/** * 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. */ package org.apache.hadoop.yarn.server.applicationhistoryservice.metrics.timeline; import org.apache.hadoop.yarn.server.applicationhistoryservice.metrics.timeline.aggregators.Function; import org.junit.Ignore; import org.junit.Test; import static org.apache.hadoop.yarn.server.applicationhistoryservice.metrics.timeline.aggregators.Function.fromMetricName; import static org.apache.hadoop.yarn.server.applicationhistoryservice.metrics.timeline.aggregators.Function.ReadFunction.AVG; import static org.apache.hadoop.yarn.server.applicationhistoryservice.metrics.timeline.aggregators.Function.PostProcessingFunction.RATE; import static org.apache.hadoop.yarn.server.applicationhistoryservice.metrics.timeline.aggregators.Function.PostProcessingFunction.DIFF; import static org.assertj.core.api.Assertions.assertThat; public class FunctionTest { @Test public void testCreation() throws Exception { Function f = fromMetricName("Metric._avg"); assertThat(f).isEqualTo(new Function(AVG, null)); f = fromMetricName("Metric._rate._avg"); assertThat(f).isEqualTo(new Function(AVG, RATE)); f = fromMetricName("bytes_in"); assertThat(f).isEqualTo(Function.DEFAULT_VALUE_FUNCTION); // Rate support without aggregates f = fromMetricName("Metric._rate"); assertThat(f).isEqualTo(new Function(null, RATE)); // Diff support f = fromMetricName("Metric._diff._avg"); assertThat(f).isEqualTo(new Function(AVG, DIFF)); // Diff support without aggregates f = fromMetricName("Metric._diff"); assertThat(f).isEqualTo(new Function(null, DIFF)); } @Ignore // If unknown function: behavior is best effort query without function @Test(expected = Function.FunctionFormatException.class) public void testNotAFunction() throws Exception { fromMetricName("bytes._not._afunction"); } }