- }};
- }
-
- @Test(expected=NoShardLeaderException.class)
- public void testTransactionCommitFailureWithNoShardLeader() throws Throwable{
- new IntegrationTestKit(getSystem()) {{
- String testName = "testTransactionCommitFailureWithNoShardLeader";
- String shardName = "test-1";
-
- // We don't want the shard to become the leader so prevent shard election from completing
- // by setting the election timeout, which is based on the heartbeat interval, really high.
-
- datastoreContextBuilder.shardHeartbeatIntervalInMillis(30000);
-
- // Set the leader election timeout low for the test.
-
- datastoreContextBuilder.shardLeaderElectionTimeout(1, TimeUnit.MILLISECONDS);
-
- DistributedDataStore dataStore = setupDistributedDataStore(testName, false, shardName);
-
- // Create the write Tx.
-
- final DOMStoreWriteTransaction writeTx = dataStore.newWriteOnlyTransaction();
- assertNotNull("newReadWriteTransaction returned null", writeTx);
-
- // Do some modifications and ready the Tx on a separate thread.
-
- final AtomicReference<DOMStoreThreePhaseCommitCohort> txCohort = new AtomicReference<>();
- final AtomicReference<Exception> caughtEx = new AtomicReference<>();
- final CountDownLatch txReady = new CountDownLatch(1);
- Thread txThread = new Thread() {
- @Override
- public void run() {
- try {
- writeTx.write(TestModel.TEST_PATH,
- ImmutableNodes.containerNode(TestModel.TEST_QNAME));
-
- txCohort.set(writeTx.ready());
- } catch(Exception e) {
- caughtEx.set(e);
- return;
- } finally {
- txReady.countDown();
- }
- }
- };
-
- txThread.start();
-
- // Wait for the Tx operations to complete.
-
- boolean done = Uninterruptibles.awaitUninterruptibly(txReady, 5, TimeUnit.SECONDS);
- if(caughtEx.get() != null) {
- throw caughtEx.get();
- }
-
- assertEquals("Tx ready", true, done);
-
- // Wait for the commit to complete. Since no shard leader was elected in time, the Tx
- // should have timed out and throw an appropriate exception cause.
-
- try {
- txCohort.get().canCommit().get(5, TimeUnit.SECONDS);
- } catch(ExecutionException e) {
- throw e.getCause();
- } finally {
- cleanup(dataStore);
- }
- }};
- }
-
- @Test
- public void testTransactionAbort() throws Exception{
- System.setProperty("shard.persistent", "true");
- new IntegrationTestKit(getSystem()) {{
- DistributedDataStore dataStore =
- setupDistributedDataStore("transactionAbortIntegrationTest", "test-1");
-
- DOMStoreWriteTransaction writeTx = dataStore.newWriteOnlyTransaction();
- assertNotNull("newWriteOnlyTransaction returned null", writeTx);
-
- writeTx.write(TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
-
- DOMStoreThreePhaseCommitCohort cohort = writeTx.ready();
-
- cohort.canCommit().get(5, TimeUnit.SECONDS);
-
- cohort.abort().get(5, TimeUnit.SECONDS);
-
- testWriteTransaction(dataStore, TestModel.TEST_PATH,
- ImmutableNodes.containerNode(TestModel.TEST_QNAME));
-
- cleanup(dataStore);
- }};
- }
-
- @Test
- public void testTransactionChain() throws Exception{
- new IntegrationTestKit(getSystem()) {{
- DistributedDataStore dataStore = setupDistributedDataStore("testTransactionChain", "test-1");
-
- // 1. Create a Tx chain and write-only Tx
-
- DOMStoreTransactionChain txChain = dataStore.createTransactionChain();
-
- DOMStoreWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
- assertNotNull("newWriteOnlyTransaction returned null", writeTx);
-
- // 2. Write some data
-
- NormalizedNode<?, ?> testNode = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
- writeTx.write(TestModel.TEST_PATH, testNode);
-
- // 3. Ready the Tx for commit
-
- final DOMStoreThreePhaseCommitCohort cohort1 = writeTx.ready();
-
- // 4. Commit the Tx on another thread that first waits for the second read Tx.
-
- final CountDownLatch continueCommit1 = new CountDownLatch(1);
- final CountDownLatch commit1Done = new CountDownLatch(1);
- final AtomicReference<Exception> commit1Error = new AtomicReference<>();
- new Thread() {
- @Override
- public void run() {
- try {
- continueCommit1.await();
- doCommit(cohort1);
- } catch (Exception e) {
- commit1Error.set(e);
- } finally {
- commit1Done.countDown();
- }
- }
- }.start();
-
- // 5. Create a new read Tx from the chain to read and verify the data from the first
- // Tx is visible after being readied.
-
- DOMStoreReadTransaction readTx = txChain.newReadOnlyTransaction();
- Optional<NormalizedNode<?, ?>> optional = readTx.read(TestModel.TEST_PATH).get(5, TimeUnit.SECONDS);
- assertEquals("isPresent", true, optional.isPresent());
- assertEquals("Data node", testNode, optional.get());
-
- // 6. Create a new RW Tx from the chain, write more data, and ready it
-
- DOMStoreReadWriteTransaction rwTx = txChain.newReadWriteTransaction();
- MapNode outerNode = ImmutableNodes.mapNodeBuilder(TestModel.OUTER_LIST_QNAME).build();
- rwTx.write(TestModel.OUTER_LIST_PATH, outerNode);
-
- DOMStoreThreePhaseCommitCohort cohort2 = rwTx.ready();
-
- // 7. Create a new read Tx from the chain to read the data from the last RW Tx to
- // verify it is visible.
-
- readTx = txChain.newReadWriteTransaction();
- optional = readTx.read(TestModel.OUTER_LIST_PATH).get(5, TimeUnit.SECONDS);
- assertEquals("isPresent", true, optional.isPresent());
- assertEquals("Data node", outerNode, optional.get());
-
- // 8. Wait for the 2 commits to complete and close the chain.
-
- continueCommit1.countDown();
- Uninterruptibles.awaitUninterruptibly(commit1Done, 5, TimeUnit.SECONDS);
-
- if(commit1Error.get() != null) {
- throw commit1Error.get();
- }
-
- doCommit(cohort2);
-
- txChain.close();
-
- // 9. Create a new read Tx from the data store and verify committed data.
-
- readTx = dataStore.newReadOnlyTransaction();
- optional = readTx.read(TestModel.OUTER_LIST_PATH).get(5, TimeUnit.SECONDS);
- assertEquals("isPresent", true, optional.isPresent());
- assertEquals("Data node", outerNode, optional.get());
-
- cleanup(dataStore);
- }};
- }
-
- @Test
- public void testCreateChainedTransactionsInQuickSuccession() throws Exception{
- new IntegrationTestKit(getSystem()) {{
- DistributedDataStore dataStore = setupDistributedDataStore(
- "testCreateChainedTransactionsInQuickSuccession", "test-1");
-
- DOMStoreTransactionChain txChain = dataStore.createTransactionChain();
-
- NormalizedNode<?, ?> testNode = ImmutableNodes.containerNode(TestModel.TEST_QNAME);
-
- int nTxs = 20;
- List<DOMStoreThreePhaseCommitCohort> cohorts = new ArrayList<>(nTxs);
- for(int i = 0; i < nTxs; i++) {
- DOMStoreReadWriteTransaction rwTx = txChain.newReadWriteTransaction();
-
- rwTx.merge(TestModel.TEST_PATH, testNode);
-
- cohorts.add(rwTx.ready());
-
- }
-
- for(DOMStoreThreePhaseCommitCohort cohort: cohorts) {
- doCommit(cohort);
- }
-
- txChain.close();
-
- cleanup(dataStore);
- }};
- }
-
- @Test
- public void testCreateChainedTransactionAfterEmptyTxReadied() throws Exception{
- new IntegrationTestKit(getSystem()) {{
- DistributedDataStore dataStore = setupDistributedDataStore(
- "testCreateChainedTransactionAfterEmptyTxReadied", "test-1");
-
- DOMStoreTransactionChain txChain = dataStore.createTransactionChain();
-
- DOMStoreReadWriteTransaction rwTx1 = txChain.newReadWriteTransaction();
-
- rwTx1.ready();
-
- DOMStoreReadWriteTransaction rwTx2 = txChain.newReadWriteTransaction();
-
- Optional<NormalizedNode<?, ?>> optional = rwTx2.read(TestModel.TEST_PATH).get(5, TimeUnit.SECONDS);
- assertEquals("isPresent", false, optional.isPresent());
-
- txChain.close();
-
- cleanup(dataStore);
- }};
- }
-
- @Test
- public void testCreateChainedTransactionWhenPreviousNotReady() throws Throwable {
- new IntegrationTestKit(getSystem()) {{
- DistributedDataStore dataStore = setupDistributedDataStore(
- "testCreateChainedTransactionWhenPreviousNotReady", "test-1");
-
- final DOMStoreTransactionChain txChain = dataStore.createTransactionChain();
-
- DOMStoreWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
- assertNotNull("newWriteOnlyTransaction returned null", writeTx);
-
- writeTx.write(TestModel.TEST_PATH, ImmutableNodes.containerNode(TestModel.TEST_QNAME));
-
- // Try to create another Tx of each type - each should fail b/c the previous Tx wasn't
- // readied.
-
- assertExceptionOnTxChainCreates(txChain, IllegalStateException.class);
- }};
- }
-
- @Test
- public void testCreateChainedTransactionAfterClose() throws Throwable {
- new IntegrationTestKit(getSystem()) {{
- DistributedDataStore dataStore = setupDistributedDataStore(
- "testCreateChainedTransactionAfterClose", "test-1");
-
- DOMStoreTransactionChain txChain = dataStore.createTransactionChain();
-
- txChain.close();
-
- // Try to create another Tx of each type - should fail b/c the previous Tx was closed.
-
- assertExceptionOnTxChainCreates(txChain, TransactionChainClosedException.class);
- }};
- }
-
- @Test
- public void testChangeListenerRegistration() throws Exception{
- new IntegrationTestKit(getSystem()) {{
- DistributedDataStore dataStore =
- setupDistributedDataStore("testChangeListenerRegistration", "test-1");
-
- testWriteTransaction(dataStore, TestModel.TEST_PATH,
- ImmutableNodes.containerNode(TestModel.TEST_QNAME));
-
- MockDataChangeListener listener = new MockDataChangeListener(1);
-
- ListenerRegistration<MockDataChangeListener>
- listenerReg = dataStore.registerChangeListener(TestModel.TEST_PATH, listener,
- DataChangeScope.SUBTREE);
-
- assertNotNull("registerChangeListener returned null", listenerReg);
-
- // Wait for the initial notification
-
- listener.waitForChangeEvents(TestModel.TEST_PATH);
-
- listener.reset(2);
-
- // Write 2 updates.
-
- testWriteTransaction(dataStore, TestModel.OUTER_LIST_PATH,
- ImmutableNodes.mapNodeBuilder(TestModel.OUTER_LIST_QNAME).build());
-
- YangInstanceIdentifier listPath = YangInstanceIdentifier.builder(TestModel.OUTER_LIST_PATH).
- nodeWithKey(TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, 1).build();
- testWriteTransaction(dataStore, listPath,
- ImmutableNodes.mapEntry(TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, 1));
-
- // Wait for the 2 updates.
-
- listener.waitForChangeEvents(TestModel.OUTER_LIST_PATH, listPath);
-
- listenerReg.close();
-
- testWriteTransaction(dataStore, YangInstanceIdentifier.builder(TestModel.OUTER_LIST_PATH).
- nodeWithKey(TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, 2).build(),
- ImmutableNodes.mapEntry(TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, 2));
-
- listener.expectNoMoreChanges("Received unexpected change after close");
-
- cleanup(dataStore);
- }};
- }
-
- class IntegrationTestKit extends ShardTestKit {
-
- IntegrationTestKit(ActorSystem actorSystem) {
- super(actorSystem);
- }
-
- DistributedDataStore setupDistributedDataStore(String typeName, String... shardNames) {
- return setupDistributedDataStore(typeName, true, shardNames);
- }
-
- DistributedDataStore setupDistributedDataStore(String typeName, boolean waitUntilLeader,
- String... shardNames) {
- MockClusterWrapper cluster = new MockClusterWrapper();
- Configuration config = new ConfigurationImpl("module-shards.conf", "modules.conf");
- ShardStrategyFactory.setConfiguration(config);
-
- datastoreContextBuilder.dataStoreType(typeName);
-
- DatastoreContext datastoreContext = datastoreContextBuilder.build();
-
- DistributedDataStore dataStore = new DistributedDataStore(getSystem(), cluster,
- config, datastoreContext);
-
- SchemaContext schemaContext = SchemaContextHelper.full();
- dataStore.onGlobalContextUpdated(schemaContext);
-
- if(waitUntilLeader) {
- for(String shardName: shardNames) {
- ActorRef shard = null;
- for(int i = 0; i < 20 * 5 && shard == null; i++) {
- Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
- Optional<ActorRef> shardReply = dataStore.getActorContext().findLocalShard(shardName);
- if(shardReply.isPresent()) {
- shard = shardReply.get();
- }
- }
-
- assertNotNull("Shard was not created", shard);
-
- waitUntilLeader(shard);
- }
- }
-
- return dataStore;
- }
-
- void testWriteTransaction(DistributedDataStore dataStore, YangInstanceIdentifier nodePath,
- NormalizedNode<?, ?> nodeToWrite) throws Exception {
-
- // 1. Create a write-only Tx
-
- DOMStoreWriteTransaction writeTx = dataStore.newWriteOnlyTransaction();
- assertNotNull("newWriteOnlyTransaction returned null", writeTx);
-
- // 2. Write some data
-
- writeTx.write(nodePath, nodeToWrite);
-
- // 3. Ready the Tx for commit
-
- DOMStoreThreePhaseCommitCohort cohort = writeTx.ready();
-
- // 4. Commit the Tx
-
- doCommit(cohort);
-
- // 5. Verify the data in the store
-
- DOMStoreReadTransaction readTx = dataStore.newReadOnlyTransaction();
-
- Optional<NormalizedNode<?, ?>> optional = readTx.read(nodePath).get(5, TimeUnit.SECONDS);
- assertEquals("isPresent", true, optional.isPresent());
- assertEquals("Data node", nodeToWrite, optional.get());
- }
-
- void doCommit(final DOMStoreThreePhaseCommitCohort cohort) throws Exception {
- Boolean canCommit = cohort.canCommit().get(5, TimeUnit.SECONDS);
- assertEquals("canCommit", true, canCommit);
- cohort.preCommit().get(5, TimeUnit.SECONDS);
- cohort.commit().get(5, TimeUnit.SECONDS);
- }
-
- void cleanup(DistributedDataStore dataStore) {
- dataStore.getActorContext().getShardManager().tell(PoisonPill.getInstance(), null);
- }
-
- void assertExceptionOnCall(Callable<Void> callable, Class<? extends Exception> expType)
- throws Exception {
- try {
- callable.call();
- fail("Expected " + expType.getSimpleName());
- } catch(Exception e) {
- assertEquals("Exception type", expType, e.getClass());
- }
- }
-
- void assertExceptionOnTxChainCreates(final DOMStoreTransactionChain txChain,
- Class<? extends Exception> expType) throws Exception {
- assertExceptionOnCall(new Callable<Void>() {
- @Override
- public Void call() throws Exception {
- txChain.newWriteOnlyTransaction();
- return null;
- }
- }, expType);
-
- assertExceptionOnCall(new Callable<Void>() {
- @Override
- public Void call() throws Exception {
- txChain.newReadWriteTransaction();
- return null;
- }
- }, expType);
-
- assertExceptionOnCall(new Callable<Void>() {
- @Override
- public Void call() throws Exception {
- txChain.newReadOnlyTransaction();
- return null;
- }
- }, expType);