/
TracerTest.java
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/
TracerTest.java
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/*
* (c) Copyright 2017 Palantir Technologies Inc. All rights reserved.
*
* 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 com.palantir.conjure.java.client.retrofit2;
import static org.assertj.core.api.Assertions.assertThat;
import com.palantir.conjure.java.okhttp.HostMetricsRegistry;
import com.palantir.tracing.RenderTracingRule;
import com.palantir.tracing.Tracer;
import com.palantir.tracing.api.OpenSpan;
import com.palantir.tracing.api.TraceHttpHeaders;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import okhttp3.mockwebserver.MockResponse;
import okhttp3.mockwebserver.MockWebServer;
import okhttp3.mockwebserver.RecordedRequest;
import org.junit.Rule;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
public final class TracerTest extends TestBase {
@Rule
public final MockWebServer server = new MockWebServer();
@Rule
public final RenderTracingRule renderTracingRule = new RenderTracingRule();
private TestService service;
@BeforeEach
public void before() {
String uri = "http://localhost:" + server.getPort();
service = Retrofit2Client.create(TestService.class, AGENT, new HostMetricsRegistry(), createTestConfig(uri));
}
@Test
public void testClientIsInstrumentedWithTracer() throws InterruptedException, IOException {
OpenSpan parentTrace = Tracer.startSpan("");
String traceId = Tracer.getTraceId();
server.enqueue(new MockResponse().setBody("\"server\""));
service.get().execute();
RecordedRequest request = server.takeRequest();
assertThat(request.getHeader(TraceHttpHeaders.TRACE_ID)).isEqualTo(traceId);
assertThat(request.getHeader(TraceHttpHeaders.SPAN_ID)).isNotEqualTo(parentTrace.getSpanId());
}
@Test
public void makeListenableFutureRequestWithDelays() throws Exception {
server.enqueue(new MockResponse()
.setHeadersDelay(300, TimeUnit.MILLISECONDS)
.setHeader("Content-Type", "application/json")
.setBodyDelay(300, TimeUnit.MILLISECONDS)
.setBody("\"stringy mc stringface\""));
service.makeListenableFutureRequest().get(10, TimeUnit.SECONDS);
}
@Test
public void makeCompletableFutureRequestWithDelays() throws Exception {
server.enqueue(new MockResponse()
.setHeadersDelay(300, TimeUnit.MILLISECONDS)
.setHeader("Content-Type", "application/json")
.setBodyDelay(300, TimeUnit.MILLISECONDS)
.setBody("\"stringy mc stringface\""));
service.makeCompletableFutureRequest().get(10, TimeUnit.SECONDS);
}
}