1 /*
2  * Copyright (C) 2016 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;
18 
19 import static org.mockito.Mockito.spy;
20 
21 import android.os.Handler;
22 import android.os.Looper;
23 import android.util.Log;
24 
25 import com.android.internal.telephony.PhoneConfigurationManager;
26 
27 import org.mockito.MockitoAnnotations;
28 
29 import java.util.concurrent.CountDownLatch;
30 import java.util.concurrent.Executor;
31 import java.util.concurrent.TimeUnit;
32 
33 /**
34  * Helper class to load Mockito Resources into a test.
35  */
36 public class TelephonyTestBase {
37 
38     protected TestContext mContext;
39 
setUp()40     public void setUp() throws Exception {
41         MockitoAnnotations.initMocks(this);
42         mContext = spy(new TestContext());
43         // Set up the looper if it does not exist on the test thread.
44         if (Looper.myLooper() == null) {
45             Looper.prepare();
46             // Wait until the looper is not null anymore
47             for(int i = 0; i < 5; i++) {
48                 if (Looper.myLooper() != null) {
49                     break;
50                 }
51                 Looper.prepare();
52                 Thread.sleep(100);
53             }
54         }
55     }
56 
tearDown()57     public void tearDown() throws Exception {
58         // Ensure there are no static references to handlers after test completes.
59         PhoneConfigurationManager.unregisterAllMultiSimConfigChangeRegistrants();
60     }
61 
waitForExecutorAction(Executor executor, long timeoutMillis)62     protected final boolean waitForExecutorAction(Executor executor, long timeoutMillis) {
63         final CountDownLatch lock = new CountDownLatch(1);
64         executor.execute(() -> {
65             lock.countDown();
66         });
67         while (lock.getCount() > 0) {
68             try {
69                 return lock.await(timeoutMillis, TimeUnit.MILLISECONDS);
70             } catch (InterruptedException e) {
71                 // do nothing
72             }
73         }
74         return true;
75     }
76 
waitForHandlerAction(Handler h, long timeoutMillis)77     protected final void waitForHandlerAction(Handler h, long timeoutMillis) {
78         final CountDownLatch lock = new CountDownLatch(1);
79         h.post(lock::countDown);
80         while (lock.getCount() > 0) {
81             try {
82                 lock.await(timeoutMillis, TimeUnit.MILLISECONDS);
83             } catch (InterruptedException e) {
84                 // do nothing
85             }
86         }
87     }
88 
waitForHandlerActionDelayed(Handler h, long timeoutMillis, long delayMs)89     protected final void waitForHandlerActionDelayed(Handler h, long timeoutMillis, long delayMs) {
90         final CountDownLatch lock = new CountDownLatch(1);
91         h.postDelayed(lock::countDown, delayMs);
92         while (lock.getCount() > 0) {
93             try {
94                 lock.await(timeoutMillis, TimeUnit.MILLISECONDS);
95             } catch (InterruptedException e) {
96                 // do nothing
97             }
98         }
99     }
100 
waitForMs(long ms)101     protected void waitForMs(long ms) {
102         try {
103             Thread.sleep(ms);
104         } catch (InterruptedException e) {
105             Log.e("TelephonyTestBase", "InterruptedException while waiting: " + e);
106         }
107     }
108 
getTestContext()109     protected TestContext getTestContext() {
110         return mContext;
111     }
112 }
113