/*
* The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
* (the "License"). You may not use this work except in compliance with the License, which is
* available at www.apache.org/licenses/LICENSE-2.0
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied, as more fully set forth in the License.
*
* See the NOTICE file distributed with this work for information regarding copyright ownership.
*/
package alluxio.worker.file;
import alluxio.exception.status.UnavailableException;
import alluxio.thrift.FileSystemCommand;
import com.google.common.collect.Lists;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mockito;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import java.util.List;
import java.util.concurrent.atomic.AtomicReference;
/**
* Tests {@link FileWorkerMasterSyncExecutor}.
*/
@RunWith(PowerMockRunner.class)
@PrepareForTest({FileDataManager.class, FileSystemMasterClient.class})
public final class FileWorkerMasterSyncExecutorTest {
private FileDataManager mFileDataManager;
private FileSystemMasterClient mFileSystemMasterClient;
private FileWorkerMasterSyncExecutor mFileWorkerMasterSyncExecutor;
@Before
public void before() {
mFileDataManager = Mockito.mock(FileDataManager.class);
mFileSystemMasterClient = Mockito.mock(FileSystemMasterClient.class);
mFileWorkerMasterSyncExecutor = new FileWorkerMasterSyncExecutor(mFileDataManager,
mFileSystemMasterClient, new AtomicReference<>(10L));
}
/**
* {@link FileDataManager#clearPersistedFiles(java.util.List)} is not called when the heartbeat
* of {@link FileSystemMasterClient} fails.
*/
@Test
public void heartbeatFailure() throws Exception {
List<Long> persistedFiles = Lists.newArrayList(1L);
Mockito.when(mFileDataManager.getPersistedFiles()).thenReturn(persistedFiles);
// first time fails, second time passes
Mockito.when(mFileSystemMasterClient.heartbeat(Mockito.anyLong(), Mockito.eq(persistedFiles)))
.thenThrow(new UnavailableException("failure"));
mFileWorkerMasterSyncExecutor.heartbeat();
Mockito.verify(mFileDataManager, Mockito.never()).clearPersistedFiles(persistedFiles);
}
/**
* Verifies {@link FileDataManager#clearPersistedFiles(java.util.List)} is called when the
* heartbeat is successful.
*/
@Test
public void heartbeat() throws Exception {
List<Long> persistedFiles = Lists.newArrayList(1L);
Mockito.when(mFileDataManager.getPersistedFiles()).thenReturn(persistedFiles);
// first time fails, second time passes
Mockito.when(mFileSystemMasterClient.heartbeat(Mockito.anyLong(), Mockito.eq(persistedFiles)))
.thenReturn(new FileSystemCommand());
mFileWorkerMasterSyncExecutor.heartbeat();
Mockito.verify(mFileDataManager).clearPersistedFiles(persistedFiles);
}
}