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MessageQueueTests.cs
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391 lines (305 loc) · 10.1 KB
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namespace StockSharp.Tests;
/// <summary>
/// Tests for <see cref="MessageByLocalTimeQueue"/> and <see cref="MessageByOrderQueue"/>.
/// </summary>
[TestClass]
public class MessageQueueTests : BaseTestClass
{
#region MessageByLocalTimeQueue Tests
[TestMethod]
public void MessageByLocalTimeQueue_Open_InitializesCorrectly()
{
var queue = new MessageByLocalTimeQueue();
queue.Open();
queue.IsClosed.AssertFalse();
queue.Count.AssertEqual(0);
}
[TestMethod]
public void MessageByLocalTimeQueue_Close_ClosesQueue()
{
var queue = new MessageByLocalTimeQueue();
queue.Open();
queue.Close();
queue.IsClosed.AssertTrue();
}
[TestMethod]
public async Task MessageByLocalTimeQueue_Enqueue_WhenClosed_DropsMessage()
{
var queue = new MessageByLocalTimeQueue();
// Don't open the queue
var message = CreateTimeMessage(DateTime.UtcNow);
await queue.Enqueue(message, CancellationToken);
queue.Count.AssertEqual(0);
}
[TestMethod]
public async Task MessageByLocalTimeQueue_EnqueueDequeue_SingleMessage_WorksCorrectly()
{
var queue = new MessageByLocalTimeQueue();
queue.Open();
var time = DateTime.UtcNow;
var message = CreateTimeMessage(time);
await queue.Enqueue(message, CancellationToken);
var result = await queue.DequeueAsync(CancellationToken);
result.AssertEqual(message);
queue.Count.AssertEqual(0);
}
[TestMethod]
public async Task MessageByLocalTimeQueue_EnqueueDequeue_SortsMessagesByLocalTime()
{
var queue = new MessageByLocalTimeQueue();
queue.Open();
var baseTime = DateTime.UtcNow;
var msg1 = CreateTimeMessage(baseTime.AddSeconds(3)); // Latest
var msg2 = CreateTimeMessage(baseTime.AddSeconds(1)); // Earliest
var msg3 = CreateTimeMessage(baseTime.AddSeconds(2)); // Middle
// Enqueue in non-sorted order
await queue.Enqueue(msg1, CancellationToken);
await queue.Enqueue(msg2, CancellationToken);
await queue.Enqueue(msg3, CancellationToken);
// Allow time for sorting
await Task.Delay(100, CancellationToken);
// Should dequeue in sorted order by LocalTime
var first = await queue.DequeueAsync(CancellationToken);
var second = await queue.DequeueAsync(CancellationToken);
var third = await queue.DequeueAsync(CancellationToken);
first.AssertEqual(msg2); // Earliest
second.AssertEqual(msg3); // Middle
third.AssertEqual(msg1); // Latest
}
[TestMethod]
public async Task MessageByLocalTimeQueue_EnqueueDequeue_SameTime_PreservesOrder()
{
var queue = new MessageByLocalTimeQueue();
queue.Open();
var time = DateTime.UtcNow;
var messages = new List<TimeMessage>();
// Create messages with same LocalTime
for (int i = 0; i < 10; i++)
{
var msg = CreateTimeMessage(time);
messages.Add(msg);
await queue.Enqueue(msg, CancellationToken);
}
await Task.Delay(100, CancellationToken);
// All messages should be dequeued (order may vary for same-time messages)
var dequeued = new List<Message>();
for (int i = 0; i < 10; i++)
{
dequeued.Add(await queue.DequeueAsync(CancellationToken));
}
dequeued.Count.AssertEqual(10);
}
[TestMethod]
public async Task MessageByLocalTimeQueue_Clear_RemovesAllMessages()
{
var queue = new MessageByLocalTimeQueue();
queue.Open();
var time = DateTime.UtcNow;
await queue.Enqueue(CreateTimeMessage(time), CancellationToken);
await queue.Enqueue(CreateTimeMessage(time.AddSeconds(1)), CancellationToken);
await queue.Enqueue(CreateTimeMessage(time.AddSeconds(2)), CancellationToken);
await Task.Delay(100, CancellationToken);
queue.Clear();
queue.Count.AssertEqual(0);
}
[TestMethod]
public async Task MessageByLocalTimeQueue_Reopen_WorksCorrectly()
{
var queue = new MessageByLocalTimeQueue();
queue.Open();
var time = DateTime.UtcNow;
await queue.Enqueue(CreateTimeMessage(time), CancellationToken);
queue.Close();
// Reopen
queue.Open();
await queue.Enqueue(CreateTimeMessage(time.AddSeconds(1)), CancellationToken);
var result = await queue.DequeueAsync(CancellationToken);
result.AssertNotNull();
// Old items should be cleared when reopening
}
[TestMethod]
public async Task MessageByLocalTimeQueue_ReadAllAsync_YieldsAllMessages()
{
var queue = new MessageByLocalTimeQueue();
queue.Open();
var baseTime = DateTime.UtcNow;
var msg1 = CreateTimeMessage(baseTime.AddSeconds(1));
var msg2 = CreateTimeMessage(baseTime.AddSeconds(2));
var msg3 = CreateTimeMessage(baseTime.AddSeconds(3));
await queue.Enqueue(msg1, CancellationToken);
await queue.Enqueue(msg2, CancellationToken);
await queue.Enqueue(msg3, CancellationToken);
await Task.Delay(100, CancellationToken);
var items = new List<Message>();
using var cts = CancellationTokenSource.CreateLinkedTokenSource(CancellationToken);
var readTask = Task.Run(async () =>
{
await foreach (var item in queue.ReadAllAsync(cts.Token))
{
items.Add(item);
if (items.Count == 3)
cts.Cancel();
}
}, CancellationToken);
await Task.WhenAny(readTask, Task.Delay(2000, CancellationToken));
items.Count.AssertEqual(3);
}
[TestMethod]
public async Task MessageByLocalTimeQueue_ConcurrentEnqueue_MaintainsSortOrder()
{
var queue = new MessageByLocalTimeQueue();
queue.Open();
var baseTime = DateTime.UtcNow;
var messages = new List<TimeMessage>();
// Create 100 messages with different times
for (int i = 0; i < 100; i++)
{
messages.Add(CreateTimeMessage(baseTime.AddMilliseconds(i * 10)));
}
// Shuffle and enqueue concurrently
var shuffled = messages.OrderBy(_ => Guid.NewGuid()).ToList();
var tasks = shuffled.Select(m => queue.Enqueue(m, CancellationToken).AsTask());
await Task.WhenAll(tasks);
await Task.Delay(200, CancellationToken);
// Dequeue and verify order
var dequeued = new List<Message>();
for (int i = 0; i < 100; i++)
{
dequeued.Add(await queue.DequeueAsync(CancellationToken));
}
// Verify sorted by LocalTime
for (int i = 1; i < dequeued.Count; i++)
{
(dequeued[i].LocalTime >= dequeued[i - 1].LocalTime)
.AssertTrue($"Messages not sorted: {dequeued[i - 1].LocalTime} > {dequeued[i].LocalTime}");
}
}
[TestMethod]
public void MessageByLocalTimeQueue_Clone_CreatesNewInstance()
{
var queue = new MessageByLocalTimeQueue();
var clone = queue.Clone();
clone.AssertNotNull();
clone.AssertNotEqual(queue);
clone.GetType().AssertEqual(typeof(MessageByLocalTimeQueue));
}
#endregion
#region MessageByOrderQueue Tests
[TestMethod]
public void MessageByOrderQueue_Open_InitializesCorrectly()
{
var queue = new MessageByOrderQueue();
queue.Open();
queue.IsClosed.AssertFalse();
queue.Count.AssertEqual(0);
}
[TestMethod]
public async Task MessageByOrderQueue_EnqueueDequeue_PreservesFIFOOrder()
{
var queue = new MessageByOrderQueue();
queue.Open();
var baseTime = DateTime.UtcNow;
var msg1 = CreateTimeMessage(baseTime.AddSeconds(3)); // Latest time but first enqueued
var msg2 = CreateTimeMessage(baseTime.AddSeconds(1)); // Earliest time but second enqueued
var msg3 = CreateTimeMessage(baseTime.AddSeconds(2)); // Middle time but third enqueued
await queue.Enqueue(msg1, CancellationToken);
await queue.Enqueue(msg2, CancellationToken);
await queue.Enqueue(msg3, CancellationToken);
await Task.Delay(100, CancellationToken);
// Should dequeue in FIFO order (order of enqueue), not by LocalTime
var first = await queue.DequeueAsync(CancellationToken);
var second = await queue.DequeueAsync(CancellationToken);
var third = await queue.DequeueAsync(CancellationToken);
first.AssertEqual(msg1);
second.AssertEqual(msg2);
third.AssertEqual(msg3);
}
[TestMethod]
public void MessageByOrderQueue_Clone_CreatesNewInstance()
{
var queue = new MessageByOrderQueue();
var clone = queue.Clone();
clone.AssertNotNull();
clone.AssertNotEqual(queue);
clone.GetType().AssertEqual(typeof(MessageByOrderQueue));
}
#endregion
#region Stress Tests
[TestMethod]
public async Task MessageByLocalTimeQueue_HighVolume_HandlesCorrectly()
{
var queue = new MessageByLocalTimeQueue();
queue.Open();
var baseTime = DateTime.UtcNow;
const int messageCount = 1000;
// Enqueue many messages
var enqueueTasks = new List<Task>();
for (int i = 0; i < messageCount; i++)
{
var msg = CreateTimeMessage(baseTime.AddMilliseconds(i));
enqueueTasks.Add(queue.Enqueue(msg, CancellationToken).AsTask());
}
await Task.WhenAll(enqueueTasks);
await Task.Delay(500, CancellationToken);
// Dequeue all and verify
var dequeued = new List<Message>();
for (int i = 0; i < messageCount; i++)
{
dequeued.Add(await queue.DequeueAsync(CancellationToken));
}
dequeued.Count.AssertEqual(messageCount);
// Verify all are sorted
for (int i = 1; i < dequeued.Count; i++)
{
(dequeued[i].LocalTime >= dequeued[i - 1].LocalTime).AssertTrue();
}
}
[TestMethod]
public async Task MessageByLocalTimeQueue_ConcurrentEnqueueDequeue_NoDeadlock()
{
var queue = new MessageByLocalTimeQueue();
queue.Open();
var baseTime = DateTime.UtcNow;
const int iterations = 100;
var dequeued = new System.Collections.Concurrent.ConcurrentBag<Message>();
using var cts = CancellationTokenSource.CreateLinkedTokenSource(CancellationToken);
// Producer task
var producer = Task.Run(async () =>
{
for (int i = 0; i < iterations; i++)
{
await queue.Enqueue(CreateTimeMessage(baseTime.AddMilliseconds(i)), cts.Token);
await Task.Delay(1, cts.Token);
}
}, cts.Token);
// Consumer task
var consumer = Task.Run(async () =>
{
while (dequeued.Count < iterations && !cts.Token.IsCancellationRequested)
{
try
{
var msg = await queue.DequeueAsync(cts.Token);
dequeued.Add(msg);
}
catch (OperationCanceledException)
{
break;
}
}
}, cts.Token);
// Wait for producer to finish, then give consumer time to catch up
await producer;
await Task.Delay(500, CancellationToken);
cts.Cancel();
try { await consumer; } catch (OperationCanceledException) { }
dequeued.Count.AssertEqual(iterations);
}
#endregion
#region Helper Methods
private static TimeMessage CreateTimeMessage(DateTime localTime)
{
return new TimeMessage { LocalTime = localTime };
}
#endregion
}