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...y/instrumentation/hypertrace/apachehttpasyncclient/ApacheAsyncClientGzipHandlingTest.java
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| /* | ||
| * Copyright The Hypertrace 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.opentelemetry.instrumentation.hypertrace.apachehttpasyncclient; | ||
|
|
||
| import io.opentelemetry.proto.trace.v1.Span; | ||
| import java.io.BufferedReader; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.io.InputStreamReader; | ||
| import java.nio.charset.StandardCharsets; | ||
| import java.util.List; | ||
| import java.util.concurrent.ExecutionException; | ||
| import java.util.concurrent.Future; | ||
| import java.util.concurrent.TimeoutException; | ||
| import java.util.zip.GZIPInputStream; | ||
| import org.apache.http.HttpResponse; | ||
| import org.apache.http.client.methods.HttpGet; | ||
| import org.apache.http.impl.nio.client.CloseableHttpAsyncClient; | ||
| import org.apache.http.impl.nio.client.HttpAsyncClients; | ||
| import org.hypertrace.agent.testing.AbstractInstrumenterTest; | ||
| import org.hypertrace.agent.testing.TestHttpServer; | ||
| import org.junit.jupiter.api.AfterAll; | ||
| import org.junit.jupiter.api.Assertions; | ||
| import org.junit.jupiter.api.BeforeAll; | ||
| import org.junit.jupiter.api.Test; | ||
|
|
||
| class ApacheAsyncClientGzipHandlingTest extends AbstractInstrumenterTest { | ||
|
|
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| private static final TestHttpServer testHttpServer = new TestHttpServer(); | ||
|
|
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| private static final CloseableHttpAsyncClient client = HttpAsyncClients.createDefault(); | ||
|
|
||
| @BeforeAll | ||
| public static void startServer() throws Exception { | ||
| testHttpServer.start(); | ||
| client.start(); | ||
| } | ||
|
|
||
| @AfterAll | ||
| public static void closeServer() throws Exception { | ||
| testHttpServer.close(); | ||
| } | ||
|
|
||
| @Test | ||
| public void getGzipResponse() | ||
| throws ExecutionException, InterruptedException, TimeoutException, IOException { | ||
| HttpGet getRequest = | ||
| new HttpGet(String.format("http://localhost:%s/gzip", testHttpServer.port())); | ||
| getRequest.addHeader("foo", "bar"); | ||
| Future<HttpResponse> futureResponse = | ||
| client.execute( | ||
| getRequest, new ApacheAsyncClientInstrumentationModuleTest.NoopFutureCallback()); | ||
|
|
||
| HttpResponse response = futureResponse.get(); | ||
| Assertions.assertEquals(200, response.getStatusLine().getStatusCode()); | ||
| try (InputStream gzipStream = new GZIPInputStream(response.getEntity().getContent())) { | ||
| String responseBody = readInputStream(gzipStream); | ||
| Assertions.assertEquals(TestHttpServer.GzipHandler.RESPONSE_BODY, responseBody); | ||
| } | ||
|
|
||
| TEST_WRITER.waitForTraces(1); | ||
| // exclude server spans | ||
| List<List<Span>> traces = | ||
| TEST_WRITER.waitForSpans( | ||
| 2, | ||
| span -> | ||
| span.getKind().equals(Span.SpanKind.SPAN_KIND_SERVER) | ||
| || span.getAttributesList().stream() | ||
| .noneMatch( | ||
| keyValue -> | ||
| keyValue.getKey().equals("http.response.header.content-encoding") | ||
| && keyValue.getValue().getStringValue().contains("gzip"))); | ||
| Assertions.assertEquals(1, traces.size()); | ||
| Assertions.assertEquals(2, traces.get(0).size()); | ||
| Span clientSpan = traces.get(0).get(1); | ||
| Span responseBodySpan = traces.get(0).get(0); | ||
| if (traces.get(0).get(0).getKind().equals(Span.SpanKind.SPAN_KIND_CLIENT)) { | ||
| clientSpan = traces.get(0).get(0); | ||
| responseBodySpan = traces.get(0).get(1); | ||
| } | ||
|
|
||
| Assertions.assertEquals( | ||
| "test-value", | ||
| TEST_WRITER | ||
| .getAttributesMap(clientSpan) | ||
| .get("http.response.header.test-response-header") | ||
| .getStringValue()); | ||
| Assertions.assertEquals( | ||
| "bar", | ||
| TEST_WRITER.getAttributesMap(clientSpan).get("http.request.header.foo").getStringValue()); | ||
| Assertions.assertNull(TEST_WRITER.getAttributesMap(clientSpan).get("http.request.body")); | ||
|
|
||
| Assertions.assertEquals( | ||
| TestHttpServer.GzipHandler.RESPONSE_BODY, | ||
| TEST_WRITER.getAttributesMap(responseBodySpan).get("http.response.body").getStringValue()); | ||
| } | ||
|
|
||
| private String readInputStream(InputStream inputStream) throws IOException { | ||
| StringBuilder textBuilder = new StringBuilder(); | ||
|
|
||
| try (BufferedReader reader = | ||
| new BufferedReader(new InputStreamReader(inputStream, StandardCharsets.UTF_8))) { | ||
| int c; | ||
| while ((c = reader.read()) != -1) { | ||
| textBuilder.append((char) c); | ||
| } | ||
| } | ||
| return textBuilder.toString(); | ||
| } | ||
| } |
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