tests_camera/src/com/android/camera/activity/CameraTestCase.java - platform/packages/apps/Gallery2 - Git at Google

 /*
  * Copyright (C) 2012 The Android Open Source 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 com.android.camera.activity;

 import android.app.Activity;
 import android.app.Instrumentation;
 import android.hardware.Camera;
 import android.hardware.Camera.AutoFocusCallback;
 import android.hardware.Camera.CameraInfo;
 import android.hardware.Camera.Parameters;
 import android.hardware.Camera.PictureCallback;
 import android.hardware.Camera.ShutterCallback;
 import android.test.ActivityInstrumentationTestCase2;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.View;

 import com.android.camera.CameraHolder;
 import com.android.camera.CameraManager.CameraProxy;
 import com.android.camera.Util;
 import com.android.gallery3d.R;

 import static com.google.testing.littlemock.LittleMock.mock;
 import static com.google.testing.littlemock.LittleMock.doAnswer;
 import static com.google.testing.littlemock.LittleMock.doReturn;
 import static com.google.testing.littlemock.LittleMock.anyObject;
 import com.google.testing.littlemock.AppDataDirGuesser;
 import com.google.testing.littlemock.ArgumentCaptor;
 import com.google.testing.littlemock.Captor;
 import com.google.testing.littlemock.LittleMock;
 import com.google.testing.littlemock.Mock;

 import java.io.File;
 import java.io.ByteArrayOutputStream;
 import java.io.InputStream;
 import java.io.IOException;
 import java.util.concurrent.Callable;


 public class CameraTestCase<T extends Activity> extends ActivityInstrumentationTestCase2<T> {
     protected CameraInfo mCameraInfo[];
     protected CameraProxy mMockCamera[];
     protected CameraInfo mOneCameraInfo[];
     protected CameraProxy mOneMockCamera[];
     private static Parameters mParameters;
     private byte[] mBlankJpeg;
     @Mock private CameraProxy mMockBackCamera;
     @Mock private CameraProxy mMockFrontCamera;
     @Captor private ArgumentCaptor<ShutterCallback> mShutterCallback;
     @Captor private ArgumentCaptor<PictureCallback> mRawPictureCallback;
     @Captor private ArgumentCaptor<PictureCallback> mJpegPictureCallback;
     @Captor private ArgumentCaptor<AutoFocusCallback> mAutoFocusCallback;
     Callable<Object> mAutoFocusCallable = new AutoFocusCallable();
     Callable<Object> mTakePictureCallable = new TakePictureCallable();

     private class TakePictureCallable implements Callable<Object> {
         @Override
         public Object call() throws Exception {
             Runnable runnable = new Runnable() {
                 @Override
                 public void run() {
                     readBlankJpeg();
                     Camera camera = mOneMockCamera[0].getCamera();
                     mShutterCallback.getValue().onShutter();
                     mRawPictureCallback.getValue().onPictureTaken(null, camera);
                     mJpegPictureCallback.getValue().onPictureTaken(mBlankJpeg, camera);
                 }
             };
             // Probably need some delay. Make sure shutter callback is called
             // after onShutterButtonFocus(false).
             getActivity().findViewById(R.id.gl_root_view).postDelayed(runnable, 50);
             return null;
         }
    }

     private class AutoFocusCallable implements Callable<Object> {
         @Override
         public Object call() throws Exception {
             Runnable runnable = new Runnable() {
                 @Override
                 public void run() {
                     Camera camera = mOneMockCamera[0].getCamera();
                     mAutoFocusCallback.getValue().onAutoFocus(true, camera);
                 }
             };
             // Need some delay. Otherwise, focus callback will be run before
             // onShutterButtonClick
             getActivity().findViewById(R.id.gl_root_view).postDelayed(runnable, 50);
             return null;
         }
    }

     public CameraTestCase(Class<T> activityClass) {
         super(activityClass);
     }

     @Override
     protected void setUp() throws Exception {
         super.setUp();
         AppDataDirGuesser.setInstance(new AppDataDirGuesser() {
             @Override
             public File guessSuitableDirectoryForGeneratedClasses() {
                 return getInstrumentation().getTargetContext().getCacheDir();
             }
         });
         AppDataDirGuesser.getsInstance().guessSuitableDirectoryForGeneratedClasses();
         LittleMock.initMocks(this);
         mCameraInfo = new CameraInfo[2];
         mCameraInfo[0] = new CameraInfo();
         mCameraInfo[0].facing = CameraInfo.CAMERA_FACING_BACK;
         mCameraInfo[1] = new CameraInfo();
         mCameraInfo[1].facing = CameraInfo.CAMERA_FACING_FRONT;
         mMockCamera = new CameraProxy[2];
         mMockCamera[0] = mMockBackCamera;
         mMockCamera[1] = mMockFrontCamera;
         doReturn(getParameters()).when(mMockCamera[0]).getParameters();
         doReturn(getParameters()).when(mMockCamera[1]).getParameters();

         mOneCameraInfo = new CameraInfo[1];
         mOneCameraInfo[0] = new CameraInfo();
         mOneCameraInfo[0].facing = CameraInfo.CAMERA_FACING_BACK;
         mOneMockCamera = new CameraProxy[1];
         mOneMockCamera[0] = mMockBackCamera;
         doReturn(getParameters()).when(mOneMockCamera[0]).getParameters();

         // Mock takePicture call.
         doAnswer(mTakePictureCallable).when(mMockBackCamera).takePicture(
                 mShutterCallback.capture(), mRawPictureCallback.capture(),
                 (PictureCallback) anyObject(), mJpegPictureCallback.capture());

         // Mock autoFocus call.
         doAnswer(mAutoFocusCallable).when(mMockBackCamera).autoFocus(
                 mAutoFocusCallback.capture());
     }

     private void readBlankJpeg() {
         InputStream ins = getActivity().getResources().openRawResource(R.raw.blank);
         ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
         int size = 0;

         // Read the entire resource into a local byte buffer.
         byte[] buffer = new byte[1024];
         try {
             while((size = ins.read(buffer, 0, 1024)) >= 0){
                 outputStream.write(buffer, 0, size);
             }
         } catch (IOException e) {
             // ignore
         } finally {
             Util.closeSilently(ins);
         }
         mBlankJpeg = outputStream.toByteArray();
     }

     @Override
     protected void tearDown() throws Exception {
         super.tearDown();
         CameraHolder.injectMockCamera(null,  null);
     }

     protected void internalTestFailToConnect() throws Exception {
         CameraHolder.injectMockCamera(mCameraInfo, null);

         getActivity();
         Instrumentation inst = getInstrumentation();
         inst.waitForIdleSync();
         inst.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_CENTER); // close dialog
     }

     protected void performClick(final int id) {
         Activity activity = getActivity();
         getInstrumentation().waitForIdleSync();
         assertNotNull(activity.findViewById(id));
         Instrumentation inst = getInstrumentation();
         inst.runOnMainSync(new Runnable() {
             @Override
             public void run() {
                 View v = getActivity().findViewById(id);
                 float x = (v.getLeft() + v.getRight()) / 2;
                 float y = (v.getTop() + v.getBottom()) / 2;
                 MotionEvent down = MotionEvent.obtain(0, 0,
                         MotionEvent.ACTION_DOWN, x, y, 0, 0, 0, 0, 0, 0, 0);
                 MotionEvent up = MotionEvent.obtain(0, 0,
                         MotionEvent.ACTION_UP, x, y, 0, 0, 0, 0, 0, 0, 0);
                 View parent = (View) v.getParent();
                 parent.dispatchTouchEvent(down);
                 parent.dispatchTouchEvent(up);
             }
         });
         inst.waitForIdleSync();
     }

     protected void assertViewNotExist(int id) {
         Activity activity = getActivity();
         getInstrumentation().waitForIdleSync();
         assertNull(activity.findViewById(id));
     }

     protected void assertViewNotVisible(int id) {
         Activity activity = getActivity();
         getInstrumentation().waitForIdleSync();
         View view = activity.findViewById(id);
         assertTrue(view.getVisibility() != View.VISIBLE);
     }

     protected static Parameters getParameters() {
         synchronized (CameraTestCase.class) {
             if (mParameters == null) {
                 mParameters = android.hardware.Camera.getEmptyParameters();
                 mParameters.unflatten("preview-format-values=yuv420sp,yuv420p,yuv422i-yuyv,yuv420p;" +
                         "preview-format=yuv420sp;" +
                         "preview-size-values=800x480;preview-size=800x480;" +
                         "picture-size-values=320x240;picture-size=320x240;" +
                         "jpeg-thumbnail-size-values=320x240,0x0;jpeg-thumbnail-width=320;jpeg-thumbnail-height=240;" +
                         "jpeg-thumbnail-quality=60;jpeg-quality=95;" +
                         "preview-frame-rate-values=30,15;preview-frame-rate=30;" +
                         "focus-mode-values=continuous-video,auto,macro,infinity,continuous-picture;focus-mode=auto;" +
                         "preview-fps-range-values=(15000,30000);preview-fps-range=15000,30000;" +
                         "scene-mode-values=auto,action,night;scene-mode=auto;" +
                         "flash-mode-values=off,on,auto,torch;flash-mode=off;" +
                         "whitebalance-values=auto,daylight,fluorescent,incandescent;whitebalance=auto;" +
                         "effect-values=none,mono,sepia;effect=none;" +
                         "zoom-supported=true;zoom-ratios=100,200,400;max-zoom=2;" +
                         "picture-format-values=jpeg;picture-format=jpeg;" +
                         "min-exposure-compensation=-30;max-exposure-compensation=30;" +
                         "exposure-compensation=0;exposure-compensation-step=0.1;" +
                         "horizontal-view-angle=40;vertical-view-angle=40;");
             }
         }
         return mParameters;
     }
 }
	/*
	* Copyright (C) 2012 The Android Open Source 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 com.android.camera.activity;

	import android.app.Activity;
	import android.app.Instrumentation;
	import android.hardware.Camera;
	import android.hardware.Camera.AutoFocusCallback;
	import android.hardware.Camera.CameraInfo;
	import android.hardware.Camera.Parameters;
	import android.hardware.Camera.PictureCallback;
	import android.hardware.Camera.ShutterCallback;
	import android.test.ActivityInstrumentationTestCase2;
	import android.view.KeyEvent;
	import android.view.MotionEvent;
	import android.view.View;

	import com.android.camera.CameraHolder;
	import com.android.camera.CameraManager.CameraProxy;
	import com.android.camera.Util;
	import com.android.gallery3d.R;

	import static com.google.testing.littlemock.LittleMock.mock;
	import static com.google.testing.littlemock.LittleMock.doAnswer;
	import static com.google.testing.littlemock.LittleMock.doReturn;
	import static com.google.testing.littlemock.LittleMock.anyObject;
	import com.google.testing.littlemock.AppDataDirGuesser;
	import com.google.testing.littlemock.ArgumentCaptor;
	import com.google.testing.littlemock.Captor;
	import com.google.testing.littlemock.LittleMock;
	import com.google.testing.littlemock.Mock;

	import java.io.File;
	import java.io.ByteArrayOutputStream;
	import java.io.InputStream;
	import java.io.IOException;
	import java.util.concurrent.Callable;


	public class CameraTestCase<T extends Activity> extends ActivityInstrumentationTestCase2<T> {
	protected CameraInfo mCameraInfo[];
	protected CameraProxy mMockCamera[];
	protected CameraInfo mOneCameraInfo[];
	protected CameraProxy mOneMockCamera[];
	private static Parameters mParameters;
	private byte[] mBlankJpeg;
	@Mock private CameraProxy mMockBackCamera;
	@Mock private CameraProxy mMockFrontCamera;
	@Captor private ArgumentCaptor<ShutterCallback> mShutterCallback;
	@Captor private ArgumentCaptor<PictureCallback> mRawPictureCallback;
	@Captor private ArgumentCaptor<PictureCallback> mJpegPictureCallback;
	@Captor private ArgumentCaptor<AutoFocusCallback> mAutoFocusCallback;
	Callable<Object> mAutoFocusCallable = new AutoFocusCallable();
	Callable<Object> mTakePictureCallable = new TakePictureCallable();

	private class TakePictureCallable implements Callable<Object> {
	@Override
	public Object call() throws Exception {
	Runnable runnable = new Runnable() {
	@Override
	public void run() {
	readBlankJpeg();
	Camera camera = mOneMockCamera[0].getCamera();
	mShutterCallback.getValue().onShutter();
	mRawPictureCallback.getValue().onPictureTaken(null, camera);
	mJpegPictureCallback.getValue().onPictureTaken(mBlankJpeg, camera);
	}
	};
	// Probably need some delay. Make sure shutter callback is called
	// after onShutterButtonFocus(false).
	getActivity().findViewById(R.id.gl_root_view).postDelayed(runnable, 50);
	return null;
	}
	}

	private class AutoFocusCallable implements Callable<Object> {
	@Override
	public Object call() throws Exception {
	Runnable runnable = new Runnable() {
	@Override
	public void run() {
	Camera camera = mOneMockCamera[0].getCamera();
	mAutoFocusCallback.getValue().onAutoFocus(true, camera);
	}
	};
	// Need some delay. Otherwise, focus callback will be run before
	// onShutterButtonClick
	getActivity().findViewById(R.id.gl_root_view).postDelayed(runnable, 50);
	return null;
	}
	}

	public CameraTestCase(Class<T> activityClass) {
	super(activityClass);
	}

	@Override
	protected void setUp() throws Exception {
	super.setUp();
	AppDataDirGuesser.setInstance(new AppDataDirGuesser() {
	@Override
	public File guessSuitableDirectoryForGeneratedClasses() {
	return getInstrumentation().getTargetContext().getCacheDir();
	}
	});
	AppDataDirGuesser.getsInstance().guessSuitableDirectoryForGeneratedClasses();
	LittleMock.initMocks(this);
	mCameraInfo = new CameraInfo[2];
	mCameraInfo[0] = new CameraInfo();
	mCameraInfo[0].facing = CameraInfo.CAMERA_FACING_BACK;
	mCameraInfo[1] = new CameraInfo();
	mCameraInfo[1].facing = CameraInfo.CAMERA_FACING_FRONT;
	mMockCamera = new CameraProxy[2];
	mMockCamera[0] = mMockBackCamera;
	mMockCamera[1] = mMockFrontCamera;
	doReturn(getParameters()).when(mMockCamera[0]).getParameters();
	doReturn(getParameters()).when(mMockCamera[1]).getParameters();

	mOneCameraInfo = new CameraInfo[1];
	mOneCameraInfo[0] = new CameraInfo();
	mOneCameraInfo[0].facing = CameraInfo.CAMERA_FACING_BACK;
	mOneMockCamera = new CameraProxy[1];
	mOneMockCamera[0] = mMockBackCamera;
	doReturn(getParameters()).when(mOneMockCamera[0]).getParameters();

	// Mock takePicture call.
	doAnswer(mTakePictureCallable).when(mMockBackCamera).takePicture(
	mShutterCallback.capture(), mRawPictureCallback.capture(),
	(PictureCallback) anyObject(), mJpegPictureCallback.capture());

	// Mock autoFocus call.
	doAnswer(mAutoFocusCallable).when(mMockBackCamera).autoFocus(
	mAutoFocusCallback.capture());
	}

	private void readBlankJpeg() {
	InputStream ins = getActivity().getResources().openRawResource(R.raw.blank);
	ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
	int size = 0;

	// Read the entire resource into a local byte buffer.
	byte[] buffer = new byte[1024];
	try {
	while((size = ins.read(buffer, 0, 1024)) >= 0){
	outputStream.write(buffer, 0, size);
	}
	} catch (IOException e) {
	// ignore
	} finally {
	Util.closeSilently(ins);
	}
	mBlankJpeg = outputStream.toByteArray();
	}

	@Override
	protected void tearDown() throws Exception {
	super.tearDown();
	CameraHolder.injectMockCamera(null, null);
	}

	protected void internalTestFailToConnect() throws Exception {
	CameraHolder.injectMockCamera(mCameraInfo, null);

	getActivity();
	Instrumentation inst = getInstrumentation();
	inst.waitForIdleSync();
	inst.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_CENTER); // close dialog
	}

	protected void performClick(final int id) {
	Activity activity = getActivity();
	getInstrumentation().waitForIdleSync();
	assertNotNull(activity.findViewById(id));
	Instrumentation inst = getInstrumentation();
	inst.runOnMainSync(new Runnable() {
	@Override
	public void run() {
	View v = getActivity().findViewById(id);
	float x = (v.getLeft() + v.getRight()) / 2;
	float y = (v.getTop() + v.getBottom()) / 2;
	MotionEvent down = MotionEvent.obtain(0, 0,
	MotionEvent.ACTION_DOWN, x, y, 0, 0, 0, 0, 0, 0, 0);
	MotionEvent up = MotionEvent.obtain(0, 0,
	MotionEvent.ACTION_UP, x, y, 0, 0, 0, 0, 0, 0, 0);
	View parent = (View) v.getParent();
	parent.dispatchTouchEvent(down);
	parent.dispatchTouchEvent(up);
	}
	});
	inst.waitForIdleSync();
	}

	protected void assertViewNotExist(int id) {
	Activity activity = getActivity();
	getInstrumentation().waitForIdleSync();
	assertNull(activity.findViewById(id));
	}

	protected void assertViewNotVisible(int id) {
	Activity activity = getActivity();
	getInstrumentation().waitForIdleSync();
	View view = activity.findViewById(id);
	assertTrue(view.getVisibility() != View.VISIBLE);
	}

	protected static Parameters getParameters() {
	synchronized (CameraTestCase.class) {
	if (mParameters == null) {
	mParameters = android.hardware.Camera.getEmptyParameters();
	mParameters.unflatten("preview-format-values=yuv420sp,yuv420p,yuv422i-yuyv,yuv420p;" +
	"preview-format=yuv420sp;" +
	"preview-size-values=800x480;preview-size=800x480;" +
	"picture-size-values=320x240;picture-size=320x240;" +
	"jpeg-thumbnail-size-values=320x240,0x0;jpeg-thumbnail-width=320;jpeg-thumbnail-height=240;" +
	"jpeg-thumbnail-quality=60;jpeg-quality=95;" +
	"preview-frame-rate-values=30,15;preview-frame-rate=30;" +
	"focus-mode-values=continuous-video,auto,macro,infinity,continuous-picture;focus-mode=auto;" +
	"preview-fps-range-values=(15000,30000);preview-fps-range=15000,30000;" +
	"scene-mode-values=auto,action,night;scene-mode=auto;" +
	"flash-mode-values=off,on,auto,torch;flash-mode=off;" +
	"whitebalance-values=auto,daylight,fluorescent,incandescent;whitebalance=auto;" +
	"effect-values=none,mono,sepia;effect=none;" +
	"zoom-supported=true;zoom-ratios=100,200,400;max-zoom=2;" +
	"picture-format-values=jpeg;picture-format=jpeg;" +
	"min-exposure-compensation=-30;max-exposure-compensation=30;" +
	"exposure-compensation=0;exposure-compensation-step=0.1;" +
	"horizontal-view-angle=40;vertical-view-angle=40;");
	}
	}
	return mParameters;
	}
	}