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      1 /*
      2  * Copyright (C) 2018 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.wifi.details;
     17 
     18 import static com.google.common.truth.Truth.assertThat;
     19 import static org.mockito.Mockito.doReturn;
     20 import static org.mockito.Mockito.spy;
     21 
     22 import android.content.Context;
     23 import android.net.wifi.WifiConfiguration;
     24 import android.support.v7.preference.DropDownPreference;
     25 
     26 import com.android.settings.R;
     27 import com.android.settings.testutils.SettingsRobolectricTestRunner;
     28 
     29 import org.junit.Before;
     30 import org.junit.Test;
     31 import org.junit.runner.RunWith;
     32 import org.mockito.Mock;
     33 import org.robolectric.RuntimeEnvironment;
     34 
     35 @RunWith(SettingsRobolectricTestRunner.class)
     36 public class WifiMeteredPreferenceControllerTest {
     37 
     38     private static final int METERED_OVERRIDE_NONE = 0;
     39     private static final int METERED_OVERRIDE_METERED = 1;
     40     private static final int METERED_OVERRIDE_NOT_METERED = 2;
     41 
     42     @Mock
     43     private WifiConfiguration mWifiConfiguration;
     44 
     45     private WifiMeteredPreferenceController mPreferenceController;
     46     private Context mContext;
     47     private DropDownPreference mDropDownPreference;
     48 
     49     @Before
     50     public void setUp() {
     51         mContext = RuntimeEnvironment.application;
     52 
     53         mPreferenceController = spy(
     54                 new WifiMeteredPreferenceController(mContext, mWifiConfiguration));
     55         mDropDownPreference = new DropDownPreference(mContext);
     56         mDropDownPreference.setEntries(R.array.wifi_metered_entries);
     57         mDropDownPreference.setEntryValues(R.array.wifi_metered_values);
     58     }
     59 
     60     @Test
     61     public void testUpdateState_wifiMetered_setCorrectValue() {
     62         doReturn(METERED_OVERRIDE_METERED).when(mPreferenceController).getMeteredOverride();
     63 
     64         mPreferenceController.updateState(mDropDownPreference);
     65 
     66         assertThat(mDropDownPreference.getEntry()).isEqualTo("Treat as metered");
     67     }
     68 
     69     @Test
     70     public void testUpdateState_wifiNotMetered_setCorrectValue() {
     71         doReturn(METERED_OVERRIDE_NOT_METERED).when(mPreferenceController).getMeteredOverride();
     72 
     73         mPreferenceController.updateState(mDropDownPreference);
     74 
     75         assertThat(mDropDownPreference.getEntry()).isEqualTo("Treat as unmetered");
     76     }
     77 
     78     @Test
     79     public void testUpdateState_wifiAuto_setCorrectValue() {
     80         doReturn(METERED_OVERRIDE_NONE).when(mPreferenceController).getMeteredOverride();
     81 
     82         mPreferenceController.updateState(mDropDownPreference);
     83 
     84         assertThat(mDropDownPreference.getEntry()).isEqualTo("Detect automatically");
     85     }
     86 
     87     @Test
     88     public void testController_resilientToNullConfig() {
     89         mPreferenceController = spy(new WifiMeteredPreferenceController(mContext, null));
     90 
     91         mPreferenceController.getMeteredOverride();
     92         mPreferenceController.onPreferenceChange(mDropDownPreference, new Integer(1));
     93     }
     94 }
     95