/*
* Copyright 2013-2015 the original author or authors.
*
* 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.
*/
package org.springframework.cloud.netflix.metrics.servo;
import org.junit.Test;
import com.netflix.servo.annotations.DataSourceType;
import com.netflix.servo.monitor.AbstractMonitor;
import com.netflix.servo.monitor.MonitorConfig;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
/**
* @author Spencer Gibb
*/
public class HierarchicalServoMetricNamingTests {
private HierarchicalServoMetricNaming naming = new HierarchicalServoMetricNaming();
@Test
public void vanillaServoMetricWorks() {
MonitorConfig config = MonitorConfig.builder("testMetric").build();
String name = naming.asHierarchicalName(new FixedValueMonitor<>(config, 0));
assertThat(name, is(equalTo("servo.testmetric")));
}
@Test
public void nameWithPeriodWorks() {
MonitorConfig config = MonitorConfig.builder("test.Metric").build();
String name = naming.asHierarchicalName(new FixedValueMonitor<>(config, 0));
assertThat(name, is(equalTo("servo.test.metric")));
}
@Test
public void typeTagWorks() {
MonitorConfig config = MonitorConfig.builder("testMetric")
.withTag(DataSourceType.KEY, DataSourceType.COUNTER.getValue()).build();
String name = naming.asHierarchicalName(new FixedValueMonitor<>(config, 0));
assertThat(name, is(equalTo("counter.servo.testmetric")));
}
@Test
public void instanceTagWorks() {
MonitorConfig config = MonitorConfig.builder("testMetric")
.withTag("instance", "instance0").build();
String name = naming.asHierarchicalName(new FixedValueMonitor<>(config, 0));
assertThat(name, is(equalTo("servo.instance0.testmetric")));
}
@Test
public void statisticTagWorks() {
MonitorConfig config = MonitorConfig.builder("testMetric")
.withTag("statistic", "min").build();
String name = naming.asHierarchicalName(new FixedValueMonitor<>(config, 0));
assertThat(name, is(equalTo("servo.testmetric.min")));
}
@Test
public void allTagsWork() {
MonitorConfig config = MonitorConfig.builder("testMetric")
.withTag(DataSourceType.KEY, DataSourceType.COUNTER.getValue())
.withTag("instance", "instance0").withTag("statistic", "min").build();
String name = naming.asHierarchicalName(new FixedValueMonitor<>(config, 0));
assertThat(name, is(equalTo("counter.servo.instance0.testmetric.min")));
}
private class FixedValueMonitor<T> extends AbstractMonitor<T> {
T value;
protected FixedValueMonitor(MonitorConfig config, T value) {
super(config);
this.value = value;
}
@Override
public T getValue(int pollerIndex) {
return value;
}
}
}