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DistributedTracedMessageTest.java
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DistributedTracedMessageTest.java
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/*
* Copyright 2017-2020 The OpenTracing Authors
*
* 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 io.opentracing.contrib.akka;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertTrue;
import io.opentracing.Scope;
import io.opentracing.Span;
import io.opentracing.mock.MockTracer;
import io.opentracing.util.GlobalTracer;
import io.opentracing.util.GlobalTracerTestUtil;
import io.opentracing.util.ThreadLocalScopeManager;
import org.junit.Before;
import org.junit.Test;
public class DistributedTracedMessageTest {
private final MockTracer mockTracer = new MockTracer(new ThreadLocalScopeManager());
@Before
public void before() {
mockTracer.reset();
GlobalTracer.registerIfAbsent(mockTracer);
}
@Before
public void after() {
GlobalTracerTestUtil.resetGlobalTracer();
}
@Test(expected = IllegalArgumentException.class)
public void testNullMessage() {
DistributedTracedMessage.wrap(null);
}
@Test
public void testExplicitNoActiveSpan() {
String originalMessage = "foo";
Object message = DistributedTracedMessage.wrap(mockTracer, null, originalMessage);
assertEquals(message, originalMessage);
}
@Test
public void testImplicitNoActiveSpan() {
String originalMessage = "foo";
Object message = DistributedTracedMessage.wrap(originalMessage);
assertEquals(message, originalMessage);
}
@Test
public void testImplicitNoActiveSpanWithTracer() {
String originalMessage = "foo";
Object message = DistributedTracedMessage.wrap(mockTracer, originalMessage);
assertEquals(message, originalMessage);
}
@Test
public void testImplicitActiveSpan() {
String originalMessage = "foo";
Object message;
Span span = mockTracer.buildSpan("one").start();
try (Scope ignored = mockTracer.scopeManager().activate(span)) {
message = DistributedTracedMessage.wrap(originalMessage);
}
assertTrue(message instanceof DistributedTracedMessage);
DistributedTracedMessage tracedMessage = (DistributedTracedMessage) message;
assertEquals(span.context().toTraceId(),
tracedMessage.activeSpan(mockTracer).context().toTraceId());
assertNotEquals(span.context().toSpanId(),
tracedMessage.activeSpan(mockTracer).context().toSpanId());
assertEquals(originalMessage, tracedMessage.message());
}
@Test
public void testExplicitActiveSpan() {
String originalMessage = "foo";
Span span = mockTracer.buildSpan("one").start();
Object message = DistributedTracedMessage.wrap(span, originalMessage);
assertTrue(message instanceof DistributedTracedMessage);
DistributedTracedMessage tracedMessage = (DistributedTracedMessage) message;
assertEquals(span.context().toTraceId(),
tracedMessage.activeSpan(mockTracer).context().toTraceId());
assertNotEquals(span.context().toSpanId(),
tracedMessage.activeSpan(mockTracer).context().toSpanId());
assertEquals(originalMessage, tracedMessage.message());
}
}