| /* |
| * 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.karaf.decanter.collector.system; |
| |
| import java.util.ArrayList; |
| import java.util.Dictionary; |
| import java.util.Hashtable; |
| import java.util.List; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.service.component.ComponentContext; |
| import org.osgi.service.component.ComponentInstance; |
| import org.osgi.service.event.Event; |
| import org.osgi.service.event.EventAdmin; |
| |
| public class SystemCollectorTest { |
| |
| private ComponentContext componentContext; |
| private EventAdminStub eventAdmin; |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void testBadConfiguration() { |
| SystemCollector collector = new SystemCollector(); |
| this.eventAdmin = new EventAdminStub(); |
| collector.dispatcher = eventAdmin; |
| componentContext = new ComponentContextStub(); |
| componentContext.getProperties().put("thread.number", "A"); |
| componentContext.getProperties().put("command.df1", "df -h"); |
| collector.activate(componentContext); |
| } |
| |
| @Test |
| public void testWithThreads() throws Exception { |
| SystemCollector collector = new SystemCollector(); |
| this.eventAdmin = new EventAdminStub(); |
| collector.dispatcher = eventAdmin; |
| componentContext = new ComponentContextStub(); |
| componentContext.getProperties().put("thread.number", "5"); |
| componentContext.getProperties().put("command.df1", "df -h"); |
| componentContext.getProperties().put("command.df2", "df -h"); |
| componentContext.getProperties().put("command.df3", "df -h"); |
| componentContext.getProperties().put("command.df4", "df -h"); |
| componentContext.getProperties().put("command.df5", "df -h"); |
| collector.activate(componentContext); |
| collector.run(); |
| waitUntilEventCountHandled(5); |
| Assert.assertEquals(5, eventAdmin.getPostEvents().size()); |
| } |
| |
| @Test |
| public void testBulkWithThreads() throws Exception { |
| SystemCollector collector = new SystemCollector(); |
| this.eventAdmin = new EventAdminStub(); |
| collector.dispatcher = eventAdmin; |
| componentContext = new ComponentContextStub(); |
| componentContext.getProperties().put("thread.number", "5"); |
| for (int cpt = 0; cpt < 1000; cpt++) { |
| componentContext.getProperties().put("command.df" + cpt, "df -h"); |
| } |
| collector.activate(componentContext); |
| collector.run(); |
| waitUntilEventCountHandled(1000); |
| Assert.assertEquals(1000, eventAdmin.getPostEvents().size()); |
| } |
| |
| @After |
| public void tearDown() { |
| this.eventAdmin.reset(); |
| } |
| |
| private void waitUntilEventCountHandled(int eventCount) throws InterruptedException { |
| long timeout = 20000L; |
| long start = System.currentTimeMillis(); |
| boolean hasTimeoutReached = false; |
| do { |
| hasTimeoutReached = ((System.currentTimeMillis() - start) > timeout); |
| Thread.sleep(10L); |
| } while (eventAdmin.getPostEvents().size() < eventCount && hasTimeoutReached == false); |
| } |
| |
| /** |
| * Stub used only for this unit test |
| */ |
| private static class ComponentContextStub implements ComponentContext { |
| |
| private Dictionary properties = new Hashtable<>(); |
| |
| @Override |
| public Dictionary getProperties() { |
| return properties; |
| } |
| |
| @Override |
| public Object locateService(String name) { |
| throw new NoSuchMethodError("Unimplemented method"); |
| } |
| |
| @Override |
| public Object locateService(String name, ServiceReference reference) { |
| throw new NoSuchMethodError("Unimplemented method"); |
| } |
| |
| @Override |
| public Object[] locateServices(String name) { |
| throw new NoSuchMethodError("Unimplemented method"); |
| } |
| |
| @Override |
| public BundleContext getBundleContext() { |
| throw new NoSuchMethodError("Unimplemented method"); |
| } |
| |
| @Override |
| public Bundle getUsingBundle() { |
| throw new NoSuchMethodError("Unimplemented method"); |
| } |
| |
| @Override |
| public ComponentInstance getComponentInstance() { |
| throw new NoSuchMethodError("Unimplemented method"); |
| } |
| |
| @Override |
| public void enableComponent(String name) { |
| throw new NoSuchMethodError("Unimplemented method"); |
| } |
| |
| @Override |
| public void disableComponent(String name) { |
| throw new NoSuchMethodError("Unimplemented method"); |
| } |
| |
| @Override |
| public ServiceReference getServiceReference() { |
| throw new NoSuchMethodError("Unimplemented method"); |
| } |
| } |
| |
| private static class EventAdminStub implements EventAdmin { |
| private List<Event> postEvents = new ArrayList<>(); |
| private List<Event> sendEvents = new ArrayList<>(); |
| |
| @Override |
| public void postEvent(Event event) { |
| postEvents.add(event); |
| } |
| |
| @Override |
| public void sendEvent(Event event) { |
| sendEvents.add(event); |
| } |
| |
| public List<Event> getPostEvents() { |
| return postEvents; |
| } |
| |
| public List<Event> getSendEvents() { |
| return sendEvents; |
| } |
| |
| public void reset() { |
| postEvents.clear(); |
| sendEvents.clear(); |
| } |
| |
| } |
| |
| } |