public void SubscribeCandlesticks(string symbol, Interface.Model.CandlestickInterval candlestickInterval, int limit, Action <CandlestickEventArgs> callback, Action <Exception> exception, CancellationToken cancellationToken)
{
try
{
var interval = candlestickInterval.ToBinanceCandlestickInterval();
var canclestickCache = new CandlestickCache(binanceApi, new CandlestickWebSocketClient());
canclestickCache.Subscribe(symbol, interval, limit, e =>
{
if (cancellationToken.IsCancellationRequested)
{
canclestickCache.Unsubscribe();
return;
}
try
{
var candlesticks = (from c in e.Candlesticks select NewCandlestick(c)).ToList();
callback.Invoke(new CandlestickEventArgs {
Candlesticks = candlesticks
});
}
catch (Exception ex)
{
canclestickCache.Unsubscribe();
exception.Invoke(ex);
}
});
}
catch (Exception ex)
{
exception.Invoke(ex);
}
}
public void SubscribeThrows()
{
var api = new Mock <IBinanceApi>().Object;
var client = new Mock <ICandlestickWebSocketClient>().Object;
var cache = new CandlestickCache(api, client);
Assert.Throws <ArgumentNullException>("symbol", () => cache.Subscribe(null, CandlestickInterval.Day));
}
public void Unsubscribe()
{
var api = new Mock <IBinanceApi>().Object;
var client = new Mock <ICandlestickClient>().Object;
var cache = new CandlestickCache(api, client);
// Can call unsubscribe before subscribe or multiple times without fail.
cache.Unsubscribe();
cache.Unsubscribe();
}
public async Task SubscribeThrows()
{
var api = new Mock <IBinanceApi>().Object;
var client = new Mock <ICandlestickWebSocketClient>().Object;
var cache = new CandlestickCache(api, client);
await Assert.ThrowsAsync <ArgumentNullException>("symbol", () => cache.SubscribeAsync(null, CandlestickInterval.Day, new CancellationToken()));
await Assert.ThrowsAsync <ArgumentException>("token", () => cache.SubscribeAsync(Symbol.BTC_USDT, CandlestickInterval.Day, CancellationToken.None));
}
public async Task StreamThrows()
{
var api = new Mock <IBinanceApi>().Object;
var client = new Mock <ICandlestickWebSocketClient>().Object;
var cache = new CandlestickCache(api, client);
using (var cts = new CancellationTokenSource())
{
await Assert.ThrowsAsync <ArgumentNullException>("symbol", () => cache.SubscribeAndStreamAsync(null, CandlestickInterval.Day, cts.Token));
}
}
public void SubscribeThrows()
{
var symbol = Symbol.BTC_USDT;
var interval = CandlestickInterval.Day;
var api = new Mock <IBinanceApi>().Object;
var client = new Mock <ICandlestickClient>().Object;
var cache = new CandlestickCache(api, client);
Assert.Throws <ArgumentNullException>("symbol", () => cache.Subscribe(null, CandlestickInterval.Day));
Assert.Throws <ArgumentNullException>("symbol", () => cache.Subscribe(string.Empty, CandlestickInterval.Day));
cache.Subscribe(symbol, interval);
Assert.Throws <InvalidOperationException>(() => cache.Subscribe(symbol, interval));
}
public void LinkToClient()
{
var api = new Mock <IBinanceApi>().Object;
var client1 = new Mock <ICandlestickClient>().Object;
var client2 = new CandlestickClient();
var symbol1 = Symbol.BTC_USDT;
var symbol2 = Symbol.LTC_BTC;
var interval = CandlestickInterval.Hour;
client2.Subscribe(symbol1, interval);
var clientSubscribeStreams = client2.SubscribedStreams.ToArray();
Assert.Equal(CandlestickClient.GetStreamName(symbol1, interval), clientSubscribeStreams.Single());
var cache = new CandlestickCache(api, client1)
{
Client = client2 // link client.
};
// Client subscribed streams are unchanged after link to unsubscribed cache.
Assert.Equal(clientSubscribeStreams, client2.SubscribedStreams);
cache.Client = client1; // unlink client.
// Subscribe cache to symbol.
cache.Subscribe(symbol2, interval);
// Cache is subscribed to symbol.
Assert.Equal(CandlestickClient.GetStreamName(symbol2, interval), cache.SubscribedStreams.Single());
cache.Client = client2; // link to client.
// Client has second subscribed stream from cache.
Assert.True(client2.SubscribedStreams.Count() == 2);
Assert.Contains(CandlestickClient.GetStreamName(symbol2, interval), client2.SubscribedStreams);
}
public Task SubscribeCandlesticks(string symbol, Core.Model.CandlestickInterval candlestickInterval, int limit, Action <CandlestickEventArgs> callback, Action <Exception> exception, CancellationToken cancellationToken)
{
var tcs = new TaskCompletionSource <object>();
var binanceApi = new BinanceApi();
var interval = candlestickInterval.ToBinanceCandlestickInterval();
var candlestickCache = new CandlestickCache(binanceApi, new CandlestickWebSocketClient());
candlestickCache.Subscribe(symbol, interval, limit, e =>
{
if (cancellationToken.IsCancellationRequested)
{
candlestickCache.Unsubscribe();
return;
}
var candlesticks = (from c in e.Candlesticks select NewCandlestick(c)).ToList();
try
{
callback.Invoke(new CandlestickEventArgs {
Candlesticks = candlesticks
});
}
catch (Exception ex)
{
candlestickCache.Unsubscribe();
exception.Invoke(ex);
return;
}
});
tcs.SetResult(null);
return(tcs.Task);
}
