| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| # |
| # Verification of impalad metrics after a test run. |
| |
| from tests.common.impala_test_suite import ImpalaTestSuite |
| from tests.common.impala_cluster import ImpalaCluster |
| from tests.verifiers.metric_verifier import MetricVerifier |
| |
| class TestValidateMetrics(ImpalaTestSuite): |
| """Verify metric values from the debug webpage. |
| |
| This test suite must be run after all the tests have been run, and no |
| in-flight queries remain. |
| TODO: Add a test for local assignments. |
| """ |
| |
| @classmethod |
| def setup_class(cls): |
| super(TestValidateMetrics, cls).setup_class() |
| # Close clients to make sure no sessions are held open by this test. |
| cls.close_impala_clients() |
| |
| def test_metrics_are_zero(self): |
| """Test that all the metric in METRIC_LIST are 0""" |
| verifier = MetricVerifier(self.impalad_test_service) |
| verifier.verify_metrics_are_zero() |
| |
| def test_num_unused_buffers(self): |
| """Test that all buffers are unused""" |
| verifier = MetricVerifier(self.impalad_test_service) |
| verifier.verify_num_unused_buffers() |
| |
| def test_backends_are_idle(self): |
| """Test that the backends state is in a valid state when quiesced - i.e. |
| no queries are running and the admission control state reflects that no |
| resources are used.""" |
| for impalad in ImpalaCluster.get_e2e_test_cluster().impalads: |
| verifier = MetricVerifier(impalad.service) |
| verifier.wait_for_backend_admission_control_state() |