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Oversampling-mitigation
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184
...order-sdk-aws-sdk/src/test/java/com/amazonaws/xray/handlers/TracingHandlerLambdaTest.java
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| /* | ||
| * Copyright Amazon.com, Inc. or its affiliates. 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. | ||
| * A copy of the License is located at | ||
| * | ||
| * http://aws.amazon.com/apache2.0 | ||
| * | ||
| * or in the "license" file accompanying this file. This file 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.amazonaws.xray.handlers; | ||
|
|
||
| import static org.assertj.core.api.Assertions.assertThat; | ||
| import static org.mockito.ArgumentMatchers.any; | ||
|
|
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| import com.amazonaws.DefaultRequest; | ||
| import com.amazonaws.Response; | ||
| import com.amazonaws.http.HttpResponse; | ||
| import com.amazonaws.services.lambda.model.InvokeRequest; | ||
| import com.amazonaws.services.lambda.model.InvokeResult; | ||
| import com.amazonaws.xray.AWSXRayRecorder; | ||
| import com.amazonaws.xray.AWSXRayRecorderBuilder; | ||
| import com.amazonaws.xray.contexts.LambdaSegmentContext; | ||
| import com.amazonaws.xray.contexts.LambdaSegmentContextResolver; | ||
| import com.amazonaws.xray.emitters.DefaultEmitter; | ||
| import com.amazonaws.xray.emitters.Emitter; | ||
| import com.amazonaws.xray.entities.Subsegment; | ||
| import com.amazonaws.xray.entities.TraceHeader; | ||
| import com.amazonaws.xray.strategy.sampling.NoSamplingStrategy; | ||
| import org.junit.FixMethodOrder; | ||
| import org.junit.Test; | ||
| import org.junit.runner.RunWith; | ||
| import org.junit.runners.MethodSorters; | ||
| import org.mockito.Mockito; | ||
| import org.powermock.api.mockito.PowerMockito; | ||
| import org.powermock.core.classloader.annotations.PowerMockIgnore; | ||
| import org.powermock.core.classloader.annotations.PrepareForTest; | ||
| import org.powermock.modules.junit4.PowerMockRunner; | ||
|
|
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| @RunWith(PowerMockRunner.class) | ||
| @FixMethodOrder(MethodSorters.JVM) | ||
| @PrepareForTest({LambdaSegmentContext.class, LambdaSegmentContextResolver.class}) | ||
| @PowerMockIgnore("javax.net.ssl.*") | ||
| public class TracingHandlerLambdaTest { | ||
| private static final String TRACE_HEADER = | ||
| "Root=1-57ff426a-80c11c39b0c928905eb0828d;Parent=1234abcd1234abcd;Sampled=1"; | ||
|
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| @Test | ||
| public void testSamplingOverrideFalseInLambda() throws Exception { | ||
| TraceHeader header = TraceHeader.fromString(TRACE_HEADER); | ||
|
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| PowerMockito.stub(PowerMockito.method( | ||
| LambdaSegmentContext.class, "getTraceHeaderFromEnvironment")).toReturn(header); | ||
| PowerMockito.stub(PowerMockito.method( | ||
| LambdaSegmentContextResolver.class, "getLambdaTaskRoot")).toReturn("/var/task"); | ||
|
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| Emitter mockedEmitted = Mockito.mock(DefaultEmitter.class); | ||
|
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| AWSXRayRecorder recorder = AWSXRayRecorderBuilder.standard() | ||
| .withEmitter(mockedEmitted) | ||
| .build(); | ||
|
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| recorder.beginSubsegmentWithoutSampling("Test"); | ||
|
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| Subsegment subsegment = ((Subsegment) recorder.getTraceEntity()); | ||
| assertThat(subsegment.shouldPropagate()).isTrue(); | ||
|
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| DefaultRequest<Void> request = new DefaultRequest<>(new InvokeRequest(), "Test"); | ||
|
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| TracingHandler tracingHandler = new TracingHandler(recorder); | ||
| tracingHandler.beforeRequest(request); | ||
| tracingHandler.afterResponse(request, new Response(new InvokeResult(), new HttpResponse(request, null))); | ||
|
|
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| assertThat(TraceHeader.fromString(request.getHeaders().get(TraceHeader.HEADER_KEY)).getSampled()) | ||
| .isEqualTo(TraceHeader.SampleDecision.NOT_SAMPLED); | ||
|
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| recorder.endSubsegment(); | ||
|
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| Mockito.verify(mockedEmitted, Mockito.times(0)).sendSubsegment(any()); | ||
| } | ||
|
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| @Test | ||
| public void testSamplingOverrideTrueInLambda() { | ||
| Emitter mockedEmitted = Mockito.mock(DefaultEmitter.class); | ||
|
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| AWSXRayRecorder recorder = AWSXRayRecorderBuilder.standard() | ||
| .withSamplingStrategy(new NoSamplingStrategy()) | ||
| .withEmitter(mockedEmitted) | ||
| .build(); | ||
|
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| TraceHeader header = TraceHeader.fromString(TRACE_HEADER); | ||
|
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| PowerMockito.stub(PowerMockito.method( | ||
| LambdaSegmentContext.class, "getTraceHeaderFromEnvironment")).toReturn(header); | ||
| PowerMockito.stub(PowerMockito.method( | ||
| LambdaSegmentContextResolver.class, "getLambdaTaskRoot")).toReturn("/var/task"); | ||
|
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| Mockito.doAnswer(invocation -> { return true; }).when(mockedEmitted).sendSubsegment(any()); | ||
|
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| recorder.beginSubsegment("test1"); | ||
| Subsegment subsegment = ((Subsegment) recorder.getTraceEntity()); | ||
| assertThat(subsegment.shouldPropagate()).isTrue(); | ||
| DefaultRequest<Void> request = new DefaultRequest<>(new InvokeRequest(), "Test"); | ||
| TracingHandler tracingHandler = new TracingHandler(recorder); | ||
| tracingHandler.beforeRequest(request); | ||
| assertThat(TraceHeader.fromString(request.getHeaders().get(TraceHeader.HEADER_KEY)).getSampled()) | ||
| .isEqualTo(TraceHeader.SampleDecision.SAMPLED); | ||
| tracingHandler.afterResponse(request, new Response(new InvokeResult(), new HttpResponse(request, null))); | ||
| recorder.endSubsegment(); | ||
| Mockito.verify(mockedEmitted, Mockito.times(1)).sendSubsegment(any()); | ||
| } | ||
|
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| @Test | ||
| public void testSamplingOverrideMixedInLambda() { | ||
| Emitter mockedEmitted = Mockito.mock(DefaultEmitter.class); | ||
|
|
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| AWSXRayRecorder recorder = AWSXRayRecorderBuilder.standard() | ||
| .withSamplingStrategy(new NoSamplingStrategy()) | ||
| .withEmitter(mockedEmitted) | ||
| .build(); | ||
|
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| TraceHeader header = TraceHeader.fromString(TRACE_HEADER); | ||
|
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| PowerMockito.stub(PowerMockito.method( | ||
| LambdaSegmentContext.class, "getTraceHeaderFromEnvironment")).toReturn(header); | ||
| PowerMockito.stub(PowerMockito.method( | ||
| LambdaSegmentContextResolver.class, "getLambdaTaskRoot")).toReturn("/var/task"); | ||
|
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| Mockito.doAnswer(invocation -> { return true; }).when(mockedEmitted).sendSubsegment(any()); | ||
|
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| recorder.beginSubsegment("test1"); | ||
| Subsegment subsegment1 = ((Subsegment) recorder.getTraceEntity()); | ||
| assertThat(subsegment1.shouldPropagate()).isTrue(); | ||
| DefaultRequest<Void> request1 = new DefaultRequest<>(new InvokeRequest(), "Test"); | ||
| TracingHandler tracingHandler1 = new TracingHandler(recorder); | ||
| tracingHandler1.beforeRequest(request1); | ||
| assertThat(TraceHeader.fromString(request1.getHeaders().get(TraceHeader.HEADER_KEY)).getSampled()) | ||
| .isEqualTo(TraceHeader.SampleDecision.SAMPLED); | ||
| tracingHandler1.afterResponse(request1, new Response(new InvokeResult(), new HttpResponse(request1, null))); | ||
| recorder.endSubsegment(); | ||
| Mockito.verify(mockedEmitted, Mockito.times(1)).sendSubsegment(any()); | ||
|
|
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| recorder.beginSubsegmentWithoutSampling("test2"); | ||
| Subsegment subsegment2 = ((Subsegment) recorder.getTraceEntity()); | ||
| assertThat(subsegment2.shouldPropagate()).isTrue(); | ||
| DefaultRequest<Void> request2 = new DefaultRequest<>(new InvokeRequest(), "Test"); | ||
| TracingHandler tracingHandler2 = new TracingHandler(recorder); | ||
| tracingHandler2.beforeRequest(request2); | ||
| assertThat(TraceHeader.fromString(request2.getHeaders().get(TraceHeader.HEADER_KEY)).getSampled()) | ||
| .isEqualTo(TraceHeader.SampleDecision.NOT_SAMPLED); | ||
| tracingHandler2.afterResponse(request2, new Response(new InvokeResult(), new HttpResponse(request2, null))); | ||
| recorder.endSubsegment(); | ||
| Mockito.verify(mockedEmitted, Mockito.times(1)).sendSubsegment(any()); | ||
|
|
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| recorder.beginSubsegment("test3"); | ||
| Subsegment subsegment3 = ((Subsegment) recorder.getTraceEntity()); | ||
| assertThat(subsegment3.shouldPropagate()).isTrue(); | ||
| DefaultRequest<Void> request3 = new DefaultRequest<>(new InvokeRequest(), "Test"); | ||
| TracingHandler tracingHandler3 = new TracingHandler(recorder); | ||
| tracingHandler3.beforeRequest(request3); | ||
| assertThat(TraceHeader.fromString(request3.getHeaders().get(TraceHeader.HEADER_KEY)).getSampled()) | ||
| .isEqualTo(TraceHeader.SampleDecision.SAMPLED); | ||
| tracingHandler3.afterResponse(request3, new Response(new InvokeResult(), new HttpResponse(request3, null))); | ||
| recorder.endSubsegment(); | ||
| Mockito.verify(mockedEmitted, Mockito.times(2)).sendSubsegment(any()); | ||
|
|
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| recorder.beginSubsegmentWithoutSampling("test4"); | ||
| Subsegment subsegment4 = ((Subsegment) recorder.getTraceEntity()); | ||
| assertThat(subsegment4.shouldPropagate()).isTrue(); | ||
| DefaultRequest<Void> request4 = new DefaultRequest<>(new InvokeRequest(), "Test"); | ||
| TracingHandler tracingHandler4 = new TracingHandler(recorder); | ||
| tracingHandler4.beforeRequest(request4); | ||
| assertThat(TraceHeader.fromString(request4.getHeaders().get(TraceHeader.HEADER_KEY)).getSampled()) | ||
| .isEqualTo(TraceHeader.SampleDecision.NOT_SAMPLED); | ||
| tracingHandler4.afterResponse(request4, new Response(new InvokeResult(), new HttpResponse(request4, null))); | ||
| recorder.endSubsegment(); | ||
| Mockito.verify(mockedEmitted, Mockito.times(2)).sendSubsegment(any()); | ||
| } | ||
| } |
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