1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.arch.lifecycle;
import static android.arch.lifecycle.Lifecycle.Event.ON_RESUME;
import static android.arch.lifecycle.Lifecycle.Event.ON_START;
import static android.arch.lifecycle.Lifecycle.Event.ON_STOP;
import static android.arch.lifecycle.TestUtils.OrderedTuples.CREATE;
import static android.arch.lifecycle.TestUtils.OrderedTuples.DESTROY;
import static android.arch.lifecycle.TestUtils.OrderedTuples.PAUSE;
import static android.arch.lifecycle.TestUtils.OrderedTuples.RESUME;
import static android.arch.lifecycle.TestUtils.OrderedTuples.START;
import static android.arch.lifecycle.TestUtils.OrderedTuples.STOP;
import static android.arch.lifecycle.TestUtils.flatMap;
import static android.arch.lifecycle.testapp.TestEvent.LIFECYCLE_EVENT;
import static android.arch.lifecycle.testapp.TestEvent.OWNER_CALLBACK;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;
import static java.util.Arrays.asList;
import static java.util.Collections.singletonList;
import android.app.Instrumentation;
import android.arch.lifecycle.testapp.CollectingLifecycleOwner;
import android.arch.lifecycle.testapp.CollectingSupportActivity;
import android.arch.lifecycle.testapp.CollectingSupportFragment;
import android.arch.lifecycle.testapp.NavigationDialogActivity;
import android.arch.lifecycle.testapp.TestEvent;
import android.content.Intent;
import android.os.Build;
import android.support.test.InstrumentationRegistry;
import android.support.test.filters.LargeTest;
import android.support.test.rule.ActivityTestRule;
import android.support.v4.app.FragmentActivity;
import android.support.v4.util.Pair;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import java.util.List;
import java.util.concurrent.ExecutionException;
/**
* Runs tests about the state when an activity is partially covered by another activity. Pre
* API 24, framework behavior changes so the test rely on whether state is saved or not and makes
* assertions accordingly.
*/
@SuppressWarnings("unchecked")
@RunWith(Parameterized.class)
@LargeTest
public class PartiallyCoveredActivityTest {
private static final List[] IF_SAVED = new List[]{
// when overlaid
flatMap(CREATE, START, RESUME, PAUSE,
singletonList(new Pair<>(LIFECYCLE_EVENT, ON_STOP))),
// post dialog dismiss
asList(new Pair<>(OWNER_CALLBACK, ON_RESUME),
new Pair<>(LIFECYCLE_EVENT, ON_START),
new Pair<>(LIFECYCLE_EVENT, ON_RESUME)),
// post finish
flatMap(PAUSE, STOP, DESTROY)};
private static final List[] IF_NOT_SAVED = new List[]{
// when overlaid
flatMap(CREATE, START, RESUME, PAUSE),
// post dialog dismiss
flatMap(RESUME),
// post finish
flatMap(PAUSE, STOP, DESTROY)};
private static final boolean sShouldSave = Build.VERSION.SDK_INT < Build.VERSION_CODES.N;
private static final List<Pair<TestEvent, Lifecycle.Event>>[] EXPECTED =
sShouldSave ? IF_SAVED : IF_NOT_SAVED;
@Rule
public ActivityTestRule<CollectingSupportActivity> activityRule =
new ActivityTestRule<CollectingSupportActivity>(
CollectingSupportActivity.class) {
@Override
protected Intent getActivityIntent() {
// helps with less flaky API 16 tests
Intent intent = new Intent(InstrumentationRegistry.getTargetContext(),
CollectingSupportActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
return intent;
}
};
private final boolean mDismissDialog;
@Parameterized.Parameters(name = "dismissDialog_{0}")
public static List<Boolean> dismissDialog() {
return asList(true, false);
}
public PartiallyCoveredActivityTest(boolean dismissDialog) {
mDismissDialog = dismissDialog;
}
@Test
public void coveredWithDialog_activity() throws Throwable {
final CollectingSupportActivity activity = activityRule.getActivity();
runTest(activity);
}
@Test
public void coveredWithDialog_fragment() throws Throwable {
CollectingSupportFragment fragment = new CollectingSupportFragment();
activityRule.runOnUiThread(() -> activityRule.getActivity().replaceFragment(fragment));
runTest(fragment);
}
@Test
public void coveredWithDialog_childFragment() throws Throwable {
CollectingSupportFragment parentFragment = new CollectingSupportFragment();
CollectingSupportFragment childFragment = new CollectingSupportFragment();
activityRule.runOnUiThread(() -> {
activityRule.getActivity().replaceFragment(parentFragment);
parentFragment.replaceFragment(childFragment);
});
runTest(childFragment);
}
private void runTest(CollectingLifecycleOwner owner) throws Throwable {
TestUtils.waitTillResumed(owner, activityRule);
FragmentActivity dialog = launchDialog();
assertStateSaving();
waitForIdle();
assertThat(owner.copyCollectedEvents(), is(EXPECTED[0]));
List<Pair<TestEvent, Lifecycle.Event>> expected;
if (mDismissDialog) {
dialog.finish();
TestUtils.waitTillResumed(activityRule.getActivity(), activityRule);
assertThat(owner.copyCollectedEvents(), is(flatMap(EXPECTED[0], EXPECTED[1])));
expected = flatMap(EXPECTED[0], EXPECTED[1], EXPECTED[2]);
} else {
expected = flatMap(CREATE, START, RESUME, PAUSE, STOP, DESTROY);
}
CollectingSupportActivity activity = activityRule.getActivity();
activityRule.finishActivity();
TestUtils.waitTillDestroyed(activity, activityRule);
assertThat(owner.copyCollectedEvents(), is(expected));
}
// test sanity
private void assertStateSaving() throws ExecutionException, InterruptedException {
final CollectingSupportActivity activity = activityRule.getActivity();
if (sShouldSave) {
// state should be saved. wait for it to be saved
assertThat("test sanity",
activity.waitForStateSave(20), is(true));
assertThat("test sanity", activity.getSupportFragmentManager()
.isStateSaved(), is(true));
} else {
// should should not be saved
assertThat("test sanity", activity.getSupportFragmentManager()
.isStateSaved(), is(false));
}
}
private void waitForIdle() {
InstrumentationRegistry.getInstrumentation().waitForIdleSync();
}
private FragmentActivity launchDialog() throws Throwable {
Instrumentation.ActivityMonitor monitor = new Instrumentation.ActivityMonitor(
NavigationDialogActivity.class.getCanonicalName(), null, false);
Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation();
instrumentation.addMonitor(monitor);
FragmentActivity activity = activityRule.getActivity();
Intent intent = new Intent(activity, NavigationDialogActivity.class);
// disabling animations helps with less flaky API 16 tests
intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
activity.startActivity(intent);
FragmentActivity fragmentActivity = (FragmentActivity) monitor.waitForActivity();
TestUtils.waitTillResumed(fragmentActivity, activityRule);
return fragmentActivity;
}
}
|
