From 69b86b345f755fe063ebbed816594f501c3442c8 Mon Sep 17 00:00:00 2001
From: Andrei Bechet <andrei.bechet@esrlabs.com>
Date: Mon, 15 Jun 2015 18:38:22 +0200
Subject: [PATCH] 1st test for the location listener

---
 .../java/esrlabs/com/geofence/MyService.java  | 32 ++++++++++-
 .../esrlabs.com.geofence/MyServiceTest.java   | 53 +++++++++++++++----
 2 files changed, 74 insertions(+), 11 deletions(-)

diff --git a/2015/android/Geofence/app/src/main/java/esrlabs/com/geofence/MyService.java b/2015/android/Geofence/app/src/main/java/esrlabs/com/geofence/MyService.java
index 00d5074..566f842 100644
--- a/2015/android/Geofence/app/src/main/java/esrlabs/com/geofence/MyService.java
+++ b/2015/android/Geofence/app/src/main/java/esrlabs/com/geofence/MyService.java
@@ -1,24 +1,52 @@
 package esrlabs.com.geofence;
 
 import android.app.Service;
+import android.content.Context;
 import android.content.Intent;
 import android.location.Location;
 import android.location.LocationListener;
+import android.location.LocationManager;
 import android.os.Bundle;
 import android.os.IBinder;
 
+import java.util.List;
+
 public class MyService extends Service implements LocationListener {
+    public static final String CAN_PROVIDER = "CanLocationProvider";
+
+    private LocationManager locationManager;
     private Location latestLocation;
 
-    public MyService() {
+    public MyService(LocationManager locationManager) {
+        this.locationManager = locationManager;
+    }
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+
+        if (locationManager == null) {
+            locationManager = (LocationManager)
+                    this.getSystemService(Context.LOCATION_SERVICE);
+        }
+
+        initLocationListener();
     }
 
     @Override
     public IBinder onBind(Intent intent) {
-        // TODO: Return the communication channel to the service.
         throw new UnsupportedOperationException("Not yet implemented");
     }
 
+    private void initLocationListener() {
+        List<String> allProviders = locationManager.getAllProviders();
+        for (String provider : allProviders) {
+            locationManager.requestLocationUpdates(provider, 0, 0, this);
+        }
+
+        locationManager.requestLocationUpdates(CAN_PROVIDER, 0, 0, this);
+    }
+
     @Override
     public void onLocationChanged(Location location) {
         latestLocation = location;
diff --git a/2015/android/Geofence/app/src/test/java/esrlabs.com.geofence/MyServiceTest.java b/2015/android/Geofence/app/src/test/java/esrlabs.com.geofence/MyServiceTest.java
index 7f4079a..df94a08 100644
--- a/2015/android/Geofence/app/src/test/java/esrlabs.com.geofence/MyServiceTest.java
+++ b/2015/android/Geofence/app/src/test/java/esrlabs.com.geofence/MyServiceTest.java
@@ -1,33 +1,68 @@
 package esrlabs.com.geofence;
 
+import static esrlabs.com.geofence.MyService.CAN_PROVIDER;
+
+import android.content.Context;
+import android.location.Location;
+import android.location.LocationManager;
 import android.test.ServiceTestCase;
 
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
-
-import static org.junit.Assert.*;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricGradleTestRunner;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.Shadows;
+import org.robolectric.annotation.Config;
+import org.robolectric.shadows.ShadowLocationManager;
 
 
+@RunWith(RobolectricGradleTestRunner.class)
+@Config(constants = BuildConfig.class, emulateSdk = 17)
 public class MyServiceTest extends ServiceTestCase {
 
+    Location someLocation = location(CAN_PROVIDER, 12.0, 20.0);
 
     public MyServiceTest() {
         super(MyService.class);
     }
 
     @Before
-    public void setUp() throws Exception {
-
-    }
+    public void setUp() throws Exception { }
 
     @After
-    public void tearDown() throws Exception {
-
-    }
+    public void tearDown() throws Exception { }
 
     @Test
     public void testLatestLocation() throws Exception {
-        assert(false);
+        LocationManager locationManager = (LocationManager)
+                RuntimeEnvironment.application.getSystemService(Context.LOCATION_SERVICE);
+        ShadowLocationManager shadowLocationManager = Shadows.shadowOf(locationManager);
+
+        MyService mainService = new MyService(locationManager);
+        mainService.onCreate();
+        shadowLocationManager.simulateLocation(location(CAN_PROVIDER,
+                someLocation.getLatitude(), someLocation.getLongitude()));
+
+        assertTrue(areTheLocationsEqual(someLocation, mainService.latestLocation()));
+    }
+
+    private boolean areTheLocationsEqual(Location first, Location second) {
+        if ( (first.getAccuracy() == second.getAccuracy()) &&
+                (first.getLatitude() == second.getLatitude()) &&
+                (first.getLongitude() == second.getLongitude()) &&
+                (first.getAltitude() == second.getAltitude()) ) {
+            return true;
+        }
+        return false;
+    }
+
+    private Location location(String provider, double latitude, double longitude) {
+        Location location = new Location(provider);
+        location.setLatitude(latitude);
+        location.setLongitude(longitude);
+        location.setTime(System.currentTimeMillis());
+        return location;
     }
 }
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