/**
* 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.metrics2.impl;
import org.junit.Test;
import static org.junit.Assert.*;
import org.apache.commons.configuration.SubsetConfiguration;
import static org.apache.hadoop.metrics2.filter.TestPatternFilter.*;
import static org.apache.hadoop.metrics2.lib.Interns.*;
public class TestMetricsCollectorImpl {
@Test public void recordBuilderShouldNoOpIfFiltered() {
SubsetConfiguration fc = new ConfigBuilder()
.add("p.exclude", "foo").subset("p");
MetricsCollectorImpl mb = new MetricsCollectorImpl();
mb.setRecordFilter(newGlobFilter(fc));
MetricsRecordBuilderImpl rb = mb.addRecord("foo");
rb.tag(info("foo", ""), "value").addGauge(info("g0", ""), 1);
assertEquals("no tags", 0, rb.tags().size());
assertEquals("no metrics", 0, rb.metrics().size());
assertNull("null record", rb.getRecord());
assertEquals("no records", 0, mb.getRecords().size());
}
@Test public void testPerMetricFiltering() {
SubsetConfiguration fc = new ConfigBuilder()
.add("p.exclude", "foo").subset("p");
MetricsCollectorImpl mb = new MetricsCollectorImpl();
mb.setMetricFilter(newGlobFilter(fc));
MetricsRecordBuilderImpl rb = mb.addRecord("foo");
rb.tag(info("foo", ""), "").addCounter(info("c0", ""), 0)
.addGauge(info("foo", ""), 1);
assertEquals("1 tag", 1, rb.tags().size());
assertEquals("1 metric", 1, rb.metrics().size());
assertEquals("expect foo tag", "foo", rb.tags().get(0).name());
assertEquals("expect c0", "c0", rb.metrics().get(0).name());
}
}