@Test
public void testUnexpectedSavepointBackend() throws Exception {
Configuration config = new Configuration();
config.setString(SavepointStoreFactory.SAVEPOINT_BACKEND_KEY, "unexpected");
SavepointStore store = SavepointStoreFactory.createFromConfig(config);
assertTrue(store.getStateStore() instanceof HeapStateStore);
}
@Test
public void testSavepointBackendFileSystemButNoDirectory() throws Exception {
Configuration config = new Configuration();
config.setString(SavepointStoreFactory.SAVEPOINT_BACKEND_KEY, "filesystem");
SavepointStore store = SavepointStoreFactory.createFromConfig(config);
assertTrue(store.getStateStore() instanceof HeapStateStore);
}
@Test
public void testSavepointBackendFileSystemButCheckpointBackendJobManager() throws Exception {
Configuration config = new Configuration();
// This combination does not make sense, because the checkpoints will be
// lost after the job manager shuts down.
config.setString(ConfigConstants.STATE_BACKEND, "jobmanager");
config.setString(SavepointStoreFactory.SAVEPOINT_BACKEND_KEY, "filesystem");
SavepointStore store = SavepointStoreFactory.createFromConfig(config);
assertTrue(store.getStateStore() instanceof HeapStateStore);
}
@Test
public void testSavepointBackendFileSystem() throws Exception {
Configuration config = new Configuration();
String rootPath = System.getProperty("java.io.tmpdir");
config.setString(ConfigConstants.STATE_BACKEND, "filesystem");
config.setString(SavepointStoreFactory.SAVEPOINT_BACKEND_KEY, "filesystem");
config.setString(SavepointStoreFactory.SAVEPOINT_DIRECTORY_KEY, rootPath);
SavepointStore store = SavepointStoreFactory.createFromConfig(config);
assertTrue(store.getStateStore() instanceof FileSystemStateStore);
FileSystemStateStore<CompletedCheckpoint> stateStore =
(FileSystemStateStore<CompletedCheckpoint>) store.getStateStore();
assertEquals(new Path(rootPath), stateStore.getRootPath());
}
@Test
public void testStateStoreWithDefaultConfig() throws Exception {
SavepointStore store = SavepointStoreFactory.createFromConfig(new Configuration());
assertTrue(store.getStateStore() instanceof HeapStateStore);
}