| /** |
| * 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.bookkeeper.mledger.offload; |
| |
| import org.mockito.Mockito; |
| import org.powermock.api.mockito.PowerMockito; |
| import org.powermock.core.classloader.annotations.PowerMockIgnore; |
| import org.powermock.core.classloader.annotations.PrepareForTest; |
| import org.testng.IObjectFactory; |
| import org.testng.annotations.ObjectFactory; |
| import org.testng.annotations.Test; |
| |
| import static org.mockito.ArgumentMatchers.eq; |
| import static org.testng.Assert.assertSame; |
| |
| @PrepareForTest({OffloaderUtils.class}) |
| @PowerMockIgnore({"org.apache.logging.log4j.*", "org.apache.pulsar.common.nar.*"}) |
| public class OffloadersCacheTest { |
| |
| // Necessary to make PowerMockito.mockStatic work with TestNG. |
| @ObjectFactory |
| public IObjectFactory getObjectFactory() { |
| return new org.powermock.modules.testng.PowerMockObjectFactory(); |
| } |
| |
| @Test |
| public void testLoadsOnlyOnce() throws Exception { |
| Offloaders expectedOffloaders = new Offloaders(); |
| |
| PowerMockito.mockStatic(OffloaderUtils.class); |
| PowerMockito.when(OffloaderUtils.searchForOffloaders(eq("./offloaders"), eq("/tmp"))) |
| .thenReturn(expectedOffloaders); |
| |
| OffloadersCache cache = new OffloadersCache(); |
| |
| // Call a first time to load the offloader |
| Offloaders offloaders1 = cache.getOrLoadOffloaders("./offloaders", "/tmp"); |
| |
| assertSame(offloaders1, expectedOffloaders, "The offloaders should be the mocked one."); |
| |
| // Call a second time to get the stored offlaoder |
| Offloaders offloaders2 = cache.getOrLoadOffloaders("./offloaders", "/tmp"); |
| |
| assertSame(offloaders2, expectedOffloaders, "The offloaders should be the mocked one."); |
| } |
| } |