| /* |
| * Copyright (C) 2019 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 com.android.server.backup.internal; |
| |
| import static org.mockito.Mockito.when; |
| import static org.testng.Assert.assertFalse; |
| import static org.testng.Assert.assertThrows; |
| import static org.testng.Assert.assertTrue; |
| |
| import android.os.HandlerThread; |
| import android.os.Message; |
| import android.platform.test.annotations.Presubmit; |
| |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import com.android.server.backup.BackupAgentTimeoutParameters; |
| import com.android.server.backup.UserBackupManagerService; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| @Presubmit |
| @RunWith(AndroidJUnit4.class) |
| public class BackupHandlerTest { |
| private static final int MESSAGE_TIMEOUT_MINUTES = 1; |
| |
| @Mock private UserBackupManagerService mUserBackupManagerService; |
| @Mock private BackupAgentTimeoutParameters mTimeoutParameters; |
| |
| private HandlerThread mHandlerThread; |
| private CountDownLatch mCountDownLatch; |
| private boolean mExceptionPropagated; |
| |
| @Before |
| public void setUp() { |
| MockitoAnnotations.initMocks(/* testClass */ this); |
| when(mUserBackupManagerService.getAgentTimeoutParameters()).thenReturn(mTimeoutParameters); |
| |
| mExceptionPropagated = false; |
| mCountDownLatch = new CountDownLatch(/* count */ 1); |
| mHandlerThread = new HandlerThread("BackupHandlerTestThread"); |
| mHandlerThread.start(); |
| } |
| |
| @After |
| public void tearDown() { |
| mHandlerThread.quit(); |
| } |
| |
| @Test |
| public void testSendMessage_propagatesExceptions() throws Exception { |
| BackupHandler handler = new TestBackupHandler(/* shouldStop */ false); |
| handler.sendMessage(getMessage()); |
| mCountDownLatch.await(MESSAGE_TIMEOUT_MINUTES, TimeUnit.MINUTES); |
| |
| assertTrue(mExceptionPropagated); |
| } |
| |
| @Test |
| public void testPost_propagatesExceptions() throws Exception { |
| BackupHandler handler = new TestBackupHandler(/* shouldStop */ false); |
| handler.post(() -> {}); |
| mCountDownLatch.await(MESSAGE_TIMEOUT_MINUTES, TimeUnit.MINUTES); |
| |
| assertTrue(mExceptionPropagated); |
| } |
| |
| @Test |
| public void testSendMessage_stopping_doesntPropagateExceptions() throws Exception { |
| BackupHandler handler = new TestBackupHandler(/* shouldStop */ true); |
| handler.sendMessage(getMessage()); |
| mCountDownLatch.await(MESSAGE_TIMEOUT_MINUTES, TimeUnit.MINUTES); |
| |
| assertFalse(mExceptionPropagated); |
| } |
| |
| @Test |
| public void testPost_stopping_doesntPropagateExceptions() throws Exception { |
| BackupHandler handler = new TestBackupHandler(/* shouldStop */ true); |
| handler.post(() -> {}); |
| mCountDownLatch.await(MESSAGE_TIMEOUT_MINUTES, TimeUnit.MINUTES); |
| |
| assertFalse(mExceptionPropagated); |
| } |
| |
| private static Message getMessage() { |
| Message message = Message.obtain(); |
| message.what = -1; |
| return message; |
| } |
| |
| private class TestBackupHandler extends BackupHandler { |
| private final boolean mShouldStop; |
| |
| TestBackupHandler(boolean shouldStop) { |
| super(mUserBackupManagerService, mHandlerThread); |
| |
| mShouldStop = shouldStop; |
| } |
| |
| @Override |
| public void dispatchMessage(Message msg) { |
| try { |
| super.dispatchMessage(msg); |
| } catch (Exception e) { |
| mExceptionPropagated = true; |
| } finally { |
| mCountDownLatch.countDown(); |
| } |
| } |
| |
| @Override |
| void dispatchMessageInternal(Message msg) { |
| mIsStopping = mShouldStop; |
| throw new RuntimeException(); |
| } |
| } |
| } |