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.systemui.keyguard;
18 
19 import static org.junit.Assert.assertEquals;
20 import static org.mockito.Mockito.mock;
21 import static org.mockito.Mockito.verify;
22 import static org.mockito.Mockito.verifyNoMoreInteractions;
23 
24 import android.testing.AndroidTestingRunner;
25 
26 import androidx.test.filters.SmallTest;
27 
28 import com.android.systemui.SysuiTestCase;
29 import com.android.systemui.dump.DumpManager;
30 
31 import org.junit.Before;
32 import org.junit.Test;
33 import org.junit.runner.RunWith;
34 
35 import java.io.ByteArrayOutputStream;
36 import java.io.PrintWriter;
37 
38 @RunWith(AndroidTestingRunner.class)
39 @SmallTest
40 public class ScreenLifecycleTest extends SysuiTestCase {
41 
42     private ScreenLifecycle mScreen;
43     private ScreenLifecycle.Observer mScreenObserverMock;
44 
45     @Before
setUp()46     public void setUp() throws Exception {
47         mScreen = new ScreenLifecycle(mock(DumpManager.class));
48         mScreenObserverMock = mock(ScreenLifecycle.Observer.class);
49         mScreen.addObserver(mScreenObserverMock);
50     }
51 
52     @Test
baseState()53     public void baseState() throws Exception {
54         assertEquals(ScreenLifecycle.SCREEN_OFF, mScreen.getScreenState());
55         verifyNoMoreInteractions(mScreenObserverMock);
56     }
57 
58     @Test
screenTurningOn()59     public void screenTurningOn() throws Exception {
60         Runnable onDrawn = () -> {};
61         mScreen.dispatchScreenTurningOn();
62 
63         assertEquals(ScreenLifecycle.SCREEN_TURNING_ON, mScreen.getScreenState());
64         verify(mScreenObserverMock).onScreenTurningOn();
65     }
66 
67     @Test
screenTurnedOn()68     public void screenTurnedOn() throws Exception {
69         mScreen.dispatchScreenTurningOn();
70         mScreen.dispatchScreenTurnedOn();
71 
72         assertEquals(ScreenLifecycle.SCREEN_ON, mScreen.getScreenState());
73         verify(mScreenObserverMock).onScreenTurnedOn();
74     }
75 
76     @Test
screenTurningOff()77     public void screenTurningOff() throws Exception {
78         mScreen.dispatchScreenTurningOn();
79         mScreen.dispatchScreenTurnedOn();
80         mScreen.dispatchScreenTurningOff();
81 
82         assertEquals(ScreenLifecycle.SCREEN_TURNING_OFF, mScreen.getScreenState());
83         verify(mScreenObserverMock).onScreenTurningOff();
84     }
85 
86     @Test
screenTurnedOff()87     public void screenTurnedOff() throws Exception {
88         mScreen.dispatchScreenTurningOn();
89         mScreen.dispatchScreenTurnedOn();
90         mScreen.dispatchScreenTurningOff();
91         mScreen.dispatchScreenTurnedOff();
92 
93         assertEquals(ScreenLifecycle.SCREEN_OFF, mScreen.getScreenState());
94         verify(mScreenObserverMock).onScreenTurnedOff();
95     }
96 
97     @Test
dump()98     public void dump() throws Exception {
99         mScreen.dump(new PrintWriter(new ByteArrayOutputStream()), new String[0]);
100     }
101 }
102