public async Task ThrowIfZeroAmountOrder()
{
var context = Helpers.GetMockContext();
var stateManager = new MockReliableStateManager();
var service = new OrderBook(context, stateManager);
var ask = new Order("user1", CurrencyPair.GBPUSD, 0, 30);
await Assert.ThrowsAsync <InvalidOrderException>(() => service.AddAskAsync(ask));
}
public async Task RemoveOrdersOverTTL_ExpectNoOrdersAfterRun()
{
var context = Helpers.GetMockContext();
var stateManager = new MockReliableStateManager();
var ask = new Order("user1", "buyer", CurrencyPair.GBPUSD, 100, 30, DateTime.UtcNow.AddMinutes(-6));
var bid = new Order("user2", "seller", CurrencyPair.GBPUSD, 100, 30, DateTime.UtcNow.AddMinutes(-6));
var service = new OrderBook(context, stateManager, ask, bid);
try
{
await service.AddAskAsync(ask);
await service.AddBidAsync(bid);
}
catch (NotImplementedException)
{
// Expected, see line 13.
}
var cancellationToken = new CancellationTokenSource();
Task cancelLoop = Task.Run(async() =>
{
await Task.Delay(8000);
cancellationToken.Cancel();
});
Task loop = Task.Run(async() =>
{
try
{
await service.InvokeRunAsync(cancellationToken.Token);
}
catch { }
});
await Task.WhenAll(loop, cancelLoop);
await Task.Delay(1000);
var asks = await service.CountAskAsync();
Assert.Equal(0, asks);
var bids = await service.CountBidAsync();
Assert.Equal(0, bids);
}
public async Task AddAskToFullDictionary_ExpectMaxOrderExceededException()
{
var stateManager = new MockReliableStateManager();
var context = Helpers.GetMockContext();
var service = new OrderBook(context, stateManager);
await Assert.ThrowsAsync <MaxOrdersExceededException>(async() =>
{
try
{
for (int i = 0; i < 5000; i++)
{
var ask = new Order("buyer", CurrencyPair.GBPUSD, 100, 30);
await service.AddAskAsync(ask);
}
}
catch (NotImplementedException)
{
// Expected, see line 13.
}
});
}
public async Task AddValidAskToDictionary()
{
var stateManager = new MockReliableStateManager();
var context = Helpers.GetMockContext();
var service = new OrderBook(context, stateManager);
var ask = new Order("user1", "buyer", CurrencyPair.GBPUSD, 100, 30);
try
{
await service.AddAskAsync(ask);
}
catch (NotImplementedException)
{
// Expected, see line 13.
}
var dictionary = await stateManager.TryGetAsync <IReliableDictionary <string, Order> >(OrderBook.AskBookName);
var actual = (await dictionary.Value.TryGetValueAsync(new MockTransaction(stateManager, 1), ask.Id)).Value;
Assert.Equal(actual, ask);
}