Merge changes I8c2d29be,Ibbc58c3e
am: 831196440e
Change-Id: I076e52cdf6e46f1df055de0bfe9583d72f3fd181
This commit is contained in:
Etan Cohen
@@ -0,0 +1,308 @@
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/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.net.wifi.aware.cts;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.net.wifi.WifiManager;
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import android.net.wifi.aware.AttachCallback;
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import android.net.wifi.aware.Characteristics;
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import android.net.wifi.aware.IdentityChangedListener;
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import android.net.wifi.aware.WifiAwareManager;
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import android.net.wifi.aware.WifiAwareSession;
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import android.test.AndroidTestCase;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.TimeUnit;
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/**
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* Wi-Fi Aware CTS test suite: single device testing. Performs tests on a single
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* device to validate Wi-Fi Aware.
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*/
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public class SingleDeviceTest extends AndroidTestCase {
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private static final String TAG = "WifiAwareCtsTests";
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// wait for Wi-Fi Aware to become available
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static private final int WAIT_FOR_AWARE_CHANGE_SECS = 10;
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private final Object mLock = new Object();
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private WifiAwareManager mWifiAwareManager;
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private WifiManager mWifiManager;
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private WifiManager.WifiLock mWifiLock;
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// used to store any WifiAwareSession allocated during tests - will clean-up after tests
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private List<WifiAwareSession> mSessions = new ArrayList<>();
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private class WifiAwareBroadcastReceiver extends BroadcastReceiver {
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private CountDownLatch mBlocker = new CountDownLatch(1);
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@Override
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public void onReceive(Context context, Intent intent) {
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if (WifiAwareManager.ACTION_WIFI_AWARE_STATE_CHANGED.equals(intent.getAction())) {
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mBlocker.countDown();
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}
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}
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boolean waitForStateChange() throws InterruptedException {
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return mBlocker.await(WAIT_FOR_AWARE_CHANGE_SECS, TimeUnit.SECONDS);
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}
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};
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private class AttachCallbackTest extends AttachCallback {
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static final int ATTACHED = 0;
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static final int ATTACH_FAILED = 1;
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static final int ERROR = 2; // no callback: timeout, interruption
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private CountDownLatch mBlocker = new CountDownLatch(1);
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private int mCallbackCalled = ERROR; // garbage init
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private WifiAwareSession mSession = null;
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@Override
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public void onAttached(WifiAwareSession session) {
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mCallbackCalled = ATTACHED;
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mSession = session;
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synchronized (mLock) {
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mSessions.add(session);
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}
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mBlocker.countDown();
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}
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@Override
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public void onAttachFailed() {
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mCallbackCalled = ATTACH_FAILED;
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mBlocker.countDown();
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}
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/**
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* Waits for any of the callbacks to be called - or an error (timeout, interruption).
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* Returns one of the ATTACHED, ATTACH_FAILED, or ERROR values.
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*/
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int waitForAnyCallback() {
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try {
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boolean noTimeout = mBlocker.await(WAIT_FOR_AWARE_CHANGE_SECS, TimeUnit.SECONDS);
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if (noTimeout) {
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return mCallbackCalled;
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} else {
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return ERROR;
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}
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} catch (InterruptedException e) {
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return ERROR;
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}
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}
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/**
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* Access the session created by a callback. Only useful to be called after calling
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* waitForAnyCallback() and getting the ATTACHED code back.
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*/
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WifiAwareSession getSession() {
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return mSession;
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}
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}
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private class IdentityChangedListenerTest extends IdentityChangedListener {
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private CountDownLatch mBlocker = new CountDownLatch(1);
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private byte[] mMac = null;
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@Override
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public void onIdentityChanged(byte[] mac) {
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mMac = mac;
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mBlocker.countDown();
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}
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/**
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* Waits for the listener callback to be called - or an error (timeout, interruption).
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* Returns true on callback called, false on error (timeout, interruption).
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*/
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boolean waitForListener() {
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try {
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return mBlocker.await(WAIT_FOR_AWARE_CHANGE_SECS, TimeUnit.SECONDS);
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} catch (InterruptedException e) {
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return false;
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}
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}
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/**
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* Returns the MAC address of the discovery interface supplied to the triggered callback.
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*/
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byte[] getMac() {
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return mMac;
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}
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}
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@Override
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protected void setUp() throws Exception {
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super.setUp();
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if (!TestUtils.shouldTestWifiAware(getContext())) {
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return;
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}
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mWifiAwareManager = (WifiAwareManager) getContext().getSystemService(
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Context.WIFI_AWARE_SERVICE);
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assertNotNull("Wi-Fi Aware Manager", mWifiAwareManager);
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mWifiManager = (WifiManager) getContext().getSystemService(Context.WIFI_SERVICE);
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assertNotNull("Wi-Fi Manager", mWifiManager);
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mWifiLock = mWifiManager.createWifiLock(TAG);
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mWifiLock.acquire();
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if (!mWifiManager.isWifiEnabled()) {
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mWifiManager.setWifiEnabled(true);
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}
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IntentFilter intentFilter = new IntentFilter();
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intentFilter.addAction(WifiAwareManager.ACTION_WIFI_AWARE_STATE_CHANGED);
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WifiAwareBroadcastReceiver receiver = new WifiAwareBroadcastReceiver();
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mContext.registerReceiver(receiver, intentFilter);
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if (!mWifiAwareManager.isAvailable()) {
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assertTrue("Timeout waiting for Wi-Fi Aware to change status",
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receiver.waitForStateChange());
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assertTrue("Wi-Fi Aware is not available (should be)", mWifiAwareManager.isAvailable());
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}
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}
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@Override
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protected void tearDown() throws Exception {
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if (!TestUtils.shouldTestWifiAware(getContext())) {
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super.tearDown();
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return;
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}
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synchronized (mLock) {
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for (WifiAwareSession session : mSessions) {
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// no damage from destroying twice (i.e. ok if test cleaned up after itself already)
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session.destroy();
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}
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mSessions.clear();
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}
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super.tearDown();
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}
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/**
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* Validate:
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* - Characteristics are available
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* - Characteristics values are legitimate. Not in the CDD. However, the tested values are
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* based on the Wi-Fi Aware protocol.
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*/
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public void testCharacteristics() {
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if (!TestUtils.shouldTestWifiAware(getContext())) {
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return;
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}
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Characteristics characteristics = mWifiAwareManager.getCharacteristics();
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assertNotNull("Wi-Fi Aware characteristics are null", characteristics);
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assertEquals("Service Name Length", characteristics.getMaxServiceNameLength(), 255);
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assertEquals("Service Specific Information Length",
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characteristics.getMaxServiceSpecificInfoLength(), 255);
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assertEquals("Match Filter Length", characteristics.getMaxMatchFilterLength(), 255);
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}
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/**
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* Validate that on Wi-Fi Aware availability change we get a broadcast + the API returns
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* correct status.
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*/
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public void testAvailabilityStatusChange() throws Exception {
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if (!TestUtils.shouldTestWifiAware(getContext())) {
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return;
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}
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IntentFilter intentFilter = new IntentFilter();
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intentFilter.addAction(WifiAwareManager.ACTION_WIFI_AWARE_STATE_CHANGED);
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// 1. Disable Wi-Fi
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WifiAwareBroadcastReceiver receiver1 = new WifiAwareBroadcastReceiver();
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mContext.registerReceiver(receiver1, intentFilter);
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mWifiManager.setWifiEnabled(false);
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assertTrue("Timeout waiting for Wi-Fi Aware to change status",
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receiver1.waitForStateChange());
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assertFalse("Wi-Fi Aware is available (should not be)", mWifiAwareManager.isAvailable());
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// 2. Enable Wi-Fi
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WifiAwareBroadcastReceiver receiver2 = new WifiAwareBroadcastReceiver();
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mContext.registerReceiver(receiver2, intentFilter);
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mWifiManager.setWifiEnabled(true);
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assertTrue("Timeout waiting for Wi-Fi Aware to change status",
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receiver2.waitForStateChange());
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assertTrue("Wi-Fi Aware is not available (should be)", mWifiAwareManager.isAvailable());
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}
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/**
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* Validate that can attach to Wi-Fi Aware.
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*/
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public void testAttachNoIdentity() {
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if (!TestUtils.shouldTestWifiAware(getContext())) {
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return;
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}
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AttachCallbackTest attachCb = new AttachCallbackTest();
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mWifiAwareManager.attach(attachCb, null);
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int cbCalled = attachCb.waitForAnyCallback();
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assertEquals("Wi-Fi Aware attach", AttachCallbackTest.ATTACHED, cbCalled);
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WifiAwareSession session = attachCb.getSession();
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assertNotNull("Wi-Fi Aware session", session);
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session.destroy();
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}
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/**
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* Validate that can attach to Wi-Fi Aware and get identity information. Use the identity
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* information to validate that MAC address changes on every attach.
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*
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* Note: relies on no other entity using Wi-Fi Aware during the CTS test. Since if it is used
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* then the attach/destroy will not correspond to enable/disable and will not result in a new
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* MAC address being generated.
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*/
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public void testAttachDiscoveryAddressChanges() {
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if (!TestUtils.shouldTestWifiAware(getContext())) {
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return;
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}
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final int numIterations = 10;
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Set<TestUtils.MacWrapper> macs = new HashSet<>();
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for (int i = 0; i < numIterations; ++i) {
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AttachCallbackTest attachCb = new AttachCallbackTest();
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IdentityChangedListenerTest identityL = new IdentityChangedListenerTest();
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mWifiAwareManager.attach(attachCb, identityL, null);
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assertEquals("Wi-Fi Aware attach: iteration " + i, AttachCallbackTest.ATTACHED,
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attachCb.waitForAnyCallback());
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assertTrue("Wi-Fi Aware attach: iteration " + i, identityL.waitForListener());
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WifiAwareSession session = attachCb.getSession();
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assertNotNull("Wi-Fi Aware session: iteration " + i, session);
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byte[] mac = identityL.getMac();
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assertNotNull("Wi-Fi Aware discovery MAC: iteration " + i, mac);
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session.destroy();
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macs.add(new TestUtils.MacWrapper(mac));
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}
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assertEquals("", numIterations, macs.size());
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}
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}
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69
tests/cts/net/src/android/net/wifi/aware/cts/TestUtils.java
Normal file
69
tests/cts/net/src/android/net/wifi/aware/cts/TestUtils.java
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@@ -0,0 +1,69 @@
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/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.net.wifi.aware.cts;
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import android.content.Context;
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import android.content.pm.PackageManager;
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import java.util.Arrays;
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/**
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* Test utilities for Wi-Fi Aware CTS test suite.
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*/
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class TestUtils {
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static final String TAG = "WifiAwareCtsTests";
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/**
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* Returns a flag indicating whether or not Wi-Fi Aware should be tested. Wi-Fi Aware
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* should be tested if the feature is supported on the current device.
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*/
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static boolean shouldTestWifiAware(Context context) {
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final PackageManager pm = context.getPackageManager();
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return pm.hasSystemFeature(PackageManager.FEATURE_WIFI_AWARE);
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}
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/**
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* Wraps a byte[] (MAC address representation). Intended to provide hash and equality operators
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* so that the MAC address can be used in containers.
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*/
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static class MacWrapper {
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private byte[] mMac;
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MacWrapper(byte[] mac) {
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mMac = mac;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) {
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return true;
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}
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if (!(o instanceof MacWrapper)) {
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return false;
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}
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MacWrapper lhs = (MacWrapper) o;
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return Arrays.equals(mMac, lhs.mMac);
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}
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@Override
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public int hashCode() {
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return Arrays.hashCode(mMac);
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}
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}
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}
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Reference in New Issue
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