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package pl.edu.mimuw.cloudatlas.agent;
import org.junit.Test;
import pl.edu.mimuw.cloudatlas.agent.messages.AgentMessage;
import pl.edu.mimuw.cloudatlas.agent.modules.Module;
import java.util.ArrayList;
import java.util.HashMap;
import static org.junit.Assert.assertEquals;
public class EventBusTest {
public abstract class MessageCounterModule extends Module {
public int counter = 0;
MessageCounterModule(AgentMessage.AgentModule moduleType) {
super(moduleType);
}
}
public HashMap<AgentMessage.AgentModule, Module> initializeTwoModules() {
HashMap<AgentMessage.AgentModule, Module> modules = new HashMap<AgentMessage.AgentModule, Module>();
modules.put(AgentMessage.AgentModule.RMI, new MessageCounterModule(AgentMessage.AgentModule.RMI) {
@Override
public void handle(AgentMessage event) throws InterruptedException {
System.out.println("Module 1 handle called");
sendMessage(new AgentMessage("1", AgentMessage.AgentModule.UDP));
counter ++;
}
});
modules.put(AgentMessage.AgentModule.UDP, new MessageCounterModule(AgentMessage.AgentModule.UDP) {
@Override
public void handle(AgentMessage event) {
System.out.println("Module 2 handle called");
counter++;
}
});
return modules;
}
public HashMap<AgentMessage.AgentModule, Module> initializeModule() {
HashMap<AgentMessage.AgentModule, Module> modules = new HashMap<AgentMessage.AgentModule, Module>();
modules.put(AgentMessage.AgentModule.RMI, new MessageCounterModule(AgentMessage.AgentModule.RMI) {
@Override
public void handle(AgentMessage event) {
System.out.println("Module 1 handle called");
counter++;
}
});
return modules;
}
@Test
public void messageModule() throws InterruptedException {
HashMap<AgentMessage.AgentModule, Module> modules = initializeModule();
HashMap<AgentMessage.AgentModule, Executor> executors = Agent.initializeExecutors(modules);
ArrayList<Thread> executorThreads = Agent.initializeExecutorThreads(executors);
EventBus eventBus = new EventBus(executors);
Thread eventBusThread = new Thread(eventBus);
eventBusThread.start();
eventBus.addMessage(new AgentMessage("0", AgentMessage.AgentModule.RMI));
Thread.sleep(1000);
eventBusThread.interrupt();
Agent.closeExecutors(executorThreads);
assertEquals(1, ((MessageCounterModule) modules.get(AgentMessage.AgentModule.RMI)).counter);
}
@Test
public void messagingBetweenModules() throws InterruptedException {
HashMap<AgentMessage.AgentModule, Module> modules = initializeTwoModules();
HashMap<AgentMessage.AgentModule, Executor> executors = Agent.initializeExecutors(modules);
ArrayList<Thread> executorThreads = Agent.initializeExecutorThreads(executors);
EventBus eventBus = new EventBus(executors);
Thread eventBusThread = new Thread(eventBus);
eventBusThread.start();
eventBus.addMessage(new AgentMessage(
"0",
AgentMessage.AgentModule.RMI,
System.currentTimeMillis() / 1000L));
Thread.sleep(1000);
eventBusThread.interrupt();
Agent.closeExecutors(executorThreads);
assertEquals(1, ((MessageCounterModule) modules.get(AgentMessage.AgentModule.RMI)).counter);
assertEquals(1, ((MessageCounterModule) modules.get(AgentMessage.AgentModule.UDP)).counter);
}
}
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