/*
* Copyright 2012-2016 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.boot.actuate.metrics.export;
import java.util.Date;
import org.junit.Test;
import org.springframework.boot.actuate.metrics.Metric;
import org.springframework.boot.actuate.metrics.repository.InMemoryMetricRepository;
import org.springframework.boot.actuate.metrics.writer.Delta;
import org.springframework.boot.actuate.metrics.writer.GaugeWriter;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Tests for {@link MetricCopyExporter}.
*
* @author Dave Syer
*/
public class MetricCopyExporterTests {
private final InMemoryMetricRepository writer = new InMemoryMetricRepository();
private final InMemoryMetricRepository reader = new InMemoryMetricRepository();
private final MetricCopyExporter exporter = new MetricCopyExporter(this.reader,
this.writer);
@Test
public void export() {
this.reader.set(new Metric<Number>("foo", 2.3));
this.exporter.export();
assertThat(this.writer.count()).isEqualTo(1);
}
@Test
public void counter() {
this.reader.increment(new Delta<Number>("counter.foo", 2));
this.exporter.export();
assertThat(this.writer.count()).isEqualTo(1);
this.reader.increment(new Delta<Number>("counter.foo", 3));
this.exporter.export();
this.exporter.flush();
assertThat(this.writer.findOne("counter.foo").getValue()).isEqualTo(5L);
}
@Test
public void counterWithGaugeWriter() throws Exception {
SimpleGaugeWriter writer = new SimpleGaugeWriter();
MetricCopyExporter exporter = new MetricCopyExporter(this.reader, writer);
try {
this.reader.increment(new Delta<Number>("counter.foo", 2));
exporter.export();
this.reader.increment(new Delta<Number>("counter.foo", 3));
exporter.export();
exporter.flush();
assertThat(writer.getValue().getValue()).isEqualTo(5L);
}
finally {
exporter.close();
}
}
@Test
public void exportIncludes() {
this.exporter.setIncludes("*");
this.reader.set(new Metric<Number>("foo", 2.3));
this.exporter.export();
assertThat(this.writer.count()).isEqualTo(1);
}
@Test
public void exportExcludesWithIncludes() {
this.exporter.setIncludes("*");
this.exporter.setExcludes("foo");
this.reader.set(new Metric<Number>("foo", 2.3));
this.reader.set(new Metric<Number>("bar", 2.4));
this.exporter.export();
assertThat(this.writer.count()).isEqualTo(1);
}
@Test
public void exportExcludesDefaultIncludes() {
this.exporter.setExcludes("foo");
this.reader.set(new Metric<Number>("foo", 2.3));
this.reader.set(new Metric<Number>("bar", 2.4));
this.exporter.export();
assertThat(this.writer.count()).isEqualTo(1);
}
@Test
public void timestamp() {
this.reader.set(new Metric<Number>("foo", 2.3));
this.exporter.setEarliestTimestamp(new Date(System.currentTimeMillis() + 10000));
this.exporter.export();
assertThat(this.writer.count()).isEqualTo(0);
}
@Test
public void ignoreTimestamp() {
this.reader.set(new Metric<Number>("foo", 2.3));
this.exporter.setIgnoreTimestamps(true);
this.exporter.setEarliestTimestamp(new Date(System.currentTimeMillis() + 10000));
this.exporter.export();
assertThat(this.writer.count()).isEqualTo(1);
}
private static class SimpleGaugeWriter implements GaugeWriter {
private Metric<?> value;
@Override
public void set(Metric<?> value) {
this.value = value;
}
public Metric<?> getValue() {
return this.value;
}
}
}