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 package com.android.settings.deviceinfo;
17 
18 import static com.google.common.truth.Truth.assertThat;
19 
20 import static org.mockito.Mockito.doReturn;
21 import static org.mockito.Mockito.mock;
22 import static org.mockito.Mockito.when;
23 
24 import android.app.admin.DevicePolicyManager;
25 import android.content.Context;
26 import android.os.SystemProperties;
27 
28 import androidx.preference.Preference;
29 import androidx.preference.PreferenceScreen;
30 
31 import org.junit.Before;
32 import org.junit.Test;
33 import org.junit.runner.RunWith;
34 import org.mockito.Answers;
35 import org.mockito.Mock;
36 import org.mockito.MockitoAnnotations;
37 import org.robolectric.RobolectricTestRunner;
38 
39 @RunWith(RobolectricTestRunner.class)
40 public class FccEquipmentIdPreferenceControllerTest {
41 
42     @Mock(answer = Answers.RETURNS_DEEP_STUBS)
43     private Context mContext;
44     @Mock
45     private Preference mPreference;
46     @Mock
47     private PreferenceScreen mPreferenceScreen;
48     private FccEquipmentIdPreferenceController mController;
49 
50     @Before
setUp()51     public void setUp() {
52         MockitoAnnotations.initMocks(this);
53         doReturn(mock(DevicePolicyManager.class)).when(mContext)
54                 .getSystemService(Context.DEVICE_POLICY_SERVICE);
55         mController = new FccEquipmentIdPreferenceController(mContext);
56         when(mPreferenceScreen.findPreference(mController.getPreferenceKey()))
57             .thenReturn(mPreference);
58     }
59 
60     @Test
isAvailable_configEmpty_shouldReturnFalse()61     public void isAvailable_configEmpty_shouldReturnFalse() {
62         assertThat(mController.isAvailable()).isFalse();
63     }
64 
65     @Test
isAvailable_configNonEmpty_shouldReturnTrue()66     public void isAvailable_configNonEmpty_shouldReturnTrue() {
67         SystemProperties.set("ro.ril.fccid", "fcc_equipment");
68 
69         assertThat(mController.isAvailable()).isTrue();
70     }
71 }
72