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/*
* SonarQube :: Process
* Copyright (C) 2009-2016 SonarSource SA
* mailto:contact AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.process;
import java.io.File;
import org.apache.commons.io.FileUtils;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.failBecauseExceptionWasNotThrown;
import static org.junit.Assert.fail;
public class DefaultProcessCommandsTest {
@Rule
public TemporaryFolder temp = new TemporaryFolder();
@Test
public void fail_to_init_if_dir_does_not_exist() throws Exception {
File dir = temp.newFolder();
FileUtils.deleteQuietly(dir);
try {
new DefaultProcessCommands(dir, 1);
fail();
} catch (IllegalArgumentException e) {
assertThat(e).hasMessage("Not a valid directory: " + dir.getAbsolutePath());
}
}
@Test
public void child_process_update_the_mapped_memory() throws Exception {
File dir = temp.newFolder();
DefaultProcessCommands commands = new DefaultProcessCommands(dir, 1);
assertThat(commands.isReady()).isFalse();
assertThat(commands.mappedByteBuffer.get(commands.offset())).isEqualTo(DefaultProcessCommands.EMPTY);
assertThat(commands.mappedByteBuffer.getLong(2 + commands.offset())).isEqualTo(0L);
commands.setReady();
assertThat(commands.isReady()).isTrue();
assertThat(commands.mappedByteBuffer.get(commands.offset())).isEqualTo(DefaultProcessCommands.READY);
long currentTime = System.currentTimeMillis();
commands.ping();
assertThat(commands.mappedByteBuffer.getLong(2 + commands.offset())).isGreaterThanOrEqualTo(currentTime);
}
@Test
public void ask_for_stop() throws Exception {
File dir = temp.newFolder();
DefaultProcessCommands commands = new DefaultProcessCommands(dir, 1);
assertThat(commands.mappedByteBuffer.get(commands.offset() + 1)).isNotEqualTo(DefaultProcessCommands.STOP);
assertThat(commands.askedForStop()).isFalse();
commands.askForStop();
assertThat(commands.askedForStop()).isTrue();
assertThat(commands.mappedByteBuffer.get(commands.offset() + 1)).isEqualTo(DefaultProcessCommands.STOP);
}
@Test
public void test_max_processes() throws Exception {
File dir = temp.newFolder();
try {
new DefaultProcessCommands(dir, -2);
failBecauseExceptionWasNotThrown(AssertionError.class);
} catch (AssertionError e) {
assertThat(e).hasMessage("Incorrect process number");
}
try {
new DefaultProcessCommands(dir, ProcessCommands.MAX_PROCESSES + 1);
failBecauseExceptionWasNotThrown(AssertionError.class);
} catch (AssertionError e) {
assertThat(e).hasMessage("Incorrect process number");
}
}
}
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