Android example source code file (ReliabilityTest.java)

This example Android source code file (ReliabilityTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

android, app, bufferedoutputstream, bufferedreader, cannot, content, exception, external_dir, fileoutputstream, io, ioexception, layouttestsautorunner, os, page, reliability_test_runner_files, reliabilitytest, string, test, test_done, test_load_time_file

The ReliabilityTest.java Android example source code

/*
 * Copyright (C) 2009 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.dumprendertree;

import android.app.Activity;
import android.content.Intent;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.test.ActivityInstrumentationTestCase2;
import android.util.Log;

import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public class ReliabilityTest extends ActivityInstrumentationTestCase2<ReliabilityTestActivity> {

    private static final String LOGTAG = "ReliabilityTest";
    private static final String PKG_NAME = "com.android.dumprendertree";
    private static final String EXTERNAL_DIR =
        Environment.getExternalStorageDirectory().toString();
    private static final String TEST_LIST_FILE = EXTERNAL_DIR +
        "/android/reliability_tests_list.txt";
    private static final String TEST_STATUS_FILE = EXTERNAL_DIR +
        "/android/reliability_running_test.txt";
    private static final String TEST_TIMEOUT_FILE = EXTERNAL_DIR +
        "/android/reliability_timeout_test.txt";
    private static final String TEST_LOAD_TIME_FILE = EXTERNAL_DIR +
        "/android/reliability_load_time.txt";
    private static final String TEST_DONE = "#DONE";
    static final String RELIABILITY_TEST_RUNNER_FILES[] = {
        "run_reliability_tests.py"
    };

    public ReliabilityTest() {
        super(PKG_NAME, ReliabilityTestActivity.class);
    }

    public void runReliabilityTest() throws Throwable {
//        ReliabilityTestActivity activity = getActivity();
        LayoutTestsAutoRunner runner = (LayoutTestsAutoRunner)getInstrumentation();

        File testListFile = new File(TEST_LIST_FILE);
        if(!testListFile.exists())
            throw new FileNotFoundException("test list file not found.");

        BufferedReader listReader = new BufferedReader(
                new FileReader(testListFile));

        //always try to resume first, hence cleaning up status will be the
        //responsibility of driver scripts
        String lastUrl = FsUtils.readTestStatus(TEST_STATUS_FILE);
        if(lastUrl != null && !TEST_DONE.equals(lastUrl))
            fastForward(listReader, lastUrl);

        String url = null;
        Handler handler = null;
        boolean timeoutFlag = false;
        long start, elapsed;

        Intent intent = new Intent(runner.getContext(), ReliabilityTestActivity.class);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        ReliabilityTestActivity activity = (ReliabilityTestActivity)runner.startActivitySync(
            intent);
        //read from BufferedReader instead of populating a list in advance,
        //this will avoid excessive memory usage in case of a large list
        while((url = listReader.readLine()) != null) {
            url = url.trim();
            if(url.length() == 0)
                continue;
            start = System.currentTimeMillis();
            Log.v(LOGTAG, "Testing URL: " + url);
            FsUtils.updateTestStatus(TEST_STATUS_FILE, url);
            activity.reset();
            //use message to send new URL to avoid interacting with
            //WebView in non-UI thread
            handler = activity.getHandler();
            Message msg = handler.obtainMessage(
                    ReliabilityTestActivity.MSG_NAVIGATE,
                    runner.mTimeoutInMillis, runner.mDelay);
            msg.getData().putString(ReliabilityTestActivity.MSG_NAV_URL, url);
            msg.getData().putBoolean(ReliabilityTestActivity.MSG_NAV_LOGTIME,
                    runner.mLogtime);
            handler.sendMessage(msg);
            timeoutFlag = activity.waitUntilDone();
            elapsed = System.currentTimeMillis() - start;
            if(elapsed < 1000) {
                Log.w(LOGTAG, "Page load finished in " + elapsed
                        + "ms, too soon?");
            } else {
                Log.v(LOGTAG, "Page load finished in " + elapsed + "ms");
            }
            if(timeoutFlag) {
                writeTimeoutFile(url);
            }
            if(runner.mLogtime) {
                writeLoadTime(url, activity.getPageLoadTime());
            }
            System.runFinalization();
            System.gc();
            System.gc();
        }
        activity.finish();
        FsUtils.updateTestStatus(TEST_STATUS_FILE, TEST_DONE);
//        activity.finish();
        listReader.close();
    }

    public void copyRunnerAssetsToCache() {
        try {
            String out_dir = getActivity().getApplicationContext()
            .getCacheDir().getPath() + "/";

            for( int i=0; i< RELIABILITY_TEST_RUNNER_FILES.length; i++) {
                InputStream in = getActivity().getAssets().open(
                        RELIABILITY_TEST_RUNNER_FILES[i]);
                OutputStream out = new FileOutputStream(
                        out_dir + RELIABILITY_TEST_RUNNER_FILES[i]);

                byte[] buf = new byte[2048];
                int len;

                while ((len = in.read(buf)) >= 0 ) {
                    out.write(buf, 0, len);
                }
                out.close();
                in.close();
            }
        }catch (IOException e) {
            Log.e(LOGTAG, "Cannot extract scripts for testing.", e);
        }
    }

    private void fastForward(BufferedReader testListReader, String lastUrl) {
        //fastforward the BufferedReader to the position right after last url
        if(lastUrl == null)
            return;

        String line = null;
        try {
            while((line = testListReader.readLine()) != null) {
                if(lastUrl.equals(line))
                    return;
            }
        } catch (IOException ioe) {
            Log.e(LOGTAG, "Error while reading test list.", ioe);
            return;
        }
    }

    private void writeTimeoutFile(String s) {
        //append to the file containing the list of timeout urls
        try {
            BufferedOutputStream bos = new BufferedOutputStream(
                    new FileOutputStream(TEST_TIMEOUT_FILE, true));
            bos.write(s.getBytes());
            bos.write('\n');
            bos.close();
        } catch (Exception e) {
            Log.e(LOGTAG, "Cannot update file " + TEST_TIMEOUT_FILE, e);
        }
    }

    private void writeLoadTime(String s, long time) {
        //append to the file containing the list of timeout urls
        try {
            BufferedOutputStream bos = new BufferedOutputStream(
                    new FileOutputStream(TEST_LOAD_TIME_FILE, true));
            bos.write((s + '|' + time + '\n').getBytes());
            bos.close();
        } catch (Exception e) {
            Log.e(LOGTAG, "Cannot update file " + TEST_LOAD_TIME_FILE, e);
        }
    }
}