Linus Tufvesson | 9d50175 | 2019-02-12 11:33:22 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2019 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 com.android.server.am; |
| 18 | |
| 19 | import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_ACTION_1; |
| 20 | import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_ACTION_2; |
| 21 | import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_STATSD_SAMPLE_RATE; |
| 22 | import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_THROTTLE_1; |
| 23 | import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_THROTTLE_2; |
| 24 | import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_THROTTLE_3; |
| 25 | import static android.provider.DeviceConfig.ActivityManager.KEY_COMPACT_THROTTLE_4; |
| 26 | import static android.provider.DeviceConfig.ActivityManager.KEY_USE_COMPACTION; |
| 27 | |
| 28 | import static com.android.server.am.ActivityManagerService.Injector; |
| 29 | import static com.android.server.am.AppCompactor.compactActionIntToString; |
| 30 | |
| 31 | import static com.google.common.truth.Truth.assertThat; |
| 32 | |
| 33 | import android.os.Handler; |
| 34 | import android.os.HandlerThread; |
| 35 | import android.provider.DeviceConfig; |
| 36 | |
| 37 | import com.android.server.appop.AppOpsService; |
| 38 | import com.android.server.testables.TestableDeviceConfig; |
| 39 | |
| 40 | import org.junit.After; |
| 41 | import org.junit.Before; |
| 42 | import org.junit.Rule; |
| 43 | import org.junit.Test; |
| 44 | import org.junit.runner.RunWith; |
| 45 | import org.mockito.Mock; |
| 46 | import org.mockito.junit.MockitoJUnitRunner; |
| 47 | |
| 48 | import java.io.File; |
| 49 | import java.util.concurrent.CountDownLatch; |
| 50 | import java.util.concurrent.TimeUnit; |
| 51 | |
| 52 | /** |
| 53 | * Tests for {@link AppCompactor}. |
| 54 | * |
| 55 | * Build/Install/Run: |
| 56 | * atest FrameworksServicesTests:AppCompactorTest |
| 57 | */ |
| 58 | @RunWith(MockitoJUnitRunner.class) |
| 59 | public final class AppCompactorTest { |
| 60 | |
| 61 | @Mock |
| 62 | private AppOpsService mAppOpsService; |
| 63 | private AppCompactor mCompactorUnderTest; |
| 64 | private HandlerThread mHandlerThread; |
| 65 | private Handler mHandler; |
| 66 | private CountDownLatch mCountDown; |
| 67 | |
| 68 | @Rule |
| 69 | public TestableDeviceConfig mDeviceConfig = new TestableDeviceConfig(); |
| 70 | |
| 71 | @Before |
| 72 | public void setUp() { |
| 73 | mHandlerThread = new HandlerThread(""); |
| 74 | mHandlerThread.start(); |
| 75 | mHandler = new Handler(mHandlerThread.getLooper()); |
| 76 | ActivityManagerService ams = new ActivityManagerService(new TestInjector()); |
| 77 | mCompactorUnderTest = new AppCompactor(ams, |
| 78 | new AppCompactor.PropertyChangedCallbackForTest() { |
| 79 | @Override |
| 80 | public void onPropertyChanged() { |
| 81 | if (mCountDown != null) { |
| 82 | mCountDown.countDown(); |
| 83 | } |
| 84 | } |
| 85 | }); |
| 86 | } |
| 87 | |
| 88 | @After |
| 89 | public void tearDown() { |
| 90 | mHandlerThread.quit(); |
| 91 | mCountDown = null; |
| 92 | } |
| 93 | |
| 94 | @Test |
| 95 | public void init_setsDefaults() { |
| 96 | mCompactorUnderTest.init(); |
| 97 | assertThat(mCompactorUnderTest.useCompaction()).isEqualTo( |
| 98 | AppCompactor.DEFAULT_USE_COMPACTION); |
| 99 | assertThat(mCompactorUnderTest.mCompactActionSome).isEqualTo( |
| 100 | compactActionIntToString(AppCompactor.DEFAULT_COMPACT_ACTION_1)); |
| 101 | assertThat(mCompactorUnderTest.mCompactActionFull).isEqualTo( |
| 102 | compactActionIntToString(AppCompactor.DEFAULT_COMPACT_ACTION_2)); |
| 103 | assertThat(mCompactorUnderTest.mCompactThrottleSomeSome).isEqualTo( |
| 104 | AppCompactor.DEFAULT_COMPACT_THROTTLE_1); |
| 105 | assertThat(mCompactorUnderTest.mCompactThrottleSomeFull).isEqualTo( |
| 106 | AppCompactor.DEFAULT_COMPACT_THROTTLE_2); |
| 107 | assertThat(mCompactorUnderTest.mCompactThrottleFullSome).isEqualTo( |
| 108 | AppCompactor.DEFAULT_COMPACT_THROTTLE_3); |
| 109 | assertThat(mCompactorUnderTest.mCompactThrottleFullFull).isEqualTo( |
| 110 | AppCompactor.DEFAULT_COMPACT_THROTTLE_4); |
| 111 | assertThat(mCompactorUnderTest.mStatsdSampleRate).isEqualTo( |
| 112 | AppCompactor.DEFAULT_STATSD_SAMPLE_RATE); |
| 113 | } |
| 114 | |
| 115 | @Test |
| 116 | public void init_withDeviceConfigSetsParameters() { |
| 117 | // When the DeviceConfig already has a flag value stored (note this test will need to |
| 118 | // change if the default value changes from false). |
| 119 | assertThat(AppCompactor.DEFAULT_USE_COMPACTION).isFalse(); |
| 120 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 121 | KEY_USE_COMPACTION, "true", false); |
| 122 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 123 | KEY_COMPACT_ACTION_1, |
| 124 | Integer.toString((AppCompactor.DEFAULT_COMPACT_ACTION_1 + 1 % 4) + 1), false); |
| 125 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 126 | KEY_COMPACT_ACTION_2, |
| 127 | Integer.toString((AppCompactor.DEFAULT_COMPACT_ACTION_2 + 1 % 4) + 1), false); |
| 128 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 129 | KEY_COMPACT_THROTTLE_1, |
| 130 | Long.toString(AppCompactor.DEFAULT_COMPACT_THROTTLE_1 + 1), false); |
| 131 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 132 | KEY_COMPACT_THROTTLE_2, |
| 133 | Long.toString(AppCompactor.DEFAULT_COMPACT_THROTTLE_2 + 1), false); |
| 134 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 135 | KEY_COMPACT_THROTTLE_3, |
| 136 | Long.toString(AppCompactor.DEFAULT_COMPACT_THROTTLE_3 + 1), false); |
| 137 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 138 | KEY_COMPACT_THROTTLE_4, |
| 139 | Long.toString(AppCompactor.DEFAULT_COMPACT_THROTTLE_4 + 1), false); |
| 140 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 141 | KEY_COMPACT_STATSD_SAMPLE_RATE, |
| 142 | Float.toString(AppCompactor.DEFAULT_STATSD_SAMPLE_RATE + 0.1f), false); |
| 143 | |
| 144 | // Then calling init will read and set that flag. |
| 145 | mCompactorUnderTest.init(); |
| 146 | assertThat(mCompactorUnderTest.useCompaction()).isTrue(); |
| 147 | assertThat(mCompactorUnderTest.mCompactionThread.isAlive()).isTrue(); |
| 148 | |
| 149 | assertThat(mCompactorUnderTest.mCompactActionSome).isEqualTo( |
| 150 | compactActionIntToString((AppCompactor.DEFAULT_COMPACT_ACTION_1 + 1 % 4) + 1)); |
| 151 | assertThat(mCompactorUnderTest.mCompactActionFull).isEqualTo( |
| 152 | compactActionIntToString((AppCompactor.DEFAULT_COMPACT_ACTION_2 + 1 % 4) + 1)); |
| 153 | assertThat(mCompactorUnderTest.mCompactThrottleSomeSome).isEqualTo( |
| 154 | AppCompactor.DEFAULT_COMPACT_THROTTLE_1 + 1); |
| 155 | assertThat(mCompactorUnderTest.mCompactThrottleSomeFull).isEqualTo( |
| 156 | AppCompactor.DEFAULT_COMPACT_THROTTLE_2 + 1); |
| 157 | assertThat(mCompactorUnderTest.mCompactThrottleFullSome).isEqualTo( |
| 158 | AppCompactor.DEFAULT_COMPACT_THROTTLE_3 + 1); |
| 159 | assertThat(mCompactorUnderTest.mCompactThrottleFullFull).isEqualTo( |
| 160 | AppCompactor.DEFAULT_COMPACT_THROTTLE_4 + 1); |
| 161 | assertThat(mCompactorUnderTest.mStatsdSampleRate).isEqualTo( |
| 162 | AppCompactor.DEFAULT_STATSD_SAMPLE_RATE + 0.1f); |
| 163 | } |
| 164 | |
| 165 | @Test |
| 166 | public void useCompaction_listensToDeviceConfigChanges() throws InterruptedException { |
| 167 | assertThat(mCompactorUnderTest.useCompaction()).isEqualTo( |
| 168 | AppCompactor.DEFAULT_USE_COMPACTION); |
| 169 | // When we call init and change some the flag value... |
| 170 | mCompactorUnderTest.init(); |
| 171 | mCountDown = new CountDownLatch(1); |
| 172 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 173 | KEY_USE_COMPACTION, "true", false); |
| 174 | assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue(); |
| 175 | |
| 176 | // Then that new flag value is updated in the implementation. |
| 177 | assertThat(mCompactorUnderTest.useCompaction()).isTrue(); |
| 178 | assertThat(mCompactorUnderTest.mCompactionThread.isAlive()).isTrue(); |
| 179 | |
| 180 | // And again, setting the flag the other way. |
| 181 | mCountDown = new CountDownLatch(1); |
| 182 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 183 | KEY_USE_COMPACTION, "false", false); |
| 184 | assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue(); |
| 185 | assertThat(mCompactorUnderTest.useCompaction()).isFalse(); |
| 186 | } |
| 187 | |
| 188 | @Test |
| 189 | public void useCompaction_listensToDeviceConfigChangesBadValues() throws InterruptedException { |
| 190 | assertThat(mCompactorUnderTest.useCompaction()).isEqualTo( |
| 191 | AppCompactor.DEFAULT_USE_COMPACTION); |
| 192 | mCompactorUnderTest.init(); |
| 193 | |
| 194 | // When we push an invalid flag value... |
| 195 | mCountDown = new CountDownLatch(1); |
| 196 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 197 | KEY_USE_COMPACTION, "foobar", false); |
| 198 | assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue(); |
| 199 | |
| 200 | // Then we set the default. |
| 201 | assertThat(mCompactorUnderTest.useCompaction()).isEqualTo( |
| 202 | AppCompactor.DEFAULT_USE_COMPACTION); |
| 203 | } |
| 204 | |
| 205 | @Test |
| 206 | public void compactAction_listensToDeviceConfigChanges() throws InterruptedException { |
| 207 | mCompactorUnderTest.init(); |
| 208 | |
| 209 | // When we override new values for the compaction action with reasonable values... |
| 210 | |
| 211 | // There are four possible values for compactAction[Some|Full]. |
| 212 | for (int i = 1; i < 5; i++) { |
| 213 | mCountDown = new CountDownLatch(2); |
| 214 | int expectedSome = (AppCompactor.DEFAULT_COMPACT_ACTION_1 + i) % 4 + 1; |
| 215 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 216 | KEY_COMPACT_ACTION_1, Integer.toString(expectedSome), false); |
| 217 | int expectedFull = (AppCompactor.DEFAULT_COMPACT_ACTION_2 + i) % 4 + 1; |
| 218 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 219 | KEY_COMPACT_ACTION_2, Integer.toString(expectedFull), false); |
| 220 | assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue(); |
| 221 | |
| 222 | // Then the updates are reflected in the flags. |
| 223 | assertThat(mCompactorUnderTest.mCompactActionSome).isEqualTo( |
| 224 | compactActionIntToString(expectedSome)); |
| 225 | assertThat(mCompactorUnderTest.mCompactActionFull).isEqualTo( |
| 226 | compactActionIntToString(expectedFull)); |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | @Test |
| 231 | public void compactAction_listensToDeviceConfigChangesBadValues() throws InterruptedException { |
| 232 | mCompactorUnderTest.init(); |
| 233 | |
| 234 | // When we override new values for the compaction action with bad values ... |
| 235 | mCountDown = new CountDownLatch(2); |
| 236 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 237 | KEY_COMPACT_ACTION_1, "foo", false); |
| 238 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 239 | KEY_COMPACT_ACTION_2, "foo", false); |
| 240 | assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue(); |
| 241 | |
| 242 | // Then the default values are reflected in the flag |
| 243 | assertThat(mCompactorUnderTest.mCompactActionSome).isEqualTo( |
| 244 | compactActionIntToString(AppCompactor.DEFAULT_COMPACT_ACTION_1)); |
| 245 | assertThat(mCompactorUnderTest.mCompactActionFull).isEqualTo( |
| 246 | compactActionIntToString(AppCompactor.DEFAULT_COMPACT_ACTION_2)); |
| 247 | |
| 248 | mCountDown = new CountDownLatch(2); |
| 249 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 250 | KEY_COMPACT_ACTION_1, "", false); |
| 251 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 252 | KEY_COMPACT_ACTION_2, "", false); |
| 253 | assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue(); |
| 254 | |
| 255 | assertThat(mCompactorUnderTest.mCompactActionSome).isEqualTo( |
| 256 | compactActionIntToString(AppCompactor.DEFAULT_COMPACT_ACTION_1)); |
| 257 | assertThat(mCompactorUnderTest.mCompactActionFull).isEqualTo( |
| 258 | compactActionIntToString(AppCompactor.DEFAULT_COMPACT_ACTION_2)); |
| 259 | } |
| 260 | |
| 261 | @Test |
| 262 | public void compactThrottle_listensToDeviceConfigChanges() throws InterruptedException { |
| 263 | mCompactorUnderTest.init(); |
| 264 | |
| 265 | // When we override new reasonable throttle values after init... |
| 266 | mCountDown = new CountDownLatch(4); |
| 267 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 268 | KEY_COMPACT_THROTTLE_1, |
| 269 | Long.toString(AppCompactor.DEFAULT_COMPACT_THROTTLE_1 + 1), false); |
| 270 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 271 | KEY_COMPACT_THROTTLE_2, |
| 272 | Long.toString(AppCompactor.DEFAULT_COMPACT_THROTTLE_2 + 1), false); |
| 273 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 274 | KEY_COMPACT_THROTTLE_3, |
| 275 | Long.toString(AppCompactor.DEFAULT_COMPACT_THROTTLE_3 + 1), false); |
| 276 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 277 | KEY_COMPACT_THROTTLE_4, |
| 278 | Long.toString(AppCompactor.DEFAULT_COMPACT_THROTTLE_4 + 1), false); |
| 279 | assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue(); |
| 280 | |
| 281 | // Then those flags values are reflected in the compactor. |
| 282 | assertThat(mCompactorUnderTest.mCompactThrottleSomeSome).isEqualTo( |
| 283 | AppCompactor.DEFAULT_COMPACT_THROTTLE_1 + 1); |
| 284 | assertThat(mCompactorUnderTest.mCompactThrottleSomeFull).isEqualTo( |
| 285 | AppCompactor.DEFAULT_COMPACT_THROTTLE_2 + 1); |
| 286 | assertThat(mCompactorUnderTest.mCompactThrottleFullSome).isEqualTo( |
| 287 | AppCompactor.DEFAULT_COMPACT_THROTTLE_3 + 1); |
| 288 | assertThat(mCompactorUnderTest.mCompactThrottleFullFull).isEqualTo( |
| 289 | AppCompactor.DEFAULT_COMPACT_THROTTLE_4 + 1); |
| 290 | } |
| 291 | |
| 292 | @Test |
| 293 | public void compactThrottle_listensToDeviceConfigChangesBadValues() |
| 294 | throws InterruptedException { |
| 295 | mCompactorUnderTest.init(); |
| 296 | |
| 297 | // When one of the throttles is overridden with a bad value... |
| 298 | mCountDown = new CountDownLatch(1); |
| 299 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 300 | KEY_COMPACT_THROTTLE_1, "foo", false); |
| 301 | // Then all the throttles have the defaults set. |
| 302 | assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue(); |
| 303 | assertThat(mCompactorUnderTest.mCompactThrottleSomeSome).isEqualTo( |
| 304 | AppCompactor.DEFAULT_COMPACT_THROTTLE_1); |
| 305 | assertThat(mCompactorUnderTest.mCompactThrottleSomeFull).isEqualTo( |
| 306 | AppCompactor.DEFAULT_COMPACT_THROTTLE_2); |
| 307 | assertThat(mCompactorUnderTest.mCompactThrottleFullSome).isEqualTo( |
| 308 | AppCompactor.DEFAULT_COMPACT_THROTTLE_3); |
| 309 | assertThat(mCompactorUnderTest.mCompactThrottleFullFull).isEqualTo( |
| 310 | AppCompactor.DEFAULT_COMPACT_THROTTLE_4); |
| 311 | |
| 312 | // Repeat for each of the throttle keys. |
| 313 | mCountDown = new CountDownLatch(1); |
| 314 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 315 | KEY_COMPACT_THROTTLE_2, "foo", false); |
| 316 | assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue(); |
| 317 | assertThat(mCompactorUnderTest.mCompactThrottleSomeSome).isEqualTo( |
| 318 | AppCompactor.DEFAULT_COMPACT_THROTTLE_1); |
| 319 | assertThat(mCompactorUnderTest.mCompactThrottleSomeFull).isEqualTo( |
| 320 | AppCompactor.DEFAULT_COMPACT_THROTTLE_2); |
| 321 | assertThat(mCompactorUnderTest.mCompactThrottleFullSome).isEqualTo( |
| 322 | AppCompactor.DEFAULT_COMPACT_THROTTLE_3); |
| 323 | assertThat(mCompactorUnderTest.mCompactThrottleFullFull).isEqualTo( |
| 324 | AppCompactor.DEFAULT_COMPACT_THROTTLE_4); |
| 325 | |
| 326 | mCountDown = new CountDownLatch(1); |
| 327 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 328 | KEY_COMPACT_THROTTLE_3, "foo", false); |
| 329 | assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue(); |
| 330 | assertThat(mCompactorUnderTest.mCompactThrottleSomeSome).isEqualTo( |
| 331 | AppCompactor.DEFAULT_COMPACT_THROTTLE_1); |
| 332 | assertThat(mCompactorUnderTest.mCompactThrottleSomeFull).isEqualTo( |
| 333 | AppCompactor.DEFAULT_COMPACT_THROTTLE_2); |
| 334 | assertThat(mCompactorUnderTest.mCompactThrottleFullSome).isEqualTo( |
| 335 | AppCompactor.DEFAULT_COMPACT_THROTTLE_3); |
| 336 | assertThat(mCompactorUnderTest.mCompactThrottleFullFull).isEqualTo( |
| 337 | AppCompactor.DEFAULT_COMPACT_THROTTLE_4); |
| 338 | |
| 339 | mCountDown = new CountDownLatch(1); |
| 340 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 341 | KEY_COMPACT_THROTTLE_4, "foo", false); |
| 342 | assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue(); |
| 343 | assertThat(mCompactorUnderTest.mCompactThrottleSomeSome).isEqualTo( |
| 344 | AppCompactor.DEFAULT_COMPACT_THROTTLE_1); |
| 345 | assertThat(mCompactorUnderTest.mCompactThrottleSomeFull).isEqualTo( |
| 346 | AppCompactor.DEFAULT_COMPACT_THROTTLE_2); |
| 347 | assertThat(mCompactorUnderTest.mCompactThrottleFullSome).isEqualTo( |
| 348 | AppCompactor.DEFAULT_COMPACT_THROTTLE_3); |
| 349 | assertThat(mCompactorUnderTest.mCompactThrottleFullFull).isEqualTo( |
| 350 | AppCompactor.DEFAULT_COMPACT_THROTTLE_4); |
| 351 | } |
| 352 | |
| 353 | @Test |
| 354 | public void statsdSampleRate_listensToDeviceConfigChanges() throws InterruptedException { |
| 355 | mCompactorUnderTest.init(); |
| 356 | |
| 357 | // When we override mStatsdSampleRate with a reasonable values ... |
| 358 | mCountDown = new CountDownLatch(1); |
| 359 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 360 | KEY_COMPACT_STATSD_SAMPLE_RATE, |
| 361 | Float.toString(AppCompactor.DEFAULT_STATSD_SAMPLE_RATE + 0.1f), false); |
| 362 | assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue(); |
| 363 | |
| 364 | // Then that override is reflected in the compactor. |
| 365 | assertThat(mCompactorUnderTest.mStatsdSampleRate).isEqualTo( |
| 366 | AppCompactor.DEFAULT_STATSD_SAMPLE_RATE + 0.1f); |
| 367 | } |
| 368 | |
| 369 | @Test |
| 370 | public void statsdSanokeRate_listensToDeviceConfigChangesBadValues() |
| 371 | throws InterruptedException { |
| 372 | mCompactorUnderTest.init(); |
| 373 | |
| 374 | // When we override mStatsdSampleRate with a reasonable values ... |
| 375 | mCountDown = new CountDownLatch(1); |
| 376 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 377 | KEY_COMPACT_STATSD_SAMPLE_RATE, "foo", false); |
| 378 | assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue(); |
| 379 | |
| 380 | // Then that override is reflected in the compactor. |
| 381 | assertThat(mCompactorUnderTest.mStatsdSampleRate).isEqualTo( |
| 382 | AppCompactor.DEFAULT_STATSD_SAMPLE_RATE); |
| 383 | } |
| 384 | |
| 385 | @Test |
| 386 | public void statsdSanokeRate_listensToDeviceConfigChangesOutOfRangeValues() |
| 387 | throws InterruptedException { |
| 388 | mCompactorUnderTest.init(); |
| 389 | |
| 390 | // When we override mStatsdSampleRate with an value outside of [0..1]... |
| 391 | mCountDown = new CountDownLatch(1); |
| 392 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 393 | KEY_COMPACT_STATSD_SAMPLE_RATE, |
| 394 | Float.toString(-1.0f), false); |
| 395 | assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue(); |
| 396 | |
| 397 | // Then the values is capped in the range. |
| 398 | assertThat(mCompactorUnderTest.mStatsdSampleRate).isEqualTo(0.0f); |
| 399 | |
| 400 | mCountDown = new CountDownLatch(1); |
| 401 | DeviceConfig.setProperty(DeviceConfig.ActivityManager.NAMESPACE, |
| 402 | KEY_COMPACT_STATSD_SAMPLE_RATE, |
| 403 | Float.toString(1.01f), false); |
| 404 | assertThat(mCountDown.await(5, TimeUnit.SECONDS)).isTrue(); |
| 405 | |
| 406 | // Then the values is capped in the range. |
| 407 | assertThat(mCompactorUnderTest.mStatsdSampleRate).isEqualTo(1.0f); |
| 408 | } |
| 409 | |
| 410 | private class TestInjector extends Injector { |
| 411 | @Override |
| 412 | public AppOpsService getAppOpsService(File file, Handler handler) { |
| 413 | return mAppOpsService; |
| 414 | } |
| 415 | |
| 416 | @Override |
| 417 | public Handler getUiHandler(ActivityManagerService service) { |
| 418 | return mHandler; |
| 419 | } |
| 420 | } |
| 421 | } |