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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.dream;
     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.PreferenceScreen;
     25 import android.view.View.OnClickListener;
     26 import android.widget.Button;
     27 
     28 import com.android.settings.R;
     29 import com.android.settings.applications.LayoutPreference;
     30 import com.android.settings.testutils.SettingsRobolectricTestRunner;
     31 import com.android.settingslib.dream.DreamBackend;
     32 
     33 import org.junit.Before;
     34 import org.junit.Test;
     35 import org.junit.runner.RunWith;
     36 import org.mockito.Answers;
     37 import org.mockito.ArgumentCaptor;
     38 import org.mockito.Mock;
     39 import org.mockito.MockitoAnnotations;
     40 import org.robolectric.util.ReflectionHelpers;
     41 
     42 @RunWith(SettingsRobolectricTestRunner.class)
     43 public class StartNowPreferenceControllerTest {
     44 
     45     private StartNowPreferenceController mController;
     46     @Mock(answer = Answers.RETURNS_DEEP_STUBS)
     47     private Context mContext;
     48     @Mock
     49     private PreferenceScreen mScreen;
     50     @Mock
     51     private LayoutPreference mLayoutPref;
     52     @Mock
     53     private Button mButton;
     54     @Mock
     55     private DreamBackend mBackend;
     56 
     57     @Before
     58     public void setup() {
     59         MockitoAnnotations.initMocks(this);
     60 
     61         mController = new StartNowPreferenceController(mContext);
     62         when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mLayoutPref);
     63         when(mLayoutPref.findViewById(R.id.dream_start_now_button)).thenReturn(mButton);
     64 
     65         ReflectionHelpers.setField(mController, "mBackend", mBackend);
     66     }
     67 
     68     @Test
     69     public void setsOnClickListenerForStartNow() {
     70         ArgumentCaptor<OnClickListener> captor =
     71                 ArgumentCaptor.forClass(Button.OnClickListener.class);
     72 
     73         mController.displayPreference(mScreen);
     74         verify(mButton).setOnClickListener(captor.capture());
     75         assertThat(captor.getValue()).isNotNull();
     76     }
     77 
     78     @Test
     79     public void buttonIsDisabledWhenNeverDreaming() {
     80         when(mBackend.getWhenToDreamSetting()).thenReturn(DreamBackend.NEVER);
     81 
     82         mController.updateState(mLayoutPref);
     83         verify(mButton).setEnabled(false);
     84     }
     85 
     86     @Test
     87     public void buttonIsEnabledWhenDreamIsAvailable() {
     88         when(mBackend.getWhenToDreamSetting()).thenReturn(DreamBackend.EITHER);
     89 
     90         mController.updateState(mLayoutPref);
     91         verify(mButton).setEnabled(true);
     92     }
     93 }
     94