Merge "Consolidate a11y unit tests and get them working" into oc-dev

This commit is contained in:
TreeHugger Robot
2017-04-05 21:41:24 +00:00
committed by Android (Google) Code Review
7 changed files with 95 additions and 1105 deletions

View File

@@ -41,6 +41,7 @@ import android.util.Log;
import android.view.IWindow;
import android.view.View;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.util.IntPair;
import java.util.ArrayList;
@@ -126,6 +127,8 @@ public final class AccessibilityManager {
final Handler mHandler;
final Handler.Callback mCallback;
boolean mIsEnabled;
int mRelevantEventTypes = AccessibilityEvent.TYPES_ALL_MASK;
@@ -217,12 +220,12 @@ public final class AccessibilityManager {
// is now off an exception will be thrown. We want to have the exception
// enforcement to guard against apps that fire unnecessary accessibility
// events when accessibility is off.
mHandler.obtainMessage(MyHandler.MSG_SET_STATE, state, 0).sendToTarget();
mHandler.obtainMessage(MyCallback.MSG_SET_STATE, state, 0).sendToTarget();
}
@Override
public void notifyServicesStateChanged() {
mHandler.obtainMessage(MyHandler.MSG_NOTIFY_SERVICES_STATE_CHANGED).sendToTarget();
mHandler.obtainMessage(MyCallback.MSG_NOTIFY_SERVICES_STATE_CHANGED).sendToTarget();
}
@Override
@@ -271,7 +274,8 @@ public final class AccessibilityManager {
public AccessibilityManager(Context context, IAccessibilityManager service, int userId) {
// Constructor can't be chained because we can't create an instance of an inner class
// before calling another constructor.
mHandler = new MyHandler(context.getMainLooper());
mCallback = new MyCallback();
mHandler = new Handler(context.getMainLooper(), mCallback);
mUserId = userId;
synchronized (mLock) {
tryConnectToServiceLocked(service);
@@ -288,6 +292,7 @@ public final class AccessibilityManager {
* @hide
*/
public AccessibilityManager(Handler handler, IAccessibilityManager service, int userId) {
mCallback = new MyCallback();
mHandler = handler;
mUserId = userId;
synchronized (mLock) {
@@ -302,6 +307,14 @@ public final class AccessibilityManager {
return mClient;
}
/**
* @hide
*/
@VisibleForTesting
public Handler.Callback getCallback() {
return mCallback;
}
/**
* Returns if the accessibility in the system is enabled.
*
@@ -711,15 +724,15 @@ public final class AccessibilityManager {
mIsHighTextContrastEnabled = highTextContrastEnabled;
if (wasEnabled != enabled) {
mHandler.sendEmptyMessage(MyHandler.MSG_NOTIFY_ACCESSIBILITY_STATE_CHANGED);
mHandler.sendEmptyMessage(MyCallback.MSG_NOTIFY_ACCESSIBILITY_STATE_CHANGED);
}
if (wasTouchExplorationEnabled != touchExplorationEnabled) {
mHandler.sendEmptyMessage(MyHandler.MSG_NOTIFY_EXPLORATION_STATE_CHANGED);
mHandler.sendEmptyMessage(MyCallback.MSG_NOTIFY_EXPLORATION_STATE_CHANGED);
}
if (wasHighTextContrastEnabled != highTextContrastEnabled) {
mHandler.sendEmptyMessage(MyHandler.MSG_NOTIFY_HIGH_TEXT_CONTRAST_STATE_CHANGED);
mHandler.sendEmptyMessage(MyCallback.MSG_NOTIFY_HIGH_TEXT_CONTRAST_STATE_CHANGED);
}
}
@@ -960,19 +973,15 @@ public final class AccessibilityManager {
}
}
private final class MyHandler extends Handler {
private final class MyCallback implements Handler.Callback {
public static final int MSG_NOTIFY_ACCESSIBILITY_STATE_CHANGED = 1;
public static final int MSG_NOTIFY_EXPLORATION_STATE_CHANGED = 2;
public static final int MSG_NOTIFY_HIGH_TEXT_CONTRAST_STATE_CHANGED = 3;
public static final int MSG_SET_STATE = 4;
public static final int MSG_NOTIFY_SERVICES_STATE_CHANGED = 5;
public MyHandler(Looper looper) {
super(looper, null, false);
}
@Override
public void handleMessage(Message message) {
public boolean handleMessage(Message message) {
switch (message.what) {
case MSG_NOTIFY_ACCESSIBILITY_STATE_CHANGED: {
handleNotifyAccessibilityStateChanged();
@@ -998,6 +1007,7 @@ public final class AccessibilityManager {
}
} break;
}
return true;
}
}
}

View File

@@ -52,20 +52,6 @@
<application>
<uses-library android:name="android.test.runner" />
<service android:name="com.android.server.AccessibilityManagerServiceTest$MyFirstMockAccessibilityService"
android:permission="android.permission.BIND_ACCESSIBILITY_SERVICE">
<intent-filter>
<action android:name="android.accessibilityservice.AccessibilityService"/>
</intent-filter>
</service>
<service android:name="com.android.server.AccessibilityManagerServiceTest$MySecondMockAccessibilityService"
android:permission="android.permission.BIND_ACCESSIBILITY_SERVICE">
<intent-filter>
<action android:name="android.accessibilityservice.AccessibilityService"/>
</intent-filter>
</service>
<service android:name="com.android.server.accounts.TestAccountType1AuthenticatorService"
android:exported="false">
<intent-filter>

View File

@@ -1,762 +0,0 @@
/*
* Copyright (C) 2010 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.server;
import android.accessibilityservice.AccessibilityService;
import android.accessibilityservice.AccessibilityServiceInfo;
import android.content.ComponentName;
import android.content.Context;
import android.content.pm.ServiceInfo;
import android.os.IBinder;
import android.os.Message;
import android.os.ServiceManager;
import android.os.SystemClock;
import android.os.UserHandle;
import android.provider.Settings;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.LargeTest;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityManager;
import android.view.accessibility.IAccessibilityManager;
import android.view.accessibility.IAccessibilityManagerClient;
import com.android.internal.util.IntPair;
/**
* This test exercises the
* {@link com.android.server.accessibility.AccessibilityManagerService} by mocking the
* {@link android.view.accessibility.AccessibilityManager} which talks to to the
* service. The service itself is interacting with the platform. Note: Testing
* the service in full isolation would require significant amount of work for
* mocking all system interactions. It would also require a lot of mocking code.
*/
public class AccessibilityManagerServiceTest extends AndroidTestCase {
/**
* Timeout required for pending Binder calls or event processing to
* complete.
*/
private static final long TIMEOUT_BINDER_CALL = 100;
/**
* Timeout in which we are waiting for the system to start the mock
* accessibility services.
*/
private static final long TIMEOUT_START_MOCK_ACCESSIBILITY_SERVICES = 1000;
/**
* Timeout used for testing that a service is notified only upon a
* notification timeout.
*/
private static final long TIMEOUT_TEST_NOTIFICATION_TIMEOUT = 300;
/**
* The interface used to talk to the tested service.
*/
private IAccessibilityManager mManagerService;
@Override
protected void setUp() throws Exception {
// Reset the state.
ensureOnlyMockServicesEnabled(getContext(), false, false);
}
@Override
public void setContext(Context context) {
super.setContext(context);
if (MyFirstMockAccessibilityService.sComponentName == null) {
MyFirstMockAccessibilityService.sComponentName = new ComponentName(
context.getPackageName(), MyFirstMockAccessibilityService.class.getName())
.flattenToShortString();
}
if (MySecondMockAccessibilityService.sComponentName == null) {
MySecondMockAccessibilityService.sComponentName = new ComponentName(
context.getPackageName(), MySecondMockAccessibilityService.class.getName())
.flattenToShortString();
}
}
/**
* Creates a new instance.
*/
public AccessibilityManagerServiceTest() {
IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE);
mManagerService = IAccessibilityManager.Stub.asInterface(iBinder);
}
@LargeTest
public void testAddClient_AccessibilityDisabledThenEnabled() throws Exception {
// at least some service must be enabled, otherwise accessibility will always be disabled.
ensureOnlyMockServicesEnabled(mContext, true, false);
// make sure accessibility is disabled
ensureAccessibilityEnabled(mContext, false);
// create a client mock instance
MyMockAccessibilityManagerClient mockClient = new MyMockAccessibilityManagerClient();
// invoke the method under test
final int stateFlagsDisabled =
IntPair.first(mManagerService.addClient(mockClient, UserHandle.USER_CURRENT));
boolean enabledAccessibilityDisabled =
(stateFlagsDisabled & AccessibilityManager.STATE_FLAG_ACCESSIBILITY_ENABLED) != 0;
// check expected result
assertFalse("The client must be disabled since accessibility is disabled.",
enabledAccessibilityDisabled);
// enable accessibility
ensureAccessibilityEnabled(mContext, true);
// invoke the method under test
final int stateFlagsEnabled =
IntPair.first(mManagerService.addClient(mockClient, UserHandle.USER_CURRENT));
boolean enabledAccessibilityEnabled =
(stateFlagsEnabled & AccessibilityManager.STATE_FLAG_ACCESSIBILITY_ENABLED) != 0;
// check expected result
assertTrue("The client must be enabled since accessibility is enabled.",
enabledAccessibilityEnabled);
}
@LargeTest
public void testAddClient_AccessibilityEnabledThenDisabled() throws Exception {
// at least some service must be enabled, otherwise accessibility will always be disabled.
ensureOnlyMockServicesEnabled(mContext, true, false);
// enable accessibility before registering the client
ensureAccessibilityEnabled(mContext, true);
// create a client mock instance
MyMockAccessibilityManagerClient mockClient = new MyMockAccessibilityManagerClient();
// invoke the method under test
final int stateFlagsEnabled =
IntPair.first(mManagerService.addClient(mockClient, UserHandle.USER_CURRENT));
boolean enabledAccessibilityEnabled =
(stateFlagsEnabled & AccessibilityManager.STATE_FLAG_ACCESSIBILITY_ENABLED) != 0;
// check expected result
assertTrue("The client must be enabled since accessibility is enabled.",
enabledAccessibilityEnabled);
// disable accessibility
ensureAccessibilityEnabled(mContext, false);
// invoke the method under test
final int stateFlagsDisabled =
IntPair.first(mManagerService.addClient(mockClient, UserHandle.USER_CURRENT));
boolean enabledAccessibilityDisabled =
(stateFlagsDisabled & AccessibilityManager.STATE_FLAG_ACCESSIBILITY_ENABLED) != 0;
// check expected result
assertFalse("The client must be disabled since accessibility is disabled.",
enabledAccessibilityDisabled);
}
@LargeTest
public void testGetAccessibilityServicesList() throws Exception {
boolean firstMockServiceInstalled = false;
boolean secondMockServiceInstalled = false;
String packageName = getContext().getPackageName();
String firstMockServiceClassName = MyFirstMockAccessibilityService.class.getName();
String secondMockServiceClassName = MySecondMockAccessibilityService.class.getName();
// look for the two mock services
for (AccessibilityServiceInfo info : mManagerService.getInstalledAccessibilityServiceList(
UserHandle.USER_CURRENT)) {
ServiceInfo serviceInfo = info.getResolveInfo().serviceInfo;
if (packageName.equals(serviceInfo.packageName)) {
if (firstMockServiceClassName.equals(serviceInfo.name)) {
firstMockServiceInstalled = true;
} else if (secondMockServiceClassName.equals(serviceInfo.name)) {
secondMockServiceInstalled = true;
}
}
}
// check expected result
assertTrue("First mock service must be installed", firstMockServiceInstalled);
assertTrue("Second mock service must be installed", secondMockServiceInstalled);
}
@LargeTest
public void testSendAccessibilityEvent_OneService_MatchingPackageAndEventType()
throws Exception {
// enable the mock accessibility service
ensureOnlyMockServicesEnabled(mContext, true, false);
// set the accessibility setting value
ensureAccessibilityEnabled(mContext, true);
// configure the mock service
MockAccessibilityService service = MyFirstMockAccessibilityService.sInstance;
service.setServiceInfo(MockAccessibilityService.createDefaultInfo());
// wait for the binder call to #setService to complete
Thread.sleep(TIMEOUT_BINDER_CALL);
// create and populate an event to be sent
AccessibilityEvent sentEvent = AccessibilityEvent.obtain();
fullyPopulateDefaultAccessibilityEvent(sentEvent);
// set expectations
service.expectEvent(sentEvent);
service.replay();
// send the event
mManagerService.sendAccessibilityEvent(sentEvent, UserHandle.USER_CURRENT);
// verify if all expected methods have been called
assertMockServiceVerifiedWithinTimeout(service);
}
@LargeTest
public void testSendAccessibilityEvent_OneService_NotMatchingPackage() throws Exception {
// enable the mock accessibility service
ensureOnlyMockServicesEnabled(mContext, true, false);
// set the accessibility setting value
ensureAccessibilityEnabled(mContext, true);
// configure the mock service
MockAccessibilityService service = MyFirstMockAccessibilityService.sInstance;
service.setServiceInfo(MockAccessibilityService.createDefaultInfo());
// wait for the binder call to #setService to complete
Thread.sleep(TIMEOUT_BINDER_CALL);
// create and populate an event to be sent
AccessibilityEvent sentEvent = AccessibilityEvent.obtain();
fullyPopulateDefaultAccessibilityEvent(sentEvent);
sentEvent.setPackageName("no.service.registered.for.this.package");
// set expectations
service.replay();
// send the event
mManagerService.sendAccessibilityEvent(sentEvent, UserHandle.USER_CURRENT);
// verify if all expected methods have been called
assertMockServiceVerifiedWithinTimeout(service);
}
@LargeTest
public void testSendAccessibilityEvent_OneService_NotMatchingEventType() throws Exception {
// enable the mock accessibility service
ensureOnlyMockServicesEnabled(mContext, true, false);
// set the accessibility setting value
ensureAccessibilityEnabled(mContext, true);
// configure the mock service
MockAccessibilityService service = MyFirstMockAccessibilityService.sInstance;
service.setServiceInfo(MockAccessibilityService.createDefaultInfo());
// wait for the binder call to #setService to complete
Thread.sleep(TIMEOUT_BINDER_CALL);
// create and populate an event to be sent
AccessibilityEvent sentEvent = AccessibilityEvent.obtain();
fullyPopulateDefaultAccessibilityEvent(sentEvent);
sentEvent.setEventType(AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED);
// set expectations
service.replay();
// send the event
mManagerService.sendAccessibilityEvent(sentEvent, UserHandle.USER_CURRENT);
// verify if all expected methods have been called
assertMockServiceVerifiedWithinTimeout(service);
}
@LargeTest
public void testSendAccessibilityEvent_OneService_NotificationAfterTimeout() throws Exception {
// enable the mock accessibility service
ensureOnlyMockServicesEnabled(mContext, true, false);
// set the accessibility setting value
ensureAccessibilityEnabled(mContext, true);
// configure the mock service
MockAccessibilityService service = MyFirstMockAccessibilityService.sInstance;
AccessibilityServiceInfo info = MockAccessibilityService.createDefaultInfo();
info.notificationTimeout = TIMEOUT_TEST_NOTIFICATION_TIMEOUT;
service.setServiceInfo(info);
// wait for the binder call to #setService to complete
Thread.sleep(TIMEOUT_BINDER_CALL);
// create and populate the first event to be sent
AccessibilityEvent firstEvent = AccessibilityEvent.obtain();
fullyPopulateDefaultAccessibilityEvent(firstEvent);
// create and populate the second event to be sent
AccessibilityEvent secondEvent = AccessibilityEvent.obtain();
fullyPopulateDefaultAccessibilityEvent(secondEvent);
// set expectations
service.expectEvent(secondEvent);
service.replay();
// send the events
mManagerService.sendAccessibilityEvent(firstEvent, UserHandle.USER_CURRENT);
mManagerService.sendAccessibilityEvent(secondEvent, UserHandle.USER_CURRENT);
// wait for #sendAccessibilityEvent to reach the backing service
Thread.sleep(TIMEOUT_BINDER_CALL);
try {
service.verify();
fail("No events must be dispatched before the expiration of the notification timeout.");
} catch (IllegalStateException ise) {
/* expected */
}
// wait for the configured notification timeout to expire
Thread.sleep(TIMEOUT_TEST_NOTIFICATION_TIMEOUT);
// verify if all expected methods have been called
assertMockServiceVerifiedWithinTimeout(service);
}
@LargeTest
public void testSendAccessibilityEvent_TwoServices_MatchingPackageAndEventType_DiffFeedback()
throws Exception {
// enable the mock accessibility services
ensureOnlyMockServicesEnabled(mContext, true, true);
// set the accessibility setting value
ensureAccessibilityEnabled(mContext, true);
// configure the first mock service
MockAccessibilityService firstService = MyFirstMockAccessibilityService.sInstance;
AccessibilityServiceInfo firstInfo = MockAccessibilityService.createDefaultInfo();
firstInfo.feedbackType = AccessibilityServiceInfo.FEEDBACK_AUDIBLE;
firstService.setServiceInfo(firstInfo);
// configure the second mock service
MockAccessibilityService secondService = MySecondMockAccessibilityService.sInstance;
AccessibilityServiceInfo secondInfo = MockAccessibilityService.createDefaultInfo();
secondInfo.feedbackType = AccessibilityServiceInfo.FEEDBACK_HAPTIC;
secondService.setServiceInfo(secondInfo);
// wait for the binder calls to #setService to complete
Thread.sleep(TIMEOUT_BINDER_CALL);
// create and populate an event to be sent
AccessibilityEvent sentEvent = AccessibilityEvent.obtain();
fullyPopulateDefaultAccessibilityEvent(sentEvent);
// set expectations for the first mock service
firstService.expectEvent(sentEvent);
firstService.replay();
// set expectations for the second mock service
secondService.expectEvent(sentEvent);
secondService.replay();
// send the event
mManagerService.sendAccessibilityEvent(sentEvent, UserHandle.USER_CURRENT);
// verify if all expected methods have been called
assertMockServiceVerifiedWithinTimeout(firstService);
assertMockServiceVerifiedWithinTimeout(secondService);
}
@LargeTest
public void testSendAccessibilityEvent_TwoServices_MatchingPackageAndEventType()
throws Exception {
// enable the mock accessibility services
ensureOnlyMockServicesEnabled(mContext, true, true);
// set the accessibility setting value
ensureAccessibilityEnabled(mContext, true);
// configure the first mock service
MockAccessibilityService firstService = MyFirstMockAccessibilityService.sInstance;
firstService.setServiceInfo(MockAccessibilityService.createDefaultInfo());
// configure the second mock service
MockAccessibilityService secondService = MySecondMockAccessibilityService.sInstance;
secondService.setServiceInfo(MockAccessibilityService.createDefaultInfo());
// wait for the binder calls to #setService to complete
Thread.sleep(TIMEOUT_BINDER_CALL);
// create and populate an event to be sent
AccessibilityEvent sentEvent = AccessibilityEvent.obtain();
fullyPopulateDefaultAccessibilityEvent(sentEvent);
// set expectations for the first mock service
firstService.expectEvent(sentEvent);
firstService.replay();
// set expectations for the second mock service
secondService.replay();
// send the event
mManagerService.sendAccessibilityEvent(sentEvent, UserHandle.USER_CURRENT);
// verify if all expected methods have been called
assertMockServiceVerifiedWithinTimeout(firstService);
assertMockServiceVerifiedWithinTimeout(secondService);
}
@LargeTest
public void testSendAccessibilityEvent_TwoServices_MatchingPackageAndEventType_OneDefault()
throws Exception {
// enable the mock accessibility services
ensureOnlyMockServicesEnabled(mContext, true, true);
// set the accessibility setting value
ensureAccessibilityEnabled(mContext, true);
// configure the first mock service
MockAccessibilityService firstService = MyFirstMockAccessibilityService.sInstance;
AccessibilityServiceInfo firstInfo = MyFirstMockAccessibilityService.createDefaultInfo();
firstInfo.flags = AccessibilityServiceInfo.DEFAULT;
firstService.setServiceInfo(firstInfo);
// configure the second mock service
MockAccessibilityService secondService = MySecondMockAccessibilityService.sInstance;
secondService.setServiceInfo(MySecondMockAccessibilityService.createDefaultInfo());
// wait for the binder calls to #setService to complete
Thread.sleep(TIMEOUT_BINDER_CALL);
// create and populate an event to be sent
AccessibilityEvent sentEvent = AccessibilityEvent.obtain();
fullyPopulateDefaultAccessibilityEvent(sentEvent);
// set expectations for the first mock service
firstService.replay();
// set expectations for the second mock service
secondService.expectEvent(sentEvent);
secondService.replay();
// send the event
mManagerService.sendAccessibilityEvent(sentEvent, UserHandle.USER_CURRENT);
// verify if all expected methods have been called
assertMockServiceVerifiedWithinTimeout(firstService);
assertMockServiceVerifiedWithinTimeout(secondService);
}
@LargeTest
public void testSendAccessibilityEvent_TwoServices_MatchingPackageAndEventType_TwoDefault()
throws Exception {
// enable the mock accessibility services
ensureOnlyMockServicesEnabled(mContext, true, true);
// set the accessibility setting value
ensureAccessibilityEnabled(mContext, true);
// configure the first mock service
MockAccessibilityService firstService = MyFirstMockAccessibilityService.sInstance;
AccessibilityServiceInfo firstInfo = MyFirstMockAccessibilityService.createDefaultInfo();
firstInfo.flags = AccessibilityServiceInfo.DEFAULT;
firstService.setServiceInfo(firstInfo);
// configure the second mock service
MockAccessibilityService secondService = MySecondMockAccessibilityService.sInstance;
AccessibilityServiceInfo secondInfo = MyFirstMockAccessibilityService.createDefaultInfo();
secondInfo.flags = AccessibilityServiceInfo.DEFAULT;
secondService.setServiceInfo(firstInfo);
// wait for the binder calls to #setService to complete
Thread.sleep(TIMEOUT_BINDER_CALL);
// create and populate an event to be sent
AccessibilityEvent sentEvent = AccessibilityEvent.obtain();
fullyPopulateDefaultAccessibilityEvent(sentEvent);
// set expectations for the first mock service
firstService.expectEvent(sentEvent);
firstService.replay();
// set expectations for the second mock service
secondService.replay();
// send the event
mManagerService.sendAccessibilityEvent(sentEvent, UserHandle.USER_CURRENT);
// verify if all expected methods have been called
assertMockServiceVerifiedWithinTimeout(firstService);
assertMockServiceVerifiedWithinTimeout(secondService);
}
@LargeTest
public void testInterrupt() throws Exception {
// enable the mock accessibility services
ensureOnlyMockServicesEnabled(mContext, true, true);
// set the accessibility setting value
ensureAccessibilityEnabled(mContext, true);
// configure the first mock service
MockAccessibilityService firstService = MyFirstMockAccessibilityService.sInstance;
firstService.setServiceInfo(MockAccessibilityService.createDefaultInfo());
// configure the second mock service
MockAccessibilityService secondService = MySecondMockAccessibilityService.sInstance;
secondService.setServiceInfo(MockAccessibilityService.createDefaultInfo());
// wait for the binder calls to #setService to complete
Thread.sleep(TIMEOUT_BINDER_CALL);
// set expectations for the first mock service
firstService.expectInterrupt();
firstService.replay();
// set expectations for the second mock service
secondService.expectInterrupt();
secondService.replay();
// call the method under test
mManagerService.interrupt(UserHandle.USER_CURRENT);
// verify if all expected methods have been called
assertMockServiceVerifiedWithinTimeout(firstService);
assertMockServiceVerifiedWithinTimeout(secondService);
}
/**
* Fully populates the {@link AccessibilityEvent} to marshal.
*
* @param sentEvent The event to populate.
*/
private void fullyPopulateDefaultAccessibilityEvent(AccessibilityEvent sentEvent) {
sentEvent.setAddedCount(1);
sentEvent.setBeforeText("BeforeText");
sentEvent.setChecked(true);
sentEvent.setClassName("foo.bar.baz.Class");
sentEvent.setContentDescription("ContentDescription");
sentEvent.setCurrentItemIndex(1);
sentEvent.setEnabled(true);
sentEvent.setEventType(AccessibilityEvent.TYPE_ANNOUNCEMENT);
sentEvent.setEventTime(1000);
sentEvent.setFromIndex(1);
sentEvent.setFullScreen(true);
sentEvent.setItemCount(1);
sentEvent.setPackageName("foo.bar.baz");
sentEvent.setParcelableData(Message.obtain(null, 1, null));
sentEvent.setPassword(true);
sentEvent.setRemovedCount(1);
}
/**
* This class is a mock {@link IAccessibilityManagerClient}.
*/
public class MyMockAccessibilityManagerClient extends IAccessibilityManagerClient.Stub {
int mState;
public void setState(int state) {
mState = state;
}
public void notifyServicesStateChanged() {}
public void setRelevantEventTypes(int eventTypes) {}
public void setTouchExplorationEnabled(boolean enabled) {}
}
/**
* Ensures accessibility is in a given state by writing the state to the
* settings and waiting until the accessibility manager service pick it up.
*
* @param context A context handle to access the settings.
* @param enabled The accessibility state to write to the settings.
* @throws Exception If any error occurs.
*/
private void ensureAccessibilityEnabled(Context context, boolean enabled) throws Exception {
boolean isEnabled = Settings.Secure.getInt(context.getContentResolver(),
Settings.Secure.ACCESSIBILITY_ENABLED, 0) == 1;
if (isEnabled == enabled) {
return;
}
Settings.Secure.putInt(context.getContentResolver(), Settings.Secure.ACCESSIBILITY_ENABLED,
enabled ? 1 : 0);
// wait the accessibility manager service to pick the change up
Thread.sleep(TIMEOUT_BINDER_CALL);
}
/**
* Ensures the only {@link MockAccessibilityService}s with given component
* names are enabled by writing to the system settings and waiting until the
* accessibility manager service picks that up or the
* {@link #TIMEOUT_START_MOCK_ACCESSIBILITY_SERVICES} is exceeded.
*
* @param context A context handle to access the settings.
* @param firstMockServiceEnabled If the first mock accessibility service is enabled.
* @param secondMockServiceEnabled If the second mock accessibility service is enabled.
* @throws IllegalStateException If some of the requested for enabling mock services
* is not properly started.
* @throws Exception Exception If any error occurs.
*/
private void ensureOnlyMockServicesEnabled(Context context, boolean firstMockServiceEnabled,
boolean secondMockServiceEnabled) throws Exception {
String enabledServices = Settings.Secure.getString(context.getContentResolver(),
Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES);
StringBuilder servicesToEnable = new StringBuilder();
if (firstMockServiceEnabled) {
servicesToEnable.append(MyFirstMockAccessibilityService.sComponentName).append(":");
}
if (secondMockServiceEnabled) {
servicesToEnable.append(MySecondMockAccessibilityService.sComponentName).append(":");
}
Settings.Secure.putString(context.getContentResolver(),
Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES, servicesToEnable.toString());
// Optimization. If things will not change, we don't have to do anything.
if (servicesToEnable.equals(enabledServices)) {
return;
}
// we have enabled the services of interest and need to wait until they
// are instantiated and started (if needed) and the system binds to them
boolean firstMockServiceOK = false;
boolean secondMockServiceOK = false;
long start = SystemClock.uptimeMillis();
long pollingInterval = TIMEOUT_START_MOCK_ACCESSIBILITY_SERVICES / 6;
while (SystemClock.uptimeMillis() - start < TIMEOUT_START_MOCK_ACCESSIBILITY_SERVICES) {
firstMockServiceOK = !firstMockServiceEnabled
|| (MyFirstMockAccessibilityService.sInstance != null
&& MyFirstMockAccessibilityService.sInstance.isSystemBoundAsClient());
secondMockServiceOK = !secondMockServiceEnabled
|| (MySecondMockAccessibilityService.sInstance != null
&& MySecondMockAccessibilityService.sInstance.isSystemBoundAsClient());
if (firstMockServiceOK && secondMockServiceOK) {
return;
}
Thread.sleep(pollingInterval);
}
StringBuilder message = new StringBuilder();
message.append("Mock accessibility services not started or system not bound as a client: ");
if (!firstMockServiceOK) {
message.append(MyFirstMockAccessibilityService.sComponentName);
message.append(" ");
}
if (!secondMockServiceOK) {
message.append(MySecondMockAccessibilityService.sComponentName);
}
throw new IllegalStateException(message.toString());
}
/**
* Asserts the the mock accessibility service has been successfully verified
* (which is it has received the expected method calls with expected
* arguments) within the {@link #TIMEOUT_BINDER_CALL}. The verified state is
* checked by polling upon small intervals.
*
* @param service The service to verify.
* @throws Exception If the verification has failed with exception after the
* {@link #TIMEOUT_BINDER_CALL}.
*/
private void assertMockServiceVerifiedWithinTimeout(MockAccessibilityService service)
throws Exception {
Exception lastVerifyException = null;
long beginTime = SystemClock.uptimeMillis();
long pollTimeout = TIMEOUT_BINDER_CALL / 5;
// poll until the timeout has elapsed
while (SystemClock.uptimeMillis() - beginTime < TIMEOUT_BINDER_CALL) {
// sleep first since immediate call will always fail
try {
Thread.sleep(pollTimeout);
} catch (InterruptedException ie) {
/* ignore */
}
// poll for verification and if this fails save the exception and
// keep polling
try {
service.verify();
// reset so it does not accept more events
service.reset();
return;
} catch (Exception e) {
lastVerifyException = e;
}
}
// reset, we have already failed
service.reset();
// always not null
throw lastVerifyException;
}
/**
* This class is the first mock {@link AccessibilityService}.
*/
public static class MyFirstMockAccessibilityService extends MockAccessibilityService {
/**
* The service {@link ComponentName} flattened as a string.
*/
static String sComponentName;
/**
* Handle to the service instance.
*/
static MyFirstMockAccessibilityService sInstance;
/**
* Creates a new instance.
*/
public MyFirstMockAccessibilityService() {
sInstance = this;
}
}
/**
* This class is the first mock {@link AccessibilityService}.
*/
public static class MySecondMockAccessibilityService extends MockAccessibilityService {
/**
* The service {@link ComponentName} flattened as a string.
*/
static String sComponentName;
/**
* Handle to the service instance.
*/
static MySecondMockAccessibilityService sInstance;
/**
* Creates a new instance.
*/
public MySecondMockAccessibilityService() {
sInstance = this;
}
}
}

View File

@@ -1,256 +0,0 @@
/*
* Copyright (C) 2010 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.server;
import android.accessibilityservice.AccessibilityService;
import android.accessibilityservice.AccessibilityServiceInfo;
import android.content.Intent;
import android.os.Message;
import android.view.accessibility.AccessibilityEvent;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Queue;
import junit.framework.TestCase;
/**
* This is the base class for mock {@link AccessibilityService}s.
*/
public abstract class MockAccessibilityService extends AccessibilityService {
/**
* The event this service expects to receive.
*/
private final Queue<AccessibilityEvent> mExpectedEvents = new LinkedList<AccessibilityEvent>();
/**
* Interruption call this service expects to receive.
*/
private boolean mExpectedInterrupt;
/**
* Flag if the mock is currently replaying.
*/
private boolean mReplaying;
/**
* Flag if the system is bound as a client to this service.
*/
private boolean mIsSystemBoundAsClient;
/**
* Creates an {@link AccessibilityServiceInfo} populated with default
* values.
*
* @return The default info.
*/
public static AccessibilityServiceInfo createDefaultInfo() {
AccessibilityServiceInfo defaultInfo = new AccessibilityServiceInfo();
defaultInfo.eventTypes = AccessibilityEvent.TYPE_ANNOUNCEMENT;
defaultInfo.feedbackType = AccessibilityServiceInfo.FEEDBACK_AUDIBLE;
defaultInfo.flags = 0;
defaultInfo.notificationTimeout = 0;
defaultInfo.packageNames = new String[] {
"foo.bar.baz"
};
return defaultInfo;
}
/**
* Starts replaying the mock.
*/
public void replay() {
mReplaying = true;
}
/**
* Verifies if all expected service methods have been called.
*/
public void verify() {
if (!mReplaying) {
throw new IllegalStateException("Did you forget to call replay()");
}
if (mExpectedInterrupt) {
throw new IllegalStateException("Expected call to #interrupt() not received");
}
if (!mExpectedEvents.isEmpty()) {
throw new IllegalStateException("Expected a call to onAccessibilityEvent() for "
+ "events \"" + mExpectedEvents + "\" not received");
}
}
/**
* Resets this instance so it can be reused.
*/
public void reset() {
mExpectedEvents.clear();
mExpectedInterrupt = false;
mReplaying = false;
}
/**
* Sets an expected call to
* {@link #onAccessibilityEvent(AccessibilityEvent)} with given event as
* argument.
*
* @param expectedEvent The expected event argument.
*/
public void expectEvent(AccessibilityEvent expectedEvent) {
mExpectedEvents.add(expectedEvent);
}
/**
* Sets an expected call of {@link #onInterrupt()}.
*/
public void expectInterrupt() {
mExpectedInterrupt = true;
}
@Override
public void onAccessibilityEvent(AccessibilityEvent receivedEvent) {
if (!mReplaying) {
return;
}
if (mExpectedEvents.isEmpty()) {
throw new IllegalStateException("Unexpected event: " + receivedEvent);
}
AccessibilityEvent expectedEvent = mExpectedEvents.poll();
assertEqualsAccessiblityEvent(expectedEvent, receivedEvent);
}
@Override
public void onInterrupt() {
if (!mReplaying) {
return;
}
if (!mExpectedInterrupt) {
throw new IllegalStateException("Unexpected call to onInterrupt()");
}
mExpectedInterrupt = false;
}
@Override
protected void onServiceConnected() {
mIsSystemBoundAsClient = true;
}
@Override
public boolean onUnbind(Intent intent) {
mIsSystemBoundAsClient = false;
return false;
}
/**
* Returns if the system is bound as client to this service.
*
* @return True if the system is bound, false otherwise.
*/
public boolean isSystemBoundAsClient() {
return mIsSystemBoundAsClient;
}
/**
* Compares all properties of the <code>expectedEvent</code> and the
* <code>receviedEvent</code> to verify that the received event is the one
* that is expected.
*/
private void assertEqualsAccessiblityEvent(AccessibilityEvent expectedEvent,
AccessibilityEvent receivedEvent) {
TestCase.assertEquals("addedCount has incorrect value", expectedEvent.getAddedCount(),
receivedEvent.getAddedCount());
TestCase.assertEquals("beforeText has incorrect value", expectedEvent.getBeforeText(),
receivedEvent.getBeforeText());
TestCase.assertEquals("checked has incorrect value", expectedEvent.isChecked(),
receivedEvent.isChecked());
TestCase.assertEquals("className has incorrect value", expectedEvent.getClassName(),
receivedEvent.getClassName());
TestCase.assertEquals("contentDescription has incorrect value", expectedEvent
.getContentDescription(), receivedEvent.getContentDescription());
TestCase.assertEquals("currentItemIndex has incorrect value", expectedEvent
.getCurrentItemIndex(), receivedEvent.getCurrentItemIndex());
TestCase.assertEquals("enabled has incorrect value", expectedEvent.isEnabled(),
receivedEvent.isEnabled());
TestCase.assertEquals("eventType has incorrect value", expectedEvent.getEventType(),
receivedEvent.getEventType());
TestCase.assertEquals("fromIndex has incorrect value", expectedEvent.getFromIndex(),
receivedEvent.getFromIndex());
TestCase.assertEquals("fullScreen has incorrect value", expectedEvent.isFullScreen(),
receivedEvent.isFullScreen());
TestCase.assertEquals("itemCount has incorrect value", expectedEvent.getItemCount(),
receivedEvent.getItemCount());
assertEqualsNotificationAsParcelableData(expectedEvent, receivedEvent);
TestCase.assertEquals("password has incorrect value", expectedEvent.isPassword(),
receivedEvent.isPassword());
TestCase.assertEquals("removedCount has incorrect value", expectedEvent.getRemovedCount(),
receivedEvent.getRemovedCount());
assertEqualsText(expectedEvent, receivedEvent);
}
/**
* Compares the {@link android.os.Parcelable} data of the
* <code>expectedEvent</code> and <code>receivedEvent</code> to verify that
* the received event is the one that is expected.
*/
private void assertEqualsNotificationAsParcelableData(AccessibilityEvent expectedEvent,
AccessibilityEvent receivedEvent) {
String message = "parcelableData has incorrect value";
Message expectedMessage = (Message) expectedEvent.getParcelableData();
Message receivedMessage = (Message) receivedEvent.getParcelableData();
if (expectedMessage == null) {
if (receivedMessage == null) {
return;
}
}
TestCase.assertNotNull(message, receivedMessage);
// we do a very simple sanity check since we do not test Message
TestCase.assertEquals(message, expectedMessage.what, receivedMessage.what);
}
/**
* Compares the text of the <code>expectedEvent</code> and
* <code>receivedEvent</code> by comparing the string representation of the
* corresponding {@link CharSequence}s.
*/
private void assertEqualsText(AccessibilityEvent expectedEvent,
AccessibilityEvent receivedEvent) {
String message = "text has incorrect value";
List<CharSequence> expectedText = expectedEvent.getText();
List<CharSequence> receivedText = receivedEvent.getText();
TestCase.assertEquals(message, expectedText.size(), receivedText.size());
Iterator<CharSequence> expectedTextIterator = expectedText.iterator();
Iterator<CharSequence> receivedTextIterator = receivedText.iterator();
for (int i = 0; i < expectedText.size(); i++) {
// compare the string representation
TestCase.assertEquals(message, expectedTextIterator.next().toString(),
receivedTextIterator.next().toString());
}
}
}

View File

@@ -14,18 +14,24 @@
* limitations under the License.
*/
package com.android.server;
package com.android.server.accessibility;
import static junit.framework.TestCase.assertFalse;
import static junit.framework.TestCase.assertSame;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyInt;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import android.accessibilityservice.AccessibilityServiceInfo;
import android.app.Instrumentation;
import android.os.Looper;
import android.os.UserHandle;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.LargeTest;
import android.test.suitebuilder.annotation.MediumTest;
import android.support.test.InstrumentationRegistry;
import android.support.test.runner.AndroidJUnit4;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityManager;
import android.view.accessibility.IAccessibilityManager;
@@ -33,6 +39,10 @@ import android.view.accessibility.IAccessibilityManagerClient;
import com.android.internal.util.IntPair;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
@@ -40,44 +50,48 @@ import java.util.ArrayList;
import java.util.List;
/**
* Tests for the AccessibilityManager which mocking the backing service.
* Tests for the AccessibilityManager by mocking the backing service.
*/
public class AccessibilityManagerTest extends AndroidTestCase {
@RunWith(AndroidJUnit4.class)
public class AccessibilityManagerTest {
private static final boolean WITH_A11Y_ENABLED = true;
private static final boolean WITH_A11Y_DISABLED = false;
/**
* Timeout required for pending Binder calls or event processing to
* complete.
*/
public static final long TIMEOUT_BINDER_CALL = 50;
@Mock private IAccessibilityManager mMockService;
private MessageCapturingHandler mHandler;
private Instrumentation mInstrumentation;
@Mock
private IAccessibilityManager mMockService;
@BeforeClass
public static void oneTimeInitialization() {
if (Looper.myLooper() == null) {
Looper.prepare();
}
}
@Override
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
mHandler = new MessageCapturingHandler(null);
mInstrumentation = InstrumentationRegistry.getInstrumentation();
}
private AccessibilityManager createManager(boolean enabled) throws Exception {
if (enabled) {
when(mMockService.addClient(any(IAccessibilityManagerClient.class), anyInt()))
.thenReturn(
IntPair.of(AccessibilityManager.STATE_FLAG_ACCESSIBILITY_ENABLED,
AccessibilityEvent.TYPES_ALL_MASK));
} else {
when(mMockService.addClient(any(IAccessibilityManagerClient.class), anyInt()))
.thenReturn(IntPair.of(0, AccessibilityEvent.TYPES_ALL_MASK));
}
long serviceReturnValue = IntPair.of(
(enabled) ? AccessibilityManager.STATE_FLAG_ACCESSIBILITY_ENABLED : 0,
AccessibilityEvent.TYPES_ALL_MASK);
when(mMockService.addClient(any(IAccessibilityManagerClient.class), anyInt()))
.thenReturn(serviceReturnValue);
AccessibilityManager manager =
new AccessibilityManager(mContext, mMockService, UserHandle.USER_CURRENT);
new AccessibilityManager(mHandler, mMockService, UserHandle.USER_CURRENT);
verify(mMockService).addClient(any(IAccessibilityManagerClient.class), anyInt());
mHandler.setCallback(manager.getCallback());
mHandler.sendAllMessages();
return manager;
}
@MediumTest
@Test
public void testGetAccessibilityServiceList() throws Exception {
// create a list of installed accessibility services the mock service returns
List<AccessibilityServiceInfo> expectedServices = new ArrayList<>();
@@ -99,59 +113,50 @@ public class AccessibilityManagerTest extends AndroidTestCase {
assertEquals("All expected services must be returned", expectedServices, receivedServices);
}
@MediumTest
@Test
public void testInterrupt() throws Exception {
AccessibilityManager manager = createManager(true);
AccessibilityManager manager = createManager(WITH_A11Y_ENABLED);
manager.interrupt();
verify(mMockService).interrupt(UserHandle.USER_CURRENT);
}
@LargeTest
@Test
public void testIsEnabled() throws Exception {
// invoke the method under test
AccessibilityManager manager = createManager(true);
boolean isEnabledServiceEnabled = manager.isEnabled();
// Create manager with a11y enabled
AccessibilityManager manager = createManager(WITH_A11Y_ENABLED);
assertTrue("Must be enabled since the mock service is enabled", manager.isEnabled());
// check expected result
assertTrue("Must be enabled since the mock service is enabled", isEnabledServiceEnabled);
// disable accessibility
// Disable accessibility
manager.getClient().setState(0);
// wait for the asynchronous IBinder call to complete
Thread.sleep(TIMEOUT_BINDER_CALL);
// invoke the method under test
boolean isEnabledServcieDisabled = manager.isEnabled();
// check expected result
assertFalse("Must be disabled since the mock service is disabled",
isEnabledServcieDisabled);
mHandler.sendAllMessages();
assertFalse("Must be disabled since the mock service is disabled", manager.isEnabled());
}
@MediumTest
@Test
public void testSendAccessibilityEvent_AccessibilityEnabled() throws Exception {
AccessibilityEvent sentEvent = AccessibilityEvent.obtain();
AccessibilityEvent sentEvent = AccessibilityEvent.obtain(
AccessibilityEvent.TYPE_ANNOUNCEMENT);
AccessibilityManager manager = createManager(true);
AccessibilityManager manager = createManager(WITH_A11Y_ENABLED);
manager.sendAccessibilityEvent(sentEvent);
assertSame("The event should be recycled.", sentEvent, AccessibilityEvent.obtain());
}
@MediumTest
@Test
public void testSendAccessibilityEvent_AccessibilityDisabled() throws Exception {
AccessibilityEvent sentEvent = AccessibilityEvent.obtain();
AccessibilityManager manager = createManager(false /* disabled */);
try {
manager.sendAccessibilityEvent(sentEvent);
fail("No accessibility events are sent if accessibility is disabled");
} catch (IllegalStateException ise) {
// check expected result
assertEquals("Accessibility off. Did you forget to check that?", ise.getMessage());
}
AccessibilityManager manager = createManager(WITH_A11Y_DISABLED);
mInstrumentation.runOnMainSync(() -> {
try {
manager.sendAccessibilityEvent(sentEvent);
fail("No accessibility events are sent if accessibility is disabled");
} catch (IllegalStateException ise) {
// check expected result
assertEquals("Accessibility off. Did you forget to check that?", ise.getMessage());
}
});
}
}

View File

@@ -20,11 +20,12 @@ import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertFalse;
import static org.mockito.Matchers.anyInt;
import static org.mockito.ArgumentMatchers.anyFloat;
import static org.mockito.Matchers.anyObject;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.reset;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
@@ -48,6 +49,7 @@ import android.view.WindowManagerInternal;
import android.view.WindowManagerInternal.MagnificationCallbacks;
import com.android.internal.R;
import org.hamcrest.CoreMatchers;
import org.hamcrest.Description;
import org.hamcrest.TypeSafeMatcher;
@@ -471,9 +473,10 @@ public class MagnificationControllerTest {
public void testResetIfNeeded_doesWhatItSays() {
mMagnificationController.register();
zoomIn2xToMiddle();
reset(mMockAms);
assertTrue(mMagnificationController.resetIfNeeded(false));
verify(mMockAms).notifyMagnificationChanged(
eq(INITIAL_MAGNIFICATION_REGION), eq(1.0f), anyInt(), anyInt());
eq(INITIAL_MAGNIFICATION_REGION), eq(1.0f), anyFloat(), anyFloat());
assertFalse(mMagnificationController.isMagnifying());
assertFalse(mMagnificationController.resetIfNeeded(false));
}

View File

@@ -42,6 +42,10 @@ public class MessageCapturingHandler extends Handler {
return super.sendMessageAtTime(message, uptimeMillis);
}
public void setCallback(Handler.Callback callback) {
mCallback = callback;
}
public void sendOneMessage() {
Message message = timedMessages.remove(0).first;
removeMessages(message.what, message.obj);