public void Initialize_InvalidPair_ThrowsException()
{
var socketMock = new Mock <IWebSocket>();
var binanceMock = InitBinanceClientMock();
var subject = new Binance(socketMock.Object, binanceMock.Object, Mock.Of <ITime>());
var e = Expect.ThrowAsync <ArgumentException>(async() => {
await subject.Initialize(Assets.BTC, Assets.DOGE);
});
Assert.AreEqual("Trading pair BTCDOGE is not available on Binance", e.Message);
}
public void Initialize_ValidPair_OpensSocketAndSubscribesAndReturnsBalances()
{
var socketMock = new Mock <IWebSocket>();
var binanceMock = InitBinanceClientMock();
var subject = new Binance(socketMock.Object, binanceMock.Object, Mock.Of <ITime>());
var(asset1, asset2) = subject.Initialize(Assets.BTC, Assets.USDT).Result;
socketMock.Verify(m => m.Connect("wss://stream.binance.com:9443/ws/btcusdt@ticker"));
Assert.AreEqual(1M, asset1);
Assert.AreEqual(10000M, asset2);
}
public void Sell_TransactionLessThanMinQuantity_ReturnsNull()
{
var binanceClient = InitBinanceClientMock();
var subject = new Binance(Mock.Of <IWebSocket>(), binanceClient.Object, Mock.Of <ITime>());
subject.Initialize(Assets.BTC, Assets.USDT).Wait();
var result = subject.Sell(new Sample()
{
Value = 0.0001M
}, 0.000099M).Result;
Assert.IsNull(result);
binanceClient.Verify(m => m.CreateOrder(It.IsAny <CreateOrderRequest>()), Times.Never());
}
public void Dispose_Initialized_CantDoStuff()
{
var socketMock = new Mock <IWebSocket>();
var binanceMock = InitBinanceClientMock();
var subject = new Binance(socketMock.Object, binanceMock.Object, Mock.Of <ITime>());
subject.Initialize(Assets.BTC, Assets.USDT).Wait();
subject.Dispose();
var e = Expect.ThrowAsync <InvalidOperationException>(async() => {
await subject.GetCurrentPrice();
});
Assert.AreEqual("Binance cannot GetCurrentPrice until Initialized!", e.Message);
socketMock.Verify(m => m.Dispose());
}
public void CheckOrder_OrderFilled_ReturnsOrderWithSameIDMarkedFilled()
{
var binanceClient = InitBinanceClientMock();
binanceClient.Setup(m => m.QueryOrder(It.Is <QueryOrderRequest>(q =>
q.OriginalClientOrderId == "123" &&
q.Symbol == "BTCUSDT"), 5000))
.ReturnsAsync(new OrderResponse()
{
Status = OrderStatus.Filled
});
var subject = new Binance(Mock.Of <IWebSocket>(), binanceClient.Object, Mock.Of <ITime>());
subject.Initialize(Assets.BTC, Assets.USDT).Wait();
var result = subject.CheckOrder(new Order()
{
Id = "123"
}).Result;
Assert.AreEqual("123", result.Id);
Assert.IsTrue(result.Fulfilled);
}
public void GetCurrentPrice_NonTickerMessage_Retries()
{
var time = DateTime.Now;
var message = new { e = "24hrTicker", b = 1.25 }.Json();
var dummyMessage = new { type = "cat facts" }.Json();
var socketMock = new Mock <IWebSocket>();
var timeMock = new Mock <ITime>();
var binanceMock = InitBinanceClientMock();
var subject = new Binance(socketMock.Object, binanceMock.Object, timeMock.Object);
subject.Initialize(Assets.BTC, Assets.USDT).Wait();
socketMock.SetupSequence(m => m.ReceiveMessage())
.ReturnsAsync(dummyMessage)
.ReturnsAsync(message);
timeMock.Setup(m => m.Now).Returns(time);
var result = subject.GetCurrentPrice().Result;
Assert.AreEqual(time, result.DateTime);
Assert.AreEqual(1.25M, result.Value);
}
public void GetCurrentPrice_SocketDisconnct_ReconnectsAndRetries()
{
var time = DateTime.Now;
var message = new { e = "24hrTicker", b = 1.25 }.Json();
var socketMock = new Mock <IWebSocket>();
var timeMock = new Mock <ITime>();
var binanceMock = InitBinanceClientMock();
var subject = new Binance(socketMock.Object, binanceMock.Object, timeMock.Object);
subject.Initialize(Assets.BTC, Assets.USDT).Wait();
socketMock.SetupSequence(m => m.ReceiveMessage())
.ThrowsAsync(new WebSocketException("Shit's broken yo"))
.ReturnsAsync(message);
timeMock.Setup(m => m.Now).Returns(time);
var result = subject.GetCurrentPrice().Result;
Assert.AreEqual(time, result.DateTime);
Assert.AreEqual(1.25M, result.Value);
socketMock.Verify(m => m.Connect("wss://stream.binance.com:9443/ws/btcusdt@ticker"));
}
public void Sell_TransactionMoreThanMinQuantity_SubmitsAndReturnsOrder()
{
var binanceClient = InitBinanceClientMock();
binanceClient.Setup(m => m.CreateOrder(It.Is <CreateOrderRequest>(r =>
r.Symbol == "BTCUSDT" &&
r.Side == OrderSide.Sell &&
r.Type == OrderType.Market &&
r.Quantity == 0.0005M
))).ReturnsAsync(new ResultCreateOrderResponse()
{
ClientOrderId = "123"
});
var subject = new Binance(Mock.Of <IWebSocket>(), binanceClient.Object, Mock.Of <ITime>());
subject.Initialize(Assets.BTC, Assets.USDT).Wait();
var result = subject.Sell(new Sample()
{
Value = 0.0001M
}, 0.0005M).Result;
Assert.AreEqual("123", result.Id);
}