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 SqliteTransactionDisposeTest1()
{
var messageQueuePath = $@".\Private$\{Guid.NewGuid()}";
var expected = CreateRandomQueueItem();
using (var messageQueue = new SqliteMessageQueue(messageQueuePath))
{
messageQueue.Clear();
// Enqueue the expected item
TransactionalEnqueue(messageQueue, expected);
using (var queueTransaction = messageQueue.CreateQueueTransaction())
{
queueTransaction.Begin();
// Dequeue but don't call abort specifically - let the dispose method do this
var actual = messageQueue.DequeueNextMessage <PushQueueItem>(queueTransaction);
AssertCompare(expected, actual);
}
using (var queueTransaction = messageQueue.CreateQueueTransaction())
{
queueTransaction.Begin();
var actual = messageQueue.DequeueNextMessage <PushQueueItem>(queueTransaction);
AssertCompare(expected, actual);
queueTransaction.Commit();
}
}
}
public void SqliteTransactionTests1()
{
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);
var actual = messageQueue.DequeueNextMessage <PushQueueItem>(queueTransaction1);
AssertCompare(expected, actual);
Assert.ThrowsException <MessageQueueReadException>(() => messageQueue.DequeueNextMessage <PushQueueItem>(queueTransaction1));
queueTransaction1.Commit();
}
}
}
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 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();
}
}
}
public void SqliteTestDequeueOnly1()
{
var messageQueuePath = $@".\Private$\{Guid.NewGuid()}";
using (var messageQueue = new SqliteMessageQueue(messageQueuePath))
using (var queueTransaction = messageQueue.CreateQueueTransaction())
{
queueTransaction.Begin();
Assert.ThrowsException <MessageQueueReadException>(() => messageQueue.DequeueNextMessage <PushQueueItem>(queueTransaction));
queueTransaction.Abort();
}
}
public async Task SqliteExpiredLeaseTests1()
{
var messageQueuePath = $@".\Private$\{Guid.NewGuid()}";
const uint transactionLeaseMs = 1000;
using (var messageQueue = new SqliteMessageQueue(messageQueuePath, transactionLeaseMs: transactionLeaseMs))
{
messageQueue.Clear();
var expected = CreateRandomQueueItem();
TransactionalEnqueue(messageQueue, expected);
// Create a new transaction with the renew task larger than the time of the transaction lease (not a good idea in practice)
using (var queueTransaction1 = new SqliteMessageQueueTransaction(messageQueue.DatabaseConnectionString, 60 * 1000))
{
queueTransaction1.Begin();
// Dequeue the item to start the renew lease expiry
var actual1 = messageQueue.DequeueNextMessage <PushQueueItem>(queueTransaction1);
AssertCompare(expected, actual1);
// Wait for twice the time - the lease should have now expired
await Task.Delay(TimeSpan.FromMilliseconds(transactionLeaseMs * 2)).ConfigureAwait(false);
// Dequeue on a different transaction
var actual2 = TransactionalDequeue <PushQueueItem>(messageQueue);
// Check the item was recovered.
AssertCompare(expected, actual2);
queueTransaction1.Abort();
}
}
}
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();
}
}