1/* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17package com.android.keyguard; 18 19import static org.junit.Assert.assertFalse; 20import static org.junit.Assert.assertTrue; 21 22import android.support.test.filters.SmallTest; 23import android.text.TextUtils; 24import android.view.accessibility.AccessibilityEvent; 25import android.view.accessibility.AccessibilityNodeInfo; 26import android.widget.TextView; 27 28import com.android.systemui.SysuiTestCase; 29 30import org.junit.Before; 31import org.junit.Test; 32 33import java.util.List; 34 35@SmallTest 36public class KeyguardClockAccessibilityDelegateTest extends SysuiTestCase { 37 38 private TextView mView; 39 40 @Before 41 public void setUp() throws Exception { 42 mView = new TextView(mContext); 43 mView.setText(R.string.keyguard_widget_12_hours_format); 44 mView.setContentDescription(mContext.getString(R.string.keyguard_widget_12_hours_format)); 45 mView.setAccessibilityDelegate(new KeyguardClockAccessibilityDelegate(mContext)); 46 } 47 48 @Test 49 public void onInitializeAccessibilityEvent_producesNonEmptyAsciiContentDesc() throws Exception { 50 AccessibilityEvent ev = AccessibilityEvent.obtain(); 51 mView.onInitializeAccessibilityEvent(ev); 52 53 assertFalse(TextUtils.isEmpty(ev.getContentDescription())); 54 assertTrue(isAscii(ev.getContentDescription())); 55 } 56 57 @Test 58 public void onPopulateAccessibilityEvent_producesNonEmptyAsciiText() throws Exception { 59 AccessibilityEvent ev = AccessibilityEvent.obtain(); 60 mView.onPopulateAccessibilityEvent(ev); 61 62 assertFalse(isEmpty(ev.getText())); 63 assertTrue(isAscii(ev.getText())); 64 } 65 66 @Test 67 public void onInitializeAccessibilityNodeInfo_producesNonEmptyAsciiText() throws Exception { 68 AccessibilityNodeInfo info = AccessibilityNodeInfo.obtain(); 69 // Usually done in View.onInitializeAccessibilityNodeInfoInternal, but only when attached. 70 info.setContentDescription(mView.getContentDescription()); 71 mView.onInitializeAccessibilityNodeInfo(info); 72 73 assertFalse(TextUtils.isEmpty(info.getText())); 74 assertTrue(isAscii(info.getText())); 75 76 assertFalse(TextUtils.isEmpty(info.getContentDescription())); 77 assertTrue(isAscii(info.getContentDescription())); 78 } 79 80 private boolean isAscii(CharSequence text) { 81 return text.chars().allMatch((i) -> i < 128); 82 } 83 84 private boolean isAscii(List<CharSequence> texts) { 85 return texts.stream().allMatch(this::isAscii); 86 } 87 88 private boolean isEmpty(List<CharSequence> texts) { 89 return texts.stream().allMatch(TextUtils::isEmpty); 90 } 91}