| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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 org.apache.uima.cas.impl; |
| |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| import org.apache.uima.UIMAFramework; |
| import org.apache.uima.jcas.JCas; |
| import org.apache.uima.resource.ResourceManager; |
| import org.apache.uima.util.CasCreationUtils; |
| import org.apache.uima.util.Level; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class FSClassRegistryTest { |
| @Before |
| public void setup() { |
| System.setProperty(FSClassRegistry.RECORD_JCAS_CLASSLOADERS, "true"); |
| |
| // Calls to FSClassRegistry will fail unless the static initializer block in TypeSystemImpl |
| // has previously been triggered! During normal UIMA operations, this should not happen, |
| // in particular because FSClassRegistry is not really part of the public UIMA API - |
| // but in the minimal setup here, we need to make sure TypeSystemImpl has been initialized |
| // first. |
| new TypeSystemImpl(); |
| } |
| |
| @Test |
| public void thatCreatingResourceManagersWithExtensionClassloaderDoesNotFillUpCache() |
| throws Exception { |
| int numberOfCachedClassloadersAtStart = FSClassRegistry.clToType2JCasSize(); |
| for (int i = 0; i < 5; i++) { |
| ResourceManager resMgr = UIMAFramework.newDefaultResourceManager(); |
| resMgr.setExtensionClassLoader(getClass().getClassLoader(), true); |
| JCas jcas = CasCreationUtils.createCas(null, null, null, resMgr).getJCas(); |
| |
| ClassLoader cl = jcas.getCasImpl().getJCasClassLoader(); |
| assertThat(cl.getResource(FSClassRegistryTest.class.getName().replace(".", "/") + ".class")) // |
| .isNotNull(); |
| |
| assertRegisteredClassLoaders(numberOfCachedClassloadersAtStart + 1, |
| "Only initial classloaders + the one owned by our ResourceManager"); |
| |
| resMgr.destroy(); |
| |
| assertRegisteredClassLoaders(numberOfCachedClassloadersAtStart, "Only initial classloaders"); |
| } |
| } |
| |
| @Test |
| public void thatCreatingResourceManagersWithExtensionPathDoesNotFillUpCache() throws Exception { |
| int numberOfCachedClassloadersAtStart = FSClassRegistry.clToType2JCasSize(); |
| for (int i = 0; i < 5; i++) { |
| ResourceManager resMgr = UIMAFramework.newDefaultResourceManager(); |
| resMgr.setExtensionClassPath("src/test/java", true); |
| JCas jcas = CasCreationUtils.createCas(null, null, null, resMgr).getJCas(); |
| |
| ClassLoader cl = jcas.getCasImpl().getJCasClassLoader(); |
| assertThat(cl.getResource(FSClassRegistryTest.class.getName().replace(".", "/") + ".java")) // |
| .isNotNull(); |
| |
| assertRegisteredClassLoaders(numberOfCachedClassloadersAtStart + 1, |
| "Only initial classloaders + the one owned by our ResourceManager"); |
| |
| resMgr.destroy(); |
| |
| assertRegisteredClassLoaders(numberOfCachedClassloadersAtStart, "Only initial classloaders"); |
| } |
| } |
| |
| private void assertRegisteredClassLoaders(int aExpectedCount, String aDescription) { |
| if (FSClassRegistry.clToType2JCasSize() > aExpectedCount) { |
| FSClassRegistry.log_registered_classloaders(Level.INFO); |
| } |
| |
| assertThat(FSClassRegistry.clToType2JCasSize()) // |
| .as(aDescription) // |
| .isEqualTo(aExpectedCount); |
| } |
| } |