public void Do_not_return_new_task_until_previous_completed()
{
var queue = new QueuedExecutor(_queuedExecutorSettings, NullPersister.Instance);
queue.TaskAdded += delegate { };
var task1 = new LongRunningTask(false);
var task2 = new LongRunningTask(false);
queue.Enqueue(new ExecutionEnvelope(task1, DefaultReleaser.Instance));
queue.Enqueue(new ExecutionEnvelope(task2, DefaultReleaser.Instance));
queue.Dequeue();
Assert.That(queue.Dequeue(), Is.Null);
}
public void Invoke_delegate_when_task_enqueued()
{
var queue = new QueuedExecutor(_queuedExecutorSettings, NullPersister.Instance);
IExecutionQueue invokedArg = null;
queue.TaskAdded += arg => invokedArg = arg;
//TODO: this task should look like that new LongRunningTask(Finish.Auto | Finish.Manual)
queue.Enqueue(new ExecutionEnvelope(new LongRunningTask(false), DefaultReleaser.Instance));
Assert.That(invokedArg, Is.SameAs(queue));
}
public void Do_no_invoke_delegate_when_concurrency_reached()
{
var queue = new QueuedExecutor(_queuedExecutorSettings, NullPersister.Instance);
int invokedTimes = 0;
queue.TaskAdded += arg => invokedTimes++;
//TODO: this task should look like that new LongRunningTask(Finish.Auto | Finish.Manual)
queue.Enqueue(new ExecutionEnvelope(new LongRunningTask(false), DefaultReleaser.Instance));
Assert.That(invokedTimes, Is.EqualTo(1));
}
public void Returns_enqueued_task_if_added()
{
int dequeed = int.MinValue;
var queue = new QueuedExecutor(_queuedExecutorSettings, NullPersister.Instance);
queue.TaskAdded += delegate { };
var expected = new ExecutionEnvelope(new LongRunningTask(false), DefaultReleaser.Instance);
queue.Enqueue(expected);
var task = queue.Dequeue();
Assert.That(task, Is.SameAs(expected));
}
public void When_task_completed_allow_to_take_next_task()
{
var queue = new QueuedExecutor(_queuedExecutorSettings, NullPersister.Instance);
queue.TaskAdded += delegate { };
var task1 = new LongRunningTask(false);
var task2 = new LongRunningTask(false);
var envelope1 = new ExecutionEnvelope(task1, DefaultReleaser.Instance);
queue.Enqueue(envelope1);
var envelope2 = new ExecutionEnvelope(task2, DefaultReleaser.Instance);
queue.Enqueue(envelope2);
var extracted = queue.Dequeue();
extracted.ExecuteTask();
Assert.That(queue.Dequeue(), Is.SameAs(envelope2));
}