public void MaximumMinimum()
{
var random = new Random();
var max = (ushort)random.Next(ushort.MinValue, 9);
var queue = Substitute.For<IQueueCount>();
var qs = new QueueScaler<object>(queue, max);
Assert.AreEqual(250, qs.Maximum);
}
public void MaximumMinimum()
{
var random = new Random();
var max = (ushort)random.Next(ushort.MinValue, 9);
var queue = Substitute.For <IQueueCount>();
var qs = new QueueScaler <object>(queue, max);
Assert.AreEqual(250, qs.Maximum);
}
public void ShouldScaleUp()
{
var queue = Substitute.For<IQueueCount>();
queue.ApproixmateMessageCount().Returns(Task.FromResult<long?>(10000));
var qs = new QueueScaler<object>(queue);
var result = qs.ShouldScale();
Assert.IsTrue(result.Value);
queue.Received().ApproixmateMessageCount();
}
public void ShouldScaleUp()
{
var queue = Substitute.For <IQueueCount>();
queue.ApproixmateMessageCount().Returns(Task.FromResult <long?>(10000));
var qs = new QueueScaler <object>(queue);
var result = qs.ShouldScale();
Assert.IsTrue(result.Value);
queue.Received().ApproixmateMessageCount();
}
public void ShouldScaleThrows()
{
var queue = Substitute.For <IQueueCount>();
queue.When(q => q.ApproixmateMessageCount()).Do(x => { throw new Exception(); });
var qs = new QueueScaler <object>(queue);
var result = qs.ShouldScale();
Assert.IsFalse(result.HasValue);
queue.Received().ApproixmateMessageCount();
}
public void ShouldScaleDown()
{
var factory = Substitute.For<ITaskFactory<object>>();
var queue = Substitute.For<IQueueCount>();
queue.ApproixmateMessageCount().Returns(Task.FromResult<long?>(1));
var qs = new QueueScaler<object>(queue, 12);
qs.ScaleUp(factory, new object(), Guid.NewGuid().ToString());
qs.ScaleUp(factory, new object(), Guid.NewGuid().ToString());
var result = qs.ShouldScale();
Assert.IsFalse(result.Value);
queue.Received().ApproixmateMessageCount();
}
public void ShouldScaleDown()
{
var factory = Substitute.For <ITaskFactory <object> >();
var queue = Substitute.For <IQueueCount>();
queue.ApproixmateMessageCount().Returns(Task.FromResult <long?>(1));
var qs = new QueueScaler <object>(queue, 12);
qs.ScaleUp(factory, new object(), Guid.NewGuid().ToString());
qs.ScaleUp(factory, new object(), Guid.NewGuid().ToString());
var result = qs.ShouldScale();
Assert.IsFalse(result.Value);
queue.Received().ApproixmateMessageCount();
}
public void ShouldScaleOptimal()
{
var random = new Random();
var count = (ushort)random.Next(ushort.MinValue, ushort.MaxValue);
var factory = Substitute.For <ITaskFactory <object> >();
var queue = Substitute.For <IQueueCount>();
queue.ApproixmateMessageCount().Returns(Task.FromResult <long?>(count));
var qs = new QueueScaler <object>(queue, count);
qs.ScaleUp(factory, new object(), Guid.NewGuid().ToString());
var result = qs.ShouldScale();
Assert.IsNull(result);
queue.Received().ApproixmateMessageCount();
}
public void ShouldScaleOptimal()
{
var random = new Random();
var count = (ushort)random.Next(ushort.MinValue, ushort.MaxValue);
var factory = Substitute.For<ITaskFactory<object>>();
var queue = Substitute.For<IQueueCount>();
queue.ApproixmateMessageCount().Returns(Task.FromResult<long?>(count));
var qs = new QueueScaler<object>(queue, count);
qs.ScaleUp(factory, new object(), Guid.NewGuid().ToString());
var result = qs.ShouldScale();
Assert.IsNull(result);
queue.Received().ApproixmateMessageCount();
}
public void ShouldScaleThrows()
{
var queue = Substitute.For<IQueueCount>();
queue.When(q => q.ApproixmateMessageCount()).Do(x => { throw new Exception(); });
var qs = new QueueScaler<object>(queue);
var result = qs.ShouldScale();
Assert.IsFalse(result.HasValue);
queue.Received().ApproixmateMessageCount();
}