| /* |
| * Copyright 2017, OpenCensus 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.opencensus.implcore.trace.export; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.mockito.Matchers.anyListOf; |
| import static org.mockito.Mockito.doThrow; |
| |
| import io.opencensus.common.Duration; |
| import io.opencensus.implcore.common.MillisClock; |
| import io.opencensus.implcore.internal.SimpleEventQueue; |
| import io.opencensus.implcore.trace.RecordEventsSpanImpl; |
| import io.opencensus.implcore.trace.RecordEventsSpanImpl.StartEndHandler; |
| import io.opencensus.implcore.trace.StartEndHandlerImpl; |
| import io.opencensus.testing.export.TestHandler; |
| import io.opencensus.trace.SpanContext; |
| import io.opencensus.trace.SpanId; |
| import io.opencensus.trace.TraceId; |
| import io.opencensus.trace.TraceOptions; |
| import io.opencensus.trace.config.TraceParams; |
| import io.opencensus.trace.export.SpanData; |
| import io.opencensus.trace.export.SpanExporter.Handler; |
| import java.util.List; |
| import java.util.Random; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| /** Unit tests for {@link SpanExporterImpl}. */ |
| @RunWith(JUnit4.class) |
| public class SpanExporterImplTest { |
| private static final String SPAN_NAME_1 = "MySpanName/1"; |
| private static final String SPAN_NAME_2 = "MySpanName/2"; |
| private final Random random = new Random(1234); |
| private final SpanContext sampledSpanContext = |
| SpanContext.create( |
| TraceId.generateRandomId(random), |
| SpanId.generateRandomId(random), |
| TraceOptions.builder().setIsSampled(true).build()); |
| private final SpanContext notSampledSpanContext = |
| SpanContext.create( |
| TraceId.generateRandomId(random), SpanId.generateRandomId(random), TraceOptions.DEFAULT); |
| private final RunningSpanStoreImpl runningSpanStore = new InProcessRunningSpanStoreImpl(); |
| private final TestHandler serviceHandler = new TestHandler(); |
| @Mock private Handler mockServiceHandler; |
| |
| @Before |
| public void setUp() { |
| MockitoAnnotations.initMocks(this); |
| } |
| |
| private RecordEventsSpanImpl createSampledEndedSpan( |
| StartEndHandler startEndHandler, String spanName) { |
| RecordEventsSpanImpl span = |
| RecordEventsSpanImpl.startSpan( |
| sampledSpanContext, |
| spanName, |
| null, |
| null, |
| false, |
| TraceParams.DEFAULT, |
| startEndHandler, |
| null, |
| MillisClock.getInstance()); |
| span.end(); |
| return span; |
| } |
| |
| private RecordEventsSpanImpl createNotSampledEndedSpan( |
| StartEndHandler startEndHandler, String spanName) { |
| RecordEventsSpanImpl span = |
| RecordEventsSpanImpl.startSpan( |
| notSampledSpanContext, |
| spanName, |
| null, |
| null, |
| false, |
| TraceParams.DEFAULT, |
| startEndHandler, |
| null, |
| MillisClock.getInstance()); |
| span.end(); |
| return span; |
| } |
| |
| @Test |
| public void exportDifferentSampledSpans() { |
| SpanExporterImpl spanExporter = SpanExporterImpl.create(4, Duration.create(1, 0)); |
| StartEndHandler startEndHandler = |
| new StartEndHandlerImpl(spanExporter, runningSpanStore, null, new SimpleEventQueue()); |
| |
| spanExporter.registerHandler("test.service", serviceHandler); |
| |
| RecordEventsSpanImpl span1 = createSampledEndedSpan(startEndHandler, SPAN_NAME_1); |
| RecordEventsSpanImpl span2 = createSampledEndedSpan(startEndHandler, SPAN_NAME_2); |
| List<SpanData> exported = serviceHandler.waitForExport(2); |
| assertThat(exported).containsExactly(span1.toSpanData(), span2.toSpanData()); |
| } |
| |
| @Test |
| public void exportMoreSpansThanTheBufferSize() { |
| SpanExporterImpl spanExporter = SpanExporterImpl.create(4, Duration.create(1, 0)); |
| StartEndHandler startEndHandler = |
| new StartEndHandlerImpl(spanExporter, runningSpanStore, null, new SimpleEventQueue()); |
| |
| spanExporter.registerHandler("test.service", serviceHandler); |
| |
| RecordEventsSpanImpl span1 = createSampledEndedSpan(startEndHandler, SPAN_NAME_1); |
| RecordEventsSpanImpl span2 = createSampledEndedSpan(startEndHandler, SPAN_NAME_1); |
| RecordEventsSpanImpl span3 = createSampledEndedSpan(startEndHandler, SPAN_NAME_1); |
| RecordEventsSpanImpl span4 = createSampledEndedSpan(startEndHandler, SPAN_NAME_1); |
| RecordEventsSpanImpl span5 = createSampledEndedSpan(startEndHandler, SPAN_NAME_1); |
| RecordEventsSpanImpl span6 = createSampledEndedSpan(startEndHandler, SPAN_NAME_1); |
| List<SpanData> exported = serviceHandler.waitForExport(6); |
| assertThat(exported) |
| .containsExactly( |
| span1.toSpanData(), |
| span2.toSpanData(), |
| span3.toSpanData(), |
| span4.toSpanData(), |
| span5.toSpanData(), |
| span6.toSpanData()); |
| } |
| |
| @Test |
| public void interruptWorkerThreadStops() throws InterruptedException { |
| SpanExporterImpl spanExporter = SpanExporterImpl.create(4, Duration.create(1, 0)); |
| |
| spanExporter.registerHandler("test.service", serviceHandler); |
| |
| Thread serviceExporterThread = spanExporter.getServiceExporterThread(); |
| serviceExporterThread.interrupt(); |
| // Test that the worker thread will stop. |
| serviceExporterThread.join(); |
| } |
| |
| @Test |
| public void serviceHandlerThrowsException() { |
| doThrow(new IllegalArgumentException("No export for you.")) |
| .when(mockServiceHandler) |
| .export(anyListOf(SpanData.class)); |
| |
| SpanExporterImpl spanExporter = SpanExporterImpl.create(4, Duration.create(1, 0)); |
| StartEndHandler startEndHandler = |
| new StartEndHandlerImpl(spanExporter, runningSpanStore, null, new SimpleEventQueue()); |
| |
| spanExporter.registerHandler("test.service", serviceHandler); |
| |
| spanExporter.registerHandler("mock.service", mockServiceHandler); |
| RecordEventsSpanImpl span1 = createSampledEndedSpan(startEndHandler, SPAN_NAME_1); |
| List<SpanData> exported = serviceHandler.waitForExport(1); |
| assertThat(exported).containsExactly(span1.toSpanData()); |
| // Continue to export after the exception was received. |
| RecordEventsSpanImpl span2 = createSampledEndedSpan(startEndHandler, SPAN_NAME_1); |
| exported = serviceHandler.waitForExport(1); |
| assertThat(exported).containsExactly(span2.toSpanData()); |
| } |
| |
| @Test |
| public void exportSpansToMultipleServices() { |
| SpanExporterImpl spanExporter = SpanExporterImpl.create(4, Duration.create(1, 0)); |
| StartEndHandler startEndHandler = |
| new StartEndHandlerImpl(spanExporter, runningSpanStore, null, new SimpleEventQueue()); |
| |
| spanExporter.registerHandler("test.service", serviceHandler); |
| |
| TestHandler serviceHandler2 = new TestHandler(); |
| spanExporter.registerHandler("test.service2", serviceHandler2); |
| RecordEventsSpanImpl span1 = createSampledEndedSpan(startEndHandler, SPAN_NAME_1); |
| RecordEventsSpanImpl span2 = createSampledEndedSpan(startEndHandler, SPAN_NAME_2); |
| List<SpanData> exported1 = serviceHandler.waitForExport(2); |
| List<SpanData> exported2 = serviceHandler2.waitForExport(2); |
| assertThat(exported1).containsExactly(span1.toSpanData(), span2.toSpanData()); |
| assertThat(exported2).containsExactly(span1.toSpanData(), span2.toSpanData()); |
| } |
| |
| @Test |
| public void exportNotSampledSpans() { |
| SpanExporterImpl spanExporter = SpanExporterImpl.create(4, Duration.create(1, 0)); |
| StartEndHandler startEndHandler = |
| new StartEndHandlerImpl(spanExporter, runningSpanStore, null, new SimpleEventQueue()); |
| |
| spanExporter.registerHandler("test.service", serviceHandler); |
| |
| RecordEventsSpanImpl span1 = createNotSampledEndedSpan(startEndHandler, SPAN_NAME_1); |
| RecordEventsSpanImpl span2 = createSampledEndedSpan(startEndHandler, SPAN_NAME_2); |
| // Spans are recorded and exported in the same order as they are ended, we test that a non |
| // sampled span is not exported by creating and ending a sampled span after a non sampled span |
| // and checking that the first exported span is the sampled span (the non sampled did not get |
| // exported). |
| List<SpanData> exported = serviceHandler.waitForExport(1); |
| // Need to check this because otherwise the variable span1 is unused, other option is to not |
| // have a span1 variable. |
| assertThat(exported).doesNotContain(span1.toSpanData()); |
| assertThat(exported).containsExactly(span2.toSpanData()); |
| } |
| |
| @Test(timeout = 10000L) |
| public void exportNotSampledSpansFlushed() { |
| // Set the export delay to zero, for no timeout, in order to confirm the #flush() below works |
| SpanExporterImpl spanExporter = SpanExporterImpl.create(4, Duration.create(0, 0)); |
| StartEndHandler startEndHandler = |
| new StartEndHandlerImpl(spanExporter, runningSpanStore, null, new SimpleEventQueue()); |
| |
| spanExporter.registerHandler("test.service", serviceHandler); |
| |
| RecordEventsSpanImpl span2 = createSampledEndedSpan(startEndHandler, SPAN_NAME_2); |
| |
| // Force a flush, without this, the #waitForExport() call below would block indefinitely. |
| spanExporter.flush(); |
| |
| List<SpanData> exported = serviceHandler.waitForExport(1); |
| |
| assertThat(exported).containsExactly(span2.toSpanData()); |
| } |
| } |