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/*******************************************************************************
* Copyright (c) 2018 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.incubator.opentracing.core.tests;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.tracecompass.incubator.internal.opentracing.core.trace.OpenTracingTrace;
import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
import org.eclipse.tracecompass.tmf.core.event.aspect.ITmfEventAspect;
import org.eclipse.tracecompass.tmf.core.exceptions.TmfTraceException;
import org.eclipse.tracecompass.tmf.core.project.model.ITmfPropertiesProvider;
import org.eclipse.tracecompass.tmf.core.timestamp.ITmfTimestamp;
import org.eclipse.tracecompass.tmf.core.timestamp.TmfTimestamp;
import org.eclipse.tracecompass.tmf.core.trace.ITmfContext;
import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
import org.junit.Test;
import com.google.common.collect.ImmutableSet;
/**
* Test reading real traces
*
* @author Katherine Nadeau
*
*/
public class OpenTracingTraceTest {
/**
* Test reading an event and get the aspects
*
* @throws TmfTraceException
* file error
*/
@Test
public void testEvent() throws TmfTraceException {
String path = "traces/simple.json";
Map<String, ITmfEventAspect<?>> eventAspects = getEventAspects(path);
ITmfEvent event = getFirstEvent(path);
assertNotNull(event);
ImmutableSet<String> aspectNames = ImmutableSet.of("Name", "Timestamp", "Duration", "ID", "PID", "Tags");
assertEquals(aspectNames, eventAspects.keySet());
testAspect(eventAspects.get("Name"), event, "say-hello");
Double ts = 1526674498419000.0;
testAspect(eventAspects.get("Timestamp"), event, TmfTimestamp.fromMicros(ts.longValue()));
testAspect(eventAspects.get("Duration"), event, (long) 16961000);
testAspect(eventAspects.get("ID"), event, "cf46871fbf4f262b");
testAspect(eventAspects.get("PID"), event, "p1");
Map<@NonNull String, @NonNull Object> tagsMap = new HashMap<>();
tagsMap.put("sampler.type", "const");
tagsMap.put("hello-to", "Kath");
tagsMap.put("sampler.param", "true");
testAspect(eventAspects.get("Tags"), event, tagsMap);
}
private static void testAspect(ITmfEventAspect<?> eventAspect, ITmfEvent event, Object expected) {
assertNotNull(event);
assertNotNull(eventAspect);
assertEquals(expected, eventAspect.resolve(event));
}
/**
* Test a simple in order json trace
*
* @throws TmfTraceException
* should not happen
*/
@Test
public void testSimple() throws TmfTraceException {
String path = "traces/simple.json";
int nbEvents = 3;
Double start = 1526674498419000.0;
Double end = 1526674498435000.0;
ITmfTimestamp startTime = TmfTimestamp.fromMicros(start.longValue());
ITmfTimestamp endTime = TmfTimestamp.fromMicros(end.longValue());
testTrace(path, nbEvents, startTime, endTime);
}
/**
* Test a multiple services trace
*
* @throws TmfTraceException
* should not happen
*/
@Test
public void testMultipleServices() throws TmfTraceException {
String path = "traces/multiple_services.json";
int nbEvents = 5;
Double start = 1527684461617000.0;
Double end = 1527684462096000.0;
ITmfTimestamp startTime = TmfTimestamp.fromMicros(start.longValue());
ITmfTimestamp endTime = TmfTimestamp.fromMicros(end.longValue());
testTrace(path, nbEvents, startTime, endTime);
}
private static Map<String, String> testTrace(String path, int nbEvents, ITmfTimestamp startTime, ITmfTimestamp endTime) throws TmfTraceException {
ITmfTrace trace = new OpenTracingTrace();
try {
IStatus validate = trace.validate(null, path);
assertTrue(validate.getMessage(), validate.isOK());
trace.initTrace(null, path, ITmfEvent.class);
ITmfContext context = trace.seekEvent(0.0);
ITmfEvent event = trace.getNext(context);
long count = 0;
long prevTs = -1;
while (event != null) {
count++;
@NonNull
ITmfTimestamp currentTime = event.getTimestamp();
assertNotNull("Event has a timestamp", currentTime);
assertTrue("Monotonic events", currentTime.toNanos() >= prevTs);
prevTs = currentTime.toNanos();
event = trace.getNext(context);
}
assertEquals(nbEvents, count);
assertEquals(nbEvents, trace.getNbEvents());
assertEquals(startTime.toNanos(), trace.getStartTime().toNanos());
assertEquals(endTime.toNanos(), trace.getEndTime().toNanos());
assertTrue(trace instanceof ITmfPropertiesProvider);
return ((ITmfPropertiesProvider) trace).getProperties();
} finally {
trace.dispose();
}
}
private static Map<String, ITmfEventAspect<?>> getEventAspects(String path) {
ITmfTrace trace = new OpenTracingTrace();
Map<String, ITmfEventAspect<?>> returnValues = new HashMap<>();
for (@NonNull
ITmfEventAspect<?> aspect : trace.getEventAspects()) {
returnValues.put(aspect.getName(), aspect);
}
trace.dispose();
return returnValues;
}
private static ITmfEvent getFirstEvent(String path) throws TmfTraceException {
ITmfTrace trace = new OpenTracingTrace();
try {
trace.initTrace(null, path, ITmfEvent.class);
return trace.getNext(trace.seekEvent(0.0));
} finally {
trace.dispose();
}
}
}
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