mirror of
https://code.briarproject.org/briar/briar.git
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Remove broken and deprecated MessageQueue as it is not needed anymore
Closes #308
This commit is contained in:
@@ -1,566 +0,0 @@
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package org.briarproject.briar.client;
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import org.briarproject.bramble.api.client.ClientHelper;
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import org.briarproject.bramble.api.data.BdfDictionary;
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import org.briarproject.bramble.api.data.BdfList;
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import org.briarproject.bramble.api.db.DatabaseComponent;
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import org.briarproject.bramble.api.db.Metadata;
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import org.briarproject.bramble.api.db.Transaction;
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import org.briarproject.bramble.api.sync.ClientId;
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import org.briarproject.bramble.api.sync.Group;
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import org.briarproject.bramble.api.sync.GroupId;
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import org.briarproject.bramble.api.sync.InvalidMessageException;
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import org.briarproject.bramble.api.sync.Message;
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import org.briarproject.bramble.api.sync.MessageContext;
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import org.briarproject.bramble.api.sync.MessageId;
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import org.briarproject.bramble.api.sync.ValidationManager;
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import org.briarproject.bramble.api.sync.ValidationManager.IncomingMessageHook;
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import org.briarproject.bramble.api.sync.ValidationManager.MessageValidator;
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import org.briarproject.bramble.test.CaptureArgumentAction;
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import org.briarproject.bramble.test.TestUtils;
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import org.briarproject.bramble.util.ByteUtils;
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import org.briarproject.briar.api.client.MessageQueueManager.IncomingQueueMessageHook;
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import org.briarproject.briar.api.client.MessageQueueManager.QueueMessageValidator;
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import org.briarproject.briar.api.client.QueueMessage;
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import org.briarproject.briar.api.client.QueueMessageFactory;
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import org.briarproject.briar.test.BriarTestCase;
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import org.hamcrest.Description;
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import org.jmock.Expectations;
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import org.jmock.Mockery;
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import org.jmock.api.Action;
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import org.jmock.api.Invocation;
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import org.junit.Test;
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import java.util.concurrent.atomic.AtomicReference;
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import static org.briarproject.bramble.api.sync.SyncConstants.MESSAGE_HEADER_LENGTH;
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import static org.briarproject.bramble.test.TestUtils.getClientId;
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import static org.briarproject.bramble.test.TestUtils.getGroup;
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import static org.briarproject.briar.api.client.MessageQueueManager.QUEUE_STATE_KEY;
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import static org.briarproject.briar.api.client.QueueMessage.QUEUE_MESSAGE_HEADER_LENGTH;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNotNull;
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import static org.junit.Assert.assertSame;
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import static org.junit.Assert.fail;
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public class MessageQueueManagerImplTest extends BriarTestCase {
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private final ClientId clientId = getClientId();
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private final Group group = getGroup(clientId);
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private final GroupId groupId = group.getId();
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private final long timestamp = System.currentTimeMillis();
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@Test
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public void testSendingMessages() throws Exception {
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Mockery context = new Mockery();
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DatabaseComponent db = context.mock(DatabaseComponent.class);
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ClientHelper clientHelper = context.mock(ClientHelper.class);
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QueueMessageFactory queueMessageFactory =
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context.mock(QueueMessageFactory.class);
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ValidationManager validationManager =
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context.mock(ValidationManager.class);
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Transaction txn = new Transaction(null, false);
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byte[] body = new byte[123];
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Metadata groupMetadata = new Metadata();
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Metadata messageMetadata = new Metadata();
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Metadata groupMetadata1 = new Metadata();
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byte[] queueState = new byte[123];
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groupMetadata1.put(QUEUE_STATE_KEY, queueState);
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context.checking(new Expectations() {{
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// First message: queue state does not exist
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oneOf(db).getGroupMetadata(txn, groupId);
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will(returnValue(groupMetadata));
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oneOf(clientHelper).toByteArray(with(any(BdfDictionary.class)));
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will(new EncodeQueueStateAction(1L, 0L, new BdfList()));
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oneOf(db).mergeGroupMetadata(with(txn), with(groupId),
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with(any(Metadata.class)));
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oneOf(queueMessageFactory).createMessage(groupId, timestamp, 0L,
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body);
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will(new CreateMessageAction());
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oneOf(db).addLocalMessage(with(txn), with(any(QueueMessage.class)),
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with(messageMetadata), with(true));
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// Second message: queue state exists
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oneOf(db).getGroupMetadata(txn, groupId);
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will(returnValue(groupMetadata1));
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oneOf(clientHelper).toDictionary(queueState, 0, queueState.length);
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will(new DecodeQueueStateAction(1L, 0L, new BdfList()));
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oneOf(clientHelper).toByteArray(with(any(BdfDictionary.class)));
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will(new EncodeQueueStateAction(2L, 0L, new BdfList()));
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oneOf(db).mergeGroupMetadata(with(txn), with(groupId),
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with(any(Metadata.class)));
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oneOf(queueMessageFactory).createMessage(groupId, timestamp, 1L,
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body);
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will(new CreateMessageAction());
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oneOf(db).addLocalMessage(with(txn), with(any(QueueMessage.class)),
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with(messageMetadata), with(true));
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}});
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MessageQueueManagerImpl mqm = new MessageQueueManagerImpl(db,
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clientHelper, queueMessageFactory, validationManager);
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// First message
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QueueMessage q = mqm.sendMessage(txn, group, timestamp, body,
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messageMetadata);
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assertEquals(groupId, q.getGroupId());
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assertEquals(timestamp, q.getTimestamp());
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assertEquals(0L, q.getQueuePosition());
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assertEquals(QUEUE_MESSAGE_HEADER_LENGTH + body.length, q.getLength());
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// Second message
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QueueMessage q1 = mqm.sendMessage(txn, group, timestamp, body,
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messageMetadata);
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assertEquals(groupId, q1.getGroupId());
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assertEquals(timestamp, q1.getTimestamp());
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assertEquals(1L, q1.getQueuePosition());
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assertEquals(QUEUE_MESSAGE_HEADER_LENGTH + body.length, q1.getLength());
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context.assertIsSatisfied();
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}
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@Test
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public void testValidatorRejectsShortMessage() throws Exception {
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Mockery context = new Mockery();
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DatabaseComponent db = context.mock(DatabaseComponent.class);
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ClientHelper clientHelper = context.mock(ClientHelper.class);
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QueueMessageFactory queueMessageFactory =
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context.mock(QueueMessageFactory.class);
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ValidationManager validationManager =
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context.mock(ValidationManager.class);
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AtomicReference<MessageValidator> captured = new AtomicReference<>();
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QueueMessageValidator queueMessageValidator =
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context.mock(QueueMessageValidator.class);
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// The message is too short to be a valid queue message
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MessageId messageId = new MessageId(TestUtils.getRandomId());
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byte[] raw = new byte[QUEUE_MESSAGE_HEADER_LENGTH - 1];
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Message message = new Message(messageId, groupId, timestamp, raw);
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context.checking(new Expectations() {{
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oneOf(validationManager).registerMessageValidator(with(clientId),
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with(any(MessageValidator.class)));
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will(new CaptureArgumentAction<>(captured,
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MessageValidator.class, 1));
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}});
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MessageQueueManagerImpl mqm = new MessageQueueManagerImpl(db,
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clientHelper, queueMessageFactory, validationManager);
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// Capture the delegating message validator
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mqm.registerMessageValidator(clientId, queueMessageValidator);
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MessageValidator delegate = captured.get();
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assertNotNull(delegate);
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// The message should be invalid
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try {
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delegate.validateMessage(message, group);
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fail();
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} catch (InvalidMessageException expected) {
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// Expected
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}
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context.assertIsSatisfied();
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}
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@Test
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public void testValidatorRejectsNegativeQueuePosition() throws Exception {
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Mockery context = new Mockery();
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DatabaseComponent db = context.mock(DatabaseComponent.class);
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ClientHelper clientHelper = context.mock(ClientHelper.class);
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QueueMessageFactory queueMessageFactory =
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context.mock(QueueMessageFactory.class);
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ValidationManager validationManager =
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context.mock(ValidationManager.class);
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AtomicReference<MessageValidator> captured = new AtomicReference<>();
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QueueMessageValidator queueMessageValidator =
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context.mock(QueueMessageValidator.class);
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// The message has a negative queue position
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MessageId messageId = new MessageId(TestUtils.getRandomId());
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byte[] raw = new byte[QUEUE_MESSAGE_HEADER_LENGTH];
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for (int i = 0; i < 8; i++)
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raw[MESSAGE_HEADER_LENGTH + i] = (byte) 0xFF;
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Message message = new Message(messageId, groupId, timestamp, raw);
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context.checking(new Expectations() {{
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oneOf(validationManager).registerMessageValidator(with(clientId),
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with(any(MessageValidator.class)));
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will(new CaptureArgumentAction<>(captured,
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MessageValidator.class, 1));
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}});
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MessageQueueManagerImpl mqm = new MessageQueueManagerImpl(db,
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clientHelper, queueMessageFactory, validationManager);
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// Capture the delegating message validator
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mqm.registerMessageValidator(clientId, queueMessageValidator);
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MessageValidator delegate = captured.get();
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assertNotNull(delegate);
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// The message should be invalid
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try {
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delegate.validateMessage(message, group);
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fail();
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} catch (InvalidMessageException expected) {
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// Expected
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}
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context.assertIsSatisfied();
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}
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@Test
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public void testValidatorDelegatesValidMessage() throws Exception {
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Mockery context = new Mockery();
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DatabaseComponent db = context.mock(DatabaseComponent.class);
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ClientHelper clientHelper = context.mock(ClientHelper.class);
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QueueMessageFactory queueMessageFactory =
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context.mock(QueueMessageFactory.class);
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ValidationManager validationManager =
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context.mock(ValidationManager.class);
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AtomicReference<MessageValidator> captured = new AtomicReference<>();
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QueueMessageValidator queueMessageValidator =
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context.mock(QueueMessageValidator.class);
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Metadata metadata = new Metadata();
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MessageContext messageContext =
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new MessageContext(metadata);
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// The message is valid, with a queue position of zero
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MessageId messageId = new MessageId(TestUtils.getRandomId());
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byte[] raw = new byte[QUEUE_MESSAGE_HEADER_LENGTH];
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Message message = new Message(messageId, groupId, timestamp, raw);
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context.checking(new Expectations() {{
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oneOf(validationManager).registerMessageValidator(with(clientId),
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with(any(MessageValidator.class)));
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will(new CaptureArgumentAction<>(captured,
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MessageValidator.class, 1));
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// The message should be delegated
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oneOf(queueMessageValidator).validateMessage(
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with(any(QueueMessage.class)), with(group));
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will(returnValue(messageContext));
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}});
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MessageQueueManagerImpl mqm = new MessageQueueManagerImpl(db,
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clientHelper, queueMessageFactory, validationManager);
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// Capture the delegating message validator
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mqm.registerMessageValidator(clientId, queueMessageValidator);
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MessageValidator delegate = captured.get();
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assertNotNull(delegate);
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// The message should be valid and the metadata should be returned
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assertSame(messageContext, delegate.validateMessage(message, group));
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assertSame(metadata, messageContext.getMetadata());
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context.assertIsSatisfied();
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}
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@Test
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public void testIncomingMessageHookDeletesDuplicateMessage()
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throws Exception {
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Mockery context = new Mockery();
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DatabaseComponent db = context.mock(DatabaseComponent.class);
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ClientHelper clientHelper = context.mock(ClientHelper.class);
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QueueMessageFactory queueMessageFactory =
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context.mock(QueueMessageFactory.class);
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ValidationManager validationManager =
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context.mock(ValidationManager.class);
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AtomicReference<IncomingMessageHook> captured = new AtomicReference<>();
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IncomingQueueMessageHook incomingQueueMessageHook =
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context.mock(IncomingQueueMessageHook.class);
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Transaction txn = new Transaction(null, false);
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Metadata groupMetadata = new Metadata();
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byte[] queueState = new byte[123];
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groupMetadata.put(QUEUE_STATE_KEY, queueState);
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// The message has queue position 0
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MessageId messageId = new MessageId(TestUtils.getRandomId());
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byte[] raw = new byte[QUEUE_MESSAGE_HEADER_LENGTH];
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Message message = new Message(messageId, groupId, timestamp, raw);
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context.checking(new Expectations() {{
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oneOf(validationManager).registerIncomingMessageHook(with(clientId),
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with(any(IncomingMessageHook.class)));
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will(new CaptureArgumentAction<>(captured,
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IncomingMessageHook.class, 1));
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oneOf(db).getGroupMetadata(txn, groupId);
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will(returnValue(groupMetadata));
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// Queue position 1 is expected
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oneOf(clientHelper).toDictionary(queueState, 0, queueState.length);
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will(new DecodeQueueStateAction(0L, 1L, new BdfList()));
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// The message and its metadata should be deleted
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oneOf(db).deleteMessage(txn, messageId);
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oneOf(db).deleteMessageMetadata(txn, messageId);
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}});
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MessageQueueManagerImpl mqm = new MessageQueueManagerImpl(db,
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clientHelper, queueMessageFactory, validationManager);
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// Capture the delegating incoming message hook
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mqm.registerIncomingMessageHook(clientId, incomingQueueMessageHook);
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IncomingMessageHook delegate = captured.get();
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assertNotNull(delegate);
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// Pass the message to the hook
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delegate.incomingMessage(txn, message, new Metadata());
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context.assertIsSatisfied();
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}
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@Test
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public void testIncomingMessageHookAddsOutOfOrderMessageToPendingList()
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throws Exception {
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Mockery context = new Mockery();
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DatabaseComponent db = context.mock(DatabaseComponent.class);
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ClientHelper clientHelper = context.mock(ClientHelper.class);
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QueueMessageFactory queueMessageFactory =
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context.mock(QueueMessageFactory.class);
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ValidationManager validationManager =
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context.mock(ValidationManager.class);
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AtomicReference<IncomingMessageHook> captured = new AtomicReference<>();
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IncomingQueueMessageHook incomingQueueMessageHook =
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context.mock(IncomingQueueMessageHook.class);
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Transaction txn = new Transaction(null, false);
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Metadata groupMetadata = new Metadata();
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byte[] queueState = new byte[123];
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groupMetadata.put(QUEUE_STATE_KEY, queueState);
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// The message has queue position 1
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MessageId messageId = new MessageId(TestUtils.getRandomId());
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byte[] raw = new byte[QUEUE_MESSAGE_HEADER_LENGTH];
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ByteUtils.writeUint64(1L, raw, MESSAGE_HEADER_LENGTH);
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Message message = new Message(messageId, groupId, timestamp, raw);
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BdfList pending = BdfList.of(BdfList.of(1L, messageId));
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context.checking(new Expectations() {{
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oneOf(validationManager).registerIncomingMessageHook(with(clientId),
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with(any(IncomingMessageHook.class)));
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will(new CaptureArgumentAction<>(captured,
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IncomingMessageHook.class, 1));
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oneOf(db).getGroupMetadata(txn, groupId);
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will(returnValue(groupMetadata));
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// Queue position 0 is expected
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oneOf(clientHelper).toDictionary(queueState, 0, queueState.length);
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will(new DecodeQueueStateAction(0L, 0L, new BdfList()));
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// The message should be added to the pending list
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oneOf(clientHelper).toByteArray(with(any(BdfDictionary.class)));
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will(new EncodeQueueStateAction(0L, 0L, pending));
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oneOf(db).mergeGroupMetadata(with(txn), with(groupId),
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with(any(Metadata.class)));
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}});
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MessageQueueManagerImpl mqm = new MessageQueueManagerImpl(db,
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clientHelper, queueMessageFactory, validationManager);
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// Capture the delegating incoming message hook
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mqm.registerIncomingMessageHook(clientId, incomingQueueMessageHook);
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IncomingMessageHook delegate = captured.get();
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assertNotNull(delegate);
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// Pass the message to the hook
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delegate.incomingMessage(txn, message, new Metadata());
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context.assertIsSatisfied();
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}
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@Test
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public void testIncomingMessageHookDelegatesInOrderMessage()
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throws Exception {
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Mockery context = new Mockery();
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DatabaseComponent db = context.mock(DatabaseComponent.class);
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ClientHelper clientHelper = context.mock(ClientHelper.class);
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QueueMessageFactory queueMessageFactory =
|
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context.mock(QueueMessageFactory.class);
|
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ValidationManager validationManager =
|
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context.mock(ValidationManager.class);
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AtomicReference<IncomingMessageHook> captured = new AtomicReference<>();
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IncomingQueueMessageHook incomingQueueMessageHook =
|
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context.mock(IncomingQueueMessageHook.class);
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|
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Transaction txn = new Transaction(null, false);
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Metadata groupMetadata = new Metadata();
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byte[] queueState = new byte[123];
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groupMetadata.put(QUEUE_STATE_KEY, queueState);
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// The message has queue position 0
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MessageId messageId = new MessageId(TestUtils.getRandomId());
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byte[] raw = new byte[QUEUE_MESSAGE_HEADER_LENGTH];
|
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Message message = new Message(messageId, groupId, timestamp, raw);
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Metadata messageMetadata = new Metadata();
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context.checking(new Expectations() {{
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oneOf(validationManager).registerIncomingMessageHook(with(clientId),
|
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with(any(IncomingMessageHook.class)));
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will(new CaptureArgumentAction<>(captured,
|
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IncomingMessageHook.class, 1));
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oneOf(db).getGroupMetadata(txn, groupId);
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will(returnValue(groupMetadata));
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// Queue position 0 is expected
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oneOf(clientHelper).toDictionary(queueState, 0, queueState.length);
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will(new DecodeQueueStateAction(0L, 0L, new BdfList()));
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// Queue position 1 should be expected next
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oneOf(clientHelper).toByteArray(with(any(BdfDictionary.class)));
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will(new EncodeQueueStateAction(0L, 1L, new BdfList()));
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oneOf(db).mergeGroupMetadata(with(txn), with(groupId),
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with(any(Metadata.class)));
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// The message should be delegated
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oneOf(incomingQueueMessageHook).incomingMessage(with(txn),
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with(any(QueueMessage.class)), with(messageMetadata));
|
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}});
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MessageQueueManagerImpl mqm = new MessageQueueManagerImpl(db,
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clientHelper, queueMessageFactory, validationManager);
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|
||||
// Capture the delegating incoming message hook
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||||
mqm.registerIncomingMessageHook(clientId, incomingQueueMessageHook);
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IncomingMessageHook delegate = captured.get();
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assertNotNull(delegate);
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// Pass the message to the hook
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||||
delegate.incomingMessage(txn, message, messageMetadata);
|
||||
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||||
context.assertIsSatisfied();
|
||||
}
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||||
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||||
@Test
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||||
public void testIncomingMessageHookRetrievesPendingMessage()
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||||
throws Exception {
|
||||
Mockery context = new Mockery();
|
||||
DatabaseComponent db = context.mock(DatabaseComponent.class);
|
||||
ClientHelper clientHelper = context.mock(ClientHelper.class);
|
||||
QueueMessageFactory queueMessageFactory =
|
||||
context.mock(QueueMessageFactory.class);
|
||||
ValidationManager validationManager =
|
||||
context.mock(ValidationManager.class);
|
||||
AtomicReference<IncomingMessageHook> captured = new AtomicReference<>();
|
||||
IncomingQueueMessageHook incomingQueueMessageHook =
|
||||
context.mock(IncomingQueueMessageHook.class);
|
||||
|
||||
Transaction txn = new Transaction(null, false);
|
||||
Metadata groupMetadata = new Metadata();
|
||||
byte[] queueState = new byte[123];
|
||||
groupMetadata.put(QUEUE_STATE_KEY, queueState);
|
||||
// The message has queue position 0
|
||||
MessageId messageId = new MessageId(TestUtils.getRandomId());
|
||||
byte[] raw = new byte[QUEUE_MESSAGE_HEADER_LENGTH];
|
||||
Message message = new Message(messageId, groupId, timestamp, raw);
|
||||
Metadata messageMetadata = new Metadata();
|
||||
// Queue position 1 is pending
|
||||
MessageId messageId1 = new MessageId(TestUtils.getRandomId());
|
||||
byte[] raw1 = new byte[QUEUE_MESSAGE_HEADER_LENGTH];
|
||||
QueueMessage message1 = new QueueMessage(messageId1, groupId,
|
||||
timestamp, 1L, raw1);
|
||||
Metadata messageMetadata1 = new Metadata();
|
||||
BdfList pending = BdfList.of(BdfList.of(1L, messageId1));
|
||||
|
||||
context.checking(new Expectations() {{
|
||||
oneOf(validationManager).registerIncomingMessageHook(with(clientId),
|
||||
with(any(IncomingMessageHook.class)));
|
||||
will(new CaptureArgumentAction<>(captured,
|
||||
IncomingMessageHook.class, 1));
|
||||
oneOf(db).getGroupMetadata(txn, groupId);
|
||||
will(returnValue(groupMetadata));
|
||||
// Queue position 0 is expected, position 1 is pending
|
||||
oneOf(clientHelper).toDictionary(queueState, 0, queueState.length);
|
||||
will(new DecodeQueueStateAction(0L, 0L, pending));
|
||||
// Queue position 2 should be expected next
|
||||
oneOf(clientHelper).toByteArray(with(any(BdfDictionary.class)));
|
||||
will(new EncodeQueueStateAction(0L, 2L, new BdfList()));
|
||||
oneOf(db).mergeGroupMetadata(with(txn), with(groupId),
|
||||
with(any(Metadata.class)));
|
||||
// The new message should be delegated
|
||||
oneOf(incomingQueueMessageHook).incomingMessage(with(txn),
|
||||
with(any(QueueMessage.class)), with(messageMetadata));
|
||||
// The pending message should be retrieved
|
||||
oneOf(db).getRawMessage(txn, messageId1);
|
||||
will(returnValue(raw1));
|
||||
oneOf(db).getMessageMetadata(txn, messageId1);
|
||||
will(returnValue(messageMetadata1));
|
||||
oneOf(queueMessageFactory).createMessage(messageId1, raw1);
|
||||
will(returnValue(message1));
|
||||
// The pending message should be delegated
|
||||
oneOf(incomingQueueMessageHook).incomingMessage(txn, message1,
|
||||
messageMetadata1);
|
||||
}});
|
||||
|
||||
MessageQueueManagerImpl mqm = new MessageQueueManagerImpl(db,
|
||||
clientHelper, queueMessageFactory, validationManager);
|
||||
|
||||
// Capture the delegating incoming message hook
|
||||
mqm.registerIncomingMessageHook(clientId, incomingQueueMessageHook);
|
||||
IncomingMessageHook delegate = captured.get();
|
||||
assertNotNull(delegate);
|
||||
// Pass the message to the hook
|
||||
delegate.incomingMessage(txn, message, messageMetadata);
|
||||
|
||||
context.assertIsSatisfied();
|
||||
}
|
||||
|
||||
private class EncodeQueueStateAction implements Action {
|
||||
|
||||
private final long outgoingPosition, incomingPosition;
|
||||
private final BdfList pending;
|
||||
|
||||
private EncodeQueueStateAction(long outgoingPosition,
|
||||
long incomingPosition, BdfList pending) {
|
||||
this.outgoingPosition = outgoingPosition;
|
||||
this.incomingPosition = incomingPosition;
|
||||
this.pending = pending;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Object invoke(Invocation invocation) throws Throwable {
|
||||
BdfDictionary d = (BdfDictionary) invocation.getParameter(0);
|
||||
assertEquals(outgoingPosition, d.getLong("nextOut").longValue());
|
||||
assertEquals(incomingPosition, d.getLong("nextIn").longValue());
|
||||
assertEquals(pending, d.getList("pending"));
|
||||
return new byte[123];
|
||||
}
|
||||
|
||||
@Override
|
||||
public void describeTo(Description description) {
|
||||
description.appendText("encodes a queue state");
|
||||
}
|
||||
}
|
||||
|
||||
private class DecodeQueueStateAction implements Action {
|
||||
|
||||
private final long outgoingPosition, incomingPosition;
|
||||
private final BdfList pending;
|
||||
|
||||
private DecodeQueueStateAction(long outgoingPosition,
|
||||
long incomingPosition, BdfList pending) {
|
||||
this.outgoingPosition = outgoingPosition;
|
||||
this.incomingPosition = incomingPosition;
|
||||
this.pending = pending;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Object invoke(Invocation invocation) throws Throwable {
|
||||
BdfDictionary d = new BdfDictionary();
|
||||
d.put("nextOut", outgoingPosition);
|
||||
d.put("nextIn", incomingPosition);
|
||||
d.put("pending", pending);
|
||||
return d;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void describeTo(Description description) {
|
||||
description.appendText("decodes a queue state");
|
||||
}
|
||||
}
|
||||
|
||||
private class CreateMessageAction implements Action {
|
||||
|
||||
@Override
|
||||
public Object invoke(Invocation invocation) throws Throwable {
|
||||
GroupId groupId = (GroupId) invocation.getParameter(0);
|
||||
long timestamp = (Long) invocation.getParameter(1);
|
||||
long queuePosition = (Long) invocation.getParameter(2);
|
||||
byte[] body = (byte[]) invocation.getParameter(3);
|
||||
byte[] raw = new byte[QUEUE_MESSAGE_HEADER_LENGTH + body.length];
|
||||
MessageId id = new MessageId(TestUtils.getRandomId());
|
||||
return new QueueMessage(id, groupId, timestamp, queuePosition, raw);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void describeTo(Description description) {
|
||||
description.appendText("creates a message");
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user