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One more unit test for the road...

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akwizgran
2011-11-24 22:12:05 +00:00
parent 9345b5c71b
commit aefa7798e1
1 changed files with 75 additions and 0 deletions
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75
test/net/sf/briar/transport/ConnectionRecogniserImplTest.java
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@@ -526,6 +526,81 @@ public class ConnectionRecogniserImplTest extends TestCase {
context.assertIsSatisfied();
}
@Test
public void testRemoteTransportIndexChangedBeforeInit() throws Exception {
// The contact changes the transport ID <-> index relationships
final TransportId transportId1 =
new TransportId(TestUtils.getRandomId());
final TransportIndex remoteIndex1 = new TransportIndex(11);
Map<String, String> properties = Collections.singletonMap("foo", "bar");
Transport remoteTransport = new Transport(transportId, remoteIndex1,
properties);
Transport remoteTransport1 = new Transport(transportId1, remoteIndex,
properties);
Collection<Transport> remoteTransports1 = Arrays.asList(
new Transport[] {remoteTransport, remoteTransport1});
// Use two local transports for this test
TransportIndex localIndex1 = new TransportIndex(17);
Transport localTransport = new Transport(transportId, localIndex,
properties);
Transport localTransport1 = new Transport(transportId1, localIndex1,
properties);
final Collection<Transport> localTransports1 = Arrays.asList(
new Transport[] {localTransport, localTransport1});
final ConnectionWindow window = createConnectionWindow(remoteIndex);
final ConnectionWindow window1 = createConnectionWindow(remoteIndex1);
Mockery context = new Mockery();
final DatabaseComponent db = context.mock(DatabaseComponent.class);
context.checking(new Expectations() {{
// Initialise after updating the contact
oneOf(db).addListener(with(any(ConnectionRecogniserImpl.class)));
oneOf(db).getLocalTransports();
will(returnValue(localTransports1));
oneOf(db).getContacts();
will(returnValue(Collections.singletonList(contactId)));
// First, transportId <-> remoteIndex1, transportId1 <-> remoteIndex
oneOf(db).getRemoteIndex(contactId, transportId);
will(returnValue(remoteIndex1));
oneOf(db).getConnectionWindow(contactId, remoteIndex1);
will(returnValue(window1));
oneOf(db).getRemoteIndex(contactId, transportId1);
will(returnValue(remoteIndex));
oneOf(db).getConnectionWindow(contactId, remoteIndex);
will(returnValue(window));
// Update the window
oneOf(db).getConnectionWindow(contactId, remoteIndex);
will(returnValue(window));
oneOf(db).setConnectionWindow(contactId, remoteIndex, window);
}});
Executor executor = new ImmediateExecutor();
ConnectionRecogniserImpl c = new ConnectionRecogniserImpl(crypto, db,
executor);
byte[] encryptedIv = calculateIv();
// Update the contact
c.eventOccurred(new RemoteTransportsUpdatedEvent(contactId,
remoteTransports1));
// The IV should not be expected by the old transport
assertFalse(c.isInitialised());
assertNull(c.acceptConnection(transportId, encryptedIv));
assertTrue(c.isInitialised());
// The IV should be expected by the new transport
ConnectionContext ctx = c.acceptConnection(transportId1, encryptedIv);
assertNotNull(ctx);
assertEquals(contactId, ctx.getContactId());
assertEquals(remoteIndex, ctx.getTransportIndex());
assertEquals(3, ctx.getConnectionNumber());
// The IV should no longer be expected
assertNull(c.acceptConnection(transportId1, encryptedIv));
// The window should have advanced
Map<Long, byte[]> unseen = window.getUnseen();
assertEquals(19, unseen.size());
for(int i = 0; i < 19; i++) {
assertEquals(i != 3, unseen.containsKey(Long.valueOf(i)));
}
context.assertIsSatisfied();
}
private ConnectionWindow createConnectionWindow(TransportIndex index) {
return new ConnectionWindowImpl(crypto, index, inSecret) {
@Override