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/*
* Copyright (C) 2013, 2014 Brett Wooldridge
*
* 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 com.zaxxer.hikari.metrics.prometheus;
import static com.zaxxer.hikari.pool.TestElf.newHikariConfig;
import static com.zaxxer.hikari.util.UtilityElf.quietlySleep;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import java.sql.Connection;
import org.junit.Test;
import com.zaxxer.hikari.HikariConfig;
import com.zaxxer.hikari.HikariDataSource;
import com.zaxxer.hikari.mocks.StubConnection;
import io.prometheus.client.CollectorRegistry;
public class HikariCPCollectorTest {
@Test
public void noConnection() throws Exception {
HikariConfig config = newHikariConfig();
config.setMinimumIdle(0);
config.setMetricsTrackerFactory(new PrometheusMetricsTrackerFactory());
config.setDataSourceClassName("com.zaxxer.hikari.mocks.StubDataSource");
StubConnection.slowCreate = true;
try (HikariDataSource ds = new HikariDataSource(config)) {
assertThat(getValue("hikaricp_active_connections", "noConnection"), is(0.0));
assertThat(getValue("hikaricp_idle_connections", "noConnection"), is(0.0));
assertThat(getValue("hikaricp_pending_threads", "noConnection"), is(0.0));
assertThat(getValue("hikaricp_connections", "noConnection"), is(0.0));
}
finally {
StubConnection.slowCreate = false;
}
}
@Test
public void noConnectionWithoutPoolName() throws Exception {
HikariConfig config = new HikariConfig();
config.setMinimumIdle(0);
config.setMetricsTrackerFactory(new PrometheusMetricsTrackerFactory());
config.setDataSourceClassName("com.zaxxer.hikari.mocks.StubDataSource");
StubConnection.slowCreate = true;
try (HikariDataSource ds = new HikariDataSource(config)) {
String poolName = ds.getHikariConfigMXBean().getPoolName();
assertThat(getValue("hikaricp_active_connections", poolName), is(0.0));
assertThat(getValue("hikaricp_idle_connections", poolName), is(0.0));
assertThat(getValue("hikaricp_pending_threads", poolName), is(0.0));
assertThat(getValue("hikaricp_connections", poolName), is(0.0));
}
finally {
StubConnection.slowCreate = false;
}
}
@Test
public void connection1() throws Exception {
HikariConfig config = newHikariConfig();
config.setMetricsTrackerFactory(new PrometheusMetricsTrackerFactory());
config.setDataSourceClassName("com.zaxxer.hikari.mocks.StubDataSource");
config.setMaximumPoolSize(1);
StubConnection.slowCreate = true;
try (HikariDataSource ds = new HikariDataSource(config);
Connection connection1 = ds.getConnection()) {
quietlySleep(1000);
assertThat(getValue("hikaricp_active_connections", "connection1"), is(1.0));
assertThat(getValue("hikaricp_idle_connections", "connection1"), is(0.0));
assertThat(getValue("hikaricp_pending_threads", "connection1"), is(0.0));
assertThat(getValue("hikaricp_connections", "connection1"), is(1.0));
}
finally {
StubConnection.slowCreate = false;
}
}
@Test
public void connectionClosed() throws Exception {
HikariConfig config = newHikariConfig();
config.setMetricsTrackerFactory(new PrometheusMetricsTrackerFactory());
config.setDataSourceClassName("com.zaxxer.hikari.mocks.StubDataSource");
config.setMaximumPoolSize(1);
StubConnection.slowCreate = true;
try (HikariDataSource ds = new HikariDataSource(config)) {
try (Connection connection1 = ds.getConnection()) {
// close immediately
}
assertThat(getValue("hikaricp_active_connections", "connectionClosed"), is(0.0));
assertThat(getValue("hikaricp_idle_connections", "connectionClosed"), is(1.0));
assertThat(getValue("hikaricp_pending_threads", "connectionClosed"), is(0.0));
assertThat(getValue("hikaricp_connections", "connectionClosed"), is(1.0));
}
finally {
StubConnection.slowCreate = false;
}
}
private double getValue(String name, String poolName) {
String[] labelNames = {"pool"};
String[] labelValues = {poolName};
return CollectorRegistry.defaultRegistry.getSampleValue(name, labelNames, labelValues);
}
}
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