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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.documentsui.services;
     18 
     19 import static junit.framework.Assert.assertEquals;
     20 import static junit.framework.Assert.assertNotNull;
     21 import static junit.framework.Assert.assertTrue;
     22 
     23 import android.app.Notification;
     24 import android.app.NotificationManager;
     25 import android.util.SparseArray;
     26 
     27 import org.mockito.Mockito;
     28 import org.mockito.invocation.InvocationOnMock;
     29 import org.mockito.stubbing.Answer;
     30 
     31 import java.util.HashMap;
     32 
     33 class TestNotificationManager {
     34 
     35     private final TestForegroundManager mForegroundManager;
     36     private final SparseArray<HashMap<String, Notification>> mNotifications = new SparseArray<>();
     37     private final Answer<Void> mAnswer = this::invoke;
     38 
     39     TestNotificationManager(TestForegroundManager foregroundManager) {
     40         assert(foregroundManager != null);
     41         mForegroundManager = foregroundManager;
     42     }
     43 
     44     private void notify(String tag, int id, Notification notification) {
     45         if (notification == mForegroundManager.getForegroundNotification()
     46                 && id != mForegroundManager.getForegroundId()) {
     47             throw new IllegalStateException("Mismatching ID and notification.");
     48         }
     49 
     50         if (mNotifications.get(id) == null) {
     51             mNotifications.put(id, new HashMap<>());
     52         }
     53 
     54         mNotifications.get(id).put(tag, notification);
     55     }
     56 
     57     private void cancel(String tag, int id) {
     58         final HashMap<String, Notification> idMap = mNotifications.get(id);
     59         if (idMap != null && idMap.containsKey(tag)) {
     60             final Notification notification = idMap.get(tag);
     61             // Only cancel non-foreground notification
     62             if (mForegroundManager.getForegroundNotification() != notification) {
     63                 idMap.remove(tag);
     64             }
     65         }
     66     }
     67 
     68     private Void invoke(InvocationOnMock invocation) {
     69         Object[] args = invocation.getArguments();
     70         switch (invocation.getMethod().getName()) {
     71             case "notify":
     72                 if (args.length == 2) {
     73                     notify(null, (Integer) args[0], (Notification) args[1]);
     74                 }
     75                 if (args.length == 3) {
     76                     notify((String) args[0], (Integer) args[1], (Notification) args[2]);
     77                 }
     78                 break;
     79             case "cancel":
     80                 if (args.length == 1) {
     81                     cancel(null, (Integer) args[0]);
     82                 }
     83                 if (args.length == 2) {
     84                     cancel((String) args[0], (Integer) args[1]);
     85                 }
     86                 break;
     87         }
     88         return null;
     89     }
     90 
     91     NotificationManager createNotificationManager() {
     92         return Mockito.mock(NotificationManager.class, mAnswer);
     93     }
     94 
     95     void assertNumberOfNotifications(int expect) {
     96         int count = 0;
     97         for (int i = 0; i < mNotifications.size(); ++i) {
     98             count += mNotifications.valueAt(i).size();
     99         }
    100 
    101         assertEquals(expect, count);
    102     }
    103 }
    104