/// <summary>
/// Checks that a connection to IB is established.
/// </summary>
/// <param name="tws">The instance to check the connection for.</param>
/// <param name="token">The token to check to cancel the task.</param>
/// <exception cref="ConnectionException">If a connection cannot be
/// established.</exception>
/// <exception cref="TaskCanceledException">If the task is canceled before
/// completion.</exception>
private static async Task CheckConnection(
ITwsControllerBase tws, CancellationToken token)
{
try
{
await tws.EnsureConnectedAsync(token);
}
catch (TimeoutException e)
{
if (tws.Connected)
{
await tws.DisconnectAsync();
}
throw new ConnectionException(
"Timed out waiting for connection to establish", e);
}
catch (TaskCanceledException)
{
if (tws.Connected)
{
await tws.DisconnectAsync();
}
throw;
}
catch (Exception e)
{
if (tws.Connected)
{
await tws.DisconnectAsync();
}
throw new ConnectionException(e.Message, e);
}
try
{
await tws.RequestPositions();
}
catch (TaskCanceledException e)
{
if (tws.Connected)
{
await tws.DisconnectAsync();
}
throw new ConnectionException(
"Timed out waiting for response from establish", e);
}
catch (Exception e)
{
if (tws.Connected)
{
await tws.DisconnectAsync();
}
throw new ConnectionException(e.Message, e);
}
}
public async Task PositionsController_Should_ReturnAListOfPositions()
{
// Setup
TwsObjectFactory twsObjectFactory = new TwsObjectFactory("localhost", TestConstants.Port, 1);
ITwsControllerBase twsController = twsObjectFactory.TwsControllerBase;
await twsController.EnsureConnectedAsync();
// Create a position
Contract contract = new Contract
{
SecType = TwsContractSecType.Stock,
Symbol = "MSFT",
Exchange = TwsExchange.Smart,
PrimaryExch = TwsExchange.Island,
};
Order order = new Order
{
Action = "BUY",
OrderType = "MKT",
TotalQuantity = 1
};
int orderId = await twsController.GetNextValidIdAsync();
bool successfullyPlaced = twsController.PlaceOrderAsync(orderId, contract, order).ConfigureAwait(false).GetAwaiter().GetResult();
Thread.Sleep(1000); // TWS takes some time to put the order in the portfolio. Wait for it.
// Call
List <PositionStatusEventArgs> positionStatusEvents = twsController.RequestPositions().ConfigureAwait(false).GetAwaiter().GetResult();
// Assert
positionStatusEvents.Count.Should().BeGreaterOrEqualTo(0);
PositionStatusEventArgs searchedPositions = positionStatusEvents.Where(eventArgs => eventArgs.Contract.Symbol == contract.Symbol).FirstOrDefault();
searchedPositions.Position.Should().BeGreaterOrEqualTo(order.TotalQuantity);
// Tear down
await twsController.DisconnectAsync();
}