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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.settings.bluetooth;
     18 
     19 import static com.google.common.truth.Truth.assertThat;
     20 import static org.mockito.Matchers.any;
     21 import static org.mockito.Matchers.anyString;
     22 import static org.mockito.Mockito.doReturn;
     23 import static org.mockito.Mockito.spy;
     24 import static org.mockito.Mockito.verify;
     25 import static org.mockito.Mockito.when;
     26 
     27 import android.app.Fragment;
     28 import android.app.FragmentTransaction;
     29 import android.content.Context;
     30 import android.support.v7.preference.Preference;
     31 import android.support.v7.preference.PreferenceScreen;
     32 
     33 import com.android.settings.testutils.SettingsRobolectricTestRunner;
     34 import com.android.settingslib.bluetooth.LocalBluetoothAdapter;
     35 
     36 import org.junit.Before;
     37 import org.junit.Test;
     38 import org.junit.runner.RunWith;
     39 import org.mockito.Answers;
     40 import org.mockito.Mock;
     41 import org.mockito.MockitoAnnotations;
     42 import org.robolectric.RuntimeEnvironment;
     43 
     44 @RunWith(SettingsRobolectricTestRunner.class)
     45 public class BluetoothDeviceRenamePreferenceControllerTest {
     46 
     47     private static final String DEVICE_NAME = "Nightshade";
     48     private static final String PREF_KEY = "bt_rename_devices";
     49 
     50     @Mock
     51     private LocalBluetoothAdapter mLocalAdapter;
     52     @Mock(answer = Answers.RETURNS_DEEP_STUBS)
     53     private Fragment mFragment;
     54     @Mock
     55     private FragmentTransaction mFragmentTransaction;
     56     @Mock
     57     private PreferenceScreen mScreen;
     58     private Context mContext;
     59     private Preference mPreference;
     60     private BluetoothDeviceRenamePreferenceController mController;
     61 
     62     @Before
     63     public void setUp() {
     64         MockitoAnnotations.initMocks(this);
     65 
     66         mContext = spy(RuntimeEnvironment.application);
     67         mPreference = new Preference(mContext);
     68         mPreference.setKey(PREF_KEY);
     69 
     70         mController = spy(new BluetoothDeviceRenamePreferenceController(mContext, mLocalAdapter,
     71                 PREF_KEY));
     72         mController.setFragment(mFragment);
     73         doReturn(DEVICE_NAME).when(mController).getDeviceName();
     74         when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference);
     75         mController.displayPreference(mScreen);
     76     }
     77 
     78     @Test
     79     public void testUpdateDeviceName_showSummaryWithDeviceName() {
     80         mController.updatePreferenceState(mPreference);
     81 
     82         final CharSequence summary = mPreference.getSummary();
     83 
     84         assertThat(summary.toString()).isEqualTo(DEVICE_NAME);
     85     }
     86 
     87     @Test
     88     public void testHandlePreferenceTreeClick_startDialogFragment() {
     89         when(mFragment.getFragmentManager().beginTransaction()).thenReturn(mFragmentTransaction);
     90 
     91         mController.handlePreferenceTreeClick(mPreference);
     92 
     93         verify(mFragmentTransaction).add(any(), anyString());
     94         verify(mFragmentTransaction).commit();
     95     }
     96 
     97     @Test
     98     public void displayPreference_shouldFindPreferenceWithMatchingPrefKey() {
     99         assertThat(mController.mPreference.getKey()).isEqualTo(mController.getPreferenceKey());
    100     }
    101 
    102     @Test
    103     public void updatePreferenceState_whenBTisOnPreferenceShouldBeVisible() {
    104         when(mLocalAdapter.isEnabled()).thenReturn(true);
    105 
    106         mController.updatePreferenceState(mPreference);
    107 
    108         assertThat(mPreference.isVisible()).isTrue();
    109     }
    110 
    111     @Test
    112     public void updatePreferenceState_whenBTisOffPreferenceShouldBeHide() {
    113         when(mLocalAdapter.isEnabled()).thenReturn(false);
    114 
    115         mController.updatePreferenceState(mPreference);
    116 
    117         assertThat(mPreference.isVisible()).isFalse();
    118     }
    119 }
    120