/*******************************************************************************
* Copyright (c) 2015 Ericsson
*
* All rights reserved. This program and the accompanying materials are
* made available under the terms of the Eclipse Public License v1.0 which
* accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package org.eclipse.tracecompass.tmf.ui.swtbot.tests.viewers.events;
import static org.junit.Assert.assertNotNull;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import org.apache.log4j.Logger;
import org.apache.log4j.varia.NullAppender;
import org.eclipse.swtbot.eclipse.finder.SWTWorkbenchBot;
import org.eclipse.swtbot.eclipse.finder.widgets.SWTBotEditor;
import org.eclipse.swtbot.swt.finder.junit.SWTBotJunit4ClassRunner;
import org.eclipse.swtbot.swt.finder.keyboard.Keystrokes;
import org.eclipse.swtbot.swt.finder.utils.SWTBotPreferences;
import org.eclipse.swtbot.swt.finder.waits.DefaultCondition;
import org.eclipse.swtbot.swt.finder.widgets.SWTBotTreeItem;
import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager;
import org.eclipse.tracecompass.tmf.ui.swtbot.tests.shared.ConditionHelpers;
import org.eclipse.tracecompass.tmf.ui.swtbot.tests.shared.SWTBotUtils;
import org.eclipse.tracecompass.tmf.ui.tests.shared.WaitUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* Test refreshing a text trace after new content was added.
*/
@RunWith(SWTBotJunit4ClassRunner.class)
public class TestRefreshTextTrace {
private static final String PROJECT_NAME = "Test";
private static final String TRACE_TYPE_SYSLOG = "org.eclipse.linuxtools.tmf.tests.stubs.trace.text.testsyslog";
private static final String TIMESTAMP_FORMAT = "MMM dd HH:mm:ss";
private static final long INITIAL_NB_EVENTS = 100;
private static final int NEW_EVENTS_PER_REFRESH = 40000;
private static final int NB_REFRESH = 3;
private static final long SECOND_TO_MILLISECOND = 1000;
private static final long MICROSECOND_TO_NANOSECOND = 1000000;
private static final int INDEXING_TIMEOUT = 300000;
private static final Calendar CURRENT = Calendar.getInstance();
private static final String TRACE_LOCATION = TmfTraceManager.getTemporaryDirPath() + File.separator + "test.txt";
private static SWTWorkbenchBot fBot;
private long fNbWrittenEvents = 0;
/** Test Class setup */
@BeforeClass
public static void init() {
SWTBotPreferences.KEYBOARD_LAYOUT = "EN_US";
SWTBotUtils.initialize();
SWTBotPreferences.TIMEOUT = 20000; /* 20 second timeout */
Logger.getRootLogger().addAppender(new NullAppender());
fBot = new SWTWorkbenchBot();
SWTBotUtils.closeView("welcome", fBot);
SWTBotUtils.switchToTracingPerspective();
/* finish waiting for eclipse to load */
WaitUtils.waitForJobs();
}
/**
* Test setup
*
* @throws Exception on error
*/
@Before
public void before() throws Exception {
SWTBotUtils.createProject(PROJECT_NAME);
SWTBotUtils.openTrace(PROJECT_NAME, createTrace(INITIAL_NB_EVENTS), getTraceType());
WaitUtils.waitForJobs();
}
/**
* Test tear down
*/
@After
public void after() {
SWTBotUtils.deleteProject(PROJECT_NAME, fBot);
}
/**
* Test refreshing a trace after new content was added.
*
* @throws IOException
* on error
*/
@Test
public void testRefresh() throws IOException {
ITmfTrace activeTrace = TmfTraceManager.getInstance().getActiveTrace();
assertNotNull(activeTrace);
fBot.waitUntil(new NumberOfEventsCondition(activeTrace, INITIAL_NB_EVENTS));
for (int i = 0; i < NB_REFRESH; i++) {
appendToTrace(NEW_EVENTS_PER_REFRESH);
// Refresh
SWTBotTreeItem tracesFolder = SWTBotUtils.selectTracesFolder(fBot, PROJECT_NAME);
SWTBotTreeItem traceItem = SWTBotUtils.getTraceProjectItem(fBot, tracesFolder, activeTrace.getName());
traceItem.contextMenu("Refresh").click();
// Make sure the refresh is completed
fBot.waitUntil(new NumberOfEventsCondition(activeTrace, getNbWrittenEvents()), INDEXING_TIMEOUT);
}
// Make sure the end of the table matches what we expect
goToTableEnd();
fBot.waitUntil(ConditionHelpers.selectionInEventsTable(fBot, getExpectedEndTimeStamp()));
}
private static class NumberOfEventsCondition extends DefaultCondition {
private ITmfTrace fTrace;
private long fNbEvents;
private NumberOfEventsCondition(ITmfTrace trace, long nbEvents) {
fTrace = trace;
fNbEvents = nbEvents;
}
@Override
public boolean test() throws Exception {
return fTrace.getNbEvents() == fNbEvents;
}
@Override
public String getFailureMessage() {
return fTrace.getName() + " did not contain the expected number of " + fNbEvents + " events. Current: " + fTrace.getNbEvents();
}
}
/**
* Create a trace with a number of events.
*
* @param nbEvents
* the number of events to generate
* @return the path to the created trace
* @throws Exception
* on error
*/
protected String createTrace(long nbEvents) throws Exception {
writeToTrace(nbEvents, false);
return TRACE_LOCATION;
}
/**
* Append a number of events to the trace.
*
* @param nbEvents
* the number of events to append
* @throws IOException
* on error
*/
protected void appendToTrace(long nbEvents) throws IOException {
writeToTrace(nbEvents, true);
}
private void writeToTrace(long nbEvents, boolean append) throws IOException {
final File file = new File(TRACE_LOCATION);
try (FileWriter writer = new FileWriter(file, append)) {
for (int i = 0; i < nbEvents; ++i) {
writeEvent(writer);
}
}
}
private void writeEvent(FileWriter fw) throws IOException {
SimpleDateFormat f = new SimpleDateFormat(TIMESTAMP_FORMAT);
String timeStampStr = f.format(new Date(fNbWrittenEvents * SECOND_TO_MILLISECOND));
fw.write(timeStampStr + " HostF LoggerF: SourceFileF:9 Message F\n");
fNbWrittenEvents++;
}
/**
* Get the trace type for the test.
*
* @return the trace type
*/
protected String getTraceType() {
return TRACE_TYPE_SYSLOG;
}
/**
* Get the expected time in nanosecs at the end of the trace, after
* refreshing.
*
* @return the expected time in nanosecs at the end of the trace
*/
protected long getExpectedEndTimeStamp() {
Date date = new Date((fNbWrittenEvents - 1) * SECOND_TO_MILLISECOND);
// Syslog fills in the year when parsing so we have to do it for the
// expected time stamp as well
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(date);
calendar.set(Calendar.YEAR, CURRENT.get(Calendar.YEAR));
if (calendar.after(CURRENT)) {
calendar.set(Calendar.YEAR, CURRENT.get(Calendar.YEAR) - 1);
}
return calendar.getTimeInMillis() * MICROSECOND_TO_NANOSECOND;
}
private static void goToTableEnd() {
SWTBotEditor eventsEditor = SWTBotUtils.activeEventsEditor(fBot);
eventsEditor.setFocus();
eventsEditor.bot().table().pressShortcut(Keystrokes.END);
}
/**
* Get the number of events written so far.
*
* @return the number of events written so far
*/
protected long getNbWrittenEvents() {
return fNbWrittenEvents;
}
}