External view test

CYNGNOS-3042

Change-Id: Ibdd11b631c6deea3eb030ffb1ba55b6ca5fe022b

7 files changed, 1035 insertions, 2 deletions

diff --git a/tests/Android.mk b/tests/Android.mk
index 105f5d0..5046bc4 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -20,7 +20,8 @@ LOCAL_MODULE_TAGS := tests
 
 LOCAL_STATIC_JAVA_LIBRARIES := \
     org.cyanogenmod.platform.sdk \
-    android-support-test
+    android-support-test \
+    mockito-target
 
 LOCAL_DEX_PREOPT := false
 
@@ -40,7 +41,8 @@ LOCAL_MODULE_TAGS := tests
 
 LOCAL_STATIC_JAVA_LIBRARIES := \
     org.cyanogenmod.platform.sdk \
-    android-support-test
+    android-support-test \
+    mockito-target
 
 LOCAL_DEX_PREOPT := false
 
diff --git a/tests/proguard.flags b/tests/proguard.flags
index d9e855c..fd08027 100644
--- a/tests/proguard.flags
+++ b/tests/proguard.flags
@@ -43,6 +43,12 @@
 -dontwarn junit.**
 -dontwarn org.junit.**
 
+# keep mockito methods
+-keep class org.mockito.** { *; }
+-keep interface org.mockito.** { *; }
+-keep class com.google.dexmaker.** { *; }
+-keep interface com.google.dexmaker.** { *; }
+
 # Always process
 -forceprocessing
 
diff --git a/tests/src/org/cyanogenmod/tests/common/MockIBinderStubForInterface.java b/tests/src/org/cyanogenmod/tests/common/MockIBinderStubForInterface.java
new file mode 100644
index 0000000..e2f7702
--- /dev/null
+++ b/tests/src/org/cyanogenmod/tests/common/MockIBinderStubForInterface.java
@@ -0,0 +1,59 @@
+/**
+  * Copyright (c) 2016, The CyanogenMod Project
+  *
+  * Licensed under the Apache License, Version 2.0 (the "License");
+  * you may not use this file except in compliance with the License.
+  * You may obtain a copy of the License at
+  *
+  *     http://www.apache.org/licenses/LICENSE-2.0
+  *
+  * Unless required by applicable law or agreed to in writing, software
+  * distributed under the License is distributed on an "AS IS" BASIS,
+  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  * See the License for the specific language governing permissions and
+  * limitations under the License.
+  */
+
+package org.cyanogenmod.tests.common;
+
+import android.os.IBinder;
+import android.os.IInterface;
+import android.os.RemoteCallbackList;
+import org.junit.Assert;
+import org.mockito.Mockito;
+
+import java.lang.reflect.Field;
+
+/**
+ * Helper class to mock stubs for IInterfaces
+ * Ensures that when querying the local interface
+ * we return the instance itself as to preserve the mock instance
+ */
+public final class MockIBinderStubForInterface {
+    private MockIBinderStubForInterface() {}
+
+    private static <T extends IBinder> String getStubDescriptor(Class<T> stubClass) {
+        String descriptor = null;
+        try {
+            Field f = stubClass.getDeclaredField("DESCRIPTOR");
+            f.setAccessible(true);
+            descriptor = (String) f.get(stubClass);
+        } catch (NoSuchFieldException | IllegalAccessException e) {
+            Assert.fail(e.getMessage());
+        }
+        return descriptor;
+    }
+
+    public static <T extends IBinder> T getMockInterface(Class<T> stub) {
+        String descriptor = getStubDescriptor(stub);
+        T mockInterface = Mockito.mock(stub);
+        Mockito.doReturn(mockInterface)
+                .when(mockInterface)
+                .queryLocalInterface(descriptor == null ?
+                        Mockito.anyString() : Mockito.eq(descriptor));
+        Mockito.doReturn(Mockito.mock(IBinder.class))
+                .when((IInterface) mockInterface)
+                .asBinder();
+        return mockInterface;
+    }
+}
diff --git a/tests/src/org/cyanogenmod/tests/common/ThreadServiceTestCase.java b/tests/src/org/cyanogenmod/tests/common/ThreadServiceTestCase.java
new file mode 100644
index 0000000..4404377
--- /dev/null
+++ b/tests/src/org/cyanogenmod/tests/common/ThreadServiceTestCase.java
@@ -0,0 +1,200 @@
+package org.cyanogenmod.tests.common;
+
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.Semaphore;
+import java.util.concurrent.TimeUnit;
+
+import android.app.Service;
+import android.content.Intent;
+import android.os.Handler;
+import android.os.HandlerThread;
+import android.os.IBinder;
+import android.os.Looper;
+import android.test.InstrumentationTestCase;
+import android.test.ServiceTestCase;
+
+/**
+ * Tests a service in its own Thread.
+ *
+ *
+ * <p>
+ * The {@link ServiceTestCase} class creates the service in the same thread the
+ * test is running. In consequence Handlers and other constructs that depend on
+ * the fact that the service methods are always run on the <em>main thread</em>
+ * won't work.
+ * </p>
+ *
+ * <p>
+ * To circumvent this, this test class creates a {@link HandlerThread} on setup
+ * to simulate the main tread and provides helper constructs to ease the
+ * communication between the Service and the test class :
+ * </p>
+ *
+ * <ul>
+ * <li>The {@link #runOnServiceThread(Runnable)} methods allows to run code on
+ * the service pseudo-main thread.</li>
+ * <li>The {@link #startService(boolean, ServiceRunnable)} mehod allows starting
+ * the service in its own thread with some additional initialization code.</li>
+ * </ul>
+ *
+ *
+ * @author Antoine Martin
+ *
+ */
+public abstract class ThreadServiceTestCase<T extends Service> extends ServiceTestCase<T> {
+
+    /** Typical maximum wait time for something to happen on the service */
+    public static final long WAIT_TIME = 5 * 1000;
+
+    /*
+     * This class provides final mutable values through indirection
+     */
+    static class Holder<H> {
+        H value;
+    }
+
+    protected Handler serviceHandler;
+    protected Looper serviceLooper;
+    /*
+     * Got to catch this again because of damn package visibility of
+     * mServiceClass in base class.
+     */
+    protected Class<T> serviceClass;
+
+    public ThreadServiceTestCase(Class<T> serviceClass) {
+        super(serviceClass);
+        this.serviceClass = serviceClass;
+    }
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        // Setup service thread
+        HandlerThread serviceThread = new HandlerThread("[" + serviceClass.getSimpleName() + "Thread]");
+        serviceThread.start();
+        serviceLooper = serviceThread.getLooper();
+        serviceHandler = new Handler(serviceLooper);
+    }
+
+    @Override
+    public void testServiceTestCaseSetUpProperly() throws Exception {
+    }
+
+    @Override
+    protected void tearDown() throws Exception {
+        super.tearDown();
+        // teardown service thread
+        if (serviceLooper != null)
+            serviceLooper.quit();
+        serviceHandler = null;
+    }
+
+    /**
+     * Runs the specified runnable on the service tread and waits for its
+     * completion.
+     *
+     * @see InstrumentationTestCase#runTestOnUiThread(Runnable)
+     * @param r
+     *            The runnable to run on the pseudo-main thread.
+     */
+    protected void runOnServiceThread(final Runnable r) {
+        final CountDownLatch serviceSignal = new CountDownLatch(1);
+        serviceHandler.post(new Runnable() {
+
+            @Override
+            public void run() {
+                r.run();
+                serviceSignal.countDown();
+            }
+        });
+
+        try {
+            serviceSignal.await();
+        } catch (InterruptedException ie) {
+            fail("The Service thread has been interrupted");
+        }
+    }
+
+    /**
+     * Runnable interface allowing service initialization personalization.
+     *
+     * @author Antoine Martin
+     *
+     */
+    protected interface ServiceRunnable {
+        public void run(Service service);
+    }
+
+    /**
+     * Initialize the service in its own thread and returns it.
+     *
+     * @param bound
+     *            if {@code true}, the service will be created as if it was
+     *            bound by a client. if {@code false}, it will be created by a
+     *            {@code startService} call.
+     * @param r
+     *            {@link ServiceRunnable} instance that will be called with the
+     *            created service.
+     * @return The created service.
+     */
+    protected T startService(final ServiceRunnable r) {
+        final Holder<T> serviceHolder = new Holder<T>();
+
+        // I want to create my service in its own 'Main thread'
+        // So it can use its handler
+        runOnServiceThread(new Runnable() {
+
+            @Override
+            public void run() {
+                T service = null;
+                startService(new Intent(getContext(), serviceClass));
+                service = getService();
+                if (r != null)
+                    r.run(service);
+                serviceHolder.value = service;
+            }
+        });
+
+        return serviceHolder.value;
+    }
+
+    protected IBinder bindService(final ServiceRunnable r) {
+        final Holder<IBinder> serviceHolder = new Holder<IBinder>();
+
+        // I want to create my service in its own 'Main thread'
+        // So it can use its handler
+        runOnServiceThread(new Runnable() {
+
+            @Override
+            public void run() {
+                T service = null;
+                IBinder binder = bindService(new Intent(getContext(), serviceClass));
+                service = getService();
+                if (r != null)
+                    r.run(service);
+                serviceHolder.value = binder;
+            }
+        });
+
+        return serviceHolder.value;
+    }
+
+    public static class ServiceSyncHelper {
+        // The semaphore will wakeup clients
+        protected final Semaphore semaphore = new Semaphore(0);
+
+        /**
+         * Waits for some response coming from the service.
+         *
+         * @param timeout
+         *            The maximum time to wait.
+         * @throws InterruptedException
+         *             if the Thread is interrupted or reaches the timeout.
+         */
+        public synchronized void waitListener(long timeout) throws InterruptedException {
+            if (!semaphore.tryAcquire(timeout, TimeUnit.MILLISECONDS))
+                throw new InterruptedException();
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/tests/src/org/cyanogenmod/tests/externalviews/ViewProviderService.java b/tests/src/org/cyanogenmod/tests/externalviews/ViewProviderService.java
new file mode 100644
index 0000000..7f0f8dd
--- /dev/null
+++ b/tests/src/org/cyanogenmod/tests/externalviews/ViewProviderService.java
@@ -0,0 +1,132 @@
+/**
+ * Copyright (c) 2016, The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.cyanogenmod.tests.externalviews.keyguardexternalviews;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Space;
+import cyanogenmod.externalviews.KeyguardExternalViewProviderService;
+import org.mockito.Mockito;
+
+public class ViewProviderService extends KeyguardExternalViewProviderService {
+    private ViewProvider mProvider;
+
+    public ViewProviderService() {}
+
+    @Override
+    public KeyguardExternalViewProviderService.Provider createExternalView(Bundle options) {
+        if (mProvider == null) {
+            mProvider = Mockito.spy(new ViewProvider(options));
+        }
+        return mProvider;
+    }
+
+    public ViewProvider getProvider() {
+        return mProvider;
+    }
+
+    public class ViewProvider extends KeyguardExternalViewProviderService.Provider {
+        private ViewProvider mTracker;
+        private View mView;
+
+        public ViewProvider(Bundle options) {
+            super(options);
+        }
+
+        public View getView() {
+            return mView;
+        }
+
+        public ViewProvider getTracker() {
+            return mTracker;
+        }
+
+        @Override
+        public View onCreateView() {
+            if (mTracker == null) {
+                mTracker = Mockito.mock(ViewProvider.class);
+            }
+            mTracker.onCreateView();
+            if (mView == null) {
+                mView = new Space(getBaseContext());
+            }
+            return mView;
+        }
+        @Override
+        public void onKeyguardShowing(boolean screenOn) {
+            mTracker.onKeyguardShowing(screenOn);
+        }
+        @Override
+        public void onKeyguardDismissed() {
+            mTracker.onKeyguardDismissed();
+        }
+        @Override
+        public void onBouncerShowing(boolean showing) {
+            mTracker.onBouncerShowing(showing);
+        }
+        @Override
+        public void onScreenTurnedOn() {
+            mTracker.onScreenTurnedOn();
+        }
+        @Override
+        public void onScreenTurnedOff() {
+            mTracker.onScreenTurnedOff();
+        }
+
+        @Override
+        protected void onAttach() {
+            mTracker.onAttach();
+        }
+
+        @Override
+        protected void onDetach() {
+            mTracker.onDetach();
+        }
+
+        @Override
+        protected void onLockscreenSlideOffsetChanged(float swipeProgress) {
+            mTracker.onLockscreenSlideOffsetChanged(swipeProgress);
+        }
+
+        public boolean requestDismissImpl() {
+            return requestDismiss();
+        }
+
+        public boolean requestDismissAndStartActivityImpl(Intent intent) {
+            return requestDismissAndStartActivity(intent);
+        }
+
+        public void setInteractivityImpl(boolean interactive) {
+            setInteractivity(interactive);
+        }
+
+        public void slideLockscreenInImpl() {
+            slideLockscreenIn();
+        }
+
+        public Bundle getOptionsImpl() {
+            return getOptions();
+        }
+
+        public void collapseNotificationPanelImpl() {
+            mTracker.collapseNotificationPanelImpl();
+            collapseNotificationPanel();
+        }
+    }
+};
\ No newline at end of file
diff --git a/tests/src/org/cyanogenmod/tests/externalviews/keyguardexternalviews/KeyguardExternalProviderTest.java b/tests/src/org/cyanogenmod/tests/externalviews/keyguardexternalviews/KeyguardExternalProviderTest.java
new file mode 100644
index 0000000..259d22d
--- /dev/null
+++ b/tests/src/org/cyanogenmod/tests/externalviews/keyguardexternalviews/KeyguardExternalProviderTest.java
@@ -0,0 +1,380 @@
+/**
+ * Copyright (c) 2015-2016, The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.cyanogenmod.tests.externalviews.keyguardexternalviews;
+
+import android.content.Context;
+import android.content.Intent;
+import android.graphics.PixelFormat;
+import android.graphics.Rect;
+import android.os.*;
+import android.test.ServiceTestCase;
+import android.view.*;
+import android.widget.Space;
+import android.widget.TextView;
+import cyanogenmod.externalviews.IExternalViewProviderFactory;
+import cyanogenmod.externalviews.IKeyguardExternalViewCallbacks;
+import cyanogenmod.externalviews.IKeyguardExternalViewProvider;
+import cyanogenmod.externalviews.KeyguardExternalViewProviderService;
+import org.cyanogenmod.tests.common.MockIBinderStubForInterface;
+import org.cyanogenmod.tests.common.ThreadServiceTestCase;
+import org.junit.Assert;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mockito;
+import org.mockito.invocation.InvocationOnMock;
+import org.mockito.stubbing.Answer;
+
+import java.lang.reflect.Field;
+
+public class KeyguardExternalProviderTest extends ThreadServiceTestCase<ViewProviderService> {
+    private WindowManager mWindowManagerMock;
+    private IExternalViewProviderFactory mProvider;
+
+    public KeyguardExternalProviderTest() {
+        super(ViewProviderService.class);
+    }
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+
+        IBinder bind = bindService((ServiceRunnable) null);
+        assert (bind != null);
+
+        mProvider = IExternalViewProviderFactory.Stub.asInterface(bind);
+        assert (mProvider != null);
+
+        final Bundle bundle = new Bundle();
+        IBinder bindView = mProvider.createExternalView(bundle);
+        IKeyguardExternalViewProvider view = IKeyguardExternalViewProvider.Stub.asInterface(bindView);
+        assert (view != null);
+
+        runOnServiceThread(new Runnable() {
+            @Override
+            public void run() {
+                Mockito.verify(getService(), Mockito.times(1))
+                        .createExternalView(Mockito.eq(bundle));
+                Mockito.verify(getService().getProvider().getTracker(), Mockito.times(1))
+                        .onCreateView();
+            }
+        });
+    }
+
+    @Override
+    protected void setupService() {
+        super.setupService();
+
+        // Update the service instance with our spy so we can track it
+        try {
+            Field f = ServiceTestCase.class.getDeclaredField("mService");
+            f.setAccessible(true);
+            ViewProviderService woot = ViewProviderService.class.newInstance();
+            ViewProviderService spy = Mockito.spy(woot);
+            f.set(this, spy);
+        } catch (Exception e) {
+            Assert.fail(e.getMessage());
+        }
+
+        // Setup mock context
+        Context context = Mockito.mock(Context.class, Mockito.CALLS_REAL_METHODS);
+        Mockito.doReturn(getContext().getApplicationInfo()).when(context).getApplicationInfo();
+        Mockito.doReturn(getContext().getResources()).when(context).getResources();
+        Mockito.doReturn(getContext().getTheme()).when(context).getTheme();
+        Mockito.doReturn(getContext().getPackageManager()).when(context).getPackageManager();
+        Mockito.doReturn(1).when(context).checkCallingOrSelfPermission(Mockito.anyString());
+        Mockito.doReturn(getContext().getMainLooper()).when(context).getMainLooper();
+
+        // Setup mock window manager
+        mWindowManagerMock = Mockito.mock(WindowManager.class);
+        WindowManager actualWindowManager = (WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE);
+        Mockito.doReturn(mWindowManagerMock).when(context).getSystemService(Mockito.eq(Context.WINDOW_SERVICE));
+        Mockito.doReturn(actualWindowManager.getDefaultDisplay()).when(mWindowManagerMock).getDefaultDisplay();
+        Mockito.doReturn(getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE))
+                .when(context).getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+
+        // Attach our mock context to service
+        getService().attach(
+                context,
+                null,               // ActivityThread not actually used in Service
+                ViewProviderService.class.getName(),
+                null,               // token not needed when not talking with the activity manager
+                getApplication(),
+                null                // mocked services don't talk with the activity manager
+        );
+    }
+
+    public void testCallbacks() throws Exception {
+        IBinder bind = getService().onBind(new Intent());
+        final IExternalViewProviderFactory provider = IExternalViewProviderFactory.Stub.asInterface(bind);
+        assert (provider != null);
+
+        // Ensure on bind we were asked to create an external view
+        final Bundle bundle = new Bundle();
+        IBinder bindView = provider.createExternalView(bundle);
+        final IKeyguardExternalViewProvider view = IKeyguardExternalViewProvider.Stub.asInterface(bindView);
+        assert (view != null);
+
+        // Ensure the bundle we constructed with is intact
+        Bundle b = getService().getProvider().getOptionsImpl();
+        assert (b == bundle);
+
+        Mockito.reset(getService().getProvider().getTracker());
+        view.onScreenTurnedOff();
+        runOnServiceThread(new Runnable() {
+            @Override
+            public void run() {
+                Mockito.verify(getService().getProvider().getTracker(), Mockito.times(1))
+                        .onScreenTurnedOff();
+                Mockito.verifyNoMoreInteractions(getService().getProvider().getTracker());
+            }
+        });
+
+        Mockito.reset(getService().getProvider().getTracker());
+        view.onKeyguardDismissed();
+        runOnServiceThread(new Runnable() {
+            @Override
+            public void run() {
+                Mockito.verify(getService().getProvider().getTracker(), Mockito.times(1))
+                        .onKeyguardDismissed();
+                Mockito.verifyNoMoreInteractions(getService().getProvider().getTracker());
+            }
+        });
+
+        Mockito.reset(getService().getProvider().getTracker());
+        view.onBouncerShowing(true);
+        runOnServiceThread(new Runnable() {
+            @Override
+            public void run() {
+                Mockito.verify(getService().getProvider().getTracker(), Mockito.times(1))
+                        .onBouncerShowing(Mockito.eq(true));
+                Mockito.verifyNoMoreInteractions(getService().getProvider().getTracker());
+            }
+        });
+
+        Mockito.reset(getService().getProvider().getTracker());
+        view.onKeyguardShowing(true);
+        runOnServiceThread(new Runnable() {
+            @Override
+            public void run() {
+                Mockito.verify(getService().getProvider().getTracker(), Mockito.times(1))
+                        .onKeyguardShowing(Mockito.eq(true));
+                Mockito.verifyNoMoreInteractions(getService().getProvider().getTracker());
+            }
+        });
+
+        Mockito.reset(getService().getProvider().getTracker());
+        view.onLockscreenSlideOffsetChanged(1f);
+        runOnServiceThread(new Runnable() {
+            @Override
+            public void run() {
+                Mockito.verify(getService().getProvider().getTracker(), Mockito.times(1))
+                        .onLockscreenSlideOffsetChanged(Mockito.eq(1f));
+                Mockito.verifyNoMoreInteractions(getService().getProvider().getTracker());
+            }
+        });
+
+        Mockito.reset(getService().getProvider().getTracker());
+        view.onAttach(null);
+        runOnServiceThread(new Runnable() {
+            @Override
+            public void run() {
+                Mockito.verify(getService().getProvider().getTracker(), Mockito.times(1)).onAttach();
+                Mockito.verifyNoMoreInteractions(getService().getProvider().getTracker());
+
+                ArgumentCaptor<WindowManager.LayoutParams> params = ArgumentCaptor
+                        .forClass(WindowManager.LayoutParams.class);
+                ArgumentCaptor<ViewGroup> viewGroup = ArgumentCaptor
+                        .forClass(ViewGroup.class);
+                Mockito.verify(mWindowManagerMock, Mockito.times(1))
+                        .addView(viewGroup.capture(), params.capture());
+
+                ViewGroup decorView = viewGroup.getAllValues().get(0);
+                assert (decorView.getChildCount() == 1);
+                assert (decorView.getChildAt(0) == getService().getProvider().getView());
+
+                WindowManager.LayoutParams param = params.getAllValues().get(0);
+                assert ((param.type & WindowManager.LayoutParams.TYPE_KEYGUARD_PANEL) != 0);
+
+                int flags = WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL |
+                        WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS |
+                        WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN |
+                        WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED |
+                        WindowManager.LayoutParams.FLAG_FULLSCREEN;
+                assert ((param.flags & flags) != 0);
+
+                assert ((param.gravity & Gravity.LEFT | Gravity.TOP) != 0);
+                assert ((param.format & PixelFormat.TRANSPARENT) != 0);
+            }
+        });
+
+        Mockito.reset(getService().getProvider().getTracker());
+        view.onDetach();
+        runOnServiceThread(new Runnable() {
+            @Override
+            public void run() {
+                Mockito.verify(getService().getProvider().getTracker(), Mockito.times(1)).onDetach();
+                Mockito.verifyNoMoreInteractions(getService().getProvider().getTracker());
+
+                ArgumentCaptor<ViewGroup> viewGroup = ArgumentCaptor
+                        .forClass(ViewGroup.class);
+                Mockito.verify(mWindowManagerMock, Mockito.times(1))
+                        .removeView(viewGroup.capture());
+
+                ViewGroup decorView = viewGroup.getAllValues().get(0);
+                assert (decorView.getChildCount() == 1);
+                assert (decorView.getChildAt(0) == getService().getProvider().getView());
+            }
+        });
+    }
+
+    public void testCallbackRegistration() throws Exception {
+        assert (getService() != null);
+
+        IBinder bind = getService().onBind(new Intent());
+        final IExternalViewProviderFactory provider = IExternalViewProviderFactory.Stub.asInterface(bind);
+        assert (provider != null);
+
+        // Ensure on bind we were asked to create an external view
+        final Bundle bundle = new Bundle();
+        IBinder bindView = provider.createExternalView(bundle);
+        final IKeyguardExternalViewProvider view = IKeyguardExternalViewProvider.Stub.asInterface(bindView);
+        assert (view != null);
+
+        final IKeyguardExternalViewCallbacks.Stub callback = MockIBinderStubForInterface
+                .getMockInterface(IKeyguardExternalViewCallbacks.Stub.class);
+        view.registerCallback(callback);
+        getService().getProvider().requestDismissImpl();
+        runOnServiceThread(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    Mockito.verify(callback, Mockito.times(1)).requestDismiss();
+                    Mockito.verify(callback, Mockito.times(1)).asBinder();
+                } catch (RemoteException e) {
+                    Assert.fail(e.getMessage());
+                }
+                Mockito.verifyNoMoreInteractions(callback);
+            }
+        });
+
+        Mockito.reset(callback);
+        final Intent i = new Intent();
+        getService().getProvider().requestDismissAndStartActivityImpl(i);
+        runOnServiceThread(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    Mockito.verify(callback, Mockito.times(1)).requestDismissAndStartActivity(Mockito.eq(i));
+                } catch (RemoteException e) {
+                    Assert.fail(e.getMessage());
+                }
+                Mockito.verifyNoMoreInteractions(callback);
+            }
+        });
+
+        Mockito.reset(callback);
+        getService().getProvider().setInteractivityImpl(true);
+        runOnServiceThread(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    Mockito.verify(callback, Mockito.times(1)).setInteractivity(Mockito.eq(true));
+                } catch (RemoteException e) {
+                    Assert.fail(e.getMessage());
+                }
+                Mockito.verifyNoMoreInteractions(callback);
+            }
+        });
+
+        Mockito.reset(callback);
+        getService().getProvider().slideLockscreenInImpl();
+        runOnServiceThread(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    Mockito.verify(callback, Mockito.times(1)).slideLockscreenIn();
+                } catch (RemoteException e) {
+                    Assert.fail(e.getMessage());
+                }
+                Mockito.verifyNoMoreInteractions(callback);
+            }
+        });
+
+        Mockito.reset(getService().getProvider().getTracker());
+        getService().getProvider().collapseNotificationPanelImpl();
+        runOnServiceThread(new Runnable() {
+            @Override
+            public void run() {
+                Mockito.verify(getService().getProvider().getTracker(), Mockito.times(1))
+                        .collapseNotificationPanelImpl();
+                Mockito.verifyNoMoreInteractions(getService().getProvider().getTracker());
+            }
+        });
+    }
+
+    public void testAlterWindow() throws Exception {
+        assert (getService() != null);
+
+        IBinder bind = getService().onBind(new Intent());
+        final IExternalViewProviderFactory provider = IExternalViewProviderFactory.Stub.asInterface(bind);
+        assert (provider != null);
+
+        // Ensure on bind we were asked to create an external view
+        final Bundle bundle = new Bundle();
+        IBinder bindView = provider.createExternalView(bundle);
+        final IKeyguardExternalViewProvider view = IKeyguardExternalViewProvider.Stub.asInterface(bindView);
+        assert (view != null);
+
+        // Test visible false
+        Mockito.reset(mWindowManagerMock);
+        final Rect rect = new Rect(0, 0, 100, 100);
+        view.alterWindow(0, 0, 100, 100, false, rect);
+        runOnServiceThread(new Runnable() {
+            @Override
+            public void run() {
+                Mockito.verifyNoMoreInteractions(mWindowManagerMock);
+            }
+        });
+
+        // Test visible true
+        Mockito.reset(mWindowManagerMock);
+        view.alterWindow(10, 20, 30, 40, true, rect);
+        runOnServiceThread(new Runnable() {
+            @Override
+            public void run() {
+                ArgumentCaptor<WindowManager.LayoutParams> params = ArgumentCaptor
+                        .forClass(WindowManager.LayoutParams.class);
+                ArgumentCaptor<ViewGroup> viewGroup = ArgumentCaptor
+                        .forClass(ViewGroup.class);
+                Mockito.verify(mWindowManagerMock, Mockito.times(1))
+                        .updateViewLayout(viewGroup.capture(), params.capture());
+
+                ViewGroup decorView = viewGroup.getAllValues().get(0);
+                View child = decorView.getChildAt(0);
+                assert (decorView.getChildCount() == 1);
+                assert (child == getService().getProvider().getView());
+                assert (child.getVisibility() == View.VISIBLE);
+                assert (child.getClipBounds().equals(rect));
+
+                WindowManager.LayoutParams param = params.getAllValues().get(0);
+                assert (param.x == 10);
+                assert (param.y == 20);
+                assert (param.width == 30);
+                assert (param.height == 40);
+                Mockito.verifyNoMoreInteractions(mWindowManagerMock);
+            }
+        });
+    }
+}
diff --git a/tests/src/org/cyanogenmod/tests/externalviews/keyguardexternalviews/KeyguardExternalViewTest.java b/tests/src/org/cyanogenmod/tests/externalviews/keyguardexternalviews/KeyguardExternalViewTest.java
new file mode 100644
index 0000000..a12ac27
--- /dev/null
+++ b/tests/src/org/cyanogenmod/tests/externalviews/keyguardexternalviews/KeyguardExternalViewTest.java
@@ -0,0 +1,254 @@
+/**
+ * Copyright (c) 2016, The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.cyanogenmod.tests.externalviews.keyguardexternalviews;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.graphics.Rect;
+import android.os.Bundle;
+import android.os.IBinder;
+import android.os.RemoteException;
+import android.test.AndroidTestCase;
+import android.view.WindowManager;
+import cyanogenmod.externalviews.IExternalViewProviderFactory;
+import cyanogenmod.externalviews.IKeyguardExternalViewCallbacks;
+import cyanogenmod.externalviews.IKeyguardExternalViewProvider;
+import cyanogenmod.externalviews.KeyguardExternalView;
+import org.cyanogenmod.tests.common.MockIBinderStubForInterface;
+import org.mockito.Mockito;
+import org.mockito.invocation.InvocationOnMock;
+import org.mockito.stubbing.Answer;
+
+public class KeyguardExternalViewTest extends AndroidTestCase {
+    private IKeyguardExternalViewProvider.Stub mIKeyguardExternalViewProvider;
+    private IExternalViewProviderFactory.Stub mExternalViewProviderFactory;
+    private WindowManager mWindowManagerMock;
+    private Context mContextMock;
+    private ServiceConnection mServiceConnection;
+    private IKeyguardExternalViewCallbacks mKeyguardCallback;
+    private KeyguardExternalView mExternalView;
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+
+        WindowManager windowManager = (WindowManager) getContext()
+                .getSystemService(Context.WINDOW_SERVICE);
+
+        // Ensure we mock context but invoke non intercepted calls to impl
+        mContextMock = Mockito.mock(Context.class, Mockito.CALLS_REAL_METHODS);
+
+        // Needed since ExternalView's base class instantiates things off this.
+        // We can't use a spy here since ContextImpl is hidden (PowerMock ?)
+        // For now just redirect these to the test context
+        Mockito.doReturn(getContext().getApplicationInfo()).when(mContextMock).getApplicationInfo();
+        Mockito.doReturn(getContext().getResources()).when(mContextMock).getResources();
+        Mockito.doReturn(getContext().getTheme()).when(mContextMock).getTheme();
+
+        // Mock window manager to ensure we don't try to add the windows
+        mWindowManagerMock = Mockito.mock(WindowManager.class);
+        Mockito.doReturn(mWindowManagerMock).when(mContextMock).getSystemService(Context.WINDOW_SERVICE);
+        Mockito.doReturn(windowManager.getDefaultDisplay()).when(mWindowManagerMock).getDefaultDisplay();
+
+        // Mock the viewProvider/KeyguardView to keep track of callback invocations
+        mIKeyguardExternalViewProvider = MockIBinderStubForInterface
+                .getMockInterface(IKeyguardExternalViewProvider.Stub.class);
+        mExternalViewProviderFactory = MockIBinderStubForInterface
+                .getMockInterface(IExternalViewProviderFactory.Stub.class);
+
+        // Ensure we return our view provider when the factory is asked to create external view
+        Mockito.doReturn(mIKeyguardExternalViewProvider)
+                .when(mExternalViewProviderFactory)
+                .createExternalView(Mockito.any(Bundle.class));
+
+        // Store the callback object registered by the view
+        Mockito.doAnswer(new Answer<Void>() {
+            @Override
+            public Void answer(InvocationOnMock invocation) throws Throwable {
+                mKeyguardCallback = (IKeyguardExternalViewCallbacks) invocation.getArguments()[0];
+                return null;
+            }
+        }).when(mIKeyguardExternalViewProvider)
+                .registerCallback(Mockito.notNull(IKeyguardExternalViewCallbacks.class));
+
+        // Simulate bound service connection when bindService is invoked
+        Mockito.doAnswer(new Answer() {
+            @Override
+            public Object answer(InvocationOnMock invocation) throws Throwable {
+                ServiceConnection connection = (ServiceConnection) invocation.getArguments()[1];
+                connection.onServiceConnected(null, mExternalViewProviderFactory);
+                mServiceConnection = connection;
+                return true;
+            }
+        }).when(mContextMock).bindService(Mockito.any(Intent.class),
+                Mockito.any(ServiceConnection.class), Mockito.anyInt());
+    }
+
+    public void testValidServiceBind() {
+        mExternalView = new KeyguardExternalView(mContextMock, null, new ComponentName("", ""));
+
+        // Ensure we attempted to bind to the service
+        Mockito.verify(mContextMock, Mockito.times(1)).bindService(Mockito.any(Intent.class),
+                Mockito.any(ServiceConnection.class), Mockito.anyInt());
+    }
+
+    public void testInvalidServiceBind() {
+        mExternalView = new KeyguardExternalView(mContextMock, null, null);
+        // Ensure we did not attempt to bind to the service
+        Mockito.verify(mContextMock, Mockito.never()).bindService(Mockito.any(Intent.class),
+                Mockito.any(ServiceConnection.class), Mockito.anyInt());
+    }
+
+    public void testServiceAndCallbacksRegistered() throws RemoteException {
+        testValidServiceBind();
+
+        // Ensure a view was asked to be created
+        Mockito.verify(mExternalViewProviderFactory, Mockito.times(1))
+                .createExternalView(Mockito.any(Bundle.class));
+
+        // Ensure callbacks were registered
+        Mockito.verify(mIKeyguardExternalViewProvider, Mockito.times(1))
+                .registerCallback(Mockito.notNull(IKeyguardExternalViewCallbacks.class));
+
+        assertNotNull(mKeyguardCallback);
+    }
+
+    public void testServiceUnbindAndCallbacksUnRegistered() throws RemoteException {
+        testServiceAndCallbacksRegistered();
+
+        assertNotNull(mServiceConnection);
+        mServiceConnection.onServiceDisconnected(null);
+
+        // Ensure callbacks were registered
+        Mockito.verify(mIKeyguardExternalViewProvider, Mockito.times(1))
+                .unregisterCallback(Mockito.notNull(IKeyguardExternalViewCallbacks.class));
+    }
+
+    // Ensure provider is alerted view callbacks
+    public void testViewProviderCallbacks() throws RemoteException {
+        testServiceAndCallbacksRegistered();
+
+        Mockito.reset(mIKeyguardExternalViewProvider);
+        mExternalView.onKeyguardShowing(true);
+        Mockito.verify(mIKeyguardExternalViewProvider,
+                Mockito.times(1)).onKeyguardShowing(Mockito.anyBoolean());
+        Mockito.verifyNoMoreInteractions(mIKeyguardExternalViewProvider);
+
+        Mockito.reset(mIKeyguardExternalViewProvider);
+        mExternalView.onAttachedToWindow();
+        Mockito.verify(mIKeyguardExternalViewProvider,
+                Mockito.times(1)).onAttach(Mockito.any(IBinder.class));
+        Mockito.verifyNoMoreInteractions(mIKeyguardExternalViewProvider);
+
+        Mockito.reset(mIKeyguardExternalViewProvider);
+        mExternalView.onDetachedFromWindow();
+        Mockito.verify(mIKeyguardExternalViewProvider, Mockito.times(1)).onDetach();
+        Mockito.verifyNoMoreInteractions(mIKeyguardExternalViewProvider);
+
+        Mockito.reset(mIKeyguardExternalViewProvider);
+        mExternalView.onBouncerShowing(true);
+        Mockito.verify(mIKeyguardExternalViewProvider,
+                Mockito.times(1)).onBouncerShowing(Mockito.anyBoolean());
+        Mockito.verifyNoMoreInteractions(mIKeyguardExternalViewProvider);
+
+        Mockito.reset(mIKeyguardExternalViewProvider);
+        mExternalView.onKeyguardDismissed();
+        Mockito.verify(mIKeyguardExternalViewProvider,
+                Mockito.times(1)).onKeyguardDismissed();
+        Mockito.verifyNoMoreInteractions(mIKeyguardExternalViewProvider);
+
+        Mockito.reset(mIKeyguardExternalViewProvider);
+        mExternalView.onLockscreenSlideOffsetChanged(1f);
+        Mockito.verify(mIKeyguardExternalViewProvider,
+                Mockito.times(1)).onLockscreenSlideOffsetChanged(Mockito.eq(1f));
+        Mockito.verifyNoMoreInteractions(mIKeyguardExternalViewProvider);
+
+        Mockito.reset(mIKeyguardExternalViewProvider);
+        mExternalView.onScreenTurnedOff();
+        Mockito.verify(mIKeyguardExternalViewProvider, Mockito.times(1)).onScreenTurnedOff();
+        Mockito.verifyNoMoreInteractions(mIKeyguardExternalViewProvider);
+
+        Mockito.reset(mIKeyguardExternalViewProvider);
+        mExternalView.onScreenTurnedOn();
+        Mockito.verify(mIKeyguardExternalViewProvider, Mockito.times(1)).onScreenTurnedOn();
+        Mockito.verifyNoMoreInteractions(mIKeyguardExternalViewProvider);
+    }
+
+    public void testWindowMovement() throws RemoteException {
+        testServiceAndCallbacksRegistered();
+        Mockito.reset(mIKeyguardExternalViewProvider);
+
+        mExternalView.setLeft(0);
+        mExternalView.setTop(0);
+        mExternalView.setRight(100);
+        mExternalView.setBottom(100);
+
+        mExternalView.onPreDraw();
+        Mockito.verify(mIKeyguardExternalViewProvider, Mockito.times(1))
+                .alterWindow(Mockito.eq(0), Mockito.eq(0), Mockito.anyInt(),
+                        Mockito.anyInt(), Mockito.eq(true), Mockito.any(Rect.class));
+        Mockito.verifyNoMoreInteractions(mIKeyguardExternalViewProvider);
+    }
+
+    public void testWindowAttachmentCallbacks() throws RemoteException {
+        testServiceAndCallbacksRegistered();
+
+        KeyguardExternalView.OnWindowAttachmentChangedListener callback =
+                Mockito.mock(KeyguardExternalView.OnWindowAttachmentChangedListener.class);
+        mExternalView.registerOnWindowAttachmentChangedListener(callback);
+
+        mKeyguardCallback.onAttachedToWindow();
+        Mockito.verify(callback, Mockito.times(1)).onAttachedToWindow();
+        Mockito.verifyNoMoreInteractions(callback);
+
+        mKeyguardCallback.onDetachedFromWindow();
+        Mockito.verify(callback, Mockito.times(1)).onDetachedFromWindow();
+        Mockito.verifyNoMoreInteractions(callback);
+    }
+
+    public void testKeyguardViewCallbacks() throws RemoteException {
+        testServiceAndCallbacksRegistered();
+
+        KeyguardExternalView.KeyguardExternalViewCallbacks callback = Mockito.mock(
+                KeyguardExternalView.KeyguardExternalViewCallbacks.class);
+        mExternalView.registerKeyguardExternalViewCallback(callback);
+
+        mKeyguardCallback.requestDismiss();
+        Mockito.verify(callback, Mockito.times(1)).requestDismiss();
+        Mockito.verifyNoMoreInteractions(callback);
+
+        Intent i = new Intent();
+        mKeyguardCallback.requestDismissAndStartActivity(i);
+        Mockito.verify(callback, Mockito.times(1))
+                .requestDismissAndStartActivity(Mockito.eq(i));
+        Mockito.verifyNoMoreInteractions(callback);
+
+        mKeyguardCallback.setInteractivity(true);
+        assert(mExternalView.isInteractive());
+        Mockito.verifyNoMoreInteractions(callback);
+
+        mKeyguardCallback.slideLockscreenIn();
+        Mockito.verify(callback, Mockito.times(1)).slideLockscreenIn();
+        Mockito.verifyNoMoreInteractions(callback);
+
+        mExternalView.binderDied();
+        Mockito.verify(callback, Mockito.times(1)).providerDied();
+        Mockito.verifyNoMoreInteractions(callback);
+    }
+}