Home | History | Annotate | Download | only in stress
      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.Camera;
     20 import com.android.camera.VideoCamera;
     21 
     22 import android.app.Activity;
     23 import android.app.Instrumentation;
     24 import android.content.Intent;
     25 import android.os.Debug;
     26 import android.os.Environment;
     27 import android.test.InstrumentationTestCase;
     28 import android.test.suitebuilder.annotation.LargeTest;
     29 import android.util.Log;
     30 
     31 import java.io.FileWriter;
     32 import java.io.BufferedWriter;
     33 
     34 /**
     35  * Test cases to measure the camera and video recorder startup time.
     36  */
     37 public class CameraStartUp extends InstrumentationTestCase {
     38 
     39     private static final int TOTAL_NUMBER_OF_STARTUP = 20;
     40 
     41     private String TAG = "CameraStartUp";
     42     private static final String CAMERA_TEST_OUTPUT_FILE =
     43             Environment.getExternalStorageDirectory().toString() + "/mediaStressOut.txt";
     44     private static int WAIT_TIME_FOR_PREVIEW = 1500; //1.5 second
     45 
     46     private long launchCamera() {
     47         long startupTime = 0;
     48         try {
     49             Intent intent = new Intent(Intent.ACTION_MAIN);
     50             intent.setClass(getInstrumentation().getTargetContext(), Camera.class);
     51             intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
     52             long beforeStart = System.currentTimeMillis();
     53             Instrumentation inst = getInstrumentation();
     54             Activity cameraActivity = inst.startActivitySync(intent);
     55             long cameraStarted = System.currentTimeMillis();
     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(Intent.ACTION_MAIN);
     72             intent.setClass(getInstrumentation().getTargetContext(), VideoCamera.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 }