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/*
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.drools.stats;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import org.onap.policy.drools.metrics.Metric;
public class PolicyStatsTest {
@Test
public void testStat() {
Metric trans1 = createTrans();
trans1.setSuccess(true);
PolicyStats stats = new PolicyStats();
stats.stat(trans1);
assertEquals(1, stats.getPolicyExecutedCount());
assertEquals(trans1.getStartTime().toEpochMilli(), stats.getLastStart());
assertEquals((double) trans1.getElapsedTime(), stats.getAverageExecutionTime(), 0.0d);
assertEquals(trans1.getEndTime().toEpochMilli(), stats.getLastExecutionTime());
assertEquals(0, stats.getPolicyExecutedFailCount());
assertEquals(1, stats.getPolicyExecutedSuccessCount());
assertThat(stats.getBirthTime()).isGreaterThanOrEqualTo(trans1.getStartTime().toEpochMilli());
Metric trans2 = createTrans();
trans2.setSuccess(false);
trans2.setEndTime(trans2.getStartTime().plusMillis(5));
trans2.setElapsedTime(null);
stats.stat(trans2);
assertEquals(2, stats.getPolicyExecutedCount());
assertEquals(trans2.getStartTime().toEpochMilli(), stats.getLastStart());
assertEquals((5 + 1) / 2d, stats.getAverageExecutionTime(), 0.0d);
assertEquals(trans2.getEndTime().toEpochMilli(), stats.getLastExecutionTime());
assertEquals(1, stats.getPolicyExecutedFailCount());
assertEquals(1, stats.getPolicyExecutedSuccessCount());
assertThat(stats.getBirthTime()).isLessThanOrEqualTo(trans2.getStartTime().toEpochMilli());
Metric trans3 = createTrans();
trans3.setSuccess(false);
trans3.setEndTime(trans3.getStartTime().plusMillis(9));
trans3.setElapsedTime(null);
stats.stat(trans3);
assertEquals(3, stats.getPolicyExecutedCount());
assertEquals(trans3.getStartTime().toEpochMilli(), stats.getLastStart());
assertEquals((5 + 1 + 9) / 3d, stats.getAverageExecutionTime(), 0.0d);
assertEquals(trans3.getEndTime().toEpochMilli(), stats.getLastExecutionTime());
assertEquals(2, stats.getPolicyExecutedFailCount());
assertEquals(1, stats.getPolicyExecutedSuccessCount());
assertThat(stats.getBirthTime()).isLessThanOrEqualTo(trans2.getStartTime().toEpochMilli());
}
private Metric createTrans() {
Metric trans = new Metric();
trans.setStartTime(null);
trans.setEndTime(trans.getStartTime().plusMillis(1));
trans.setElapsedTime(null);
assertEquals(1L, trans.getElapsedTime().longValue());
return trans;
}
}
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