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      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 
     17 package com.android.keyguard;
     18 
     19 import static org.junit.Assert.assertEquals;
     20 import static org.junit.Assert.assertFalse;
     21 import static org.junit.Assert.assertTrue;
     22 
     23 import android.text.TextUtils;
     24 import android.view.accessibility.AccessibilityEvent;
     25 import android.view.accessibility.AccessibilityNodeInfo;
     26 import android.widget.TextView;
     27 
     28 import androidx.test.filters.SmallTest;
     29 
     30 import com.android.systemui.SysuiTestCase;
     31 
     32 import org.junit.Before;
     33 import org.junit.Test;
     34 
     35 import java.util.List;
     36 
     37 @SmallTest
     38 public class KeyguardClockAccessibilityDelegateTest extends SysuiTestCase {
     39 
     40     private TextView mView;
     41     private String m12HoursFormat;
     42     private String m24HoursFormat;
     43 
     44     @Before
     45     public void setUp() throws Exception {
     46         m12HoursFormat = mContext.getString(R.string.keyguard_widget_12_hours_format);
     47         m24HoursFormat = mContext.getString(R.string.keyguard_widget_24_hours_format);
     48 
     49         mView = new TextView(mContext);
     50         mView.setText(m12HoursFormat);
     51         mView.setContentDescription(m12HoursFormat);
     52         mView.setAccessibilityDelegate(new KeyguardClockAccessibilityDelegate(mContext));
     53     }
     54 
     55     @Test
     56     public void onInitializeAccessibilityEvent_producesNonEmptyAsciiContentDesc() throws Exception {
     57         AccessibilityEvent ev = AccessibilityEvent.obtain();
     58         mView.onInitializeAccessibilityEvent(ev);
     59 
     60         assertFalse(TextUtils.isEmpty(ev.getContentDescription()));
     61         assertTrue(isAscii(ev.getContentDescription()));
     62     }
     63 
     64     @Test
     65     public void onPopulateAccessibilityEvent_producesNonEmptyAsciiText() throws Exception {
     66         AccessibilityEvent ev = AccessibilityEvent.obtain();
     67         mView.onPopulateAccessibilityEvent(ev);
     68 
     69         assertFalse(isEmpty(ev.getText()));
     70         assertTrue(isAscii(ev.getText()));
     71     }
     72 
     73     @Test
     74     public void onInitializeAccessibilityNodeInfo_producesNonEmptyAsciiText() throws Exception {
     75         AccessibilityNodeInfo info = AccessibilityNodeInfo.obtain();
     76         // Usually done in View.onInitializeAccessibilityNodeInfoInternal, but only when attached.
     77         info.setContentDescription(mView.getContentDescription());
     78         mView.onInitializeAccessibilityNodeInfo(info);
     79 
     80         assertFalse(TextUtils.isEmpty(info.getText()));
     81         assertTrue(isAscii(info.getText()));
     82 
     83         assertFalse(TextUtils.isEmpty(info.getContentDescription()));
     84         assertTrue(isAscii(info.getContentDescription()));
     85     }
     86 
     87     @Test
     88     public void isNeeded_returnsTrueIfDateFormatsContainNonAscii() {
     89         if (!isAscii(m12HoursFormat) || !isAscii(m24HoursFormat)) {
     90             assertTrue(KeyguardClockAccessibilityDelegate.isNeeded(mContext));
     91         }
     92     }
     93 
     94     @Test
     95     public void isNeeded_returnsWhetherFancyColonExists() {
     96         boolean hasFancyColon = !TextUtils.isEmpty(mContext.getString(
     97                 R.string.keyguard_fancy_colon));
     98 
     99         assertEquals(hasFancyColon, KeyguardClockAccessibilityDelegate.isNeeded(mContext));
    100     }
    101 
    102     private boolean isAscii(CharSequence text) {
    103         return text.chars().allMatch((i) -> i < 128);
    104     }
    105 
    106     private boolean isAscii(List<CharSequence> texts) {
    107         return texts.stream().allMatch(this::isAscii);
    108     }
    109 
    110     private boolean isEmpty(List<CharSequence> texts) {
    111         return texts.stream().allMatch(TextUtils::isEmpty);
    112     }
    113 }