tests_camera/src/com/android/camera/stress/CameraStartUp.java

   1 /*
   2  * Copyright (C) 2009 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package com.android.camera.stress;
  18
  19 import com.android.camera.CameraActivity;
  20
  21 import android.app.Activity;
  22 import android.app.Instrumentation;
  23 import android.content.Intent;
  24 import android.os.Environment;
  25 import android.provider.MediaStore;
  26 import android.test.InstrumentationTestCase;
  27 import android.test.suitebuilder.annotation.LargeTest;
  28 import android.util.Log;
  29
  30 import java.io.FileWriter;
  31 import java.io.BufferedWriter;
  32
  33 /**
  34  * Test cases to measure the camera and video recorder startup time.
  35  */
  36 public class CameraStartUp extends InstrumentationTestCase {
  37
  38     private static final int TOTAL_NUMBER_OF_STARTUP = 20;
  39
  40     private String TAG = "CameraStartUp";
  41     private static final String CAMERA_TEST_OUTPUT_FILE =
  42             Environment.getExternalStorageDirectory().toString() + "/mediaStressOut.txt";
  43     private static int WAIT_TIME_FOR_PREVIEW = 1500; //1.5 second
  44
  45     private long launchCamera() {
  46         long startupTime = 0;
  47         try {
  48             Intent intent = new Intent(Intent.ACTION_MAIN);
  49             intent.setClass(getInstrumentation().getTargetContext(), CameraActivity.class);
  50             intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
  51             long beforeStart = System.currentTimeMillis();
  52             Instrumentation inst = getInstrumentation();
  53             Activity cameraActivity = inst.startActivitySync(intent);
  54             long cameraStarted = System.currentTimeMillis();
  55             Thread.sleep(WAIT_TIME_FOR_PREVIEW);
  56             cameraActivity.finish();
  57             startupTime = cameraStarted - beforeStart;
  58             Thread.sleep(1000);
  59             Log.v(TAG, "camera startup time: " + startupTime);
  60         } catch (Exception e) {
  61             Log.v(TAG, "Got exception", e);
  62             fail("Fails to get the output file");
  63         }
  64         return startupTime;
  65     }
  66
  67     private long launchVideo() {
  68         long startupTime = 0;
  69
  70         try {
  71             Intent intent = new Intent(MediaStore.INTENT_ACTION_VIDEO_CAMERA);
  72             intent.setClass(getInstrumentation().getTargetContext(), CameraActivity.class);
  73             intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
  74             long beforeStart = System.currentTimeMillis();
  75             Instrumentation inst = getInstrumentation();
  76             Activity recorderActivity = inst.startActivitySync(intent);
  77             long cameraStarted = System.currentTimeMillis();
  78             recorderActivity.finish();
  79             startupTime = cameraStarted - beforeStart;
  80             Log.v(TAG, "Video Startup Time = " + startupTime);
  81             // wait for 1s to make sure it reach a clean stage
  82             Thread.sleep(WAIT_TIME_FOR_PREVIEW);
  83             Log.v(TAG, "video startup time: " + startupTime);
  84         } catch (Exception e) {
  85             Log.v(TAG, "Got exception", e);
  86             fail("Fails to launch video output file");
  87         }
  88         return startupTime;
  89     }
  90
  91     private void writeToOutputFile(long totalStartupTime,
  92             String individualStartupTime, boolean firstStartUp, String Type) throws Exception {
  93         // TODO (yslau) : Need to integrate the output data with central
  94         // dashboard
  95         try {
  96             FileWriter fstream = null;
  97             fstream = new FileWriter(CAMERA_TEST_OUTPUT_FILE, true);
  98             BufferedWriter out = new BufferedWriter(fstream);
  99             if (firstStartUp) {
 100                 out.write("First " + Type + " Startup: " + totalStartupTime + "\n");
 101             } else {
 102                 long averageStartupTime = totalStartupTime / (TOTAL_NUMBER_OF_STARTUP -1);
 103                 out.write(Type + "startup time: " + "\n");
 104                 out.write("Number of loop: " + (TOTAL_NUMBER_OF_STARTUP -1)  + "\n");
 105                 out.write(individualStartupTime + "\n\n");
 106                 out.write(Type + " average startup time: " + averageStartupTime + " ms\n\n");
 107             }
 108             out.close();
 109             fstream.close();
 110         } catch (Exception e) {
 111             fail("Camera write output to file");
 112         }
 113     }
 114
 115     @LargeTest
 116     public void testLaunchVideo() throws Exception {
 117         String individualStartupTime;
 118         individualStartupTime = "Individual Video Startup Time = ";
 119         long totalStartupTime = 0;
 120         long startupTime = 0;
 121         for (int i = 0; i < TOTAL_NUMBER_OF_STARTUP; i++) {
 122             if (i == 0) {
 123                 // Capture the first startup time individually
 124                 long firstStartUpTime = launchVideo();
 125                 writeToOutputFile(firstStartUpTime, "na", true, "Video");
 126             } else {
 127                 startupTime = launchVideo();
 128                 totalStartupTime += startupTime;
 129                 individualStartupTime += startupTime + " ,";
 130             }
 131         }
 132         Log.v(TAG, "totalStartupTime =" + totalStartupTime);
 133         writeToOutputFile(totalStartupTime, individualStartupTime, false, "Video");
 134     }
 135
 136     @LargeTest
 137     public void testLaunchCamera() throws Exception {
 138         String individualStartupTime;
 139         individualStartupTime = "Individual Camera Startup Time = ";
 140         long totalStartupTime = 0;
 141         long startupTime = 0;
 142         for (int i = 0; i < TOTAL_NUMBER_OF_STARTUP; i++) {
 143             if (i == 0) {
 144                 // Capture the first startup time individually
 145                 long firstStartUpTime = launchCamera();
 146                 writeToOutputFile(firstStartUpTime, "na", true, "Camera");
 147             } else {
 148                 startupTime = launchCamera();
 149                 totalStartupTime += startupTime;
 150                 individualStartupTime += startupTime + " ,";
 151             }
 152         }
 153         Log.v(TAG, "totalStartupTime =" + totalStartupTime);
 154         writeToOutputFile(totalStartupTime,
 155                 individualStartupTime, false, "Camera");
 156     }
 157 }