1 /*
2  * Copyright 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 package androidx.work.impl.constraints.trackers;
17 
18 import static androidx.work.impl.constraints.trackers.NetworkStateTrackerKt.NetworkStateTracker;
19 import static androidx.work.impl.constraints.trackers.NetworkStateTrackerKt.isActiveNetworkValidated;
20 
21 import static org.hamcrest.CoreMatchers.is;
22 import static org.hamcrest.MatcherAssert.assertThat;
23 import static org.mockito.ArgumentMatchers.any;
24 import static org.mockito.ArgumentMatchers.eq;
25 import static org.mockito.Mockito.mock;
26 import static org.mockito.Mockito.verify;
27 import static org.mockito.Mockito.when;
28 
29 import android.content.BroadcastReceiver;
30 import android.content.Context;
31 import android.content.IntentFilter;
32 import android.net.ConnectivityManager;
33 import android.net.Network;
34 
35 import androidx.test.ext.junit.runners.AndroidJUnit4;
36 import androidx.test.filters.MediumTest;
37 import androidx.test.filters.SdkSuppress;
38 import androidx.test.filters.SmallTest;
39 import androidx.work.impl.constraints.NetworkState;
40 import androidx.work.impl.utils.taskexecutor.InstantWorkTaskExecutor;
41 
42 import org.junit.Before;
43 import org.junit.Test;
44 import org.junit.runner.RunWith;
45 import org.mockito.ArgumentCaptor;
46 
47 @RunWith(AndroidJUnit4.class)
48 public class NetworkStateTrackerTest {
49 
50     private ConstraintTracker<NetworkState> mTracker;
51 
52     private Context mMockContext;
53     private ConnectivityManager mMockConnectivityManager;
54 
55     @SuppressWarnings("unchecked")
56     @Before
setUp()57     public void setUp() {
58         mMockContext = mock(Context.class);
59         mMockConnectivityManager = mock(ConnectivityManager.class);
60         when(mMockContext.getApplicationContext()).thenReturn(mMockContext);
61         when(mMockContext.getSystemService(eq(Context.CONNECTIVITY_SERVICE)))
62                 .thenReturn(mMockConnectivityManager);
63         mTracker = NetworkStateTracker(mMockContext, new InstantWorkTaskExecutor());
64     }
65 
66     @Test
67     @SmallTest
testGetInitialState_nullNetworkInfo()68     public void testGetInitialState_nullNetworkInfo() {
69         NetworkState expectedState = new NetworkState(false, false, false, false);
70         assertThat(mTracker.readSystemState(), is(expectedState));
71     }
72 
73     @Test
74     @SmallTest
75     @SdkSuppress(minSdkVersion = 24)
testStartTracking_afterApi24()76     public void testStartTracking_afterApi24() {
77         mTracker.startTracking();
78         verify(mMockConnectivityManager)
79                 .registerDefaultNetworkCallback(any(ConnectivityManager.NetworkCallback.class));
80     }
81 
82     @Test
83     @SmallTest
84     @SdkSuppress(maxSdkVersion = 23)
testStartTracking_beforeApi24()85     public void testStartTracking_beforeApi24() {
86         mTracker.startTracking();
87         ArgumentCaptor<IntentFilter> argCaptor = ArgumentCaptor.forClass(IntentFilter.class);
88         verify(mMockContext).registerReceiver(any(BroadcastReceiver.class), argCaptor.capture());
89 
90         IntentFilter intentFilter = argCaptor.getValue();
91         assertThat(intentFilter.hasAction(ConnectivityManager.CONNECTIVITY_ACTION), is(true));
92         assertThat(intentFilter.countActions(), is(1));
93     }
94 
95     @Test
96     @SmallTest
97     @SdkSuppress(minSdkVersion = 24)
testStopTracking_afterApi24()98     public void testStopTracking_afterApi24() {
99         mTracker.stopTracking();
100         verify(mMockConnectivityManager)
101                 .unregisterNetworkCallback(any(ConnectivityManager.NetworkCallback.class));
102     }
103 
104     @Test
105     @SmallTest
106     @SdkSuppress(maxSdkVersion = 23)
testStopTracking_beforeApi24()107     public void testStopTracking_beforeApi24() {
108         mTracker.stopTracking();
109         verify(mMockContext).unregisterReceiver(any(BroadcastReceiver.class));
110     }
111 
112     @Test
113     @MediumTest
114     @SdkSuppress(minSdkVersion = 24)
handleSecurityExceptions_whenValidatingNetworkState()115     public void handleSecurityExceptions_whenValidatingNetworkState() {
116         Network activeNetwork = mock(Network.class);
117         when(mMockConnectivityManager.getActiveNetwork()).thenReturn(activeNetwork);
118         when(mMockConnectivityManager.getNetworkCapabilities(activeNetwork))
119                 .thenThrow(new SecurityException("Exception"));
120         assertThat(isActiveNetworkValidated(mMockConnectivityManager), is(false));
121     }
122 }
123