/*
* Copyright (C) 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;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.concurrent.TimeUnit;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import com.zaxxer.hikari.mocks.StubConnection;
import com.zaxxer.hikari.pool.HikariPool;
import com.zaxxer.hikari.util.PoolUtilities;
/**
* @author Brett Wooldridge
*/
public class ShutdownTest
{
@Before
public void beforeTest()
{
StubConnection.count.set(0);
}
@After
public void afterTest()
{
StubConnection.slowCreate = false;
}
@Test
public void testShutdown1() throws SQLException
{
Assert.assertSame("StubConnection count not as expected", 0, StubConnection.count.get());
StubConnection.slowCreate = true;
HikariConfig config = new HikariConfig();
config.setMinimumIdle(0);
config.setMaximumPoolSize(10);
config.setInitializationFailFast(false);
config.setConnectionTestQuery("VALUES 1");
config.setDataSourceClassName("com.zaxxer.hikari.mocks.StubDataSource");
final HikariDataSource ds = new HikariDataSource(config);
HikariPool pool = TestElf.getPool(ds);
Thread[] threads = new Thread[10];
for (int i = 0; i < 10; i++) {
threads[i] = new Thread() {
public void run()
{
try {
if (ds.getConnection() != null) {
PoolUtilities.quietlySleep(TimeUnit.SECONDS.toMillis(1));
}
}
catch (SQLException e) {
}
}
};
threads[i].setDaemon(true);
threads[i].start();
}
PoolUtilities.quietlySleep(1200L);
Assert.assertTrue("Totals connection count not as expected, ", pool.getTotalConnections() > 0);
ds.close();
Assert.assertSame("Active connection count not as expected, ", 0, pool.getActiveConnections());
Assert.assertSame("Idle connection count not as expected, ", 0, pool.getIdleConnections());
Assert.assertSame("Total connection count not as expected", 0, pool.getTotalConnections());
}
@Test
public void testShutdown2() throws SQLException
{
Assert.assertSame("StubConnection count not as expected", 0, StubConnection.count.get());
StubConnection.slowCreate = true;
HikariConfig config = new HikariConfig();
config.setMinimumIdle(10);
config.setMaximumPoolSize(10);
config.setInitializationFailFast(false);
config.setConnectionTestQuery("VALUES 1");
config.setDataSourceClassName("com.zaxxer.hikari.mocks.StubDataSource");
HikariDataSource ds = new HikariDataSource(config);
HikariPool pool = TestElf.getPool(ds);
PoolUtilities.quietlySleep(1200L);
Assert.assertTrue("Totals connection count not as expected, ", pool.getTotalConnections() > 0);
ds.close();
Assert.assertSame("Active connection count not as expected, ", 0, pool.getActiveConnections());
Assert.assertSame("Idle connection count not as expected, ", 0, pool.getIdleConnections());
Assert.assertSame("Total connection count not as expected", 0, pool.getTotalConnections());
}
@Test
public void testShutdown3() throws SQLException
{
Assert.assertSame("StubConnection count not as expected", 0, StubConnection.count.get());
HikariConfig config = new HikariConfig();
config.setMinimumIdle(5);
config.setMaximumPoolSize(5);
config.setInitializationFailFast(true);
config.setConnectionTestQuery("VALUES 1");
config.setDataSourceClassName("com.zaxxer.hikari.mocks.StubDataSource");
HikariDataSource ds = new HikariDataSource(config);
HikariPool pool = TestElf.getPool(ds);
PoolUtilities.quietlySleep(500L);
Assert.assertTrue("Totals connection count not as expected, ", pool.getTotalConnections() == 5);
ds.close();
Assert.assertSame("Active connection count not as expected, ", 0, pool.getActiveConnections());
Assert.assertSame("Idle connection count not as expected, ", 0, pool.getIdleConnections());
Assert.assertSame("Total connection count not as expected", 0, pool.getTotalConnections());
}
@Test
public void testShutdown4() throws SQLException
{
StubConnection.slowCreate = true;
HikariConfig config = new HikariConfig();
config.setMinimumIdle(10);
config.setMaximumPoolSize(10);
config.setInitializationFailFast(false);
config.setConnectionTestQuery("VALUES 1");
config.setDataSourceClassName("com.zaxxer.hikari.mocks.StubDataSource");
HikariDataSource ds = new HikariDataSource(config);
PoolUtilities.quietlySleep(500L);
ds.close();
long start = System.currentTimeMillis();
while (PoolUtilities.elapsedTimeMs(start) < TimeUnit.SECONDS.toMillis(5) && threadCount() > 0) {
PoolUtilities.quietlySleep(250);
}
Assert.assertSame("Unreleased connections after shutdown", 0, TestElf.getPool(ds).getTotalConnections());
}
@Test
public void testShutdown5() throws SQLException
{
Assert.assertSame("StubConnection count not as expected", 0, StubConnection.count.get());
HikariConfig config = new HikariConfig();
config.setMinimumIdle(5);
config.setMaximumPoolSize(5);
config.setInitializationFailFast(true);
config.setConnectionTestQuery("VALUES 1");
config.setDataSourceClassName("com.zaxxer.hikari.mocks.StubDataSource");
HikariDataSource ds = new HikariDataSource(config);
HikariPool pool = TestElf.getPool(ds);
Connection[] connections = new Connection[5];
for (int i = 0; i < 5; i++) {
connections[i] = ds.getConnection();
}
Assert.assertTrue("Totals connection count not as expected, ", pool.getTotalConnections() == 5);
ds.close();
Assert.assertSame("Active connection count not as expected, ", 0, pool.getActiveConnections());
Assert.assertSame("Idle connection count not as expected, ", 0, pool.getIdleConnections());
Assert.assertSame("Total connection count not as expected", 0, pool.getTotalConnections());
}
@Test
public void testAfterShutdown() throws Exception
{
HikariConfig config = new HikariConfig();
config.setMinimumIdle(0);
config.setMaximumPoolSize(5);
config.setInitializationFailFast(true);
config.setConnectionTestQuery("VALUES 1");
config.setDataSourceClassName("com.zaxxer.hikari.mocks.StubDataSource");
HikariDataSource ds = new HikariDataSource(config);
ds.close();
try
{
ds.getConnection();
}
catch (SQLException e) {
Assert.assertTrue(e.getMessage().contains("Pool has been shutdown"));
}
try
{
ds.getConnection("foo", "bar");
}
catch (SQLException e) {
Assert.assertTrue(e.getMessage().contains("Pool has been shutdown"));
}
finally {
ds.shutdown();
}
}
private int threadCount()
{
Thread[] threads = new Thread[Thread.activeCount() * 2];
Thread.enumerate(threads);
int count = 0;
for (Thread thread : threads) {
count += (thread != null && thread.getName().startsWith("Hikari")) ? 1 : 0;
}
return count;
}
}