| /* |
| * Copyright 2018, 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.contrib.logcorrelation.log4j2; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import io.opencensus.common.Function; |
| import io.opencensus.contrib.logcorrelation.log4j2.OpenCensusTraceContextDataInjector.SpanSelection; |
| import io.opencensus.trace.SpanContext; |
| import io.opencensus.trace.SpanId; |
| import io.opencensus.trace.TraceId; |
| import io.opencensus.trace.TraceOptions; |
| import org.apache.logging.log4j.ThreadContext; |
| import org.apache.logging.log4j.core.Logger; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** |
| * Tests for Log4j log correlation with {@link |
| * OpenCensusTraceContextDataInjector#SPAN_SELECTION_PROPERTY_NAME} set to {@link |
| * SpanSelection#ALL_SPANS}. |
| */ |
| @RunWith(JUnit4.class) |
| public final class OpenCensusLog4jLogCorrelationAllSpansTest |
| extends AbstractOpenCensusLog4jLogCorrelationTest { |
| |
| @BeforeClass |
| public static void setUp() { |
| initializeLog4j(SpanSelection.ALL_SPANS); |
| } |
| |
| @Test |
| public void addSampledSpanToLogEntryWithAllSpans() { |
| String log = |
| logWithSpanAndLog4jConfiguration( |
| TEST_PATTERN, |
| SpanContext.create( |
| TraceId.fromLowerBase16("b9718fe3d82d36fce0e6a1ada1c21db0"), |
| SpanId.fromLowerBase16("75159dde8c503fee"), |
| TraceOptions.builder().setIsSampled(true).build(), |
| EMPTY_TRACESTATE), |
| new Function<Logger, Void>() { |
| @Override |
| public Void apply(Logger logger) { |
| logger.warn("message #1"); |
| return null; |
| } |
| }); |
| assertThat(log) |
| .isEqualTo( |
| "traceId=b9718fe3d82d36fce0e6a1ada1c21db0 spanId=75159dde8c503fee " |
| + "sampled=true WARN - message #1"); |
| } |
| |
| @Test |
| public void addNonSampledSpanToLogEntryWithAllSpans() { |
| String log = |
| logWithSpanAndLog4jConfiguration( |
| TEST_PATTERN, |
| SpanContext.create( |
| TraceId.fromLowerBase16("cd7061dfa9d312cdcc42edab3feab51b"), |
| SpanId.fromLowerBase16("117d42d4c7acd066"), |
| TraceOptions.builder().setIsSampled(false).build(), |
| EMPTY_TRACESTATE), |
| new Function<Logger, Void>() { |
| @Override |
| public Void apply(Logger logger) { |
| logger.info("message #2"); |
| return null; |
| } |
| }); |
| assertThat(log) |
| .isEqualTo( |
| "traceId=cd7061dfa9d312cdcc42edab3feab51b spanId=117d42d4c7acd066 sampled=false INFO " |
| + "- message #2"); |
| } |
| |
| @Test |
| public void addBlankSpanToLogEntryWithAllSpans() { |
| String log = |
| logWithSpanAndLog4jConfiguration( |
| TEST_PATTERN, |
| SpanContext.INVALID, |
| new Function<Logger, Void>() { |
| @Override |
| public Void apply(Logger logger) { |
| logger.fatal("message #3"); |
| return null; |
| } |
| }); |
| assertThat(log) |
| .isEqualTo( |
| "traceId=00000000000000000000000000000000 spanId=0000000000000000 sampled=false FATAL " |
| + "- message #3"); |
| } |
| |
| @Test |
| public void preserveOtherKeyValuePairs() { |
| String log = |
| logWithSpanAndLog4jConfiguration( |
| "%X{opencensusTraceId} %X{myTestKey} %-5level - %msg", |
| SpanContext.create( |
| TraceId.fromLowerBase16("c95329bb6b7de41afbc51a231c128f97"), |
| SpanId.fromLowerBase16("bf22ea74d38eddad"), |
| TraceOptions.builder().setIsSampled(true).build(), |
| EMPTY_TRACESTATE), |
| new Function<Logger, Void>() { |
| @Override |
| public Void apply(Logger logger) { |
| String key = "myTestKey"; |
| ThreadContext.put(key, "myTestValue"); |
| try { |
| logger.error("message #4"); |
| } finally { |
| ThreadContext.remove(key); |
| } |
| return null; |
| } |
| }); |
| assertThat(log).isEqualTo("c95329bb6b7de41afbc51a231c128f97 myTestValue ERROR - message #4"); |
| } |
| |
| @Test |
| public void overwriteExistingTracingKey() { |
| String log = |
| logWithSpanAndLog4jConfiguration( |
| TEST_PATTERN, |
| SpanContext.create( |
| TraceId.fromLowerBase16("18e4ae44273a0c44e0c9ea4380792c66"), |
| SpanId.fromLowerBase16("199a7e16daa000a7"), |
| TraceOptions.builder().setIsSampled(true).build(), |
| EMPTY_TRACESTATE), |
| new Function<Logger, Void>() { |
| @Override |
| public Void apply(Logger logger) { |
| ThreadContext.put( |
| OpenCensusTraceContextDataInjector.TRACE_ID_CONTEXT_KEY, "existingTraceId"); |
| try { |
| logger.error("message #5"); |
| } finally { |
| ThreadContext.remove(OpenCensusTraceContextDataInjector.TRACE_ID_CONTEXT_KEY); |
| } |
| return null; |
| } |
| }); |
| assertThat(log) |
| .isEqualTo( |
| "traceId=18e4ae44273a0c44e0c9ea4380792c66 spanId=199a7e16daa000a7 " |
| + "sampled=true ERROR - message #5"); |
| } |
| } |