Juan Lang | 5efe8f0 | 2017-05-04 16:59:46 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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 com.android.settingslib.core.lifecycle; |
| 17 | |
| 18 | import android.content.Context; |
| 19 | import android.view.Menu; |
| 20 | import android.view.MenuInflater; |
| 21 | import android.view.MenuItem; |
| 22 | |
| 23 | import com.android.settingslib.SettingLibRobolectricTestRunner; |
| 24 | import com.android.settingslib.TestConfig; |
| 25 | import com.android.settingslib.core.lifecycle.events.OnAttach; |
| 26 | import com.android.settingslib.core.lifecycle.events.OnCreateOptionsMenu; |
| 27 | import com.android.settingslib.core.lifecycle.events.OnDestroy; |
| 28 | import com.android.settingslib.core.lifecycle.events.OnOptionsItemSelected; |
| 29 | import com.android.settingslib.core.lifecycle.events.OnPause; |
| 30 | import com.android.settingslib.core.lifecycle.events.OnPrepareOptionsMenu; |
| 31 | import com.android.settingslib.core.lifecycle.events.OnResume; |
| 32 | import com.android.settingslib.core.lifecycle.events.OnStart; |
| 33 | import com.android.settingslib.core.lifecycle.events.OnStop; |
| 34 | |
| 35 | import org.junit.Test; |
| 36 | import org.junit.runner.RunWith; |
| 37 | import org.robolectric.Robolectric; |
| 38 | import org.robolectric.annotation.Config; |
| 39 | import org.robolectric.util.ActivityController; |
| 40 | import org.robolectric.util.FragmentController; |
| 41 | |
| 42 | import static com.google.common.truth.Truth.assertThat; |
| 43 | |
| 44 | @RunWith(SettingLibRobolectricTestRunner.class) |
| 45 | @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION) |
| 46 | public class LifecycleTest { |
| 47 | |
| 48 | public static class TestDialogFragment extends ObservableDialogFragment { |
| 49 | |
| 50 | final TestObserver mFragObserver; |
| 51 | |
| 52 | public TestDialogFragment() { |
| 53 | mFragObserver = new TestObserver(); |
| 54 | mLifecycle.addObserver(mFragObserver); |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | public static class TestFragment extends ObservableFragment { |
| 59 | |
| 60 | final TestObserver mFragObserver; |
| 61 | |
| 62 | public TestFragment() { |
| 63 | mFragObserver = new TestObserver(); |
| 64 | getLifecycle().addObserver(mFragObserver); |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | public static class TestActivity extends ObservableActivity { |
| 69 | |
| 70 | final TestObserver mActObserver; |
| 71 | |
| 72 | public TestActivity() { |
| 73 | mActObserver = new TestObserver(); |
| 74 | getLifecycle().addObserver(mActObserver); |
| 75 | } |
| 76 | |
| 77 | } |
| 78 | |
| 79 | public static class TestObserver implements LifecycleObserver, OnAttach, OnStart, OnResume, |
| 80 | OnPause, OnStop, OnDestroy, OnCreateOptionsMenu, OnPrepareOptionsMenu, |
| 81 | OnOptionsItemSelected { |
| 82 | |
| 83 | boolean mOnAttachObserved; |
| 84 | boolean mOnAttachHasContext; |
| 85 | boolean mOnStartObserved; |
| 86 | boolean mOnResumeObserved; |
| 87 | boolean mOnPauseObserved; |
| 88 | boolean mOnStopObserved; |
| 89 | boolean mOnDestroyObserved; |
| 90 | boolean mOnCreateOptionsMenuObserved; |
| 91 | boolean mOnPrepareOptionsMenuObserved; |
| 92 | boolean mOnOptionsItemSelectedObserved; |
| 93 | |
| 94 | @Override |
| 95 | public void onAttach(Context context) { |
| 96 | mOnAttachObserved = true; |
| 97 | mOnAttachHasContext = context != null; |
| 98 | } |
| 99 | |
| 100 | @Override |
| 101 | public void onStart() { |
| 102 | mOnStartObserved = true; |
| 103 | } |
| 104 | |
| 105 | @Override |
| 106 | public void onPause() { |
| 107 | mOnPauseObserved = true; |
| 108 | } |
| 109 | |
| 110 | @Override |
| 111 | public void onResume() { |
| 112 | mOnResumeObserved = true; |
| 113 | } |
| 114 | |
| 115 | @Override |
| 116 | public void onStop() { |
| 117 | mOnStopObserved = true; |
| 118 | } |
| 119 | |
| 120 | @Override |
| 121 | public void onDestroy() { |
| 122 | mOnDestroyObserved = true; |
| 123 | } |
| 124 | |
| 125 | @Override |
| 126 | public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { |
| 127 | mOnCreateOptionsMenuObserved = true; |
| 128 | } |
| 129 | |
| 130 | @Override |
| 131 | public boolean onOptionsItemSelected(MenuItem menuItem) { |
| 132 | mOnOptionsItemSelectedObserved = true; |
| 133 | return true; |
| 134 | } |
| 135 | |
| 136 | @Override |
| 137 | public void onPrepareOptionsMenu(Menu menu) { |
| 138 | mOnPrepareOptionsMenuObserved = true; |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | @Test |
| 143 | public void runThroughActivityLifecycles_shouldObserveEverything() { |
| 144 | ActivityController<TestActivity> ac = Robolectric.buildActivity(TestActivity.class); |
| 145 | TestActivity activity = ac.get(); |
| 146 | |
| 147 | ac.start(); |
| 148 | assertThat(activity.mActObserver.mOnStartObserved).isTrue(); |
| 149 | ac.resume(); |
| 150 | assertThat(activity.mActObserver.mOnResumeObserved).isTrue(); |
| 151 | activity.onCreateOptionsMenu(null); |
| 152 | assertThat(activity.mActObserver.mOnCreateOptionsMenuObserved).isTrue(); |
| 153 | activity.onPrepareOptionsMenu(null); |
| 154 | assertThat(activity.mActObserver.mOnPrepareOptionsMenuObserved).isTrue(); |
| 155 | activity.onOptionsItemSelected(null); |
| 156 | assertThat(activity.mActObserver.mOnOptionsItemSelectedObserved).isTrue(); |
| 157 | ac.pause(); |
| 158 | assertThat(activity.mActObserver.mOnPauseObserved).isTrue(); |
| 159 | ac.stop(); |
| 160 | assertThat(activity.mActObserver.mOnStopObserved).isTrue(); |
| 161 | ac.destroy(); |
| 162 | assertThat(activity.mActObserver.mOnDestroyObserved).isTrue(); |
| 163 | } |
| 164 | |
| 165 | @Test |
| 166 | public void runThroughDialogFragmentLifecycles_shouldObserveEverything() { |
| 167 | FragmentController<TestDialogFragment> fragmentController = |
| 168 | Robolectric.buildFragment(TestDialogFragment.class); |
| 169 | TestDialogFragment fragment = fragmentController.get(); |
| 170 | |
| 171 | fragmentController.attach().create().start().resume(); |
| 172 | fragment.onCreateOptionsMenu(null, null); |
| 173 | fragment.onPrepareOptionsMenu(null); |
| 174 | fragment.onOptionsItemSelected(null); |
| 175 | fragmentController.pause().stop().destroy(); |
| 176 | |
| 177 | assertThat(fragment.mFragObserver.mOnAttachObserved).isTrue(); |
| 178 | assertThat(fragment.mFragObserver.mOnAttachHasContext).isTrue(); |
| 179 | assertThat(fragment.mFragObserver.mOnStartObserved).isTrue(); |
| 180 | assertThat(fragment.mFragObserver.mOnResumeObserved).isTrue(); |
| 181 | assertThat(fragment.mFragObserver.mOnPauseObserved).isTrue(); |
| 182 | assertThat(fragment.mFragObserver.mOnStopObserved).isTrue(); |
| 183 | assertThat(fragment.mFragObserver.mOnDestroyObserved).isTrue(); |
| 184 | assertThat(fragment.mFragObserver.mOnCreateOptionsMenuObserved).isTrue(); |
| 185 | assertThat(fragment.mFragObserver.mOnPrepareOptionsMenuObserved).isTrue(); |
| 186 | assertThat(fragment.mFragObserver.mOnOptionsItemSelectedObserved).isTrue(); |
| 187 | } |
| 188 | |
| 189 | @Test |
| 190 | public void runThroughFragmentLifecycles_shouldObserveEverything() { |
| 191 | FragmentController<TestFragment> fragmentController = |
| 192 | Robolectric.buildFragment(TestFragment.class); |
| 193 | TestFragment fragment = fragmentController.get(); |
| 194 | |
| 195 | fragmentController.attach().create().start().resume(); |
| 196 | fragment.onCreateOptionsMenu(null, null); |
| 197 | fragment.onPrepareOptionsMenu(null); |
| 198 | fragment.onOptionsItemSelected(null); |
| 199 | fragmentController.pause().stop().destroy(); |
| 200 | |
| 201 | assertThat(fragment.mFragObserver.mOnAttachObserved).isTrue(); |
| 202 | assertThat(fragment.mFragObserver.mOnAttachHasContext).isTrue(); |
| 203 | assertThat(fragment.mFragObserver.mOnStartObserved).isTrue(); |
| 204 | assertThat(fragment.mFragObserver.mOnResumeObserved).isTrue(); |
| 205 | assertThat(fragment.mFragObserver.mOnPauseObserved).isTrue(); |
| 206 | assertThat(fragment.mFragObserver.mOnStopObserved).isTrue(); |
| 207 | assertThat(fragment.mFragObserver.mOnDestroyObserved).isTrue(); |
| 208 | assertThat(fragment.mFragObserver.mOnCreateOptionsMenuObserved).isTrue(); |
| 209 | assertThat(fragment.mFragObserver.mOnPrepareOptionsMenuObserved).isTrue(); |
| 210 | assertThat(fragment.mFragObserver.mOnOptionsItemSelectedObserved).isTrue(); |
| 211 | } |
| 212 | |
Fan Zhang | 89cff1a | 2017-06-03 17:46:55 -0700 | [diff] [blame] | 213 | @Test |
| 214 | public void addObserverDuringObserve_shoudNotCrash() { |
| 215 | Lifecycle lifecycle = new Lifecycle(); |
| 216 | lifecycle.addObserver(new OnStartObserver(lifecycle)); |
| 217 | lifecycle.onStart(); |
| 218 | } |
| 219 | |
Juan Lang | 5efe8f0 | 2017-05-04 16:59:46 -0700 | [diff] [blame] | 220 | private static class OptionItemAccepter implements LifecycleObserver, OnOptionsItemSelected { |
| 221 | public boolean wasCalled = false; |
| 222 | |
| 223 | @Override |
| 224 | public boolean onOptionsItemSelected(MenuItem menuItem) { |
| 225 | wasCalled = true; |
| 226 | return false; |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | @Test |
| 231 | public void onOptionItemSelectedShortCircuitsIfAnObserverHandlesTheMenuItem() { |
| 232 | FragmentController<TestFragment> fragmentController = |
| 233 | Robolectric.buildFragment(TestFragment.class); |
| 234 | TestFragment fragment = fragmentController.get(); |
| 235 | OptionItemAccepter accepter = new OptionItemAccepter(); |
| 236 | fragment.getLifecycle().addObserver(accepter); |
| 237 | |
| 238 | fragmentController.attach().create().start().resume(); |
| 239 | fragment.onCreateOptionsMenu(null, null); |
| 240 | fragment.onPrepareOptionsMenu(null); |
| 241 | fragment.onOptionsItemSelected(null); |
| 242 | fragmentController.pause().stop().destroy(); |
| 243 | |
| 244 | assertThat(accepter.wasCalled).isFalse(); |
| 245 | } |
Fan Zhang | 89cff1a | 2017-06-03 17:46:55 -0700 | [diff] [blame] | 246 | |
| 247 | private class OnStartObserver implements LifecycleObserver, OnStart { |
| 248 | |
| 249 | private final Lifecycle mLifecycle; |
| 250 | |
| 251 | public OnStartObserver(Lifecycle lifecycle) { |
| 252 | mLifecycle = lifecycle; |
| 253 | } |
| 254 | |
| 255 | @Override |
| 256 | public void onStart() { |
| 257 | mLifecycle.addObserver(new LifecycleObserver() { |
| 258 | }); |
| 259 | } |
| 260 | } |
Juan Lang | 5efe8f0 | 2017-05-04 16:59:46 -0700 | [diff] [blame] | 261 | } |