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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.server.connectivity.tethering;
     18 
     19 import static com.android.internal.telephony.IccCardConstants.INTENT_VALUE_ICC_ABSENT;
     20 import static com.android.internal.telephony.IccCardConstants.INTENT_VALUE_ICC_LOADED;
     21 import static com.android.internal.telephony.IccCardConstants.INTENT_KEY_ICC_STATE;
     22 import static com.android.internal.telephony.TelephonyIntents.ACTION_SIM_STATE_CHANGED;
     23 
     24 import static org.junit.Assert.assertEquals;
     25 import static org.mockito.Mockito.reset;
     26 
     27 import android.content.Context;
     28 import android.content.Intent;
     29 import android.os.Handler;
     30 import android.os.Looper;
     31 import android.os.UserHandle;
     32 
     33 import android.support.test.filters.SmallTest;
     34 import android.support.test.runner.AndroidJUnit4;
     35 
     36 import com.android.internal.util.test.BroadcastInterceptingContext;
     37 
     38 import org.junit.After;
     39 import org.junit.Before;
     40 import org.junit.BeforeClass;
     41 import org.junit.runner.RunWith;
     42 import org.junit.Test;
     43 import org.mockito.Mock;
     44 import org.mockito.Mockito;
     45 import org.mockito.MockitoAnnotations;
     46 
     47 
     48 @RunWith(AndroidJUnit4.class)
     49 @SmallTest
     50 public class SimChangeListenerTest {
     51     @Mock private Context mContext;
     52     private BroadcastInterceptingContext mServiceContext;
     53     private Handler mHandler;
     54     private SimChangeListener mSCL;
     55     private int mCallbackCount;
     56 
     57     private void doCallback() { mCallbackCount++; }
     58 
     59     private class MockContext extends BroadcastInterceptingContext {
     60         MockContext(Context base) {
     61             super(base);
     62         }
     63     }
     64 
     65     @BeforeClass
     66     public static void setUpBeforeClass() throws Exception {
     67         if (Looper.myLooper() == null) {
     68             Looper.prepare();
     69         }
     70     }
     71 
     72     @Before public void setUp() throws Exception {
     73         MockitoAnnotations.initMocks(this);
     74         reset(mContext);
     75         mServiceContext = new MockContext(mContext);
     76         mHandler = new Handler(Looper.myLooper());
     77         mCallbackCount = 0;
     78         mSCL = new SimChangeListener(mServiceContext, mHandler, () -> doCallback());
     79     }
     80 
     81     @After public void tearDown() throws Exception {
     82         if (mSCL != null) {
     83             mSCL.stopListening();
     84             mSCL = null;
     85         }
     86     }
     87 
     88     private void sendSimStateChangeIntent(String state) {
     89         final Intent intent = new Intent(ACTION_SIM_STATE_CHANGED);
     90         intent.putExtra(INTENT_KEY_ICC_STATE, state);
     91         mServiceContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
     92     }
     93 
     94     @Test
     95     public void testNotSeenFollowedBySeenCallsCallback() {
     96         mSCL.startListening();
     97 
     98         sendSimStateChangeIntent(INTENT_VALUE_ICC_ABSENT);
     99         sendSimStateChangeIntent(INTENT_VALUE_ICC_LOADED);
    100         assertEquals(1, mCallbackCount);
    101 
    102         sendSimStateChangeIntent(INTENT_VALUE_ICC_ABSENT);
    103         sendSimStateChangeIntent(INTENT_VALUE_ICC_LOADED);
    104         assertEquals(2, mCallbackCount);
    105 
    106         mSCL.stopListening();
    107     }
    108 
    109     @Test
    110     public void testNotListeningDoesNotCallback() {
    111         sendSimStateChangeIntent(INTENT_VALUE_ICC_ABSENT);
    112         sendSimStateChangeIntent(INTENT_VALUE_ICC_LOADED);
    113         assertEquals(0, mCallbackCount);
    114 
    115         sendSimStateChangeIntent(INTENT_VALUE_ICC_ABSENT);
    116         sendSimStateChangeIntent(INTENT_VALUE_ICC_LOADED);
    117         assertEquals(0, mCallbackCount);
    118     }
    119 
    120     @Test
    121     public void testSeenOnlyDoesNotCallback() {
    122         mSCL.startListening();
    123 
    124         sendSimStateChangeIntent(INTENT_VALUE_ICC_LOADED);
    125         assertEquals(0, mCallbackCount);
    126 
    127         sendSimStateChangeIntent(INTENT_VALUE_ICC_LOADED);
    128         assertEquals(0, mCallbackCount);
    129 
    130         mSCL.stopListening();
    131     }
    132 }
    133