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/*
* 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");
}
}
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