/**
* Tests recompute executor creates a recompute plan and launches the recompute job at heartbeat.
*
* @throws Exception if anything wrong happens
*/
@Test
public void recomputeLauncherTest() throws Exception {
long fileId = 5L;
// mock planner
RecomputePlanner planner = Mockito.mock(RecomputePlanner.class);
Job job = Mockito.mock(Job.class);
Lineage lineage = new Lineage(1, new ArrayList<Long>(), Lists.newArrayList(fileId), job);
Mockito.when(planner.plan()).thenReturn(new RecomputePlan(Lists.newArrayList(lineage)));
// mock file system master
FileSystemMaster fileSystemMaster = Mockito.mock(FileSystemMaster.class);
Mockito.when(fileSystemMaster.getFileSystemMasterView())
.thenReturn(new FileSystemMasterView(fileSystemMaster));
Mockito.when(fileSystemMaster.getLostFiles()).thenReturn(Lists.newArrayList(fileId));
RecomputeExecutor executor = new RecomputeExecutor(planner, fileSystemMaster);
// wait for the executor to finish running
executor.heartbeatWithFuture().get(5, TimeUnit.SECONDS);
executor.close();
Mockito.verify(fileSystemMaster).resetFile(fileId);
Mockito.verify(job).run();
}