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      1 /*
      2  * Copyright (C) 2010, 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.connectivitymanagertest.stress;
     18 
     19 
     20 import com.android.connectivitymanagertest.ConnectivityManagerStressTestRunner;
     21 import com.android.connectivitymanagertest.ConnectivityManagerTestActivity;
     22 
     23 import android.net.wifi.WifiConfiguration;
     24 import android.net.wifi.WifiConfiguration.KeyMgmt;
     25 import android.net.wifi.WifiConfiguration.AuthAlgorithm;
     26 import android.net.wifi.WifiManager;
     27 import android.os.Environment;
     28 import android.test.ActivityInstrumentationTestCase2;
     29 import android.test.suitebuilder.annotation.LargeTest;
     30 import android.util.Log;
     31 
     32 import java.io.BufferedWriter;
     33 import java.io.File;
     34 import java.io.FileWriter;
     35 
     36 /**
     37  * Stress the wifi driver as access point.
     38  */
     39 public class WifiApStress
     40     extends ActivityInstrumentationTestCase2<ConnectivityManagerTestActivity> {
     41     private final static String TAG = "WifiApStress";
     42     private static String NETWORK_ID = "AndroidAPTest";
     43     private static String PASSWD = "androidwifi";
     44     private final static String OUTPUT_FILE = "WifiStressTestOutput.txt";
     45     private ConnectivityManagerTestActivity mAct;
     46     private int iterations;
     47     private BufferedWriter mOutputWriter = null;
     48     private int mLastIteration = 0;
     49 
     50     public WifiApStress() {
     51         super(ConnectivityManagerTestActivity.class);
     52     }
     53 
     54     @Override
     55     public void setUp() throws Exception {
     56         super.setUp();
     57         mAct = getActivity();
     58         ConnectivityManagerStressTestRunner mRunner =
     59             (ConnectivityManagerStressTestRunner)getInstrumentation();
     60         iterations = mRunner.mSoftapIterations;
     61         mAct.turnScreenOn();
     62     }
     63 
     64     @Override
     65     public void tearDown() throws Exception {
     66         // write the total number of iterations into output file
     67         mOutputWriter = new BufferedWriter(new FileWriter(new File(
     68                 Environment.getExternalStorageDirectory(), OUTPUT_FILE)));
     69         mOutputWriter.write(String.format("iteration %d out of %d\n", mLastIteration, iterations));
     70         mOutputWriter.flush();
     71         mOutputWriter.close();
     72         super.tearDown();
     73     }
     74 
     75     @LargeTest
     76     public void testWifiHotSpot() {
     77         WifiConfiguration config = new WifiConfiguration();
     78         config.SSID = NETWORK_ID;
     79         config.allowedKeyManagement.set(KeyMgmt.WPA_PSK);
     80         config.allowedAuthAlgorithms.set(AuthAlgorithm.OPEN);
     81         config.preSharedKey = PASSWD;
     82 
     83         // If Wifi is enabled, disable it
     84         if (mAct.mWifiManager.isWifiEnabled()) {
     85             mAct.disableWifi();
     86         }
     87         int i;
     88         for (i = 0; i < iterations; i++) {
     89             Log.v(TAG, "iteration: " + i);
     90             mLastIteration = i;
     91             // enable Wifi tethering
     92             assertTrue(mAct.mWifiManager.setWifiApEnabled(config, true));
     93             // Wait for wifi ap state to be ENABLED
     94             assertTrue(mAct.waitForWifiAPState(WifiManager.WIFI_AP_STATE_ENABLED,
     95                     ConnectivityManagerTestActivity.LONG_TIMEOUT));
     96             // Wait for wifi tethering result
     97             assertEquals(ConnectivityManagerTestActivity.SUCCESS,
     98                     mAct.waitForTetherStateChange(2*ConnectivityManagerTestActivity.SHORT_TIMEOUT));
     99             // Allow the wifi tethering to be enabled for 10 seconds
    100             try {
    101                 Thread.sleep(2 * ConnectivityManagerTestActivity.SHORT_TIMEOUT);
    102             } catch (Exception e) {
    103                 fail("thread in sleep is interrupted");
    104             }
    105             assertTrue("no uplink data connection after Wi-Fi tethering", mAct.pingTest(null));
    106             // Disable soft AP
    107             assertTrue(mAct.mWifiManager.setWifiApEnabled(config, false));
    108             // Wait for 30 seconds until Wi-Fi tethering is stopped
    109             try {
    110                 Thread.sleep(30 * 1000);
    111                 Log.v(TAG, "wait for Wi-Fi tethering to be disabled.");
    112             } catch (Exception e) {
    113                 fail("thread in sleep is interrupted");
    114             }
    115             assertFalse("Wi-Fi AP disable failed", mAct.mWifiManager.isWifiApEnabled());
    116         }
    117         if (i == iterations) {
    118             mLastIteration = iterations;
    119         }
    120     }
    121 
    122 }
    123