1 /*
2  * Copyright (C) 2019 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.widget;
18 
19 import static com.google.common.truth.Truth.assertThat;
20 
21 import static org.mockito.ArgumentMatchers.eq;
22 import static org.mockito.Mockito.mock;
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.content.Context;
28 import android.view.View;
29 
30 import com.android.settings.R;
31 
32 import org.junit.Before;
33 import org.junit.Test;
34 import org.junit.runner.RunWith;
35 import org.mockito.MockitoAnnotations;
36 import org.robolectric.RobolectricTestRunner;
37 import org.robolectric.RuntimeEnvironment;
38 
39 import androidx.preference.PreferenceViewHolder;
40 
41 @RunWith(RobolectricTestRunner.class)
42 public class AddPreferenceTest {
43 
44     private Context mContext;
45     private PreferenceViewHolder mViewHolder;
46     private View mWidgetFrame;
47     private View mAddWidget;
48     private AddPreference mPreference;
49 
50     @Before
setUp()51     public void setUp() {
52         mContext = RuntimeEnvironment.application;
53         mPreference = new AddPreference(mContext, null);
54 
55         final View view = spy(View.inflate(mContext, mPreference.getLayoutResource(), null));
56         mViewHolder = PreferenceViewHolder.createInstanceForTests(view);
57         mWidgetFrame = view.findViewById(android.R.id.widget_frame);
58         mAddWidget = spy(View.inflate(mContext, mPreference.getSecondTargetResId(), null));
59         when(mViewHolder.findViewById(mPreference.getAddWidgetResId())).thenReturn(mAddWidget);
60     }
61 
62     @Test
onBindViewHolder_noListener_addButtonNotVisible()63     public void onBindViewHolder_noListener_addButtonNotVisible() {
64         mPreference.onBindViewHolder(mViewHolder);
65         assertThat(mPreference.shouldHideSecondTarget()).isTrue();
66         assertThat(mWidgetFrame.getVisibility()).isEqualTo(View.GONE);
67     }
68 
69     @Test
onBindViewHolder_hasListener_addButtonVisible()70     public void onBindViewHolder_hasListener_addButtonVisible() {
71         mPreference.setOnAddClickListener(p -> {});
72         mPreference.onBindViewHolder(mViewHolder);
73         assertThat(mPreference.shouldHideSecondTarget()).isFalse();
74         assertThat(mWidgetFrame.getVisibility()).isEqualTo(View.VISIBLE);
75     }
76 
77     @Test
setOnAddClickListener_listenerAddedAfterBinding_addButtonBecomesVisible()78     public void setOnAddClickListener_listenerAddedAfterBinding_addButtonBecomesVisible() {
79         mPreference.onBindViewHolder(mViewHolder);
80         assertThat(mPreference.shouldHideSecondTarget()).isTrue();
81         assertThat(mWidgetFrame.getVisibility()).isEqualTo(View.GONE);
82 
83         mPreference.setOnAddClickListener(p -> {});
84         assertThat(mPreference.shouldHideSecondTarget()).isFalse();
85         assertThat(mWidgetFrame.getVisibility()).isEqualTo(View.VISIBLE);
86     }
87 
88     @Test
setOnAddClickListener_listenerRemovedAfterBinding_addButtonNotVisible()89     public void setOnAddClickListener_listenerRemovedAfterBinding_addButtonNotVisible() {
90         mPreference.setOnAddClickListener(p -> {});
91 
92         mPreference.onBindViewHolder(mViewHolder);
93         assertThat(mPreference.shouldHideSecondTarget()).isFalse();
94         assertThat(mWidgetFrame.getVisibility()).isEqualTo(View.VISIBLE);
95 
96         mPreference.setOnAddClickListener(null);
97         assertThat(mPreference.shouldHideSecondTarget()).isTrue();
98         assertThat(mWidgetFrame.getVisibility()).isEqualTo(View.GONE);
99     }
100 
101     @Test
setOnAddClickListener_listenerAddedAndRemovedAfterBinding_addButtonNotVisible()102     public void setOnAddClickListener_listenerAddedAndRemovedAfterBinding_addButtonNotVisible() {
103         mPreference.onBindViewHolder(mViewHolder);
104         assertThat(mPreference.shouldHideSecondTarget()).isTrue();
105         assertThat(mWidgetFrame.getVisibility()).isEqualTo(View.GONE);
106 
107         mPreference.setOnAddClickListener(p -> {});
108         assertThat(mPreference.shouldHideSecondTarget()).isFalse();
109         assertThat(mWidgetFrame.getVisibility()).isEqualTo(View.VISIBLE);
110 
111         mPreference.setOnAddClickListener(null);
112         assertThat(mPreference.shouldHideSecondTarget()).isTrue();
113         assertThat(mWidgetFrame.getVisibility()).isEqualTo(View.GONE);
114     }
115 
116     @Test
onClick_noListener_noCrash()117     public void onClick_noListener_noCrash() {
118         mPreference.onBindViewHolder(mViewHolder);
119         // should be no crash here
120         mPreference.onClick(mAddWidget);
121     }
122 
123     @Test
onClick_hasListenerBeforeBind_firesCorrectly()124     public void onClick_hasListenerBeforeBind_firesCorrectly() {
125         final AddPreference.OnAddClickListener listener = mock(
126                 AddPreference.OnAddClickListener.class);
127         mPreference.setOnAddClickListener(listener);
128 
129         mPreference.onBindViewHolder(mViewHolder);
130         assertThat(mWidgetFrame.getVisibility()).isEqualTo(View.VISIBLE);
131 
132         mPreference.onClick(mAddWidget);
133         verify(listener).onAddClick(eq(mPreference));
134     }
135 
136     @Test
onClick_listenerAddedAfterBind_firesCorrectly()137     public void onClick_listenerAddedAfterBind_firesCorrectly() {
138         mPreference.onBindViewHolder(mViewHolder);
139         assertThat(mWidgetFrame.getVisibility()).isEqualTo(View.GONE);
140 
141         final AddPreference.OnAddClickListener listener = mock(
142                 AddPreference.OnAddClickListener.class);
143         mPreference.setOnAddClickListener(listener);
144         assertThat(mWidgetFrame.getVisibility()).isEqualTo(View.VISIBLE);
145 
146         mPreference.onClick(mAddWidget);
147         verify(listener).onAddClick(eq(mPreference));
148     }
149 }
150