How to use host_has_agent method in autotest

Best Python code snippet using autotest_python

host_scheduler_unittests.py

Source:host_scheduler_unittests.py

...189        frontend_task = self.db_helper.create_special_task(host_id=host.id)190        self._dispatcher._schedule_special_tasks()191        # The frontend special task shouldn't get scheduled on the host till192        # the host is leased.193        self.assertFalse(self._dispatcher.host_has_agent(host))194        # Create a job for the same host and make the host scheduler lease the195        # host out to that job.196        job =  self.create_job(deps=set(['a']))197        self.host_scheduler._schedule_jobs()198        hqe = self.db_helper.get_hqes(job_id=job.id)[0]199        tasks = self.job_query_manager.get_prioritized_special_tasks(200                only_tasks_with_leased_hosts=True)201        # We should not find the frontend special task, even though its host is202        # now leased, because its leased by an active hqe.203        self.assertTrue(len(tasks) == 1 and tasks[0].queue_entry_id == hqe.id)204        self._dispatcher._schedule_special_tasks()205        self.assertTrue(self._dispatcher.host_has_agent(host))206        # Deactivate the hqe task and make sure the frontend task gets the host.207        task = tasks[0]208        self._dispatcher.remove_agent(self._check_agent_invariants(host, task))209        task.is_complete = 1210        task.is_active = 0211        task.save()212        self.db_helper.update_hqe(hqe.id, active=False)213        self._dispatcher._schedule_special_tasks()214        self.assertTrue(self._dispatcher.host_has_agent(host))215        self._check_agent_invariants(host, frontend_task)216        # Make sure we don't release the host being used by the incomplete task.217        self.host_scheduler._release_hosts()218        host = self.db_helper.get_host(hostname='h1')[0]219        self.assertTrue(host.leased == True)220class SuiteRecorderTest(rdb_testing_utils.AbstractBaseRDBTester,221                        unittest.TestCase):222    """Test the functionality of SuiteRecorder"""223    _config_section = 'AUTOTEST_WEB'224    def testGetSuiteHostAssignment(self):225        """Test the initialization of SuiteRecord."""226        hosts = []227        num = 4228        for i in range (0, num):...

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