/*
* 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.facebook.presto.atop;
import com.facebook.presto.spi.PrestoException;
import com.facebook.presto.testing.QueryRunner;
import com.google.common.collect.ImmutableMap;
import com.google.common.io.Resources;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import static com.facebook.presto.atop.AtopErrorCode.ATOP_READ_TIMEOUT;
import static com.facebook.presto.atop.LocalAtopQueryRunner.createQueryRunner;
import static com.google.common.io.Files.createTempDir;
import static com.google.common.io.Resources.toByteArray;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.fail;
public class TestAtopHang
{
private QueryRunner queryRunner;
@BeforeClass
public void setUp()
throws Exception
{
File tempPath = createTempDir();
copyExecutable("hanging_atop.sh", tempPath);
queryRunner = createQueryRunner(ImmutableMap.of("atop.executable-path", tempPath + "/hanging_atop.sh", "atop.executable-read-timeout", "1s"), AtopProcessFactory.class);
}
@AfterClass
public void tearDown()
{
queryRunner.close();
}
@Test(timeOut = 60_000)
public void testTimeout()
{
try {
queryRunner.execute("SELECT * FROM disks");
fail();
}
catch (PrestoException e) {
assertEquals(e.getErrorCode(), ATOP_READ_TIMEOUT.toErrorCode(), e.getMessage());
}
}
private void copyExecutable(String name, File target)
throws IOException
{
byte[] bytes = toByteArray(Resources.getResource(getClass(), name));
Path path = target.toPath().resolve(new File(name).getName());
Files.write(path, bytes);
if (!path.toFile().setExecutable(true)) {
throw new IOException("failed to make executable: " + path);
}
}
}