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Set context CL for reliable weblogic connection (#3870)
* set context CL for weblogic
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80
apm-agent-core/src/test/java/co/elastic/apm/agent/util/UrlConnectionUtilsTest.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,80 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
| package co.elastic.apm.agent.util; | ||
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| import org.junit.jupiter.api.AfterEach; | ||
| import org.junit.jupiter.api.BeforeEach; | ||
| import org.junit.jupiter.api.Test; | ||
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| import javax.annotation.Nullable; | ||
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| import static org.assertj.core.api.Assertions.assertThat; | ||
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| class UrlConnectionUtilsTest { | ||
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| @BeforeEach | ||
| void beforeEach() { | ||
| Thread.currentThread().setContextClassLoader(null); | ||
| } | ||
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| @AfterEach | ||
| void afterEach() { | ||
| Thread.currentThread().setContextClassLoader(null); | ||
| } | ||
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| @Test | ||
| void threadContextClassLoader_noop() { | ||
| ClassLoader cl = UrlConnectionUtils.class.getClassLoader(); | ||
| testContextClassLoader(null, null, false); | ||
| testContextClassLoader(cl, cl, false); | ||
| } | ||
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| @Test | ||
| void threadContextClassLoader_override() { | ||
| ClassLoader cl = UrlConnectionUtils.class.getClassLoader(); | ||
| testContextClassLoader(null, cl, true); | ||
| testContextClassLoader(cl, cl, true); | ||
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| DummyClassLoader overrideCl = new DummyClassLoader(); | ||
| testContextClassLoader(null, overrideCl, true); | ||
| testContextClassLoader(cl, overrideCl, true); | ||
| } | ||
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| private void testContextClassLoader(@Nullable ClassLoader initialClassLoader, @Nullable ClassLoader scopeClassLoader, boolean override) { | ||
| Thread.currentThread().setContextClassLoader(initialClassLoader); | ||
| checkContextClassLoader(initialClassLoader); | ||
| try (UrlConnectionUtils.ContextClassloaderScope scope = UrlConnectionUtils.withContextClassloader(scopeClassLoader, override)) { | ||
| checkContextClassLoader(scopeClassLoader); | ||
| } | ||
| checkContextClassLoader(initialClassLoader); | ||
| } | ||
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| private void checkContextClassLoader(@Nullable ClassLoader expected) { | ||
| ClassLoader threadContextCl = Thread.currentThread().getContextClassLoader(); | ||
| if (expected == null) { | ||
| assertThat(threadContextCl).isNull(); | ||
| } else { | ||
| assertThat(threadContextCl).isSameAs(expected); | ||
| } | ||
| } | ||
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| private static class DummyClassLoader extends ClassLoader { | ||
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| } | ||
| } |
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