| /* |
| * Copyright (C) 2017 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.accessibility; |
| |
| import android.graphics.Region; |
| import android.os.RemoteException; |
| import android.view.MagnificationSpec; |
| import android.view.accessibility.AccessibilityNodeInfo; |
| import android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction; |
| import android.view.accessibility.AccessibilityWindowInfo; |
| import android.view.accessibility.IAccessibilityInteractionConnection; |
| import android.view.accessibility.IAccessibilityInteractionConnectionCallback; |
| |
| import org.hamcrest.BaseMatcher; |
| import org.hamcrest.Description; |
| import org.hamcrest.Matcher; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.ArgumentCaptor; |
| import org.mockito.Captor; |
| import org.mockito.Mock; |
| |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.List; |
| |
| import static android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction.ACTION_ACCESSIBILITY_FOCUS; |
| import static android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction.ACTION_CLEAR_ACCESSIBILITY_FOCUS; |
| import static android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction.ACTION_CLICK; |
| import static android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction.ACTION_COLLAPSE; |
| import static android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction.ACTION_EXPAND; |
| import static android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction.ACTION_CONTEXT_CLICK; |
| import static junit.framework.TestCase.assertTrue; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotEquals; |
| import static org.junit.Assert.assertThat; |
| import static org.mockito.Matchers.anyInt; |
| import static org.mockito.Matchers.anyObject; |
| import static org.mockito.Matchers.eq; |
| import static org.mockito.Mockito.doThrow; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.verifyNoMoreInteractions; |
| import static org.mockito.MockitoAnnotations.initMocks; |
| |
| /** |
| * Tests for ActionReplacingCallback |
| */ |
| public class ActionReplacingCallbackTest { |
| private static final int INTERACTION_ID = 0xBEEF; |
| private static final int INTERROGATING_PID = 0xFEED; |
| private static final int APP_WINDOW_ID = 0xACE; |
| private static final int NON_ROOT_NODE_ID = 0xAAAA5555; |
| private static final long INTERROGATING_TID = 0x1234FACE; |
| |
| // We expect both the replacer actions and a11y focus actions to appear |
| private static final AccessibilityAction[] REQUIRED_ACTIONS_ON_ROOT_TO_SERVICE = |
| {ACTION_CLICK, ACTION_EXPAND, ACTION_ACCESSIBILITY_FOCUS, |
| ACTION_CLEAR_ACCESSIBILITY_FOCUS}; |
| |
| private static final Matcher<AccessibilityNodeInfo> HAS_NO_ACTIONS = |
| new BaseMatcher<AccessibilityNodeInfo>() { |
| @Override |
| public boolean matches(Object o) { |
| AccessibilityNodeInfo node = (AccessibilityNodeInfo) o; |
| if (!node.getActionList().isEmpty()) return false; |
| return (!node.isScrollable() && !node.isLongClickable() && !node.isClickable() |
| && !node.isContextClickable() && !node.isDismissable() && !node.isFocusable()); |
| } |
| |
| @Override |
| public void describeTo(Description description) { |
| description.appendText("Has no actions"); |
| } |
| }; |
| |
| private static final Matcher<AccessibilityNodeInfo> HAS_EXPECTED_ACTIONS_ON_ROOT = |
| new BaseMatcher<AccessibilityNodeInfo>() { |
| @Override |
| public boolean matches(Object o) { |
| AccessibilityNodeInfo node = (AccessibilityNodeInfo) o; |
| List<AccessibilityAction> actions = node.getActionList(); |
| if ((actions.size() != 4) || !actions.contains(ACTION_CLICK) |
| || !actions.contains(ACTION_EXPAND) |
| || !actions.contains(ACTION_ACCESSIBILITY_FOCUS)) { |
| return false; |
| } |
| return (!node.isScrollable() && !node.isLongClickable() |
| && !node.isLongClickable() && node.isClickable() |
| && !node.isContextClickable() && !node.isDismissable() |
| && !node.isFocusable()); |
| } |
| |
| @Override |
| public void describeTo(Description description) { |
| description.appendText("Has only 4 actions expected on root"); |
| } |
| }; |
| |
| @Mock IAccessibilityInteractionConnectionCallback mMockServiceCallback; |
| @Mock IAccessibilityInteractionConnection mMockReplacerConnection; |
| |
| @Captor private ArgumentCaptor<Integer> mInteractionIdCaptor; |
| @Captor private ArgumentCaptor<AccessibilityNodeInfo> mInfoCaptor; |
| @Captor private ArgumentCaptor<List<AccessibilityNodeInfo>> mInfoListCaptor; |
| |
| private ActionReplacingCallback mActionReplacingCallback; |
| private int mReplacerInteractionId; |
| |
| @Before |
| public void setUp() throws RemoteException { |
| initMocks(this); |
| mActionReplacingCallback = new ActionReplacingCallback( |
| mMockServiceCallback, mMockReplacerConnection, INTERACTION_ID, INTERROGATING_PID, |
| INTERROGATING_TID); |
| verify(mMockReplacerConnection).findAccessibilityNodeInfoByAccessibilityId( |
| eq(AccessibilityNodeInfo.ROOT_NODE_ID), (Region) anyObject(), |
| mInteractionIdCaptor.capture(), eq(mActionReplacingCallback), eq(0), |
| eq(INTERROGATING_PID), eq(INTERROGATING_TID), (MagnificationSpec) anyObject(), |
| eq(null)); |
| mReplacerInteractionId = mInteractionIdCaptor.getValue().intValue(); |
| } |
| |
| @Test |
| public void testConstructor_registersToGetRootNodeOfActionReplacer() throws RemoteException { |
| assertNotEquals(INTERACTION_ID, mReplacerInteractionId); |
| verifyNoMoreInteractions(mMockServiceCallback); |
| } |
| |
| @Test |
| public void testCallbacks_singleRootNodeThenReplacer_returnsNodeWithReplacedActions() |
| throws RemoteException { |
| AccessibilityNodeInfo infoFromApp = AccessibilityNodeInfo.obtain(); |
| infoFromApp.setSourceNodeId(AccessibilityNodeInfo.ROOT_NODE_ID, APP_WINDOW_ID); |
| infoFromApp.addAction(ACTION_CONTEXT_CLICK); |
| mActionReplacingCallback.setFindAccessibilityNodeInfoResult(infoFromApp, INTERACTION_ID); |
| verifyNoMoreInteractions(mMockServiceCallback); |
| |
| mActionReplacingCallback.setFindAccessibilityNodeInfosResult(getReplacerNodes(), |
| mReplacerInteractionId); |
| |
| verify(mMockServiceCallback).setFindAccessibilityNodeInfoResult(mInfoCaptor.capture(), |
| eq(INTERACTION_ID)); |
| AccessibilityNodeInfo infoSentToService = mInfoCaptor.getValue(); |
| assertEquals(AccessibilityNodeInfo.ROOT_NODE_ID, infoSentToService.getSourceNodeId()); |
| assertThat(infoSentToService, HAS_EXPECTED_ACTIONS_ON_ROOT); |
| } |
| |
| @Test |
| public void testCallbacks_singleNonrootNodeThenReplacer_returnsNodeWithNoActions() |
| throws RemoteException { |
| AccessibilityNodeInfo infoFromApp = AccessibilityNodeInfo.obtain(); |
| infoFromApp.setSourceNodeId(NON_ROOT_NODE_ID, APP_WINDOW_ID); |
| infoFromApp.addAction(ACTION_CONTEXT_CLICK); |
| mActionReplacingCallback.setFindAccessibilityNodeInfoResult(infoFromApp, INTERACTION_ID); |
| verifyNoMoreInteractions(mMockServiceCallback); |
| |
| mActionReplacingCallback.setFindAccessibilityNodeInfosResult(getReplacerNodes(), |
| mReplacerInteractionId); |
| |
| verify(mMockServiceCallback).setFindAccessibilityNodeInfoResult(mInfoCaptor.capture(), |
| eq(INTERACTION_ID)); |
| AccessibilityNodeInfo infoSentToService = mInfoCaptor.getValue(); |
| assertEquals(NON_ROOT_NODE_ID, infoSentToService.getSourceNodeId()); |
| assertThat(infoSentToService, HAS_NO_ACTIONS); |
| } |
| |
| @Test |
| public void testCallbacks_replacerThenSingleRootNode_returnsNodeWithReplacedActions() |
| throws RemoteException { |
| mActionReplacingCallback.setFindAccessibilityNodeInfosResult(getReplacerNodes(), |
| mReplacerInteractionId); |
| verifyNoMoreInteractions(mMockServiceCallback); |
| |
| AccessibilityNodeInfo infoFromApp = AccessibilityNodeInfo.obtain(); |
| infoFromApp.setSourceNodeId(AccessibilityNodeInfo.ROOT_NODE_ID, APP_WINDOW_ID); |
| infoFromApp.addAction(ACTION_CONTEXT_CLICK); |
| mActionReplacingCallback.setFindAccessibilityNodeInfoResult(infoFromApp, INTERACTION_ID); |
| |
| verify(mMockServiceCallback).setFindAccessibilityNodeInfoResult(mInfoCaptor.capture(), |
| eq(INTERACTION_ID)); |
| AccessibilityNodeInfo infoSentToService = mInfoCaptor.getValue(); |
| assertEquals(AccessibilityNodeInfo.ROOT_NODE_ID, infoSentToService.getSourceNodeId()); |
| assertThat(infoSentToService, HAS_EXPECTED_ACTIONS_ON_ROOT); |
| } |
| |
| @Test |
| public void testCallbacks_multipleNodesThenReplacer_clearsActionsAndAddsSomeToRoot() |
| throws RemoteException { |
| mActionReplacingCallback |
| .setFindAccessibilityNodeInfosResult(getAppNodeList(), INTERACTION_ID); |
| verifyNoMoreInteractions(mMockServiceCallback); |
| |
| mActionReplacingCallback.setFindAccessibilityNodeInfosResult(getReplacerNodes(), |
| mReplacerInteractionId); |
| |
| verify(mMockServiceCallback).setFindAccessibilityNodeInfosResult(mInfoListCaptor.capture(), |
| eq(INTERACTION_ID)); |
| assertEquals(2, mInfoListCaptor.getValue().size()); |
| AccessibilityNodeInfo rootInfoSentToService = getNodeWithIdFromList( |
| mInfoListCaptor.getValue(), AccessibilityNodeInfo.ROOT_NODE_ID); |
| AccessibilityNodeInfo otherInfoSentToService = getNodeWithIdFromList( |
| mInfoListCaptor.getValue(), NON_ROOT_NODE_ID); |
| assertThat(rootInfoSentToService, HAS_EXPECTED_ACTIONS_ON_ROOT); |
| assertThat(otherInfoSentToService, HAS_NO_ACTIONS); |
| } |
| |
| @Test |
| public void testCallbacks_replacerThenMultipleNodes_clearsActionsAndAddsSomeToRoot() |
| throws RemoteException { |
| mActionReplacingCallback.setFindAccessibilityNodeInfosResult(getReplacerNodes(), |
| mReplacerInteractionId); |
| verifyNoMoreInteractions(mMockServiceCallback); |
| |
| mActionReplacingCallback |
| .setFindAccessibilityNodeInfosResult(getAppNodeList(), INTERACTION_ID); |
| |
| verify(mMockServiceCallback).setFindAccessibilityNodeInfosResult(mInfoListCaptor.capture(), |
| eq(INTERACTION_ID)); |
| assertEquals(2, mInfoListCaptor.getValue().size()); |
| AccessibilityNodeInfo rootInfoSentToService = getNodeWithIdFromList( |
| mInfoListCaptor.getValue(), AccessibilityNodeInfo.ROOT_NODE_ID); |
| AccessibilityNodeInfo otherInfoSentToService = getNodeWithIdFromList( |
| mInfoListCaptor.getValue(), NON_ROOT_NODE_ID); |
| assertThat(rootInfoSentToService, HAS_EXPECTED_ACTIONS_ON_ROOT); |
| assertThat(otherInfoSentToService, HAS_NO_ACTIONS); |
| } |
| |
| @Test |
| public void testConstructor_actionReplacerThrowsException_passesDataToService() |
| throws RemoteException { |
| doThrow(RemoteException.class).when(mMockReplacerConnection) |
| .findAccessibilityNodeInfoByAccessibilityId(eq(AccessibilityNodeInfo.ROOT_NODE_ID), |
| (Region) anyObject(), anyInt(), (ActionReplacingCallback) anyObject(), |
| eq(0), eq(INTERROGATING_PID), eq(INTERROGATING_TID), |
| (MagnificationSpec) anyObject(), eq(null)); |
| ActionReplacingCallback actionReplacingCallback = new ActionReplacingCallback( |
| mMockServiceCallback, mMockReplacerConnection, INTERACTION_ID, INTERROGATING_PID, |
| INTERROGATING_TID); |
| |
| verifyNoMoreInteractions(mMockServiceCallback); |
| AccessibilityNodeInfo infoFromApp = AccessibilityNodeInfo.obtain(); |
| infoFromApp.setSourceNodeId(AccessibilityNodeInfo.ROOT_NODE_ID, APP_WINDOW_ID); |
| infoFromApp.addAction(ACTION_CONTEXT_CLICK); |
| infoFromApp.setContextClickable(true); |
| actionReplacingCallback.setFindAccessibilityNodeInfoResult(infoFromApp, INTERACTION_ID); |
| |
| verify(mMockServiceCallback).setFindAccessibilityNodeInfoResult(mInfoCaptor.capture(), |
| eq(INTERACTION_ID)); |
| AccessibilityNodeInfo infoSentToService = mInfoCaptor.getValue(); |
| assertEquals(AccessibilityNodeInfo.ROOT_NODE_ID, infoSentToService.getSourceNodeId()); |
| assertThat(infoSentToService, HAS_NO_ACTIONS); |
| } |
| |
| @Test |
| public void testSetPerformAccessibilityActionResult_actsAsPassThrough() throws RemoteException { |
| mActionReplacingCallback.setPerformAccessibilityActionResult(true, INTERACTION_ID); |
| verify(mMockServiceCallback).setPerformAccessibilityActionResult(true, INTERACTION_ID); |
| mActionReplacingCallback.setPerformAccessibilityActionResult(false, INTERACTION_ID); |
| verify(mMockServiceCallback).setPerformAccessibilityActionResult(false, INTERACTION_ID); |
| } |
| |
| |
| private List<AccessibilityNodeInfo> getReplacerNodes() { |
| AccessibilityNodeInfo root = AccessibilityNodeInfo.obtain(); |
| root.setSourceNodeId(AccessibilityNodeInfo.ROOT_NODE_ID, |
| AccessibilityWindowInfo.PICTURE_IN_PICTURE_ACTION_REPLACER_WINDOW_ID); |
| root.addAction(ACTION_CLICK); |
| root.addAction(ACTION_EXPAND); |
| root.setClickable(true); |
| |
| // Second node should have no effect |
| AccessibilityNodeInfo other = AccessibilityNodeInfo.obtain(); |
| other.setSourceNodeId(NON_ROOT_NODE_ID, |
| AccessibilityWindowInfo.PICTURE_IN_PICTURE_ACTION_REPLACER_WINDOW_ID); |
| other.addAction(ACTION_COLLAPSE); |
| |
| return Arrays.asList(root, other); |
| } |
| |
| private AccessibilityNodeInfo getNodeWithIdFromList( |
| List<AccessibilityNodeInfo> infos, long id) { |
| for (AccessibilityNodeInfo info : infos) { |
| if (info.getSourceNodeId() == id) { |
| return info; |
| } |
| } |
| assertTrue("Didn't find node", false); |
| return null; |
| } |
| |
| private List<AccessibilityNodeInfo> getAppNodeList() { |
| AccessibilityNodeInfo rootInfoFromApp = AccessibilityNodeInfo.obtain(); |
| rootInfoFromApp.setSourceNodeId(AccessibilityNodeInfo.ROOT_NODE_ID, APP_WINDOW_ID); |
| rootInfoFromApp.addAction(ACTION_CONTEXT_CLICK); |
| AccessibilityNodeInfo otherInfoFromApp = AccessibilityNodeInfo.obtain(); |
| otherInfoFromApp.setSourceNodeId(NON_ROOT_NODE_ID, APP_WINDOW_ID); |
| otherInfoFromApp.addAction(ACTION_CLICK); |
| return Arrays.asList(rootInfoFromApp, otherInfoFromApp); |
| } |
| } |