Service Instrumentation test

gistfile1.java

package me.ambient.cachehours;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.test.ActivityInstrumentationTestCase2;
import android.support.v4.content.LocalBroadcastManager;
import android.test.ServiceTestCase;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

public class IntentServiceTest extends ServiceTestCase<MyIntentService> {
    protected CountDownLatch latch;
    protected LatchBroadcastReceiver receiver;
    protected List<Intent> receivedIntents;

    public static class LatchBroadcastReceiver extends BroadcastReceiver {
        protected CountDownLatch latch;
        private List<Intent> receivedIntents;

        public LatchBroadcastReceiver(CountDownLatch latch, List<Intent> receivedIntents) {
            this.latch = latch;
            this.receivedIntents = receivedIntents;
        }

        @Override
        public void onReceive(Context context, Intent intent) {
            receivedIntents.add(intent);
            latch.countDown();
        }

        public List<Intent> getReceivedIntents() {
            return receivedIntents;
        }
    }

    public IntentServiceTest() {
        super(MyIntentService.class);
    }

    protected MyIntentService service;

    @Override
    public void setUp() throws Exception {
        super.setUp();

        receivedIntents = new ArrayList<Intent>();
        latch = new CountDownLatch(1);
        receiver = new LatchBroadcastReceiver(latch, receivedIntents);
        LocalBroadcastManager.getInstance(getContext()).registerReceiver(
                receiver,
                new IntentFilter() {{
                    addAction("did the doge");
                }});
        // this will start the activity, so do it after registering the receiver
        service = getService();
        startService(new Intent("do the doge"));
    }

    public void testBroadcastsOnRun() throws InterruptedException {
        latch.await(1, TimeUnit.MINUTES);
        assertEquals(receivedIntents.size(), 1);
    }

    @Override
    protected void shutdownService() {
        try {
            super.shutdownService();
        } catch(Exception e) {
            e.printStackTrace();
        }
    }
}