public void DetachSubscriptionTest() { //create default endpoint DXEndpoint.Create(); //try to detach null subscription Assert.Catch(typeof(ArgumentNullException), () => { DXFeed.GetInstance().DetachSubscription <IDxOrder>(null); }); //try to detach already detached subscription var s = DXFeed.GetInstance().CreateSubscription <IDxOrder>(); DXFeed.GetInstance().DetachSubscription(s); DXFeed.GetInstance().DetachSubscription(s); //try to detach another not attached subscription DXFeedSubscription <IDxOrder> other = new DXFeedSubscription <IDxOrder>(DXEndpoint.GetInstance() as DXEndpoint); DXFeed.GetInstance().DetachSubscription(other); //thread-safety case DXEndpoint.Create(); Parallel.For(ParallelFrom, ParallelTo, i => { Assert.DoesNotThrow(() => { var newSubscription = new DXFeedSubscription <IDxOrder>(DXEndpoint.GetInstance() as DXEndpoint); DXFeed.GetInstance().AttachSubscription(newSubscription); DXFeed.GetInstance().DetachSubscription(newSubscription); }); }); }
public void IsClosedTest() { var s = DXEndpoint.Create().Feed.CreateSubscription <IDxOrder>(); Assert.False(s.IsClosed); Parallel.For(ParallelFrom, ParallelTo, i => { Assert.False(s.IsClosed); }); s.Close(); Assert.True(s.IsClosed); Parallel.For(ParallelFrom, ParallelTo, i => { Assert.DoesNotThrow(() => { Assert.True(s.IsClosed); }); }); //try to close subscription via closing endpoint s = DXFeed.GetInstance().CreateSubscription <IDxOrder>(); Assert.False(s.IsClosed); DXEndpoint.GetInstance().Close(); Assert.True(s.IsClosed); }
public void CreateTimeSeriesSubscriptionTest() { var symbol = "SYMA"; var s = DXEndpoint.Create().Feed.CreateTimeSeriesSubscription <IDxCandle>(); s.AddSymbols(symbol); TestListener eventListener = new TestListener(); s.AddEventListener(eventListener); var playedCandle = new PlayedCandle(symbol, Tools.DateToUnixTime(DateTime.Now), 123, 100, 12.34, 56.78, 9.0, 43.21, 1000, 999, 1001, 1002, 1, 777, 888, EventFlag.RemoveSymbol); EventPlayer <IDxCandle> eventPlayer = new EventPlayer <IDxCandle>(s as DXFeedSubscription <IDxCandle>); eventPlayer.PlayEvents(symbol, playedCandle); Assert.AreEqual(eventListener.GetEventCount <IDxCandle>(symbol), 1); IDxCandle receivedCandle = eventListener.GetLastEvent <IDxCandle>().Event; Assert.AreEqual(symbol, receivedCandle.EventSymbol.ToString()); CompareCandles(playedCandle, receivedCandle); //thread-safety case DXEndpoint.Create(); Parallel.For(ParallelFrom, ParallelTo, i => { Assert.DoesNotThrow(() => { DXEndpoint.GetInstance().Feed.CreateTimeSeriesSubscription <IDxCandle>(); }); }); }
public void EventTypesTest() { var orderSubscription = DXEndpoint.Create().Feed.CreateSubscription <IDxOrder>(); Assert.True(orderSubscription.EventTypes.SetEquals(new HashSet <Type>(new Type[] { typeof(IDxOrder) }))); ISet <Type> allTypesSet = DXEndpoint.GetInstance().GetEventTypes(); Type[] subscriptionTypes = allTypesSet.AsEnumerable().ToArray(); var allTypeSubscription = DXEndpoint.GetInstance().Feed.CreateSubscription <IDxEventType>(subscriptionTypes); Assert.True(allTypeSubscription.EventTypes.SetEquals(allTypesSet)); Parallel.For(ParallelFrom, ParallelTo, i => { Assert.True(allTypeSubscription.EventTypes.SetEquals(allTypesSet)); }); }
public void ContainEventTypeTest() { ISet <Type> allTypesSet = DXEndpoint.GetInstance().GetEventTypes(); var orderSubscription = DXEndpoint.Create().Feed.CreateSubscription <IDxOrder>(); Assert.True(orderSubscription.ContainsEventType(typeof(IDxOrder))); foreach (Type t in allTypesSet.Except(new Type[] { typeof(IDxOrder) })) { Assert.False(orderSubscription.ContainsEventType(t)); } Type[] subscriptionTypes = new Type[] { typeof(IDxOrder), typeof(IDxCandle) }; var orderCandleSubscription = DXEndpoint.GetInstance().Feed.CreateSubscription <IDxEventType>(subscriptionTypes); foreach (Type t in subscriptionTypes) { Assert.True(orderCandleSubscription.ContainsEventType(t)); } foreach (Type t in allTypesSet.Except(subscriptionTypes)) { Assert.False(orderCandleSubscription.ContainsEventType(t)); } subscriptionTypes = allTypesSet.AsEnumerable().ToArray(); var allTypeSubscription = DXEndpoint.GetInstance().Feed.CreateSubscription <IDxEventType>(subscriptionTypes); foreach (Type t in allTypesSet) { Assert.True(allTypeSubscription.ContainsEventType(t)); } Assert.False(allTypeSubscription.ContainsEventType(null)); Parallel.For(ParallelFrom, ParallelTo, i => { foreach (Type t in allTypesSet) { Assert.True(allTypeSubscription.ContainsEventType(t)); } }); }
public void CreateSubscriptionTest() { var symbol = "SYMA"; var s = DXEndpoint.Create().Feed.CreateSubscription <IDxOrder>(); s.AddSymbols(symbol); TestListener eventListener = new TestListener(); s.AddEventListener(eventListener); var playedOrder = new PlayedOrder(symbol, 0, 0x4e54560000000006, 0, 0, 0, 0, 100, 25, Scope.Order, Side.Buy, 'A', OrderSource.NTV, "AAAA"); EventPlayer <IDxOrder> eventPlayer = new EventPlayer <IDxOrder>(s as DXFeedSubscription <IDxOrder>); eventPlayer.PlayEvents(symbol, playedOrder); Assert.AreEqual(eventListener.GetEventCount <IDxOrder>(symbol), 1); IDxOrder receivedOrder = eventListener.GetLastEvent <IDxOrder>().Event; Assert.AreEqual(symbol, receivedOrder.EventSymbol); CompareOrders(playedOrder, receivedOrder); //try to create subscription on closed endpoint DXEndpoint.GetInstance().Close(); Assert.Catch(typeof(InvalidOperationException), () => { DXFeed.GetInstance().CreateSubscription <IDxOrder>(); }); //thread-safety case DXEndpoint.Create(); Parallel.For(ParallelFrom, ParallelTo, i => { Assert.DoesNotThrow(() => { DXFeed.GetInstance().CreateSubscription <IDxOrder>(); }); }); }
public void GetTimeSeriesPromiseTest() { //create default endpoint DXEndpoint.Create(); var symbol = "SYMA"; //try to create promise with invalid parameters Assert.Catch(typeof(ArgumentException), () => { try { DXFeed.GetInstance().GetTimeSeriesPromise <IDxGreeks>(null, 0, 0, CancellationToken.None).Wait(); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { throw inner; } } }); //try to cancel promise CancellationTokenSource cancelSource = new CancellationTokenSource(); Task <List <IDxGreeks> > promise = DXFeed.GetInstance().GetTimeSeriesPromise <IDxGreeks>(symbol, 0, 0, cancelSource.Token); cancelSource.CancelAfter(TimeSpan.FromSeconds(2)); try { Task.WaitAll(promise); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { if (!(inner is OperationCanceledException)) { Assert.Fail("Unexpected exception: " + inner); } } } //try wait promise with timeout cancelSource = new CancellationTokenSource(TimeSpan.FromSeconds(2)); promise = DXFeed.GetInstance().GetTimeSeriesPromise <IDxGreeks>(symbol, 0, 0, cancelSource.Token); try { Task.WaitAll(promise); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { if (!(inner is OperationCanceledException)) { Assert.Fail("Unexpected exception: " + inner); } } } //try close endpoint while promise waiting Task closeEndpointTask = Task.Run(() => { Thread.Sleep(TimeSpan.FromSeconds(2)); DXEndpoint.GetInstance().Close(); }); promise = DXFeed.GetInstance().GetTimeSeriesPromise <IDxGreeks>(symbol, 0, 0, CancellationToken.None); try { Task.WaitAll(promise, closeEndpointTask); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { if (!(inner is OperationCanceledException)) { Assert.Fail("Unexpected exception: " + inner); } } } //try to get promise on closed endpoint promise = DXFeed.GetInstance().GetTimeSeriesPromise <IDxGreeks>(symbol, 0, 0, CancellationToken.None); try { Task.WaitAll(promise); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { if (!(inner is OperationCanceledException)) { Assert.Fail("Unexpected exception: " + inner); } } } //try to get last event succesfully DateTime date = DateTime.Now; var playedGreeks = new PlayedGreeks[] { new PlayedGreeks(symbol, 0, 5, Tools.DateToUnixTime(date), 156.789, 111, 155, 166, 177, 188, 199), new PlayedGreeks(symbol, 0, 4, Tools.DateToUnixTime(date.AddMinutes(-1)), 256.789, 211, 255, 266, 277, 288, 299), new PlayedGreeks(symbol, 0, 3, Tools.DateToUnixTime(date.AddMinutes(-2)), 356.789, 311, 355, 366, 377, 388, 399), new PlayedGreeks(symbol, 0, 2, Tools.DateToUnixTime(date.AddMinutes(-3)), 456.789, 411, 455, 466, 477, 488, 499), new PlayedGreeks(symbol, 0, 1, Tools.DateToUnixTime(date.AddMinutes(-4)), 556.789, 511, 555, 566, 577, 588, 599), }; var expectedGreeks = new PlayedGreeks[] { new PlayedGreeks(symbol, 0, 4, Tools.DateToUnixTime(date.AddMinutes(-1)), 256.789, 211, 255, 266, 277, 288, 299), new PlayedGreeks(symbol, 0, 3, Tools.DateToUnixTime(date.AddMinutes(-2)), 356.789, 311, 355, 366, 377, 388, 399), new PlayedGreeks(symbol, 0, 2, Tools.DateToUnixTime(date.AddMinutes(-3)), 456.789, 411, 455, 466, 477, 488, 499) }; Task eventPlayerTask = Task.Run(() => { Thread.Sleep(TimeSpan.FromSeconds(2)); EventPlayer <IDxGreeks> eventPlayer = new EventPlayer <IDxGreeks>(GetSubscriptionFromFeed <IDxGreeks>(symbol)); eventPlayer.PlaySnapshot(symbol, playedGreeks); }); cancelSource = new CancellationTokenSource(TimeSpan.FromSeconds(10)); promise = DXEndpoint.Create().Feed.GetTimeSeriesPromise <IDxGreeks>(symbol, Tools.DateToUnixTime(date.AddMinutes(-3)), Tools.DateToUnixTime(date.AddMinutes(-1)), cancelSource.Token); Assert.DoesNotThrow(() => { Task.WaitAll(promise, eventPlayerTask); }); var receivedGreeks = promise.Result; receivedGreeks.Reverse(); Assert.AreEqual(expectedGreeks.Length, receivedGreeks.Count); for (int i = 0; i < expectedGreeks.Length; i++) { Assert.AreEqual(symbol, receivedGreeks[i].EventSymbol.ToString()); CompareGreeks(expectedGreeks[i], receivedGreeks[i]); } //thread-safety case DXEndpoint.Create(); List <Task> tasks = new List <Task>(); for (int i = 0; i < 10; i++) { var threadSymbol = symbol + i.ToString(); var threadPlayedGreeks = new PlayedGreeks[] { new PlayedGreeks(symbol, 0, 5, Tools.DateToUnixTime(date), 156.789, 111, 155, 166, 177, 188, 199), new PlayedGreeks(symbol, 0, 4, Tools.DateToUnixTime(date.AddMinutes(-1)), 256.789, 211, 255, 266, 277, 288, 299), new PlayedGreeks(symbol, 0, 3, Tools.DateToUnixTime(date.AddMinutes(-2)), 356.789, 311, 355, 366, 377, 388, 399), new PlayedGreeks(symbol, 0, 2, Tools.DateToUnixTime(date.AddMinutes(-3)), 456.789, 411, 455, 466, 477, 488, 499), new PlayedGreeks(symbol, 0, 1, Tools.DateToUnixTime(date.AddMinutes(-4)), 556.789, 511, 555, 566, 577, 588, 599), }; tasks.Add(Task.Run(() => { Thread.Sleep(TimeSpan.FromSeconds(2)); var eventPlayer = new EventPlayer <IDxGreeks>(GetSubscriptionFromFeed <IDxGreeks>(threadSymbol)); eventPlayer.PlaySnapshot(threadSymbol, threadPlayedGreeks); })); var threadPromise = DXEndpoint.GetInstance().Feed .GetTimeSeriesPromise <IDxGreeks>(threadSymbol, Tools.DateToUnixTime(date.AddMinutes(-3)), Tools.DateToUnixTime(date.AddMinutes(-1)), new CancellationTokenSource(TimeSpan.FromSeconds(20)).Token) .ContinueWith((resultPromise) => { foreach (var g in resultPromise.Result) { Assert.AreEqual(threadSymbol, g.EventSymbol); } }); tasks.Add(threadPromise); } ; Assert.DoesNotThrow(() => { Task.WaitAll(tasks.ToArray()); }); }
public void GetIndexedEventsPromiseTest() { //create default endpoint DXEndpoint.Create(); var symbol = "SYMA"; //try to create promise with invalid parameters Assert.Catch(typeof(ArgumentException), () => { try { DXFeed.GetInstance().GetIndexedEventsPromise <IDxOrder>(null, OrderSource.NTV, CancellationToken.None).Wait(); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { throw inner; } } }); Assert.Catch(typeof(ArgumentException), () => { try { DXFeed.GetInstance().GetIndexedEventsPromise <IDxOrder>(symbol, null, CancellationToken.None).Wait(); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { throw inner; } } }); //try to cancel promise CancellationTokenSource cancelSource = new CancellationTokenSource(); Task <List <IDxOrder> > promise = DXFeed.GetInstance().GetIndexedEventsPromise <IDxOrder>(symbol, OrderSource.NTV, cancelSource.Token); cancelSource.CancelAfter(TimeSpan.FromSeconds(2)); try { Task.WaitAll(promise); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { if (!(inner is OperationCanceledException)) { Assert.Fail("Unexpected exception: " + inner); } } } //try wait promise with timeout cancelSource = new CancellationTokenSource(TimeSpan.FromSeconds(2)); promise = DXFeed.GetInstance().GetIndexedEventsPromise <IDxOrder>(symbol, OrderSource.NTV, cancelSource.Token); try { Task.WaitAll(promise); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { if (!(inner is OperationCanceledException)) { Assert.Fail("Unexpected exception: " + inner); } } } //try close endpoint while promise waiting Task closeEndpointTask = Task.Run(() => { Thread.Sleep(TimeSpan.FromSeconds(2)); DXEndpoint.GetInstance().Close(); }); promise = DXFeed.GetInstance().GetIndexedEventsPromise <IDxOrder>(symbol, OrderSource.NTV, CancellationToken.None); try { Task.WaitAll(promise, closeEndpointTask); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { if (!(inner is OperationCanceledException)) { Assert.Fail("Unexpected exception: " + inner); } } } //try to get promise on closed endpoint promise = DXFeed.GetInstance().GetIndexedEventsPromise <IDxOrder>(symbol, OrderSource.NTV, CancellationToken.None); try { Task.WaitAll(promise); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { if (!(inner is OperationCanceledException)) { Assert.Fail("Unexpected exception: " + inner); } } } //try to get last event succesfully DateTime date = DateTime.Now; var playedOrders = new PlayedOrder[] { new PlayedOrder(symbol, 0, 0x4e54560000000006, Tools.DateToUnixTime(date), 0, 0, 100, 100, 25, Scope.Order, Side.Buy, 'A', OrderSource.NTV, "AAAA"), new PlayedOrder(symbol, 0, 0x4e54560000000005, Tools.DateToUnixTime(date.AddMinutes(-1)), 0, 0, 100.5, 101, 25, Scope.Order, Side.Buy, 'A', OrderSource.NTV, "AAAA"), new PlayedOrder(symbol, 0, 0x4e54560000000004, Tools.DateToUnixTime(date.AddMinutes(-2)), 0, 0, 101, 102, 25, Scope.Order, Side.Sell, 'A', OrderSource.NTV, "AAAA"), new PlayedOrder(symbol, 0, 0x4e54560000000003, Tools.DateToUnixTime(date.AddMinutes(-3)), 0, 0, 100, 103, 25, Scope.Order, Side.Buy, 'A', OrderSource.NTV, "AAAA"), new PlayedOrder(symbol, 0, 0x4e54560000000002, Tools.DateToUnixTime(date.AddMinutes(-4)), 0, 0, 100.4, 104, 25, Scope.Order, Side.Buy, 'A', OrderSource.NTV, "AAAA"), new PlayedOrder(symbol, 0, 0x4e54560000000001, Tools.DateToUnixTime(date.AddMinutes(-5)), 0, 0, 100.3, 105, 25, Scope.Order, Side.Buy, 'A', OrderSource.NTV, "AAAA"), new PlayedOrder(symbol, 0, 0x4e54560000000000, Tools.DateToUnixTime(date.AddMinutes(-6)), 0, 0, 100.2, 106, 25, Scope.Order, Side.Buy, 'A', OrderSource.NTV, "AAAA") }; Task eventPlayerTask = Task.Run(() => { Thread.Sleep(TimeSpan.FromSeconds(1)); EventPlayer <IDxOrder> eventPlayer = new EventPlayer <IDxOrder>(GetSubscriptionFromFeed <IDxOrder>(symbol)); eventPlayer.PlaySnapshot(symbol, playedOrders); }); cancelSource = new CancellationTokenSource(TimeSpan.FromSeconds(10)); promise = DXEndpoint.Create().Feed.GetIndexedEventsPromise <IDxOrder>(symbol, OrderSource.NTV, cancelSource.Token); Assert.DoesNotThrow(() => { Task.WaitAll(promise, eventPlayerTask); }); var receivedOrders = promise.Result; receivedOrders.Reverse(); Assert.AreEqual(playedOrders.Length, receivedOrders.Count); for (int i = 0; i < playedOrders.Length; i++) { Assert.AreEqual(symbol, receivedOrders[i].EventSymbol); CompareOrders(playedOrders[i], receivedOrders[i]); } //thread-safety case DXEndpoint.Create(); List <Task> tasks = new List <Task>(); for (int i = 0; i < 10; i++) { var threadSymbol = symbol + i.ToString(); var threadPlayedOrders = new PlayedOrder[] { new PlayedOrder(threadSymbol, 0, 0x4e54560000000006, Tools.DateToUnixTime(date), 0, 0, 100, 100, 25, Scope.Order, Side.Buy, 'A', OrderSource.NTV, "AAAA"), new PlayedOrder(threadSymbol, 0, 0x4e54560000000005, Tools.DateToUnixTime(date.AddMinutes(-1)), 0, 0, 100.5, 101, 25, Scope.Order, Side.Buy, 'A', OrderSource.NTV, "AAAA"), new PlayedOrder(threadSymbol, 0, 0x4e54560000000004, Tools.DateToUnixTime(date.AddMinutes(-2)), 0, 0, 101, 102, 25, Scope.Order, Side.Sell, 'A', OrderSource.NTV, "AAAA"), new PlayedOrder(threadSymbol, 0, 0x4e54560000000003, Tools.DateToUnixTime(date.AddMinutes(-3)), 0, 0, 100, 103, 25, Scope.Order, Side.Buy, 'A', OrderSource.NTV, "AAAA"), new PlayedOrder(threadSymbol, 0, 0x4e54560000000002, Tools.DateToUnixTime(date.AddMinutes(-4)), 0, 0, 100.4, 104, 25, Scope.Order, Side.Buy, 'A', OrderSource.NTV, "AAAA"), new PlayedOrder(threadSymbol, 0, 0x4e54560000000001, Tools.DateToUnixTime(date.AddMinutes(-5)), 0, 0, 100.3, 105, 25, Scope.Order, Side.Buy, 'A', OrderSource.NTV, "AAAA"), new PlayedOrder(threadSymbol, 0, 0x4e54560000000000, Tools.DateToUnixTime(date.AddMinutes(-6)), 0, 0, 100.2, 106, 25, Scope.Order, Side.Buy, 'A', OrderSource.NTV, "AAAA") }; tasks.Add(Task.Run(() => { Thread.Sleep(TimeSpan.FromSeconds(2)); var eventPlayer = new EventPlayer <IDxOrder>(GetSubscriptionFromFeed <IDxOrder>(threadSymbol)); eventPlayer.PlaySnapshot(threadSymbol, threadPlayedOrders); })); var threadPromise = DXEndpoint.GetInstance().Feed .GetIndexedEventsPromise <IDxOrder>(threadSymbol, OrderSource.NTV, new CancellationTokenSource(TimeSpan.FromSeconds(20)).Token) .ContinueWith((resultPromise) => { foreach (var o in resultPromise.Result) { Assert.AreEqual(threadSymbol, o.EventSymbol); } }); tasks.Add(threadPromise); } ; Assert.DoesNotThrow(() => { Task.WaitAll(tasks.ToArray()); }); }
public void GetLastEventsPromisesTest() { //create default endpoint DXEndpoint.Create(); var symbols = new string[] { "SYMA", "SYMB" }; //try to create promise with invalid parameters Assert.Catch(typeof(ArgumentException), () => { try { Task.WaitAll(DXFeed.GetInstance().GetLastEventsPromises <IDxTrade>(null, CancellationToken.None).ToArray()); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { throw inner; } } }); Assert.Catch(typeof(ArgumentException), () => { try { Task.WaitAll(DXFeed.GetInstance().GetLastEventsPromises <IDxTrade>(new object[] { null }, CancellationToken.None).ToArray()); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { throw inner; } } }); //try to cancel promise CancellationTokenSource cancelSource = new CancellationTokenSource(); List <Task <IDxLastingEvent> > promises = DXFeed.GetInstance().GetLastEventsPromises <IDxTrade>(symbols, cancelSource.Token); cancelSource.CancelAfter(TimeSpan.FromSeconds(2)); try { Task.WaitAll(promises.ToArray()); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { if (!(inner is OperationCanceledException)) { Assert.Fail("Unexpected exception: " + inner); } } } //try wait promise with timeout cancelSource = new CancellationTokenSource(TimeSpan.FromSeconds(2)); promises = DXFeed.GetInstance().GetLastEventsPromises <IDxTrade>(symbols, cancelSource.Token); try { Task.WaitAll(promises.ToArray()); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { if (!(inner is OperationCanceledException)) { Assert.Fail("Unexpected exception: " + inner); } } } //try close endpoint while promise waiting Task closeEndpointTask = Task.Run(() => { Thread.Sleep(TimeSpan.FromSeconds(2)); DXEndpoint.GetInstance().Close(); }); promises = DXFeed.GetInstance().GetLastEventsPromises <IDxTrade>(symbols, CancellationToken.None); List <Task> allTasks = new List <Task>(); foreach (var p in promises) { allTasks.Add(p); } allTasks.Add(closeEndpointTask); try { Task.WaitAll(allTasks.ToArray()); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { if (!(inner is OperationCanceledException)) { Assert.Fail("Unexpected exception: " + inner); } } } //try to get promise on closed endpoint promises = DXFeed.GetInstance().GetLastEventsPromises <IDxTrade>(symbols, CancellationToken.None); try { Task.WaitAll(promises.ToArray()); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { if (!(inner is OperationCanceledException)) { Assert.Fail("Unexpected exception: " + inner); } } } //try to get last event succesfully var playedTrades = new PlayedTrade[] { new PlayedTrade(symbols[0], Tools.DateToUnixTime(DateTime.Now), 0, 0, 'B', 123.456, 100, 123, 1.1, 0, 2.2, 0.0, Direction.Undefined, false, Scope.Regional), new PlayedTrade(symbols[1], Tools.DateToUnixTime(DateTime.Now), 0, 0, 'B', 234.567, 101, 234, 3.2, 0, 4.3, 0.0, Direction.Undefined, false, Scope.Regional) }; Task eventPlayerTask = Task.Run(() => { Thread.Sleep(TimeSpan.FromSeconds(1)); foreach (var t in playedTrades) { EventPlayer <IDxTrade> eventPlayer = new EventPlayer <IDxTrade>(GetSubscriptionFromFeed <IDxTrade>(t.EventSymbol)); eventPlayer.PlayEvents(t.EventSymbol, t); } }); cancelSource = new CancellationTokenSource(TimeSpan.FromSeconds(10)); promises = DXEndpoint.Create().Feed.GetLastEventsPromises <IDxTrade>(symbols, cancelSource.Token); allTasks = new List <Task>(); foreach (var p in promises) { allTasks.Add(p); } allTasks.Add(eventPlayerTask); Assert.DoesNotThrow(() => { Task.WaitAll(allTasks.ToArray()); }); Dictionary <string, PlayedTrade> playedTradeDictionary = new Dictionary <string, PlayedTrade>(); foreach (var t in playedTrades) { playedTradeDictionary[t.EventSymbol] = t; } foreach (var p in promises) { IDxTrade lastTrade = p.Result as IDxTrade; Assert.True(playedTradeDictionary.ContainsKey(lastTrade.EventSymbol)); var playedTrade = playedTradeDictionary[lastTrade.EventSymbol]; playedTradeDictionary.Remove(lastTrade.EventSymbol); CompareTrades(playedTrade, lastTrade); } //thread-safety case DXEndpoint.Create(); List <Task> threadTasks = new List <Task>(); for (int i = 0; i < 10; i++) { var threadSymbols = new string[] { symbols[0] + i.ToString(), symbols[1] + i.ToString() }; var threadPlayedTrades = new PlayedTrade[] { new PlayedTrade(threadSymbols[0], Tools.DateToUnixTime(DateTime.Now), 0, 0, 'B', 123.456, 100, 123, 1.1, 0, 2.2, 0.0, Direction.Undefined, false, Scope.Regional), new PlayedTrade(threadSymbols[1], Tools.DateToUnixTime(DateTime.Now), 0, 0, 'B', 234.567, 101, 234, 3.2, 0, 4.3, 0.0, Direction.Undefined, false, Scope.Regional) }; HashSet <string> threadPlayedSymbols = new HashSet <string>(); foreach (var t in threadPlayedTrades) { threadTasks.Add(Task.Run(() => { Thread.Sleep(TimeSpan.FromSeconds(2)); var eventPlayer = new EventPlayer <IDxTrade>(GetSubscriptionFromFeed <IDxTrade>(t.EventSymbol)); eventPlayer.PlayEvents(t.EventSymbol, t); })); threadPlayedSymbols.Add(t.EventSymbol); } foreach (var p in DXEndpoint.GetInstance().Feed.GetLastEventsPromises <IDxTrade>(threadSymbols, new CancellationTokenSource(TimeSpan.FromSeconds(20)).Token)) { threadTasks.Add(p.ContinueWith((resultPromise) => { IDxTrade threadTrade = resultPromise.Result as IDxTrade; Assert.True(threadPlayedSymbols.Remove(threadTrade.EventSymbol)); })); } } ; Assert.DoesNotThrow(() => { Task.WaitAll(threadTasks.ToArray()); }); }
public void GetLastEventPromiseTest() { //create default endpoint DXEndpoint.Create(); var symbol = "SYMA"; //try to create promise with invalid parameters Assert.Catch(typeof(ArgumentException), () => { try { DXFeed.GetInstance().GetLastEventPromise <IDxTrade>(null, CancellationToken.None).Wait(); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { throw inner; } } }); //try to cancel promise CancellationTokenSource cancelSource = new CancellationTokenSource(); Task <IDxLastingEvent> promise = DXFeed.GetInstance().GetLastEventPromise <IDxTrade>(symbol, cancelSource.Token); cancelSource.CancelAfter(TimeSpan.FromSeconds(2)); try { Task.WaitAll(promise); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { if (!(inner is OperationCanceledException)) { Assert.Fail("Unexpected exception: " + inner); } } } //try wait promise with timeout cancelSource = new CancellationTokenSource(TimeSpan.FromSeconds(2)); promise = DXFeed.GetInstance().GetLastEventPromise <IDxTrade>(symbol, cancelSource.Token); try { Task.WaitAll(promise); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { if (!(inner is OperationCanceledException)) { Assert.Fail("Unexpected exception: " + inner); } } } //try close endpoint while promise waiting Task closeEndpointTask = Task.Run(() => { Thread.Sleep(TimeSpan.FromSeconds(2)); DXEndpoint.GetInstance().Close(); }); promise = DXFeed.GetInstance().GetLastEventPromise <IDxTrade>(symbol, CancellationToken.None); try { Task.WaitAll(promise, closeEndpointTask); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { if (!(inner is OperationCanceledException)) { Assert.Fail("Unexpected exception: " + inner); } } } //try to get promise on closed endpoint promise = DXFeed.GetInstance().GetLastEventPromise <IDxTrade>(symbol, CancellationToken.None); try { Task.WaitAll(promise); } catch (AggregateException ae) { foreach (var inner in ae.InnerExceptions) { if (!(inner is OperationCanceledException)) { Assert.Fail("Unexpected exception: " + inner); } } } //try to get last event succesfully var playedTrade = new PlayedTrade(symbol, Tools.DateToUnixTime(DateTime.Now), 0, 0, 'B', 123.456, 100, 123, 1.1, 0, 2.2, 0.0, Direction.Undefined, false, Scope.Regional); Task eventPlayerTask = Task.Run(() => { Thread.Sleep(TimeSpan.FromSeconds(1)); EventPlayer <IDxTrade> eventPlayer = new EventPlayer <IDxTrade>(GetSubscriptionFromFeed <IDxTrade>(symbol)); eventPlayer.PlayEvents(symbol, playedTrade); }); cancelSource = new CancellationTokenSource(TimeSpan.FromSeconds(10)); promise = DXEndpoint.Create().Feed.GetLastEventPromise <IDxTrade>(symbol, cancelSource.Token); Assert.DoesNotThrow(() => { Task.WaitAll(promise, eventPlayerTask); }); IDxTrade lastTrade = promise.Result as IDxTrade; Assert.AreEqual(symbol, lastTrade.EventSymbol); CompareTrades(playedTrade, lastTrade); //thread-safety case DXEndpoint.Create(); List <Task> tasks = new List <Task>(); for (int i = 0; i < 10; i++) { var threadSymbol = symbol + i.ToString(); var threadPlayedTrade = new PlayedTrade(threadSymbol, Tools.DateToUnixTime(DateTime.Now), 0, 0, 'B', 123.456, 100, 123, 1.1, 0, 2.2, 0.0, Direction.Undefined, false, Scope.Regional); tasks.Add(Task.Run(() => { Thread.Sleep(TimeSpan.FromSeconds(1)); var eventPlayer = new EventPlayer <IDxTrade>(GetSubscriptionFromFeed <IDxTrade>(threadSymbol)); eventPlayer.PlayEvents(threadSymbol, threadPlayedTrade); })); var threadPromise = DXEndpoint.GetInstance().Feed .GetLastEventPromise <IDxTrade>(threadSymbol, new CancellationTokenSource(TimeSpan.FromSeconds(5)).Token) .ContinueWith((resultPromise) => { IDxTrade threadTrade = resultPromise.Result as IDxTrade; Assert.AreEqual(threadSymbol, threadTrade.EventSymbol); }); tasks.Add(threadPromise); } ; Assert.DoesNotThrow(() => { Task.WaitAll(tasks.ToArray()); }); }
/// <summary> /// Returns a default application-wide singleton instance of feed. Most applications /// use only a single data-source and should rely on this method to get one. /// </summary> /// <returns>Singleton instance of feed.</returns> public static IDXFeed GetInstance() { return(DXEndpoint.GetInstance().Feed); }