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 android.platform.test.rule;
17 
18 import static org.mockito.Mockito.times;
19 import static org.mockito.Mockito.verify;
20 import static org.mockito.Mockito.when;
21 
22 import android.os.RemoteException;
23 import android.support.test.uiautomator.UiDevice;
24 
25 import org.junit.Test;
26 import org.junit.runner.Description;
27 import org.junit.runner.RunWith;
28 import org.junit.runners.JUnit4;
29 import org.junit.runners.model.Statement;
30 
31 import org.mockito.Mockito;
32 
33 /** Unit test the logic for {@link UnlockScreenRule} */
34 @RunWith(JUnit4.class)
35 public class UnlockScreenRuleTest {
36 
37     /** Tests that unlock a screen off and locked phone before the test. */
38     @Test
testScreenOff()39     public void testScreenOff() throws Throwable {
40         TestableUnlockScreenRule rule = new TestableUnlockScreenRule(false, false);
41         Statement testStatement =
42                 new Statement() {
43                     @Override
44                     public void evaluate() throws Throwable {
45                         // Assert that the device wake up and unlock screen.
46                         verify(rule.getUiDevice(), times(1)).wakeUp();
47                         verify(rule.getUiDevice(), times(1)).pressMenu();
48                     }
49                 };
50         rule.apply(testStatement, Description.createTestDescription("clzz", "mthd")).evaluate();
51     }
52 
53     /** Tests that unlock a screen on but locked phone before the test. */
54     @Test
testScreenLocked()55     public void testScreenLocked() throws Throwable {
56         TestableUnlockScreenRule rule = new TestableUnlockScreenRule(true, false);
57         Statement testStatement =
58                 new Statement() {
59                     @Override
60                     public void evaluate() throws Throwable {
61                         // Assert that the device has unlocked screen.
62                         verify(rule.getUiDevice(), times(0)).wakeUp();
63                         verify(rule.getUiDevice(), times(1)).pressMenu();
64                     }
65                 };
66         rule.apply(testStatement, Description.createTestDescription("clzz", "mthd")).evaluate();
67     }
68 
69     /** Tests that unlock a phone which is already screen on before the test. */
70     @Test
testScreenOn()71     public void testScreenOn() throws Throwable {
72         TestableUnlockScreenRule rule = new TestableUnlockScreenRule(true, true);
73         Statement testStatement =
74                 new Statement() {
75                     @Override
76                     public void evaluate() throws Throwable {
77                         // Assert that the device did nothing.
78                         verify(rule.getUiDevice(), times(0)).wakeUp();
79                         verify(rule.getUiDevice(), times(0)).pressMenu();
80                     }
81                 };
82         rule.apply(testStatement, Description.createTestDescription("clzz", "mthd")).evaluate();
83     }
84 
85     private static class TestableUnlockScreenRule extends UnlockScreenRule {
86         private UiDevice mUiDevice;
87         private boolean mIsScreenOn;
88         private boolean mIsUnlocked;
89 
TestableUnlockScreenRule(boolean isScreenOn, boolean isUnlocked)90         public TestableUnlockScreenRule(boolean isScreenOn, boolean isUnlocked) {
91             mUiDevice = Mockito.mock(UiDevice.class);
92             mIsScreenOn = isScreenOn;
93             mIsUnlocked = isUnlocked;
94         }
95 
96         @Override
getUiDevice()97         protected UiDevice getUiDevice() {
98             try {
99                 when(mUiDevice.isScreenOn()).thenReturn(mIsScreenOn);
100                 when(mUiDevice.hasObject(SCREEN_LOCK)).thenReturn(!mIsUnlocked);
101             } catch (RemoteException e) {
102                 throw new RuntimeException("Could not unlock device.", e);
103             }
104             return mUiDevice;
105         }
106     }
107 }
108