runners", module_filename)337        return pkg_resources.resource_exists("avocado", mod_path)338    @staticmethod339    def pick_runner_command(kind, runners_registry=None):340        """Selects a runner command based on the runner kind.341        And when finding a suitable runner, keeps found runners in registry.342        This utility function will look at the given kind and try to find343        a matching runner.  The matching runner probe results are kept in344        a registry (that is modified by this function) so that further345        executions take advantage of previous probes.346        This is related to the :data:`SpawnMethod.STANDALONE_EXECUTABLE`347        :param kind: runners' kind348        :type kind: str349        :param runners_registry: a registry with previously found (and not350                                 found) runners keyed by runnable kind351        :type runners_registry: dict352        :returns: command line arguments to execute the runner353        :rtype: list of str or None354        """355        if runners_registry is None:356            runners_registry = RUNNERS_REGISTRY_STANDALONE_EXECUTABLE357        runner_cmd = runners_registry.get(kind)358        if runner_cmd is False:359            return None360        if runner_cmd is not None:361            return runner_cmd362        # When running Avocado Python modules, the interpreter on the new363        # process needs to know where Avocado can be found.364        env = os.environ.copy()365        env["PYTHONPATH"] = ":".join(p for p in sys.path)366        standalone_executable_cmd = [f"avocado-runner-{kind}"]367        if Runnable.is_kind_supported_by_runner_command(368            kind, standalone_executable_cmd369        ):370            runners_registry[kind] = standalone_executable_cmd371            return standalone_executable_cmd372        # attempt to find Python module files that are named after the373        # runner convention within the avocado.plugins.runners namespace dir.374        # Looking for the file only avoids an attempt to load the module375        # and should be a lot faster376        module_name = kind.replace("-", "_")377        if Runnable._module_exists(module_name):378            full_module_name = f"avocado.plugins.runners.{module_name}"379            candidate_cmd = [sys.executable, "-m", full_module_name]380            if Runnable.is_kind_supported_by_runner_command(381                kind, candidate_cmd, env=env382            ):383                runners_registry[kind] = candidate_cmd384                return candidate_cmd385        # look for the runner commands implemented in the base nrunner module386        candidate_cmd = [sys.executable, "-m", "avocado.core.nrunner"]387        if Runnable.is_kind_supported_by_runner_command(kind, candidate_cmd, env=env):388            runners_registry[kind] = candidate_cmd389            return candidate_cmd390        # exhausted probes, let's save the negative on the cache and avoid391        # future similar problems392        runners_registry[kind] = False393    def runner_command(self, runners_registry=None):394        """Selects a runner command based on the runner.395        And when finding a suitable runner, keeps found runners in registry.396        This utility function will look at the given task and try to find397        a matching runner.  The matching runner probe results are kept in398        a registry (that is modified by this function) so that further399        executions take advantage of previous probes.400        This is related to the :data:`SpawnMethod.STANDALONE_EXECUTABLE`401        :param runners_registry: a registry with previously found (and not...

test_nrunner.py

Source:test_nrunner.py

...364    def test_is_task_kind_supported(self):365        cmd = ['sh', '-c',366               'test $0 = capabilities && '367               'echo -n {\\"runnables\\": [\\"mykind\\"]}']368        self.assertTrue(self.runnable.is_kind_supported_by_runner_command(cmd))369    def test_is_task_kind_supported_other_kind(self):370        cmd = ['sh', '-c',371               'test $0 = capabilities && '372               'echo -n {\\"runnables\\": [\\"otherkind\\"]}']373        self.assertFalse(self.runnable.is_kind_supported_by_runner_command(cmd))374    def test_is_task_kind_supported_no_output(self):375        cmd = ['sh', '-c', 'echo -n ""']376        self.assertFalse(self.runnable.is_kind_supported_by_runner_command(cmd))377class PickRunner(unittest.TestCase):378    def setUp(self):379        self.runnable = nrunner.Runnable('lets-image-a-kind',380                                         'test_pick_runner_command')381    def test_pick_runner_command(self):382        runner = ['avocado-runner-lets-image-a-kind']383        known = {'lets-image-a-kind': runner}384        self.assertEqual(self.runnable.pick_runner_command(known), runner)385    def test_pick_runner_command_empty(self):386        self.assertFalse(self.runnable.pick_runner_command({}))387if __name__ == '__main__':...

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