/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.cxf.systest.jaxrs.tracing.htrace;
import java.net.MalformedURLException;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import com.fasterxml.jackson.jaxrs.json.JacksonJsonProvider;
import org.apache.cxf.jaxrs.JAXRSServerFactoryBean;
import org.apache.cxf.jaxrs.client.WebClient;
import org.apache.cxf.jaxrs.lifecycle.SingletonResourceProvider;
import org.apache.cxf.jaxrs.model.AbstractResourceInfo;
import org.apache.cxf.systest.TestSpanReceiver;
import org.apache.cxf.systest.jaxrs.tracing.BookStore;
import org.apache.cxf.testutil.common.AbstractBusClientServerTestBase;
import org.apache.cxf.testutil.common.AbstractBusTestServerBase;
import org.apache.cxf.tracing.TracerHeaders;
import org.apache.cxf.tracing.htrace.jaxrs.HTraceClientProvider;
import org.apache.cxf.tracing.htrace.jaxrs.HTraceFeature;
import org.apache.htrace.core.AlwaysSampler;
import org.apache.htrace.core.HTraceConfiguration;
import org.apache.htrace.core.SpanId;
import org.apache.htrace.core.StandardOutSpanReceiver;
import org.apache.htrace.core.TraceScope;
import org.apache.htrace.core.Tracer;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Test;
import static org.apache.cxf.systest.jaxrs.tracing.htrace.HasSpan.hasSpan;
import static org.apache.cxf.systest.jaxrs.tracing.htrace.IsTimelineContaining.hasItem;
import static org.apache.cxf.systest.jaxrs.tracing.htrace.IsTimelineEmpty.empty;
import static org.hamcrest.CoreMatchers.equalTo;
public class HTraceTracingTest extends AbstractBusClientServerTestBase {
public static final String PORT = allocatePort(HTraceTracingTest.class);
private Tracer tracer;
private HTraceClientProvider htraceClientProvider;
@Ignore
public static class Server extends AbstractBusTestServerBase {
protected void run() {
final Map<String, String> properties = new HashMap<>();
properties.put(Tracer.SPAN_RECEIVER_CLASSES_KEY, TestSpanReceiver.class.getName());
properties.put(Tracer.SAMPLER_CLASSES_KEY, AlwaysSampler.class.getName());
final JAXRSServerFactoryBean sf = new JAXRSServerFactoryBean();
sf.setResourceClasses(BookStore.class);
sf.setResourceProvider(BookStore.class, new SingletonResourceProvider(new BookStore<TraceScope>()));
sf.setAddress("http://localhost:" + PORT);
sf.setProvider(new JacksonJsonProvider());
sf.setFeatures(Arrays.asList(new HTraceFeature(HTraceConfiguration.fromMap(properties), "tracer")));
sf.create();
}
}
@BeforeClass
public static void startServers() throws Exception {
AbstractResourceInfo.clearAllMaps();
//keep out of process due to stack traces testing failures
assertTrue("server did not launch correctly", launchServer(Server.class, true));
createStaticBus();
}
@Before
public void setUp() {
TestSpanReceiver.clear();
final Map<String, String> properties = new HashMap<>();
properties.put(Tracer.SPAN_RECEIVER_CLASSES_KEY, StandardOutSpanReceiver.class.getName());
properties.put(Tracer.SAMPLER_CLASSES_KEY, AlwaysSampler.class.getName());
tracer = new Tracer.Builder("tracer")
.conf(HTraceConfiguration.fromMap(properties))
.build();
htraceClientProvider = new HTraceClientProvider(tracer);
}
@Test
public void testThatNewSpanIsCreatedWhenNotProvided() {
final Response r = createWebClient("/bookstore/books").get();
assertEquals(Status.OK.getStatusCode(), r.getStatus());
assertThat(TestSpanReceiver.getAllSpans().size(), equalTo(2));
assertThat(TestSpanReceiver.getAllSpans().get(0).getDescription(), equalTo("Get Books"));
assertThat(TestSpanReceiver.getAllSpans().get(1).getDescription(), equalTo("GET bookstore/books"));
assertFalse(r.getHeaders().containsKey(TracerHeaders.DEFAULT_HEADER_SPAN_ID));
}
@Test
public void testThatNewInnerSpanIsCreated() {
final SpanId spanId = SpanId.fromRandom();
final Response r = createWebClient("/bookstore/books")
.header(TracerHeaders.DEFAULT_HEADER_SPAN_ID, spanId.toString())
.get();
assertEquals(Status.OK.getStatusCode(), r.getStatus());
assertThat(TestSpanReceiver.getAllSpans().size(), equalTo(2));
assertThat(TestSpanReceiver.getAllSpans().get(0).getDescription(), equalTo("Get Books"));
assertThat(TestSpanReceiver.getAllSpans().get(1).getDescription(), equalTo("GET bookstore/books"));
assertThat((String)r.getHeaders().getFirst(TracerHeaders.DEFAULT_HEADER_SPAN_ID), equalTo(spanId.toString()));
}
@Test
public void testThatCurrentSpanIsAnnotatedWithKeyValue() {
final SpanId spanId = SpanId.fromRandom();
final Response r = createWebClient("/bookstore/book/1")
.header(TracerHeaders.DEFAULT_HEADER_SPAN_ID, spanId.toString())
.get();
assertEquals(Status.OK.getStatusCode(), r.getStatus());
assertThat(TestSpanReceiver.getAllSpans().size(), equalTo(1));
assertThat(TestSpanReceiver.getAllSpans().get(0).getDescription(), equalTo("GET bookstore/book/1"));
assertThat(TestSpanReceiver.getAllSpans().get(0).getKVAnnotations().size(), equalTo(1));
assertThat((String)r.getHeaders().getFirst(TracerHeaders.DEFAULT_HEADER_SPAN_ID), equalTo(spanId.toString()));
}
@Test
public void testThatParallelSpanIsAnnotatedWithTimeline() {
final SpanId spanId = SpanId.fromRandom();
final Response r = createWebClient("/bookstore/process")
.header(TracerHeaders.DEFAULT_HEADER_SPAN_ID, spanId.toString())
.put("");
assertEquals(Status.OK.getStatusCode(), r.getStatus());
assertThat(TestSpanReceiver.getAllSpans().size(), equalTo(2));
assertThat(TestSpanReceiver.getAllSpans(), hasSpan("Processing books", hasItem("Processing started")));
assertThat(TestSpanReceiver.getAllSpans(), hasSpan("PUT bookstore/process", empty()));
assertThat((String)r.getHeaders().getFirst(TracerHeaders.DEFAULT_HEADER_SPAN_ID), equalTo(spanId.toString()));
}
@Test
public void testThatNewChildSpanIsCreatedWhenParentIsProvided() {
final Response r = createWebClient("/bookstore/books", htraceClientProvider).get();
assertEquals(Status.OK.getStatusCode(), r.getStatus());
assertThat(TestSpanReceiver.getAllSpans().size(), equalTo(3));
assertThat(TestSpanReceiver.getAllSpans().get(0).getDescription(), equalTo("Get Books"));
assertThat(TestSpanReceiver.getAllSpans().get(0).getParents().length, equalTo(1));
assertTrue(r.getHeaders().containsKey(TracerHeaders.DEFAULT_HEADER_SPAN_ID));
}
@Test
public void testThatNewInnerSpanIsCreatedUsingAsyncInvocation() {
final SpanId spanId = SpanId.fromRandom();
final Response r = createWebClient("/bookstore/books/async")
.header(TracerHeaders.DEFAULT_HEADER_SPAN_ID, spanId.toString())
.get();
assertEquals(Status.OK.getStatusCode(), r.getStatus());
assertThat(TestSpanReceiver.getAllSpans().size(), equalTo(2));
assertThat(TestSpanReceiver.getAllSpans().get(1).getDescription(), equalTo("GET bookstore/books/async"));
assertThat(TestSpanReceiver.getAllSpans().get(0).getDescription(), equalTo("Processing books"));
assertThat((String)r.getHeaders().getFirst(TracerHeaders.DEFAULT_HEADER_SPAN_ID), equalTo(spanId.toString()));
}
@Test
public void testThatOuterSpanIsCreatedUsingAsyncInvocation() {
final SpanId spanId = SpanId.fromRandom();
final Response r = createWebClient("/bookstore/books/async/notrace")
.header(TracerHeaders.DEFAULT_HEADER_SPAN_ID, spanId.toString())
.get();
assertEquals(Status.OK.getStatusCode(), r.getStatus());
assertThat(TestSpanReceiver.getAllSpans().size(), equalTo(1));
assertThat(TestSpanReceiver.getAllSpans().get(0).getDescription(),
equalTo("GET bookstore/books/async/notrace"));
assertThat((String)r.getHeaders().getFirst(TracerHeaders.DEFAULT_HEADER_SPAN_ID), equalTo(spanId.toString()));
}
@Test
public void testThatNewSpanIsCreatedUsingAsyncInvocation() {
final Response r = createWebClient("/bookstore/books/async").get();
assertEquals(Status.OK.getStatusCode(), r.getStatus());
assertThat(TestSpanReceiver.getAllSpans().size(), equalTo(2));
assertThat(TestSpanReceiver.getAllSpans().get(1).getDescription(), equalTo("GET bookstore/books/async"));
assertThat(TestSpanReceiver.getAllSpans().get(0).getDescription(), equalTo("Processing books"));
}
@Test
public void testThatNewSpanIsCreatedWhenNotProvidedUsingAsyncClient() throws Exception {
final WebClient client = createWebClient("/bookstore/books", htraceClientProvider);
final Future<Response> f = client.async().get();
final Response r = f.get(1, TimeUnit.SECONDS);
assertEquals(Status.OK.getStatusCode(), r.getStatus());
assertThat(TestSpanReceiver.getAllSpans().size(), equalTo(3));
assertThat(TestSpanReceiver.getAllSpans().get(0).getDescription(), equalTo("Get Books"));
assertThat(TestSpanReceiver.getAllSpans().get(1).getDescription(), equalTo("GET bookstore/books"));
assertThat(TestSpanReceiver.getAllSpans().get(2).getDescription(), equalTo("GET " + client.getCurrentURI()));
assertTrue(r.getHeaders().containsKey(TracerHeaders.DEFAULT_HEADER_SPAN_ID));
}
@Test
public void testThatProvidedSpanIsNotClosedWhenActive() throws MalformedURLException {
try (TraceScope scope = tracer.newScope("test span")) {
final Response r = createWebClient("/bookstore/books", htraceClientProvider).get();
assertEquals(Status.OK.getStatusCode(), r.getStatus());
assertThat(TestSpanReceiver.getAllSpans().size(), equalTo(2));
assertThat(TestSpanReceiver.getAllSpans().get(0).getDescription(), equalTo("Get Books"));
assertThat(TestSpanReceiver.getAllSpans().get(0).getParents().length, equalTo(1));
assertThat(TestSpanReceiver.getAllSpans().get(1).getDescription(), equalTo("GET bookstore/books"));
assertTrue(r.getHeaders().containsKey(TracerHeaders.DEFAULT_HEADER_SPAN_ID));
}
assertThat(TestSpanReceiver.getAllSpans().size(), equalTo(3));
assertThat(TestSpanReceiver.getAllSpans().get(2).getDescription(), equalTo("test span"));
}
@Test
public void testThatProvidedSpanIsNotDetachedWhenActiveUsingAsyncClient() throws Exception {
final WebClient client = createWebClient("/bookstore/books", htraceClientProvider);
try (TraceScope scope = tracer.newScope("test span")) {
final Future<Response> f = client.async().get();
final Response r = f.get(1, TimeUnit.SECONDS);
assertEquals(Status.OK.getStatusCode(), r.getStatus());
assertThat(Tracer.getCurrentSpan(), equalTo(scope.getSpan()));
assertThat(TestSpanReceiver.getAllSpans().size(), equalTo(2));
assertThat(TestSpanReceiver.getAllSpans().get(0).getDescription(), equalTo("Get Books"));
assertThat(TestSpanReceiver.getAllSpans().get(1).getDescription(), equalTo("GET bookstore/books"));
assertTrue(r.getHeaders().containsKey(TracerHeaders.DEFAULT_HEADER_SPAN_ID));
}
assertThat(TestSpanReceiver.getAllSpans().get(2).getDescription(), equalTo("test span"));
}
@Test
public void testThatInnerSpanIsCreatedUsingPseudoAsyncInvocation() {
final SpanId spanId = SpanId.fromRandom();
final Response r = createWebClient("/bookstore/books/pseudo-async")
.header(TracerHeaders.DEFAULT_HEADER_SPAN_ID, spanId.toString())
.get();
assertEquals(Status.OK.getStatusCode(), r.getStatus());
assertThat(TestSpanReceiver.getAllSpans().size(), equalTo(2));
assertThat(TestSpanReceiver.getAllSpans().get(1).getDescription(), equalTo("GET bookstore/books/pseudo-async"));
assertThat(TestSpanReceiver.getAllSpans().get(0).getDescription(), equalTo("Processing books"));
assertThat((String)r.getHeaders().getFirst(TracerHeaders.DEFAULT_HEADER_SPAN_ID), equalTo(spanId.toString()));
}
protected WebClient createWebClient(final String url, final Object ... providers) {
return WebClient
.create("http://localhost:" + PORT + url, Arrays.asList(providers))
.accept(MediaType.APPLICATION_JSON);
}
}