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How to use cmp_for_sort method in autotest

Best Python code snippet using autotest_python

scheduler_models_unittest.py

...143        host = scheduler_models.Host(id=test_host.id)144        platform, all_labels = host.platform_and_labels()145        self.assertIsNone(platform)146        self.assertEqual(all_labels, ['non_static_label', 'static_platform'])147    def test_cmp_for_sort(self):148        expected_order = [149                'alice', 'Host1', 'host2', 'host3', 'host09', 'HOST010',150                'host10', 'host11', 'yolkfolk']151        hostname_idx = list(scheduler_models.Host._fields).index('hostname')152        row = [None] * len(scheduler_models.Host._fields)153        hosts = []154        for hostname in expected_order:155            row[hostname_idx] = hostname156            hosts.append(scheduler_models.Host(row=row, new_record=True))157        host1 = hosts[expected_order.index('Host1')]158        host010 = hosts[expected_order.index('HOST010')]159        host10 = hosts[expected_order.index('host10')]160        host3 = hosts[expected_order.index('host3')]161        alice = hosts[expected_order.index('alice')]162        self.assertEqual(0, scheduler_models.Host.cmp_for_sort(host10, host10))163        self.assertEqual(1, scheduler_models.Host.cmp_for_sort(host10, host010))164        self.assertEqual(-1, scheduler_models.Host.cmp_for_sort(host010, host10))165        self.assertEqual(-1, scheduler_models.Host.cmp_for_sort(host1, host10))166        self.assertEqual(-1, scheduler_models.Host.cmp_for_sort(host1, host010))167        self.assertEqual(-1, scheduler_models.Host.cmp_for_sort(host3, host10))168        self.assertEqual(-1, scheduler_models.Host.cmp_for_sort(host3, host010))169        self.assertEqual(1, scheduler_models.Host.cmp_for_sort(host3, host1))170        self.assertEqual(-1, scheduler_models.Host.cmp_for_sort(host1, host3))171        self.assertEqual(-1, scheduler_models.Host.cmp_for_sort(alice, host3))172        self.assertEqual(1, scheduler_models.Host.cmp_for_sort(host3, alice))173        self.assertEqual(0, scheduler_models.Host.cmp_for_sort(alice, alice))174        hosts.sort(cmp=scheduler_models.Host.cmp_for_sort)175        self.assertEqual(expected_order, [h.hostname for h in hosts])176        hosts.reverse()177        hosts.sort(cmp=scheduler_models.Host.cmp_for_sort)178        self.assertEqual(expected_order, [h.hostname for h in hosts])179class HostQueueEntryTest(BaseSchedulerModelsTest):180    def _create_hqe(self, dependency_labels=(), **create_job_kwargs):181        job = self._create_job(**create_job_kwargs)182        for label in dependency_labels:183            job.dependency_labels.add(label)184        hqes = list(scheduler_models.HostQueueEntry.fetch(where='job_id=%d' % job.id))185        self.assertEqual(1, len(hqes))186        return hqes[0]187    def _check_hqe_labels(self, hqe, expected_labels):...

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