+
+ @Test
+ public void testOnReceiveFindPrimaryForNotInitialzedShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newShardMgrProps());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME).toSerializable(), getRef());
+
+ expectMsgClass(duration("5 seconds"), ActorNotInitialized.class);
+ }};
+ }
+
+ @Test
+ public void testOnReceiveFindLocalShardForNonExistentShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newShardMgrProps());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ shardManager.tell(new FindLocalShard("non-existent"), getRef());
+
+ LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
+
+ assertEquals("getShardName", "non-existent", notFound.getShardName());
+ }};
+ }
+
+ @Test
+ public void testOnReceiveFindLocalShardForExistentShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newShardMgrProps());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
+
+ shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME), getRef());
+
+ LocalShardFound found = expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+
+ assertTrue("Found path contains " + found.getPath().path().toString(),
+ found.getPath().path().toString().contains("member-1-shard-default-config"));
+ }};
+ }
+
+ @Test
+ public void testOnReceiveFindLocalShardForNotInitializedShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newShardMgrProps());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ //shardManager.tell(new ActorInitialized(), mockShardActor);
+
+ shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME), getRef());
+
+ expectMsgClass(duration("5 seconds"), ActorNotInitialized.class);
+ }};
+ }
+
+ @Test
+ public void testOnReceiveMemberUp() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newShardMgrProps());
+
+ MockClusterWrapper.sendMemberUp(shardManager, "member-2", getRef().path().toString());
+
+ shardManager.tell(new FindPrimary("astronauts").toSerializable(), getRef());
+
+ PrimaryFound found = PrimaryFound.fromSerializable(expectMsgClass(duration("5 seconds"),
+ PrimaryFound.SERIALIZABLE_CLASS));
+ String path = found.getPrimaryPath();
+ assertTrue("Found path contains " + path, path.contains("member-2-shard-astronauts-config"));
+ }};
+ }
+
+ @Test
+ public void testOnReceiveMemberDown() throws Exception {
+
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newShardMgrProps());
+
+ MockClusterWrapper.sendMemberUp(shardManager, "member-2", getRef().path().toString());
+
+ shardManager.tell(new FindPrimary("astronauts").toSerializable(), getRef());
+
+ expectMsgClass(duration("5 seconds"), PrimaryFound.SERIALIZABLE_CLASS);
+
+ MockClusterWrapper.sendMemberRemoved(shardManager, "member-2", getRef().path().toString());
+
+ shardManager.tell(new FindPrimary("astronauts").toSerializable(), getRef());
+
+ expectMsgClass(duration("5 seconds"), PrimaryNotFound.SERIALIZABLE_CLASS);
+ }};
+ }
+
+ @Test
+ public void testOnRecoveryJournalIsCleaned() {
+ InMemoryJournal.addEntry(shardMgrID, 1L, new ShardManager.SchemaContextModules(
+ ImmutableSet.of("foo")));
+ InMemoryJournal.addEntry(shardMgrID, 2L, new ShardManager.SchemaContextModules(
+ ImmutableSet.of("bar")));
+ InMemoryJournal.addDeleteMessagesCompleteLatch(shardMgrID);
+
+ new JavaTestKit(getSystem()) {{
+ TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
+ Props.create(new TestShardManagerCreator(shardMrgIDSuffix)));
+
+ shardManager.underlyingActor().waitForRecoveryComplete();
+ InMemoryJournal.waitForDeleteMessagesComplete(shardMgrID);
+
+ // Journal entries up to the last one should've been deleted
+ Map<Long, Object> journal = InMemoryJournal.get(shardMgrID);
+ synchronized (journal) {
+ assertEquals("Journal size", 1, journal.size());
+ assertEquals("Journal entry seq #", Long.valueOf(2), journal.keySet().iterator().next());
+ }
+ }};
+ }
+
+ @Test
+ public void testOnRecoveryPreviouslyKnownModulesAreDiscovered() throws Exception {
+ final ImmutableSet<String> persistedModules = ImmutableSet.of("foo", "bar");
+ InMemoryJournal.addEntry(shardMgrID, 1L, new ShardManager.SchemaContextModules(
+ persistedModules));
+ new JavaTestKit(getSystem()) {{
+ TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
+ Props.create(new TestShardManagerCreator(shardMrgIDSuffix)));
+
+ shardManager.underlyingActor().waitForRecoveryComplete();
+
+ Collection<String> knownModules = shardManager.underlyingActor().getKnownModules();
+
+ assertEquals("getKnownModules", persistedModules, Sets.newHashSet(knownModules));
+ }};
+ }
+
+ @Test
+ public void testOnUpdateSchemaContextUpdateKnownModulesIfTheyContainASuperSetOfTheKnownModules()
+ throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final TestActorRef<ShardManager> shardManager =
+ TestActorRef.create(getSystem(), newShardMgrProps());
+
+ assertEquals("getKnownModules size", 0, shardManager.underlyingActor().getKnownModules().size());
+
+ ModuleIdentifier foo = mock(ModuleIdentifier.class);
+ when(foo.getNamespace()).thenReturn(new URI("foo"));
+
+ Set<ModuleIdentifier> moduleIdentifierSet = new HashSet<>();
+ moduleIdentifierSet.add(foo);
+
+ SchemaContext schemaContext = mock(SchemaContext.class);
+ when(schemaContext.getAllModuleIdentifiers()).thenReturn(moduleIdentifierSet);
+
+ shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+
+ assertEquals("getKnownModules", Sets.newHashSet("foo"),
+ Sets.newHashSet(shardManager.underlyingActor().getKnownModules()));
+
+ ModuleIdentifier bar = mock(ModuleIdentifier.class);
+ when(bar.getNamespace()).thenReturn(new URI("bar"));
+
+ moduleIdentifierSet.add(bar);
+
+ shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+
+ assertEquals("getKnownModules", Sets.newHashSet("foo", "bar"),
+ Sets.newHashSet(shardManager.underlyingActor().getKnownModules()));
+ }};
+ }
+
+ @Test
+ public void testOnUpdateSchemaContextDoNotUpdateKnownModulesIfTheyDoNotContainASuperSetOfKnownModules()
+ throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final TestActorRef<ShardManager> shardManager =
+ TestActorRef.create(getSystem(), newShardMgrProps());
+
+ SchemaContext schemaContext = mock(SchemaContext.class);
+ Set<ModuleIdentifier> moduleIdentifierSet = new HashSet<>();
+
+ ModuleIdentifier foo = mock(ModuleIdentifier.class);
+ when(foo.getNamespace()).thenReturn(new URI("foo"));
+
+ moduleIdentifierSet.add(foo);
+
+ when(schemaContext.getAllModuleIdentifiers()).thenReturn(moduleIdentifierSet);
+
+ shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+
+ assertEquals("getKnownModules", Sets.newHashSet("foo"),
+ Sets.newHashSet(shardManager.underlyingActor().getKnownModules()));
+
+ //Create a completely different SchemaContext with only the bar module in it
+ //schemaContext = mock(SchemaContext.class);
+ moduleIdentifierSet.clear();
+ ModuleIdentifier bar = mock(ModuleIdentifier.class);
+ when(bar.getNamespace()).thenReturn(new URI("bar"));
+
+ moduleIdentifierSet.add(bar);
+
+ shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+
+ assertEquals("getKnownModules", Sets.newHashSet("foo"),
+ Sets.newHashSet(shardManager.underlyingActor().getKnownModules()));
+
+ }};
+ }
+
+
+ private static class TestShardManager extends ShardManager {
+ private final CountDownLatch recoveryComplete = new CountDownLatch(1);
+
+ TestShardManager(String shardMrgIDSuffix) {
+ super(shardMrgIDSuffix, new MockClusterWrapper(), new MockConfiguration(),
+ DatastoreContext.newBuilder().build());
+ }
+
+ @Override
+ public void handleRecover(Object message) throws Exception {
+ try {
+ super.handleRecover(message);
+ } finally {
+ if(message instanceof RecoveryCompleted) {
+ recoveryComplete.countDown();
+ }
+ }
+ }
+
+ void waitForRecoveryComplete() {
+ assertEquals("Recovery complete", true,
+ Uninterruptibles.awaitUninterruptibly(recoveryComplete, 5, TimeUnit.SECONDS));
+ }
+ }
+
+ @SuppressWarnings("serial")
+ static class TestShardManagerCreator implements Creator<TestShardManager> {
+ String shardMrgIDSuffix;
+
+ TestShardManagerCreator(String shardMrgIDSuffix) {
+ this.shardMrgIDSuffix = shardMrgIDSuffix;
+ }
+
+ @Override
+ public TestShardManager create() throws Exception {
+ return new TestShardManager(shardMrgIDSuffix);
+ }
+
+ }
+}