public void testNullPriorityIsConsideredNormal()
{
PriorityChannel channel = new PriorityChannel(5);
IMessage highPriority = CreatePriorityMessage(MessagePriority.HIGH);
IMessage lowPriority = CreatePriorityMessage(MessagePriority.LOW);
IMessage nullPriority = new StringMessage("test-NULL");
channel.Send(lowPriority);
channel.Send(highPriority);
channel.Send(nullPriority);
Assert.That(channel.Receive(TimeSpan.Zero).Payload, Is.EqualTo("test-HIGH"));
Assert.That(channel.Receive(TimeSpan.Zero).Payload, Is.EqualTo("test-NULL"));
Assert.That(channel.Receive(TimeSpan.Zero).Payload, Is.EqualTo("test-LOW"));
}
public void testDefaultComparator()
{
PriorityChannel channel = new PriorityChannel(5);
IMessage priority1 = CreatePriorityMessage(MessagePriority.HIGHEST);
IMessage priority2 = CreatePriorityMessage(MessagePriority.HIGH);
IMessage priority3 = CreatePriorityMessage(MessagePriority.NORMAL);
IMessage priority4 = CreatePriorityMessage(MessagePriority.LOW);
IMessage priority5 = CreatePriorityMessage(MessagePriority.LOWEST);
channel.Send(priority4);
channel.Send(priority3);
channel.Send(priority5);
channel.Send(priority1);
channel.Send(priority2);
Assert.That(channel.Receive(TimeSpan.Zero).Payload, Is.EqualTo("test-HIGHEST"));
Assert.That(channel.Receive(TimeSpan.Zero).Payload, Is.EqualTo("test-HIGH"));
Assert.That(channel.Receive(TimeSpan.Zero).Payload, Is.EqualTo("test-NORMAL"));
Assert.That(channel.Receive(TimeSpan.Zero).Payload, Is.EqualTo("test-LOW"));
Assert.That(channel.Receive(TimeSpan.Zero).Payload, Is.EqualTo("test-LOWEST"));
}
public void testCustomComparator()
{
PriorityChannel channel = new PriorityChannel(5, new StringPayloadComparator());
IMessage messageA = new StringMessage("A");
IMessage messageB = new StringMessage("B");
IMessage messageC = new StringMessage("C");
IMessage messageD = new StringMessage("D");
IMessage messageE = new StringMessage("E");
channel.Send(messageC);
channel.Send(messageA);
channel.Send(messageE);
channel.Send(messageD);
channel.Send(messageB);
Assert.That(channel.Receive(TimeSpan.Zero).Payload, Is.EqualTo("A"));
Assert.That(channel.Receive(TimeSpan.Zero).Payload, Is.EqualTo("B"));
Assert.That(channel.Receive(TimeSpan.Zero).Payload, Is.EqualTo("C"));
Assert.That(channel.Receive(TimeSpan.Zero).Payload, Is.EqualTo("D"));
Assert.That(channel.Receive(TimeSpan.Zero).Payload, Is.EqualTo("E"));
}
public void testCapacityEnforced()
{
PriorityChannel channel = new PriorityChannel(3);
Assert.IsTrue(channel.Send(new StringMessage("test1"), TimeSpan.Zero));
Assert.IsTrue(channel.Send(new StringMessage("test2"), TimeSpan.Zero));
Assert.IsTrue(channel.Send(new StringMessage("test3"), TimeSpan.Zero));
Assert.IsFalse(channel.Send(new StringMessage("test4"), TimeSpan.Zero));
channel.Receive(TimeSpan.Zero);
Assert.IsTrue(channel.Send(new StringMessage("test5")));
}