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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 
     17 package com.android.settings.core;
     18 
     19 import static com.google.common.truth.Truth.assertThat;
     20 
     21 import android.content.Context;
     22 
     23 import com.android.settings.R;
     24 import com.android.settings.slices.FakePreferenceController;
     25 import com.android.settings.testutils.SettingsRobolectricTestRunner;
     26 import com.android.settingslib.core.AbstractPreferenceController;
     27 
     28 import org.junit.Before;
     29 import org.junit.Test;
     30 import org.junit.runner.RunWith;
     31 import org.robolectric.RuntimeEnvironment;
     32 import org.robolectric.annotation.Config;
     33 
     34 import java.util.ArrayList;
     35 import java.util.List;
     36 
     37 @RunWith(SettingsRobolectricTestRunner.class)
     38 public class PreferenceControllerListHelperTest {
     39 
     40     private Context mContext;
     41 
     42     @Before
     43     public void setUp() {
     44         mContext = RuntimeEnvironment.application;
     45     }
     46 
     47     @Test
     48     @Config(qualifiers = "mcc999")
     49     public void getControllers_shouldReturnAList() {
     50         final List<BasePreferenceController> controllers =
     51                 PreferenceControllerListHelper.getPreferenceControllersFromXml(mContext,
     52                         R.xml.location_settings);
     53 
     54         assertThat(controllers).isNotEmpty();
     55         for (BasePreferenceController controller : controllers) {
     56             assertThat(controller).isInstanceOf(FakePreferenceController.class);
     57         }
     58     }
     59 
     60     @Test
     61     @Config(qualifiers = "mcc998")
     62     public void getControllers_partialFailure_shouldReturnTheRest() {
     63         final List<BasePreferenceController> controllers =
     64                 PreferenceControllerListHelper.getPreferenceControllersFromXml(mContext,
     65                         R.xml.location_settings);
     66 
     67         assertThat(controllers).hasSize(1);
     68         assertThat(controllers.get(0)).isInstanceOf(FakePreferenceController.class);
     69     }
     70 
     71     @Test
     72     public void filterControllers_noFilter_shouldReturnSameList() {
     73         final List<BasePreferenceController> controllers = new ArrayList<>();
     74         controllers.add(new BasePreferenceController(mContext, "key") {
     75             @Override
     76             public int getAvailabilityStatus() {
     77                 return AVAILABLE;
     78             }
     79         });
     80         final List<BasePreferenceController> result = PreferenceControllerListHelper
     81                 .filterControllers(controllers, null /* filter */);
     82         assertThat(result).containsExactlyElementsIn(controllers);
     83     }
     84 
     85     @Test
     86     public void filterControllers_noDuplicationFromFilter_shouldReturnSameList() {
     87         final List<BasePreferenceController> controllers = new ArrayList<>();
     88         controllers.add(new BasePreferenceController(mContext, "key") {
     89             @Override
     90             public int getAvailabilityStatus() {
     91                 return AVAILABLE;
     92             }
     93         });
     94         final List<AbstractPreferenceController> filter = new ArrayList<>();
     95         filter.add(new BasePreferenceController(mContext, "key2") {
     96             @Override
     97             public int getAvailabilityStatus() {
     98                 return AVAILABLE;
     99             }
    100         });
    101         final List<BasePreferenceController> result = PreferenceControllerListHelper
    102                 .filterControllers(controllers, filter);
    103         assertThat(result).containsExactlyElementsIn(controllers);
    104     }
    105 
    106     @Test
    107     public void filterControllers_hasDuplicationFromFilter_shouldReturnSameList() {
    108         final List<BasePreferenceController> controllers = new ArrayList<>();
    109         controllers.add(new BasePreferenceController(mContext, "key") {
    110             @Override
    111             public int getAvailabilityStatus() {
    112                 return AVAILABLE;
    113             }
    114         });
    115         final List<AbstractPreferenceController> filter = new ArrayList<>();
    116         filter.add(new BasePreferenceController(mContext, "key") {
    117             @Override
    118             public int getAvailabilityStatus() {
    119                 return AVAILABLE;
    120             }
    121         });
    122         final List<BasePreferenceController> result = PreferenceControllerListHelper
    123                 .filterControllers(controllers, filter);
    124         assertThat(result).isEmpty();
    125     }
    126 }
    127