public void SqliteNestedTransactionTest()
{
var messageQueuePath = $@".\Private$\{Guid.NewGuid()}";
using (var messageQueue = new SqliteMessageQueue(messageQueuePath))
{
messageQueue.Clear();
using (var queueTransaction1 = messageQueue.CreateQueueTransaction())
{
queueTransaction1.Begin();
using (var queueTransaction2 = messageQueue.CreateQueueTransaction())
{
queueTransaction2.Begin();
messageQueue.Enqueue(CreateRandomQueueItem(0), queueTransaction2);
queueTransaction2.Commit();
}
var queueItem = messageQueue.DequeueNextMessage <PushQueueItem>(queueTransaction1);
Assert.IsNotNull(queueItem);
queueTransaction1.Commit();
}
}
}
public async Task SqliteRenewLeaseTests1()
{
var messageQueuePath = $@".\Private$\{Guid.NewGuid()}";
const uint transactionLeaseMs = 1000;
using (var messageQueue = new SqliteMessageQueue(messageQueuePath, transactionLeaseMs: transactionLeaseMs))
{
messageQueue.Clear();
using (var queueTransaction1 = messageQueue.CreateQueueTransaction())
{
var expected = CreateRandomQueueItem();
queueTransaction1.Begin();
messageQueue.Enqueue(expected, queueTransaction1);
// Dequeue the item to start the renew lease expiry
var dequeued = messageQueue.DequeueNextMessage <PushQueueItem>(queueTransaction1);
// Wait for twice the time - the lease should have expired if the renew code is not working
await Task.Delay(TimeSpan.FromMilliseconds(transactionLeaseMs * 2)).ConfigureAwait(false);
Assert.ThrowsException <MessageQueueReadException>(() => messageQueue.DequeueNextMessage <PushQueueItem>(queueTransaction1));
}
using (var queueTransaction = messageQueue.CreateQueueTransaction())
{
queueTransaction.Begin();
Assert.ThrowsException <MessageQueueReadException>(() => messageQueue.DequeueNextMessage <PushQueueItem>(queueTransaction));
}
}
}
public void SqliteTransactionTests2()
{
var messageQueuePath = $@".\Private$\{Guid.NewGuid()}";
using (var messageQueue = new SqliteMessageQueue(messageQueuePath))
{
messageQueue.Clear();
using (var queueTransaction1 = messageQueue.CreateQueueTransaction())
{
var expected = CreateRandomQueueItem();
queueTransaction1.Begin();
messageQueue.Enqueue(expected, queueTransaction1);
using (var queueTransaction2 = messageQueue.CreateQueueTransaction())
{
queueTransaction2.Begin();
Assert.ThrowsException <MessageQueueReadException>(() => messageQueue.DequeueNextMessage <PushQueueItem>(queueTransaction2));
}
queueTransaction1.Abort();
}
}
}
public void SqliteTransactionTests1()
{
string messageQueuePath = $@".\Private$\{Guid.NewGuid().ToString()}";
using (var messageQueue = new SqliteMessageQueue(messageQueuePath))
{
messageQueue.Clear();
using (var queueTransaction1 = messageQueue.CreateQueueTransaction())
{
var expected = CreateRandomQueueItem();
queueTransaction1.Begin();
messageQueue.Enqueue(expected, queueTransaction1);
var actual = messageQueue.DequeueNextMessage <PushQueueItem>(queueTransaction1);
AssertCompare(expected, actual);
Assert.ThrowsException <MessageQueueReadException>(() => messageQueue.DequeueNextMessage <PushQueueItem>(queueTransaction1));
queueTransaction1.Commit();
}
}
}
public async Task SqliteClearDuringTransaction1()
{
var messageQueuePath = $@".\Private$\{Guid.NewGuid()}";
const uint transactionLeaseMs = 1000;
using (var messageQueue = new SqliteMessageQueue(messageQueuePath, transactionLeaseMs: transactionLeaseMs))
{
messageQueue.Clear();
var expected = CreateRandomQueueItem();
// Also test Abort is called when disposing
using (var transaction = messageQueue.CreateQueueTransaction())
{
transaction.Begin();
messageQueue.Enqueue(expected, transaction);
var actual = messageQueue.DequeueNextMessage <PushQueueItem>(transaction);
messageQueue.Clear();
AssertCompare(expected, actual);
// Wait for the renew lease task to be called at least once.
await Task.Delay(TimeSpan.FromMilliseconds(transactionLeaseMs * 2)).ConfigureAwait(false);
}
using (var transaction = messageQueue.CreateQueueTransaction())
{
transaction.Begin();
messageQueue.Enqueue(expected, transaction);
var actual = messageQueue.DequeueNextMessage <PushQueueItem>(transaction);
messageQueue.Clear();
AssertCompare(expected, actual);
// Wait for the renew lease task to be called at least once.
await Task.Delay(TimeSpan.FromMilliseconds(transactionLeaseMs * 2)).ConfigureAwait(false);
// Make sure no exception is thrown.
transaction.Commit();
}
}
}
private static void Enqueue(PushQueueItem queueItem, SqliteMessageQueue messageQueue)
{
using (var queueTransaction = messageQueue.CreateQueueTransaction())
{
queueTransaction.Begin();
messageQueue.Enqueue(queueItem, queueTransaction);
queueTransaction.Commit();
}
}
public void SqliteTestConcurrentReadWrite4()
{
var messageQueuePath = $@".\Private$\{Guid.NewGuid()}";
const int numberMessages = 10;
using (var messageQueue = new SqliteMessageQueue(messageQueuePath))
{
messageQueue.Clear();
}
var expectedResults = new PushQueueItem[numberMessages];
var actualResults = new PushQueueItem[numberMessages];
for (var i = 0; i < numberMessages; i++)
{
expectedResults[i] = CreateRandomQueueItem(i);
}
using (var messageQueue = new SqliteMessageQueue(messageQueuePath))
{
using (var messageQueueTransaction = messageQueue.CreateQueueTransaction())
{
messageQueueTransaction.Begin();
Parallel.For(0, numberMessages * 2, i =>
{
if (i % 2 == 0)
{
messageQueue.Enqueue(expectedResults[i / 2], messageQueueTransaction);
}
else
{
var dequeueResult = TryDequeue <PushQueueItem>(messageQueue, messageQueueTransaction, timeoutMs: 120 * 1000);
if (actualResults[dequeueResult.DequeueCount] != null)
{
throw new ArgumentException("This item has already been dequeued. Something is wrong.");
}
actualResults[dequeueResult.DequeueCount] = dequeueResult;
}
});
messageQueueTransaction.Commit();
}
}
for (var i = 0; i < numberMessages; i++)
{
AssertCompare(expectedResults[i], actualResults[i]);
}
}
public void SqliteTestEnqueueDequeue1()
{
var messageQueuePath = $@".\Private$\{Guid.NewGuid()}";
var expectedItem1 = CreateRandomQueueItem(0);
var expectedItem2 = CreateRandomQueueItem(1);
using (var messageQueue = new SqliteMessageQueue(messageQueuePath))
using (var queueTransaction = messageQueue.CreateQueueTransaction())
{
// Clear the queue
messageQueue.Clear();
queueTransaction.Begin();
messageQueue.Enqueue(expectedItem1, queueTransaction);
messageQueue.Enqueue(expectedItem2, queueTransaction);
queueTransaction.Commit();
}
// Read from queue and then abort
using (var messageQueue = new SqliteMessageQueue(messageQueuePath))
using (var queueTransaction = messageQueue.CreateQueueTransaction())
{
queueTransaction.Begin();
var actualItem = messageQueue.DequeueNextMessage <PushQueueItem>(queueTransaction);
AssertCompare(expectedItem1, actualItem);
queueTransaction.Abort();
}
// Read from queue and the commit
using (var messageQueue = new SqliteMessageQueue(messageQueuePath))
using (var queueTransaction = messageQueue.CreateQueueTransaction())
{
queueTransaction.Begin();
var actualItem = messageQueue.DequeueNextMessage <PushQueueItem>(queueTransaction);
AssertCompare(expectedItem1, actualItem);
queueTransaction.Commit();
}
// Read from queue and check we can dequeue the second item.
using (var messageQueue = new SqliteMessageQueue(messageQueuePath))
using (var queueTransaction = messageQueue.CreateQueueTransaction())
{
queueTransaction.Begin();
var actualItem = messageQueue.DequeueNextMessage <PushQueueItem>(queueTransaction);
AssertCompare(expectedItem2, actualItem);
queueTransaction.Commit();
}
// Read from queue and check we can dequeue the second item.
using (var messageQueue = new SqliteMessageQueue(messageQueuePath))
using (var queueTransaction = messageQueue.CreateQueueTransaction())
{
queueTransaction.Begin();
Assert.ThrowsException <MessageQueueReadException>(() => messageQueue.DequeueNextMessage <PushQueueItem>(queueTransaction));
queueTransaction.Abort();
}
}
