/*
* Copyright 2012-2017 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.repository;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.junit.Test;
import org.springframework.boot.actuate.metrics.Metric;
import org.springframework.boot.actuate.metrics.writer.Delta;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Tests for {@link InMemoryMultiMetricRepository}.
*
* @author Dave Syer
*/
public class InMemoryMultiMetricRepositoryTests {
private final InMemoryMultiMetricRepository repository = new InMemoryMultiMetricRepository();
@Test
public void registeredPrefixCounted() {
this.repository.increment("foo", new Delta<Number>("bar", 1));
this.repository.increment("foo", new Delta<Number>("bar", 1));
this.repository.increment("foo", new Delta<Number>("spam", 1));
Set<String> names = new HashSet<>();
for (Metric<?> metric : this.repository.findAll("foo")) {
names.add(metric.getName());
}
assertThat(names).hasSize(2);
assertThat(names.contains("foo.bar")).isTrue();
}
@Test
public void prefixWithWildcard() {
this.repository.increment("foo", new Delta<Number>("bar", 1));
Set<String> names = new HashSet<>();
for (Metric<?> metric : this.repository.findAll("foo.*")) {
names.add(metric.getName());
}
assertThat(names).hasSize(1);
assertThat(names.contains("foo.bar")).isTrue();
}
@Test
public void prefixWithPeriod() {
this.repository.increment("foo", new Delta<Number>("bar", 1));
Set<String> names = new HashSet<>();
for (Metric<?> metric : this.repository.findAll("foo.")) {
names.add(metric.getName());
}
assertThat(names).hasSize(1);
assertThat(names.contains("foo.bar")).isTrue();
}
@Test
public void onlyRegisteredPrefixCounted() {
this.repository.increment("foo", new Delta<Number>("bar", 1));
this.repository.increment("foobar", new Delta<Number>("spam", 1));
Set<String> names = new HashSet<>();
for (Metric<?> metric : this.repository.findAll("foo")) {
names.add(metric.getName());
}
assertThat(names).hasSize(1);
assertThat(names.contains("foo.bar")).isTrue();
}
@Test
public void incrementGroup() {
this.repository.increment("foo", new Delta<Number>("foo.bar", 1));
this.repository.increment("foo", new Delta<Number>("foo.bar", 2));
this.repository.increment("foo", new Delta<Number>("foo.spam", 1));
Map<String, Metric<?>> metrics = new HashMap<>();
for (Metric<?> metric : this.repository.findAll("foo")) {
metrics.put(metric.getName(), metric);
}
assertThat(metrics).hasSize(2);
assertThat(metrics).containsKeys("foo.bar", "foo.spam");
assertThat(metrics.get("foo.bar").getValue()).isEqualTo(3L);
}
}