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Serialize stack traces in error.stack_trace
depends on elastic/ecs#562
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89 changes: 89 additions & 0 deletions
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ecs-logging-core/src/test/java/co/elastic/logging/EcsJsonSerializerTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| /*- | ||
| * #%L | ||
| * Java ECS logging | ||
| * %% | ||
| * Copyright (C) 2019 Elastic and contributors | ||
| * %% | ||
| * Licensed to Elasticsearch B.V. under one or more contributor | ||
| * license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright | ||
| * ownership. Elasticsearch B.V. licenses this file to you 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. | ||
| * #L% | ||
| */ | ||
| package co.elastic.logging; | ||
|
|
||
| import com.fasterxml.jackson.databind.JsonNode; | ||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import org.junit.jupiter.api.Test; | ||
|
|
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| import java.io.IOException; | ||
| import java.io.PrintWriter; | ||
| import java.io.StringWriter; | ||
| import java.util.stream.Collectors; | ||
| import java.util.stream.StreamSupport; | ||
|
|
||
| import static org.assertj.core.api.Assertions.assertThat; | ||
|
|
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| class EcsJsonSerializerTest { | ||
|
|
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| @Test | ||
| void serializeExceptionAsString() throws IOException { | ||
| Exception exception = new Exception("foo"); | ||
| StringBuilder jsonBuilder = new StringBuilder(); | ||
| jsonBuilder.append('{'); | ||
| EcsJsonSerializer.serializeException(jsonBuilder, exception, false); | ||
| jsonBuilder.append('}'); | ||
| JsonNode jsonNode = new ObjectMapper().readTree(jsonBuilder.toString()); | ||
|
|
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| assertThat(jsonNode.get("error.code").textValue()).isEqualTo(exception.getClass().getName()); | ||
| assertThat(jsonNode.get("error.message").textValue()).isEqualTo("foo"); | ||
| StringWriter stringWriter = new StringWriter(); | ||
| exception.printStackTrace(new PrintWriter(stringWriter)); | ||
| assertThat(jsonNode.get("error.stack_trace").textValue()).isEqualTo(stringWriter.toString()); | ||
| } | ||
|
|
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| @Test | ||
| void serializeExceptionAsArray() throws IOException { | ||
| Exception exception = new Exception("foo"); | ||
| StringBuilder jsonBuilder = new StringBuilder(); | ||
| jsonBuilder.append('{'); | ||
| EcsJsonSerializer.serializeException(jsonBuilder, exception, true); | ||
| jsonBuilder.append('}'); | ||
| System.out.println(jsonBuilder); | ||
| JsonNode jsonNode = new ObjectMapper().readTree(jsonBuilder.toString()); | ||
|
|
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| assertThat(jsonNode.get("error.code").textValue()).isEqualTo(exception.getClass().getName()); | ||
| assertThat(jsonNode.get("error.message").textValue()).isEqualTo("foo"); | ||
| StringWriter stringWriter = new StringWriter(); | ||
| exception.printStackTrace(new PrintWriter(stringWriter)); | ||
| assertThat(StreamSupport.stream(jsonNode.get("error.stack_trace").spliterator(), false) | ||
| .map(JsonNode::textValue) | ||
| .collect(Collectors.joining("\n", "", "\n"))) | ||
| .isEqualTo(stringWriter.toString()); | ||
| } | ||
|
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| @Test | ||
| void testRemoveIfEndsWith() { | ||
| assertRemoveIfEndsWith("", "foo", ""); | ||
| assertRemoveIfEndsWith("foobar", "foo", "foobar"); | ||
| assertRemoveIfEndsWith("barfoo", "foo", "bar"); | ||
| } | ||
|
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| private void assertRemoveIfEndsWith(String builder, String ending, String expected) { | ||
| StringBuilder sb = new StringBuilder(builder); | ||
| EcsJsonSerializer.removeIfEndsWith(sb, ending); | ||
| assertThat(sb.toString()).isEqualTo(expected); | ||
| } | ||
| } |
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