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.settings.bluetooth;
18 
19 import static com.google.common.truth.Truth.assertThat;
20 
21 import static org.mockito.ArgumentMatchers.any;
22 import static org.mockito.ArgumentMatchers.anyString;
23 import static org.mockito.Mockito.doReturn;
24 import static org.mockito.Mockito.spy;
25 import static org.mockito.Mockito.verify;
26 import static org.mockito.Mockito.when;
27 
28 import android.bluetooth.BluetoothAdapter;
29 import android.content.Context;
30 
31 import androidx.fragment.app.Fragment;
32 import androidx.fragment.app.FragmentTransaction;
33 import androidx.preference.Preference;
34 import androidx.preference.PreferenceScreen;
35 
36 import com.android.settings.testutils.shadow.ShadowBluetoothAdapter;
37 
38 import org.junit.Before;
39 import org.junit.Test;
40 import org.junit.runner.RunWith;
41 import org.mockito.Answers;
42 import org.mockito.Mock;
43 import org.mockito.MockitoAnnotations;
44 import org.robolectric.RobolectricTestRunner;
45 import org.robolectric.RuntimeEnvironment;
46 import org.robolectric.annotation.Config;
47 import org.robolectric.shadow.api.Shadow;
48 
49 @RunWith(RobolectricTestRunner.class)
50 @Config(shadows = {
51         ShadowBluetoothAdapter.class,
52         com.android.settings.testutils.shadow.ShadowFragment.class,
53 })
54 public class BluetoothDeviceRenamePreferenceControllerTest {
55 
56     private static final String DEVICE_NAME = "Nightshade";
57     private static final String PREF_KEY = "bt_rename_devices";
58 
59     @Mock(answer = Answers.RETURNS_DEEP_STUBS)
60     private Fragment mFragment;
61     @Mock
62     private FragmentTransaction mFragmentTransaction;
63     @Mock
64     private PreferenceScreen mScreen;
65     private Context mContext;
66     private Preference mPreference;
67     private BluetoothDeviceRenamePreferenceController mController;
68     private BluetoothAdapter mBluetoothAdapter;
69     private ShadowBluetoothAdapter mShadowBluetoothAdapter;
70 
71     @Before
setUp()72     public void setUp() {
73         MockitoAnnotations.initMocks(this);
74 
75         mContext = spy(RuntimeEnvironment.application);
76         mPreference = new Preference(mContext);
77         mPreference.setKey(PREF_KEY);
78         mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
79         mShadowBluetoothAdapter = Shadow.extract(mBluetoothAdapter);
80 
81         mController = spy(new BluetoothDeviceRenamePreferenceController(mContext, PREF_KEY));
82         mController.setFragment(mFragment);
83         doReturn(DEVICE_NAME).when(mController).getDeviceName();
84         when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference);
85         mController.displayPreference(mScreen);
86     }
87 
88     @Test
testUpdateDeviceName_showSummaryWithDeviceName()89     public void testUpdateDeviceName_showSummaryWithDeviceName() {
90         mController.updatePreferenceState(mPreference);
91 
92         final CharSequence summary = mPreference.getSummary();
93 
94         assertThat(summary.toString()).isEqualTo(DEVICE_NAME);
95     }
96 
97     @Test
testHandlePreferenceTreeClick_startDialogFragment()98     public void testHandlePreferenceTreeClick_startDialogFragment() {
99         when(mFragment.getFragmentManager().beginTransaction()).thenReturn(mFragmentTransaction);
100 
101         mController.handlePreferenceTreeClick(mPreference);
102 
103         verify(mFragmentTransaction).add(any(), anyString());
104         verify(mFragmentTransaction).commit();
105     }
106 
107     @Test
displayPreference_shouldFindPreferenceWithMatchingPrefKey()108     public void displayPreference_shouldFindPreferenceWithMatchingPrefKey() {
109         assertThat(mController.mPreference.getKey()).isEqualTo(mController.getPreferenceKey());
110     }
111 
112     @Test
updatePreferenceState_whenBTisOnPreferenceShouldBeVisible()113     public void updatePreferenceState_whenBTisOnPreferenceShouldBeVisible() {
114         mShadowBluetoothAdapter.setEnabled(true);
115 
116         mController.updatePreferenceState(mPreference);
117 
118         assertThat(mPreference.isVisible()).isTrue();
119     }
120 
121     @Test
updatePreferenceState_whenBTisOffPreferenceShouldBeHide()122     public void updatePreferenceState_whenBTisOffPreferenceShouldBeHide() {
123         mShadowBluetoothAdapter.setEnabled(false);
124 
125         mController.updatePreferenceState(mPreference);
126 
127         assertThat(mPreference.isVisible()).isFalse();
128     }
129 }
130