public void Stop_should_trigger_immidiate_maintenace_call(
[Values(false, true)] bool checkOutConnection,
[Values(false, true)] bool closeInUseConnection)
{
var eventCapturer = new EventCapturer()
.Capture <ConnectionPoolAddedConnectionEvent>()
.Capture <ConnectionPoolRemovedConnectionEvent>();
int connectionId = 0;
using (var pool = CreatePool(
eventCapturer,
minPoolSize: 1,
connectionFactoryConfigurator: (factory) =>
{
factory
.Setup(f => f.CreateConnection(__serverId, __endPoint))
.Returns(() => new MockConnection(new ConnectionId(__serverId, ++connectionId), new ConnectionSettings(), eventCapturer));
})) // use to ensure that Maintenance attempt has been called
{
var subject = pool._maintenanceHelper();
var maitenanceInPlayTimeout = TimeSpan.FromMilliseconds(50);
eventCapturer.WaitForEventOrThrowIfTimeout <ConnectionPoolAddedConnectionEvent>(maitenanceInPlayTimeout);
eventCapturer.Next().Should().BeOfType <ConnectionPoolAddedConnectionEvent>().Which.ConnectionId.LocalValue.Should().Be(1); // minPoolSize has been enrolled
eventCapturer.Any().Should().BeFalse();
SpinWait.SpinUntil(() => pool.ConnectionHolder._connections().Count > 0, TimeSpan.FromSeconds(1)).Should().BeTrue(); // wait until connection 1 has been returned to the pool after minPoolSize logic
IConnection acquiredConnection = null;
if (checkOutConnection)
{
acquiredConnection = pool.AcquireConnection(CancellationToken.None);
acquiredConnection.ConnectionId.LocalValue.Should().Be(1);
}
IncrementGeneration(pool);
subject.Stop(maxGenerationToReap: closeInUseConnection ? pool.Generation : null);
var requestInPlayTimeout = TimeSpan.FromMilliseconds(100);
if (!closeInUseConnection && checkOutConnection)
{
// connection in progress should be not touched
Thread.Sleep(requestInPlayTimeout);
}
else
{
eventCapturer.WaitForOrThrowIfTimeout((events) => events.OfType <ConnectionPoolRemovedConnectionEvent>().Count() >= 1, requestInPlayTimeout);
eventCapturer.Next().Should().BeOfType <ConnectionPoolRemovedConnectionEvent>();
}
eventCapturer.Any().Should().BeFalse();
pool.AvailableCount.Should().Be(checkOutConnection ? pool.Settings.MaxConnections - 1 : pool.Settings.MaxConnections);
pool.CreatedCount.Should().Be(checkOutConnection ? 1 : 0);
pool.DormantCount.Should().Be(0);
pool.PendingCount.Should().Be(0);
pool.UsedCount.Should().Be(checkOutConnection ? 1 : 0);
}
}