[AWARE] CTS for attaching to session + MAC address
Add CTS to verify initial session attach:
- Basic attach
- Attach with identity callback: use to verify MAC
address change on subsequent attach.
Bug: 30556108
Test: CTS tests pass/fail per expectations
Change-Id: I8c2d29be81bef600a2c9eac99868326473d72b6e
diff --git a/tests/cts/net/src/android/net/wifi/aware/cts/SingleDeviceTest.java b/tests/cts/net/src/android/net/wifi/aware/cts/SingleDeviceTest.java
index 536e885..bea4500 100644
--- a/tests/cts/net/src/android/net/wifi/aware/cts/SingleDeviceTest.java
+++ b/tests/cts/net/src/android/net/wifi/aware/cts/SingleDeviceTest.java
@@ -16,17 +16,22 @@
package android.net.wifi.aware.cts;
-import static android.net.wifi.aware.cts.TestUtils.shouldTestWifiAware;
-
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.wifi.WifiManager;
+import android.net.wifi.aware.AttachCallback;
import android.net.wifi.aware.Characteristics;
+import android.net.wifi.aware.IdentityChangedListener;
import android.net.wifi.aware.WifiAwareManager;
+import android.net.wifi.aware.WifiAwareSession;
import android.test.AndroidTestCase;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
@@ -35,15 +40,20 @@
* device to validate Wi-Fi Aware.
*/
public class SingleDeviceTest extends AndroidTestCase {
- static private final String TAG = "WifiAwareCtsTests";
+ private static final String TAG = "WifiAwareCtsTests";
// wait for Wi-Fi Aware to become available
static private final int WAIT_FOR_AWARE_CHANGE_SECS = 10;
+ private final Object mLock = new Object();
+
private WifiAwareManager mWifiAwareManager;
private WifiManager mWifiManager;
private WifiManager.WifiLock mWifiLock;
+ // used to store any WifiAwareSession allocated during tests - will clean-up after tests
+ private List<WifiAwareSession> mSessions = new ArrayList<>();
+
private class WifiAwareBroadcastReceiver extends BroadcastReceiver {
private CountDownLatch mBlocker = new CountDownLatch(1);
@@ -59,11 +69,92 @@
}
};
+ private class AttachCallbackTest extends AttachCallback {
+ static final int ATTACHED = 0;
+ static final int ATTACH_FAILED = 1;
+ static final int ERROR = 2; // no callback: timeout, interruption
+
+ private CountDownLatch mBlocker = new CountDownLatch(1);
+ private int mCallbackCalled = ERROR; // garbage init
+ private WifiAwareSession mSession = null;
+
+ @Override
+ public void onAttached(WifiAwareSession session) {
+ mCallbackCalled = ATTACHED;
+ mSession = session;
+ synchronized (mLock) {
+ mSessions.add(session);
+ }
+ mBlocker.countDown();
+ }
+
+ @Override
+ public void onAttachFailed() {
+ mCallbackCalled = ATTACH_FAILED;
+ mBlocker.countDown();
+ }
+
+ /**
+ * Waits for any of the callbacks to be called - or an error (timeout, interruption).
+ * Returns one of the ATTACHED, ATTACH_FAILED, or ERROR values.
+ */
+ int waitForAnyCallback() {
+ try {
+ boolean noTimeout = mBlocker.await(WAIT_FOR_AWARE_CHANGE_SECS, TimeUnit.SECONDS);
+ if (noTimeout) {
+ return mCallbackCalled;
+ } else {
+ return ERROR;
+ }
+ } catch (InterruptedException e) {
+ return ERROR;
+ }
+ }
+
+ /**
+ * Access the session created by a callback. Only useful to be called after calling
+ * waitForAnyCallback() and getting the ATTACHED code back.
+ */
+ WifiAwareSession getSession() {
+ return mSession;
+ }
+ }
+
+ private class IdentityChangedListenerTest extends IdentityChangedListener {
+ private CountDownLatch mBlocker = new CountDownLatch(1);
+ private byte[] mMac = null;
+
+ @Override
+ public void onIdentityChanged(byte[] mac) {
+ mMac = mac;
+ mBlocker.countDown();
+ }
+
+ /**
+ * Waits for the listener callback to be called - or an error (timeout, interruption).
+ * Returns true on callback called, false on error (timeout, interruption).
+ */
+ boolean waitForListener() {
+ try {
+ return mBlocker.await(WAIT_FOR_AWARE_CHANGE_SECS, TimeUnit.SECONDS);
+ } catch (InterruptedException e) {
+ return false;
+ }
+ }
+
+ /**
+ * Returns the MAC address of the discovery interface supplied to the triggered callback.
+ */
+ byte[] getMac() {
+ return mMac;
+ }
+ }
+
@Override
protected void setUp() throws Exception {
super.setUp();
- if (!shouldTestWifiAware(getContext())) {
+ if (!TestUtils.shouldTestWifiAware(getContext())) {
return;
}
@@ -92,11 +183,19 @@
@Override
protected void tearDown() throws Exception {
- if (!shouldTestWifiAware(getContext())) {
+ if (!TestUtils.shouldTestWifiAware(getContext())) {
super.tearDown();
return;
}
+ synchronized (mLock) {
+ for (WifiAwareSession session : mSessions) {
+ // no damage from destroying twice (i.e. ok if test cleaned up after itself already)
+ session.destroy();
+ }
+ mSessions.clear();
+ }
+
super.tearDown();
}
@@ -107,7 +206,7 @@
* based on the Wi-Fi Aware protocol.
*/
public void testCharacteristics() {
- if (!shouldTestWifiAware(getContext())) {
+ if (!TestUtils.shouldTestWifiAware(getContext())) {
return;
}
@@ -124,7 +223,7 @@
* correct status.
*/
public void testAvailabilityStatusChange() throws Exception {
- if (!shouldTestWifiAware(getContext())) {
+ if (!TestUtils.shouldTestWifiAware(getContext())) {
return;
}
@@ -149,4 +248,61 @@
receiver2.waitForStateChange());
assertTrue("Wi-Fi Aware is not available (should be)", mWifiAwareManager.isAvailable());
}
+
+ /**
+ * Validate that can attach to Wi-Fi Aware.
+ */
+ public void testAttachNoIdentity() {
+ if (!TestUtils.shouldTestWifiAware(getContext())) {
+ return;
+ }
+
+ AttachCallbackTest attachCb = new AttachCallbackTest();
+ mWifiAwareManager.attach(attachCb, null);
+ int cbCalled = attachCb.waitForAnyCallback();
+ assertEquals("Wi-Fi Aware attach", AttachCallbackTest.ATTACHED, cbCalled);
+
+ WifiAwareSession session = attachCb.getSession();
+ assertNotNull("Wi-Fi Aware session", session);
+
+ session.destroy();
+ }
+
+ /**
+ * Validate that can attach to Wi-Fi Aware and get identity information. Use the identity
+ * information to validate that MAC address changes on every attach.
+ *
+ * Note: relies on no other entity using Wi-Fi Aware during the CTS test. Since if it is used
+ * then the attach/destroy will not correspond to enable/disable and will not result in a new
+ * MAC address being generated.
+ */
+ public void testAttachDiscoveryAddressChanges() {
+ if (!TestUtils.shouldTestWifiAware(getContext())) {
+ return;
+ }
+
+ final int numIterations = 10;
+ Set<TestUtils.MacWrapper> macs = new HashSet<>();
+
+ for (int i = 0; i < numIterations; ++i) {
+ AttachCallbackTest attachCb = new AttachCallbackTest();
+ IdentityChangedListenerTest identityL = new IdentityChangedListenerTest();
+ mWifiAwareManager.attach(attachCb, identityL, null);
+ assertEquals("Wi-Fi Aware attach: iteration " + i, AttachCallbackTest.ATTACHED,
+ attachCb.waitForAnyCallback());
+ assertTrue("Wi-Fi Aware attach: iteration " + i, identityL.waitForListener());
+
+ WifiAwareSession session = attachCb.getSession();
+ assertNotNull("Wi-Fi Aware session: iteration " + i, session);
+
+ byte[] mac = identityL.getMac();
+ assertNotNull("Wi-Fi Aware discovery MAC: iteration " + i, mac);
+
+ session.destroy();
+
+ macs.add(new TestUtils.MacWrapper(mac));
+ }
+
+ assertEquals("", numIterations, macs.size());
+ }
}
diff --git a/tests/cts/net/src/android/net/wifi/aware/cts/TestUtils.java b/tests/cts/net/src/android/net/wifi/aware/cts/TestUtils.java
index ff9a5d2..a12c8bb 100644
--- a/tests/cts/net/src/android/net/wifi/aware/cts/TestUtils.java
+++ b/tests/cts/net/src/android/net/wifi/aware/cts/TestUtils.java
@@ -19,18 +19,51 @@
import android.content.Context;
import android.content.pm.PackageManager;
+import java.util.Arrays;
+
/**
* Test utilities for Wi-Fi Aware CTS test suite.
*/
-public class TestUtils {
+class TestUtils {
static final String TAG = "WifiAwareCtsTests";
/**
* Returns a flag indicating whether or not Wi-Fi Aware should be tested. Wi-Fi Aware
* should be tested if the feature is supported on the current device.
*/
- public static boolean shouldTestWifiAware(Context context) {
+ static boolean shouldTestWifiAware(Context context) {
final PackageManager pm = context.getPackageManager();
return pm.hasSystemFeature(PackageManager.FEATURE_WIFI_AWARE);
}
+
+ /**
+ * Wraps a byte[] (MAC address representation). Intended to provide hash and equality operators
+ * so that the MAC address can be used in containers.
+ */
+ static class MacWrapper {
+ private byte[] mMac;
+
+ MacWrapper(byte[] mac) {
+ mMac = mac;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+
+ if (!(o instanceof MacWrapper)) {
+ return false;
+ }
+
+ MacWrapper lhs = (MacWrapper) o;
+ return Arrays.equals(mMac, lhs.mMac);
+ }
+
+ @Override
+ public int hashCode() {
+ return Arrays.hashCode(mMac);
+ }
+ }
}