Created a Robolectric unit test replacement for the NearbyActivity test.

Author: psh

app/build.gradle

@@ -58,6 +58,7 @@ dependencies {
 
     testImplementation 'junit:junit:4.12'
     testImplementation 'org.robolectric:robolectric:3.4'
+    testImplementation 'org.mockito:mockito-all:1.10.19'
 
     testImplementation 'com.squareup.okhttp3:mockwebserver:3.8.1'
     androidTestImplementation 'com.squareup.okhttp3:mockwebserver:3.8.1'

app/src/androidTest/java/fr/free/nrw/commons/NearbyActivityTest.java

@@ -29,6 +29,7 @@
 
 import javax.inject.Inject;
 
+import dagger.android.AndroidInjector;
 import dagger.android.DispatchingAndroidInjector;
 import dagger.android.HasActivityInjector;
 import fr.free.nrw.commons.auth.AccountUtil;
@@ -272,7 +273,7 @@ public void run(AccountManagerFuture<Boolean> accountManagerFuture) {
     }
 
     @Override
-    public DispatchingAndroidInjector<Activity> activityInjector() {
+    public AndroidInjector<Activity> activityInjector() {
         return dispatchingActivityInjector;
     }
 

app/src/main/java/fr/free/nrw/commons/CommonsApplication.java

@@ -338,7 +338,7 @@ private void setMapFragment() {
         FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction();
         Fragment fragment = new NearbyMapFragment();
         fragment.setArguments(bundle);
-        fragmentTransaction.replace(R.id.container, fragment);
+        fragmentTransaction.replace(R.id.container, fragment, fragment.getClass().getSimpleName());
         fragmentTransaction.commitAllowingStateLoss();
     }
 
@@ -349,7 +349,7 @@ private void setListFragment() {
         FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction();
         Fragment fragment = new NearbyListFragment();
         fragment.setArguments(bundle);
-        fragmentTransaction.replace(R.id.container, fragment);
+        fragmentTransaction.replace(R.id.container, fragment, fragment.getClass().getSimpleName());
         fragmentTransaction.commitAllowingStateLoss();
     }
 

app/src/main/java/fr/free/nrw/commons/nearby/NearbyActivity.java

@@ -9,7 +9,7 @@
 import static org.junit.Assert.assertThat;
 
 @RunWith(RobolectricTestRunner.class)
-@Config(constants = BuildConfig.class, sdk = 21)
+@Config(constants = BuildConfig.class, sdk = 21, application = TestCommonsApplication.class)
 public class MediaTest {
     @Test
     public void displayTitleShouldStripExtension() {

app/src/test/java/fr/free/nrw/commons/MediaTest.java

@@ -18,7 +18,7 @@
 import static org.junit.Assert.assertThat;
 
 @RunWith(RobolectricTestRunner.class)
-@Config(constants = BuildConfig.class, sdk = 21)
+@Config(constants = BuildConfig.class, sdk = 21, application = TestCommonsApplication.class)
 public class NearbyControllerTest {
 
     @Test

app/src/test/java/fr/free/nrw/commons/NearbyControllerTest.java

@@ -11,7 +11,7 @@
 import static org.junit.Assert.assertThat;
 
 @RunWith(RobolectricTestRunner.class)
-@Config(constants = BuildConfig.class, sdk = 21)
+@Config(constants = BuildConfig.class, sdk = 21, application = TestCommonsApplication.class)
 public class PageTitleTest {
     @Test
     public void displayTextShouldNotBeUnderscored() {

app/src/test/java/fr/free/nrw/commons/PageTitleTest.java

@@ -1,12 +1,40 @@
 package fr.free.nrw.commons;
 
+import android.app.Activity;
+
 import com.squareup.leakcanary.RefWatcher;
 
-// This class is automatically discovered by Robolectric
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import dagger.android.AndroidInjector;
+import fr.free.nrw.commons.nearby.NearbyPlaces;
+
 public class TestCommonsApplication extends CommonsApplication {
+    @Mock
+    private AndroidInjector<Activity> mockInjector;
+    @Mock
+    private NearbyPlaces mockNearbyPlaces;
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        MockitoAnnotations.initMocks(this);
+    }
+
     @Override
     protected RefWatcher setupLeakCanary() {
         // No leakcanary in unit tests.
         return RefWatcher.DISABLED;
     }
+
+    @Override
+    public AndroidInjector<Activity> activityInjector() {
+        return mockInjector;
+    }
+
+    @Override
+    public synchronized NearbyPlaces getNearbyPlaces() {
+        return mockNearbyPlaces;
+    }
 }

app/src/test/java/fr/free/nrw/commons/TestCommonsApplication.java

@@ -17,6 +17,7 @@
 import java.util.Set;
 
 import fr.free.nrw.commons.BuildConfig;
+import fr.free.nrw.commons.TestCommonsApplication;
 import io.reactivex.observers.TestObserver;
 import okhttp3.HttpUrl;
 import okhttp3.mockwebserver.MockResponse;
@@ -28,7 +29,7 @@
 import static org.junit.Assert.assertTrue;
 
 @RunWith(RobolectricTestRunner.class)
-@Config(constants = BuildConfig.class, sdk = 21)
+@Config(constants = BuildConfig.class, sdk = 21, application = TestCommonsApplication.class)
 public class ApacheHttpClientMediaWikiApiTest {
 
     private ApacheHttpClientMediaWikiApi testObject;

app/src/test/java/fr/free/nrw/commons/mwapi/ApacheHttpClientMediaWikiApiTest.java

@@ -0,0 +1,59 @@
+package fr.free.nrw.commons.nearby;
+
+import android.app.Activity;
+import android.support.v4.app.Fragment;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.Robolectric;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.android.controller.ActivityController;
+import org.robolectric.annotation.Config;
+
+import dagger.android.AndroidInjector;
+import fr.free.nrw.commons.BuildConfig;
+import fr.free.nrw.commons.TestCommonsApplication;
+import fr.free.nrw.commons.location.LatLng;
+import fr.free.nrw.commons.location.LocationServiceManager;
+
+import static junit.framework.Assert.assertNotNull;
+import static org.mockito.Matchers.isA;
+import static org.mockito.Mockito.when;
+
+@RunWith(RobolectricTestRunner.class)
+@Config(constants = BuildConfig.class, sdk = 21, application = TestCommonsApplication.class)
+public class NearbyActivityTest {
+
+    private static final LatLng ST_LOUIS_MO_LAT_LNG = new LatLng(38.627003, -90.199402, 0);
+
+    @Mock
+    LocationServiceManager mockLocationManager;
+
+    private ActivityController<NearbyActivity> activityController;
+    private NearbyActivity nearbyActivity;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+
+        AndroidInjector<Activity> injector = ((TestCommonsApplication) RuntimeEnvironment.application).activityInjector();
+        Mockito.doNothing().when(injector).inject(isA(NearbyActivity.class));
+        when(mockLocationManager.getLastLocation()).thenReturn(ST_LOUIS_MO_LAT_LNG);
+
+        activityController = Robolectric.buildActivity(NearbyActivity.class);
+        nearbyActivity = activityController.get();
+        nearbyActivity.locationManager = mockLocationManager;
+    }
+
+    @Test
+    public void activityLaunchesAndShowsList() {
+        activityController.create().resume().visible();
+        assertNotNull(nearbyActivity.getSupportFragmentManager().findFragmentByTag("NearbyListFragment"));
+    }
+
+}

app/src/test/java/fr/free/nrw/commons/nearby/NearbyActivityTest.java

@@ -20,13 +20,14 @@
 
 import fr.free.nrw.commons.BuildConfig;
 import fr.free.nrw.commons.R;
+import fr.free.nrw.commons.TestCommonsApplication;
 import fr.free.nrw.commons.location.LatLng;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 
 @RunWith(RobolectricTestRunner.class)
-@Config(constants = BuildConfig.class, sdk = 21)
+@Config(constants = BuildConfig.class, sdk = 21, application = TestCommonsApplication.class)
 public class NearbyAdapterFactoryTest {
 
     private static final Place PLACE = new Place("name", Place.Description.AIRPORT,