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/*******************************************************************************
* Copyright (c) 2019 Paul Pazderski and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Paul Pazderski - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.tests.console;
import java.nio.charset.StandardCharsets;
import java.util.Collections;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import org.eclipse.core.runtime.ILogListener;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunchManager;
import org.eclipse.debug.core.Launch;
import org.eclipse.debug.core.model.IProcess;
import org.eclipse.debug.tests.AbstractDebugTest;
import org.eclipse.debug.tests.TestUtil;
import org.eclipse.debug.ui.console.ConsoleColorProvider;
import org.eclipse.ui.console.ConsolePlugin;
/**
* Tests the ProcessConsole.
*/
public class ProcessConsoleTests extends AbstractDebugTest {
/**
* Number of received log messages with severity error while running a
* single test method.
*/
private final AtomicInteger loggedErrors = new AtomicInteger(0);
/** Listener to count error messages in {@link ConsolePlugin} log. */
private final ILogListener errorLogListener = new ILogListener() {
@Override
public void logging(IStatus status, String plugin) {
if (status.matches(IStatus.ERROR)) {
loggedErrors.incrementAndGet();
}
}
};
public ProcessConsoleTests() {
super(ProcessConsoleTests.class.getSimpleName());
}
public ProcessConsoleTests(String name) {
super(name);
}
@Override
protected void setUp() throws Exception {
super.setUp();
loggedErrors.set(0);
Platform.addLogListener(errorLogListener);
}
@Override
protected void tearDown() throws Exception {
assertEquals("Test triggered errors.", 0, loggedErrors.get());
Platform.removeLogListener(errorLogListener);
super.tearDown();
}
/**
* Test if two byte UTF-8 characters get disrupted on there way from process
* console to the runtime process.
* <p>
* This test starts every two byte character on an even byte offset.
* </p>
*/
public void testUTF8InputEven() throws Exception {
// 5000 characters result in 10000 bytes which should be more than most
// common buffer sizes.
processConsoleUTF8Input("", 5000);
}
/**
* Test if two byte UTF-8 characters get disrupted on there way from process
* console to the runtime process.
* <p>
* This test starts every two byte character on an odd byte offset.
* </p>
*/
public void testUTF8InputOdd() throws Exception {
// 5000 characters result in 10000 bytes which should be more than most
// common buffer sizes.
processConsoleUTF8Input("+", 5000);
}
/**
* Shared code for the UTF-8 input tests.
* <p>
* Send some two byte UTF-8 characters through process console user input
* stream to mockup process and check if the input got corrupted on its way.
* </p>
*
* @param prefix an arbitrary prefix inserted before the two byte UTF-8
* characters. Used to move the other characters to specific
* offsets e.g. a prefix of one byte will produce an input string
* where every two byte character starts at an odd offset.
* @param numTwoByteCharacters number of two byte UTF-8 characters to send
* to process
*/
public void processConsoleUTF8Input(String prefix, int numTwoByteCharacters) throws Exception {
final String input = prefix + String.join("", Collections.nCopies(numTwoByteCharacters, "\u00F8"));
final MockProcess mockProcess = new MockProcess(input.getBytes(StandardCharsets.UTF_8).length, testTimeout);
try {
final IProcess process = DebugPlugin.newProcess(new Launch(null, ILaunchManager.RUN_MODE, null), mockProcess, "testUtf8Input");
@SuppressWarnings("restriction")
final org.eclipse.debug.internal.ui.views.console.ProcessConsole console = new org.eclipse.debug.internal.ui.views.console.ProcessConsole(process, new ConsoleColorProvider());
try {
console.initialize();
console.getInputStream().appendData(input);
mockProcess.waitFor(testTimeout, TimeUnit.MILLISECONDS);
} finally {
console.destroy();
}
} finally {
mockProcess.destroy();
}
final String receivedInput = new String(mockProcess.getReceivedInput(), StandardCharsets.UTF_8);
assertEquals(input, receivedInput);
}
/**
* Test if InputReadJob can be canceled.
* <p>
* Actually tests cancellation for all jobs of
* <code>ProcessConsole.class</code> family.
* </p>
*/
public void testInputReadJobCancel() throws Exception {
final MockProcess mockProcess = new MockProcess(MockProcess.RUN_FOREVER);
try {
final IProcess process = mockProcess.toRuntimeProcess("testInputReadJobCancel");
@SuppressWarnings("restriction")
final org.eclipse.debug.internal.ui.views.console.ProcessConsole console = new org.eclipse.debug.internal.ui.views.console.ProcessConsole(process, new ConsoleColorProvider());
try {
console.initialize();
@SuppressWarnings("restriction")
final Class<?> jobFamily = org.eclipse.debug.internal.ui.views.console.ProcessConsole.class;
assertTrue("Input read job not started.", Job.getJobManager().find(jobFamily).length > 0);
Job.getJobManager().cancel(jobFamily);
TestUtil.waitForJobs(getName(), 0, 1000);
assertEquals("Input read job not canceled.", 0, Job.getJobManager().find(jobFamily).length);
} finally {
console.destroy();
}
} finally {
mockProcess.destroy();
}
}
}
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