DatabaseComponentImplTest.java

package org.briarproject.db;

import org.briarproject.BriarTestCase;
import org.briarproject.TestMessage;
import org.briarproject.TestUtils;
import org.briarproject.api.TransportConfig;
import org.briarproject.api.TransportId;
import org.briarproject.api.TransportProperties;
import org.briarproject.api.contact.Contact;
import org.briarproject.api.contact.ContactId;
import org.briarproject.api.crypto.SecretKey;
import org.briarproject.api.db.DatabaseComponent;
import org.briarproject.api.db.NoSuchContactException;
import org.briarproject.api.db.NoSuchLocalAuthorException;
import org.briarproject.api.db.NoSuchSubscriptionException;
import org.briarproject.api.db.NoSuchTransportException;
import org.briarproject.api.event.ContactAddedEvent;
import org.briarproject.api.event.ContactRemovedEvent;
import org.briarproject.api.event.EventBus;
import org.briarproject.api.event.LocalAuthorAddedEvent;
import org.briarproject.api.event.LocalAuthorRemovedEvent;
import org.briarproject.api.event.LocalSubscriptionsUpdatedEvent;
import org.briarproject.api.event.LocalTransportsUpdatedEvent;
import org.briarproject.api.event.MessageAddedEvent;
import org.briarproject.api.event.MessageRequestedEvent;
import org.briarproject.api.event.MessageToAckEvent;
import org.briarproject.api.event.MessageToRequestEvent;
import org.briarproject.api.event.MessagesAckedEvent;
import org.briarproject.api.event.MessagesSentEvent;
import org.briarproject.api.event.SubscriptionAddedEvent;
import org.briarproject.api.event.SubscriptionRemovedEvent;
import org.briarproject.api.identity.Author;
import org.briarproject.api.identity.AuthorId;
import org.briarproject.api.identity.LocalAuthor;
import org.briarproject.api.lifecycle.ShutdownManager;
import org.briarproject.api.sync.Ack;
import org.briarproject.api.sync.Group;
import org.briarproject.api.sync.GroupId;
import org.briarproject.api.sync.Message;
import org.briarproject.api.sync.MessageId;
import org.briarproject.api.sync.Offer;
import org.briarproject.api.sync.Request;
import org.briarproject.api.sync.SubscriptionAck;
import org.briarproject.api.sync.SubscriptionUpdate;
import org.briarproject.api.sync.TransportAck;
import org.briarproject.api.sync.TransportUpdate;
import org.briarproject.api.transport.IncomingKeys;
import org.briarproject.api.transport.OutgoingKeys;
import org.briarproject.api.transport.TransportKeys;
import org.jmock.Expectations;
import org.jmock.Mockery;
import org.junit.Test;

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;

import static org.briarproject.api.identity.AuthorConstants.MAX_PUBLIC_KEY_LENGTH;
import static org.briarproject.api.sync.MessagingConstants.GROUP_SALT_LENGTH;
import static org.briarproject.db.DatabaseConstants.MAX_OFFERED_MESSAGES;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.fail;

public class DatabaseComponentImplTest extends BriarTestCase {

	protected final Object txn = new Object();
	protected final GroupId groupId;
	protected final Group group;
	protected final AuthorId authorId;
	protected final Author author;
	protected final AuthorId localAuthorId;
	protected final LocalAuthor localAuthor;
	protected final MessageId messageId, messageId1;
	protected final String contentType;
	protected final long timestamp;
	protected final int size;
	protected final byte[] raw;
	protected final Message message, message1;
	protected final TransportId transportId;
	protected final TransportProperties transportProperties;
	protected final int maxLatency;
	protected final ContactId contactId;
	protected final Contact contact;

	public DatabaseComponentImplTest() {
		groupId = new GroupId(TestUtils.getRandomId());
		group = new Group(groupId, "Group", new byte[GROUP_SALT_LENGTH]);
		authorId = new AuthorId(TestUtils.getRandomId());
		author = new Author(authorId, "Alice", new byte[MAX_PUBLIC_KEY_LENGTH]);
		localAuthorId = new AuthorId(TestUtils.getRandomId());
		localAuthor = new LocalAuthor(localAuthorId, "Bob",
				new byte[MAX_PUBLIC_KEY_LENGTH], new byte[100], 1234);
		messageId = new MessageId(TestUtils.getRandomId());
		messageId1 = new MessageId(TestUtils.getRandomId());
		contentType = "text/plain";
		timestamp = System.currentTimeMillis();
		size = 1234;
		raw = new byte[size];
		message = new TestMessage(messageId, null, group, author, contentType,
				timestamp, raw);
		message1 = new TestMessage(messageId1, messageId, group, null,
				contentType, timestamp, raw);
		transportId = new TransportId("id");
		transportProperties = new TransportProperties(Collections.singletonMap(
				"bar", "baz"));
		maxLatency = Integer.MAX_VALUE;
		contactId = new ContactId(234);
		contact = new Contact(contactId, author, localAuthorId);
	}

	private <T> DatabaseComponent createDatabaseComponent(Database<T> database,
			EventBus eventBus, ShutdownManager shutdown) {
		return new DatabaseComponentImpl<T>(database, eventBus, shutdown);
	}

	@Test
	@SuppressWarnings("unchecked")
	public void testSimpleCalls() throws Exception {
		final int shutdownHandle = 12345;
		Mockery context = new Mockery();
		final Database<Object> database = context.mock(Database.class);
		final ShutdownManager shutdown = context.mock(ShutdownManager.class);
		final EventBus eventBus = context.mock(EventBus.class);
		context.checking(new Expectations() {{
			exactly(11).of(database).startTransaction();
			will(returnValue(txn));
			exactly(11).of(database).commitTransaction(txn);
			// open()
			oneOf(database).open();
			will(returnValue(false));
			oneOf(shutdown).addShutdownHook(with(any(Runnable.class)));
			will(returnValue(shutdownHandle));
			// addLocalAuthor()
			oneOf(database).containsLocalAuthor(txn, localAuthorId);
			will(returnValue(false));
			oneOf(database).addLocalAuthor(txn, localAuthor);
			oneOf(eventBus).broadcast(with(any(LocalAuthorAddedEvent.class)));
			// addContact()
			oneOf(database).containsContact(txn, authorId);
			will(returnValue(false));
			oneOf(database).containsLocalAuthor(txn, localAuthorId);
			will(returnValue(true));
			oneOf(database).addContact(txn, author, localAuthorId);
			will(returnValue(contactId));
			oneOf(eventBus).broadcast(with(any(ContactAddedEvent.class)));
			// getContacts()
			oneOf(database).getContacts(txn);
			will(returnValue(Collections.singletonList(contact)));
			// getRemoteProperties()
			oneOf(database).getRemoteProperties(txn, transportId);
			will(returnValue(Collections.emptyMap()));
			// addGroup()
			oneOf(database).containsGroup(txn, groupId);
			will(returnValue(false));
			oneOf(database).addGroup(txn, group);
			will(returnValue(true));
			oneOf(eventBus).broadcast(with(any(SubscriptionAddedEvent.class)));
			// addGroup() again
			oneOf(database).containsGroup(txn, groupId);
			will(returnValue(true));
			// getMessageHeaders()
			oneOf(database).containsGroup(txn, groupId);
			will(returnValue(true));
			oneOf(database).getMessageHeaders(txn, groupId);
			will(returnValue(Collections.emptyList()));
			// getGroups()
			oneOf(database).getGroups(txn);
			will(returnValue(Collections.singletonList(group)));
			// removeGroup()
			oneOf(database).containsGroup(txn, groupId);
			will(returnValue(true));
			oneOf(database).getVisibility(txn, groupId);
			will(returnValue(Collections.emptyList()));
			oneOf(database).removeGroup(txn, groupId);
			oneOf(eventBus).broadcast(with(any(
					SubscriptionRemovedEvent.class)));
			oneOf(eventBus).broadcast(with(any(
					LocalSubscriptionsUpdatedEvent.class)));
			// removeContact()
			oneOf(database).containsContact(txn, contactId);
			will(returnValue(true));
			oneOf(database).getInboxGroupId(txn, contactId);
			will(returnValue(null));
			oneOf(database).removeContact(txn, contactId);
			oneOf(eventBus).broadcast(with(any(ContactRemovedEvent.class)));
			// removeLocalAuthor()
			oneOf(database).containsLocalAuthor(txn, localAuthorId);
			will(returnValue(true));
			oneOf(database).getContacts(txn, localAuthorId);
			will(returnValue(Collections.emptyList()));
			oneOf(database).removeLocalAuthor(txn, localAuthorId);
			oneOf(eventBus).broadcast(with(any(LocalAuthorRemovedEvent.class)));
			// close()
			oneOf(shutdown).removeShutdownHook(shutdownHandle);
			oneOf(database).close();
		}});
		DatabaseComponent db = createDatabaseComponent(database, eventBus,