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
17package android.arch.lifecycle;
18
19import static android.arch.lifecycle.Lifecycle.Event.ON_CREATE;
20import static android.arch.lifecycle.Lifecycle.Event.ON_DESTROY;
21import static android.arch.lifecycle.Lifecycle.Event.ON_PAUSE;
22import static android.arch.lifecycle.Lifecycle.Event.ON_RESUME;
23import static android.arch.lifecycle.Lifecycle.Event.ON_START;
24import static android.arch.lifecycle.Lifecycle.Event.ON_STOP;
25import static android.arch.lifecycle.Lifecycle.State.CREATED;
26import static android.arch.lifecycle.Lifecycle.State.INITIALIZED;
27import static android.arch.lifecycle.Lifecycle.State.RESUMED;
28import static android.arch.lifecycle.Lifecycle.State.STARTED;
29
30import static org.mockito.Mockito.mock;
31import static org.mockito.Mockito.reset;
32import static org.mockito.Mockito.when;
33
34import org.junit.Before;
35import org.junit.Test;
36import org.junit.runner.RunWith;
37import org.junit.runners.JUnit4;
38import org.mockito.InOrder;
39import org.mockito.Mockito;
40
41@RunWith(JUnit4.class)
42public class FullLifecycleObserverTest {
43    private LifecycleOwner mOwner;
44    private Lifecycle mLifecycle;
45
46    @Before
47    public void initMocks() {
48        mOwner = mock(LifecycleOwner.class);
49        mLifecycle = mock(Lifecycle.class);
50        when(mOwner.getLifecycle()).thenReturn(mLifecycle);
51    }
52
53    @Test
54    public void eachEvent() {
55        FullLifecycleObserver obj = mock(FullLifecycleObserver.class);
56        FullLifecycleObserverAdapter observer = new FullLifecycleObserverAdapter(obj);
57        when(mLifecycle.getCurrentState()).thenReturn(CREATED);
58
59        observer.onStateChanged(mOwner, ON_CREATE);
60        InOrder inOrder = Mockito.inOrder(obj);
61        inOrder.verify(obj).onCreate(mOwner);
62        reset(obj);
63
64        when(mLifecycle.getCurrentState()).thenReturn(STARTED);
65        observer.onStateChanged(mOwner, ON_START);
66        inOrder.verify(obj).onStart(mOwner);
67        reset(obj);
68
69        when(mLifecycle.getCurrentState()).thenReturn(RESUMED);
70        observer.onStateChanged(mOwner, ON_RESUME);
71        inOrder.verify(obj).onResume(mOwner);
72        reset(obj);
73
74        when(mLifecycle.getCurrentState()).thenReturn(STARTED);
75        observer.onStateChanged(mOwner, ON_PAUSE);
76        inOrder.verify(obj).onPause(mOwner);
77        reset(obj);
78
79        when(mLifecycle.getCurrentState()).thenReturn(CREATED);
80        observer.onStateChanged(mOwner, ON_STOP);
81        inOrder.verify(obj).onStop(mOwner);
82        reset(obj);
83
84        when(mLifecycle.getCurrentState()).thenReturn(INITIALIZED);
85        observer.onStateChanged(mOwner, ON_DESTROY);
86        inOrder.verify(obj).onDestroy(mOwner);
87        reset(obj);
88    }
89}
90