Merge pull request #67 from m-chrzan/event_bus

Event bus

2 files changed, 101 insertions, 3 deletions

diff --git a/src/test/java/pl/edu/mimuw/cloudatlas/agent/EventBusTest.java b/src/test/java/pl/edu/mimuw/cloudatlas/agent/EventBusTest.java
new file mode 100644
index 0000000..fd7c244
--- /dev/null
+++ b/src/test/java/pl/edu/mimuw/cloudatlas/agent/EventBusTest.java
@@ -0,0 +1,93 @@
+package pl.edu.mimuw.cloudatlas.agent;
+
+import org.junit.Test;
+import pl.edu.mimuw.cloudatlas.agent.message.AgentMessage;
+
+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);
+    }
+}
diff --git a/src/test/java/pl/edu/mimuw/cloudatlas/agent/ExecutorTest.java b/src/test/java/pl/edu/mimuw/cloudatlas/agent/ExecutorTest.java
index 445a5b4..2a6ef49 100644
--- a/src/test/java/pl/edu/mimuw/cloudatlas/agent/ExecutorTest.java
+++ b/src/test/java/pl/edu/mimuw/cloudatlas/agent/ExecutorTest.java
@@ -9,6 +9,11 @@ import pl.edu.mimuw.cloudatlas.agent.message.AgentMessage.AgentModule;
 public class ExecutorTest {
     public class MessageCounterModule extends Module {
         public int counter = 0;
+
+        MessageCounterModule(AgentModule moduleType) {
+            super(moduleType);
+        }
+
         public void handle(AgentMessage m) {
             counter++;
         }
@@ -16,7 +21,7 @@ public class ExecutorTest {
 
     @Test
     public void testDoesntExecuteWhenNoMessages() throws Exception {
-        MessageCounterModule module = new MessageCounterModule();
+        MessageCounterModule module = new MessageCounterModule(AgentModule.UDP);
         Executor executor = new Executor(module);
         Thread thread = new Thread(executor);
         thread.start();
@@ -27,7 +32,7 @@ public class ExecutorTest {
 
     @Test
     public void testExecutesHandlerOnce() throws Exception {
-        MessageCounterModule module = new MessageCounterModule();
+        MessageCounterModule module = new MessageCounterModule(AgentModule.UDP);
         Executor executor = new Executor(module);
         executor.addMessage(new AgentMessage("", AgentModule.UDP, 0) {});
         Thread thread = new Thread(executor);
@@ -39,7 +44,7 @@ public class ExecutorTest {
 
     @Test
     public void testExecutesHandlerMultipleTimes() throws Exception {
-        MessageCounterModule module = new MessageCounterModule();
+        MessageCounterModule module = new MessageCounterModule(AgentModule.UDP);
         Executor executor = new Executor(module);
         executor.addMessage(new AgentMessage("", AgentModule.UDP, 0) {});
         executor.addMessage(new AgentMessage("", AgentModule.UDP, 0) {});