1 /*
2  * Copyright (C) 2023 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 android.car.app;
18 
19 import static com.google.common.truth.Truth.assertThat;
20 
21 import android.app.Activity;
22 
23 import androidx.lifecycle.Lifecycle;
24 import androidx.test.ext.junit.rules.ActivityScenarioRule;
25 
26 import org.junit.Before;
27 import org.junit.Rule;
28 import org.junit.Test;
29 
30 public class CarTaskViewControllerHostLifecycleFactoryTest {
31     private final FakeCarTaskViewControllerHostLifecycleObserver mObserver =
32             new FakeCarTaskViewControllerHostLifecycleObserver();
33     private TestActivity mActivity;
34 
35     @Rule
36     public ActivityScenarioRule<TestActivity> activityRule = new ActivityScenarioRule<>(
37             TestActivity.class);
38 
39     @Before
setup()40     public void setup() {
41         activityRule.getScenario().onActivity(activity -> mActivity = activity);
42     }
43 
44     @Test
forActivity_activityResumed_callsObserver()45     public void forActivity_activityResumed_callsObserver() {
46         // Arrange
47         CarTaskViewControllerHostLifecycle lifecycle =
48                 CarTaskViewControllerHostLifecycleFactory.forActivity(mActivity);
49         lifecycle.registerObserver(mObserver);
50 
51         // Act
52         activityRule.getScenario().moveToState(Lifecycle.State.CREATED);
53         activityRule.getScenario().moveToState(Lifecycle.State.RESUMED);
54 
55         // Assert
56         assertThat(mObserver.mHostAppearedCalled).isTrue();
57     }
58 
59     @Test
forActivity_activityStarted_callsObserver()60     public void forActivity_activityStarted_callsObserver() {
61         // Arrange
62         CarTaskViewControllerHostLifecycle lifecycle =
63                 CarTaskViewControllerHostLifecycleFactory.forActivity(mActivity);
64         lifecycle.registerObserver(mObserver);
65 
66         // Act
67         activityRule.getScenario().moveToState(Lifecycle.State.CREATED);
68         activityRule.getScenario().moveToState(Lifecycle.State.STARTED);
69 
70         // Assert
71         assertThat(mObserver.mHostAppearedCalled).isTrue();
72     }
73 
74     @Test
forActivity_activityStopped_callsObserver()75     public void forActivity_activityStopped_callsObserver() {
76         // Arrange
77         CarTaskViewControllerHostLifecycle lifecycle =
78                 CarTaskViewControllerHostLifecycleFactory.forActivity(mActivity);
79         lifecycle.registerObserver(mObserver);
80 
81         // Act
82         activityRule.getScenario().moveToState(Lifecycle.State.RESUMED);
83         activityRule.getScenario().moveToState(Lifecycle.State.CREATED);
84 
85         // Assert
86         assertThat(mObserver.mHostDisappearedCalled).isTrue();
87     }
88 
89     @Test
forActivity_activityDestroyed_callsObserver()90     public void forActivity_activityDestroyed_callsObserver() {
91         // Arrange
92         CarTaskViewControllerHostLifecycle lifecycle =
93                 CarTaskViewControllerHostLifecycleFactory.forActivity(mActivity);
94         lifecycle.registerObserver(mObserver);
95 
96         // Act
97         activityRule.getScenario().moveToState(Lifecycle.State.CREATED);
98         activityRule.getScenario().moveToState(Lifecycle.State.DESTROYED);
99 
100         // Assert
101         assertThat(mObserver.mHostDestroyedCalled).isTrue();
102     }
103 
104     public static class TestActivity extends Activity {
105     }
106 }
107