public void Test_Committing_Transaction_FlushesMessages()
{
TestMessage msg;
TestMessage msg1 = new TestMessage();
TestMessage msg2 = new TestMessage();
using (DeferredChannelMessageContext outerContext = new DeferredChannelMessageContext())
{
outerContext.AddOrUpdateMessage("Channel1", msg1, null);
outerContext.AddOrUpdateMessage("Channel2", msg2, null);
Assert.That(outerContext.TryGetMessage("Channel1", out msg), Is.True, "Outer context missing msg");
Assert.AreSame(msg, msg1);
Assert.That(outerContext.TryGetMessage("Channel2", out msg), Is.True, "Outer context missing msg");
Assert.AreSame(msg, msg2);
using (DatabaseContext context = DatabaseContext.GetContext(true))
{
context.CommitTransaction();
}
Assert.That(outerContext.TryGetMessage("Channel1", out msg), Is.False, "Outer context contains msg");
Assert.That(outerContext.TryGetMessage("Channel2", out msg), Is.False, "Outer context contains msg");
}
}
public void Test_Non_Transactional_Database_Context_Does_Not_FlushesMessages()
{
TestMessage msg;
TestMessage msg1 = new TestMessage();
TestMessage msg2 = new TestMessage();
using (DeferredChannelMessageContext outerContext = new DeferredChannelMessageContext())
{
outerContext.AddOrUpdateMessage("Channel1", msg1, null);
outerContext.AddOrUpdateMessage("Channel2", msg2, null);
Assert.That(outerContext.TryGetMessage("Channel1", out msg), Is.True, "Outer context missing msg");
Assert.AreSame(msg, msg1);
Assert.That(outerContext.TryGetMessage("Channel2", out msg), Is.True, "Outer context missing msg");
Assert.AreSame(msg, msg2);
using (DatabaseContext context = DatabaseContext.GetContext())
{
}
Assert.That(outerContext.TryGetMessage("Channel1", out msg), Is.True, "Outer context missing msg");
Assert.That(outerContext.TryGetMessage("Channel2", out msg), Is.True, "Outer context missing msg");
}
}
public void Test_Dispose_DifferentThread()
{
TestMessage msg;
TestMessage msg1 = new TestMessage();
TestMessage msg2 = new TestMessage();
using (DeferredChannelMessageContext outerContext = new DeferredChannelMessageContext())
{
outerContext.AddOrUpdateMessage("Channel1", msg1, null);
outerContext.AddOrUpdateMessage("Channel2", msg2, null);
Assert.That(outerContext.TryGetMessage("Channel1", out msg), Is.True, "Outer context missing msg");
Assert.AreSame(msg, msg1);
Assert.That(outerContext.TryGetMessage("Channel2", out msg), Is.True, "Outer context missing msg");
Assert.AreSame(msg, msg2);
// Call the dispose on a different thread.
// This tests the Begin Request/End Request creation and disposal
Thread tSetup = new Thread(new ThreadStart(() => { outerContext.Dispose(); }));
tSetup.Start();
tSetup.Join();
Assert.That(outerContext.TryGetMessage("Channel1", out msg), Is.False, "Outer context contains msg");
Assert.That(outerContext.TryGetMessage("Channel2", out msg), Is.False, "Outer context contains msg");
}
}
public void Test_FlushMessages()
{
TestMessage msg;
TestMessage msg1 = new TestMessage();
TestMessage msg2 = new TestMessage();
using (DeferredChannelMessageContext outerContext = new DeferredChannelMessageContext())
{
outerContext.AddOrUpdateMessage("Channel1", msg1, null);
outerContext.AddOrUpdateMessage("Channel2", msg2, null);
Assert.That(outerContext.TryGetMessage("Channel1", out msg), Is.True, "Outer context missing msg");
Assert.AreSame(msg, msg1);
Assert.That(outerContext.TryGetMessage("Channel2", out msg), Is.True, "Outer context missing msg");
Assert.AreSame(msg, msg2);
outerContext.FlushMessages();
Assert.That(outerContext.TryGetMessage("Channel1", out msg), Is.False, "Outer context contains msg");
Assert.That(outerContext.TryGetMessage("Channel2", out msg), Is.False, "Outer context contains msg");
}
}
public void Test_AttachedContext_Does_Not_Flush_On_Dispose()
{
TestMessage msg;
TestMessage msgAttached = new TestMessage();
DeferredChannelMessageContext outerContext = new DeferredChannelMessageContext();
DeferredChannelMessageContext attachedContext = new DeferredChannelMessageContext(ContextType.Attached);
attachedContext.AddOrUpdateMessage("Attached", msgAttached, null);
Assert.That(attachedContext.TryGetMessage("Attached", out msg), Is.True, "Attached context missing msg");
Assert.That(outerContext.TryGetMessage("Attached", out msg), Is.True, "Outer context missing msg");
Assert.AreSame(msg, msgAttached);
// Disposing inner context should not flush the messages
attachedContext.Dispose();
Assert.That(attachedContext.TryGetMessage("Attached", out msg), Is.True, "Attached context missing msg");
Assert.That(outerContext.TryGetMessage("Attached", out msg), Is.True, "Outer context missing msg");
Assert.AreSame(msg, msgAttached);
// Disposing outer context should flush the messages
outerContext.Dispose();
Assert.That(attachedContext.TryGetMessage("Attached", out msg), Is.False, "Attached context contains msg");
Assert.That(outerContext.TryGetMessage("Attached", out msg), Is.False, "Outer context contains msg");
}
public void Test_AddOrUpdateMessage_MultipleLevels()
{
TestMessage msg;
TestMessage msgOuter = new TestMessage();
TestMessage msgInner = new TestMessage();
using (DeferredChannelMessageContext outerContext = new DeferredChannelMessageContext())
{
outerContext.AddOrUpdateMessage("OuterChannel", msgOuter, null);
Assert.That(outerContext.TryGetMessage("OuterChannel", out msg), Is.True, "Outer context missing msg");
using (DeferredChannelMessageContext innerContext = new DeferredChannelMessageContext())
{
innerContext.AddOrUpdateMessage("InnerChannel", msgInner, null);
Assert.That(innerContext.TryGetMessage("InnerChannel", out msg), Is.True, "Inner context missing msg");
Assert.That(innerContext.TryGetMessage("OuterChannel", out msg), Is.False, "Inner context contains msg");
Assert.That(outerContext.TryGetMessage("OuterChannel", out msg), Is.True, "Outer context missing msg");
Assert.That(outerContext.TryGetMessage("InnerChannel", out msg), Is.False, "Outer context contains msg");
}
Assert.That(outerContext.TryGetMessage("OuterChannel", out msg), Is.True, "Outer context missing msg");
Assert.That(outerContext.TryGetMessage("InnerChannel", out msg), Is.False, "Outer context contains msg");
}
}
public void Test_TryGetMessage_Null_Channel()
{
using (DeferredChannelMessageContext context = new DeferredChannelMessageContext())
{
TestMessage msg;
Assert.Throws <ArgumentNullException>(() => context.TryGetMessage(null, out msg));
}
}
public void Test_AddOrUpdateMessage_Null_Message()
{
using (DeferredChannelMessageContext context = new DeferredChannelMessageContext())
{
context.AddOrUpdateMessage <TestMessage>("TestChannel", null, null);
TestMessage msg;
Assert.That(context.TryGetMessage("TestChannel", out msg), Is.False, "TryGetMessage failed");
}
}
public void Test_AddOrUpdateMessage_TryGetMessage()
{
using (DeferredChannelMessageContext context = new DeferredChannelMessageContext())
{
TestMessage msg = new TestMessage();
msg.Data.Add(1);
context.AddOrUpdateMessage("TestChannel", msg, null);
TestMessage addedMsg;
Assert.That(context.TryGetMessage("TestChannel", out addedMsg), Is.True, "TryGetMessage failed");
Assert.AreSame(msg, addedMsg);
}
}
public void Test_DetachedContext()
{
TestMessage msg;
TestMessage msgDetached = new TestMessage();
using (DeferredChannelMessageContext outerContext = new DeferredChannelMessageContext())
{
using (DeferredChannelMessageContext detachedContext = new DeferredChannelMessageContext(ContextType.Detached))
{
detachedContext.AddOrUpdateMessage("Detached", msgDetached, null);
Assert.That(detachedContext.TryGetMessage("Detached", out msg), Is.True, "Detached context missing msg");
Assert.That(outerContext.TryGetMessage("Detached", out msg), Is.False, "Outer context contains msg");
}
}
}
public void Test_AttachedContext()
{
TestMessage msg;
TestMessage msgAttached = new TestMessage();
using (DeferredChannelMessageContext outerContext = new DeferredChannelMessageContext())
{
using (DeferredChannelMessageContext attachedContext = new DeferredChannelMessageContext(ContextType.Attached))
{
attachedContext.AddOrUpdateMessage("Attached", msgAttached, null);
Assert.That(attachedContext.TryGetMessage("Attached", out msg), Is.True, "Attached context missing msg");
Assert.That(outerContext.TryGetMessage("Attached", out msg), Is.True, "Outer context missing msg");
Assert.AreSame(msg, msgAttached);
}
}
}
public void Test_AddOrUpdateMessage_Merge_TryGetMessage_Message()
{
using (DeferredChannelMessageContext context = new DeferredChannelMessageContext())
{
TestMessage msg = new TestMessage();
msg.Data.Add(1);
context.AddOrUpdateMessage("TestChannel", msg, null);
TestMessage msg2 = new TestMessage();
msg2.Data.Add(2);
context.AddOrUpdateMessage("TestChannel", msg2, (e, n) => e.Data.UnionWith(n.Data));
TestMessage addedMsg;
Assert.That(context.TryGetMessage("TestChannel", out addedMsg), Is.True, "TryGetMessage failed");
Assert.AreEqual(2, addedMsg.Data.Count);
Assert.Contains(1, addedMsg.Data);
Assert.Contains(2, addedMsg.Data);
}
}