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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.applications;
     18 
     19 import static com.google.common.truth.Truth.assertThat;
     20 import static org.mockito.Mockito.verify;
     21 import static org.mockito.Mockito.when;
     22 
     23 import android.content.Context;
     24 import android.support.v7.preference.Preference;
     25 
     26 import com.android.settings.R;
     27 import com.android.settings.datausage.DataSaverBackend;
     28 import com.android.settings.testutils.SettingsRobolectricTestRunner;
     29 
     30 import org.junit.Before;
     31 import org.junit.Test;
     32 import org.junit.runner.RunWith;
     33 import org.mockito.Mock;
     34 import org.mockito.MockitoAnnotations;
     35 import org.robolectric.RuntimeEnvironment;
     36 import org.robolectric.util.ReflectionHelpers;
     37 
     38 @RunWith(SettingsRobolectricTestRunner.class)
     39 public class SpecialAppAccessPreferenceControllerTest {
     40 
     41     private Context mContext;
     42     @Mock
     43     private DataSaverBackend mBackend;
     44     @Mock
     45     private Preference mPreference;
     46 
     47     private SpecialAppAccessPreferenceController mController;
     48 
     49     @Before
     50     public void setUp() {
     51         MockitoAnnotations.initMocks(this);
     52         mContext = RuntimeEnvironment.application;
     53         mController = new SpecialAppAccessPreferenceController(mContext);
     54         ReflectionHelpers.setField(mController, "mDataSaverBackend", mBackend);
     55     }
     56 
     57     @Test
     58     public void isAvailable_shouldAlwaysReturnTrue() {
     59         assertThat(mController.isAvailable()).isTrue();
     60     }
     61 
     62     @Test
     63     public void updateState_shouldSetSummary() {
     64         when(mBackend.getWhitelistedCount()).thenReturn(0);
     65 
     66         mController.updateState(mPreference);
     67 
     68         verify(mPreference).setSummary(mContext.getResources()
     69             .getQuantityString(R.plurals.special_access_summary, 0, 0));
     70 
     71         when(mBackend.getWhitelistedCount()).thenReturn(1);
     72 
     73         mController.updateState(mPreference);
     74 
     75         verify(mPreference).setSummary(mContext.getResources()
     76             .getQuantityString(R.plurals.special_access_summary, 1, 1));
     77     }
     78 }
     79