public async void FlushAsync_ShouldNotCallSendAsyncWhenTheBufferIsEmpty()
{
var sender = new TestingSender
{
SendAsyncDelegate = Substitute.For <Func <List <JaegerSpan>, CancellationToken, Task <int> > >()
};
var process = new JaegerProcess("testingService");
var cts = new CancellationTokenSource();
var token = cts.Token;
var sent = await sender.FlushAsync(process, token);
Assert.Equal(0, sent);
Assert.Empty(sender.Buffer);
await sender.SendAsyncDelegate.Received(0)(Arg.Any <List <JaegerSpan> >(), Arg.Any <CancellationToken>());
}
public async void FlushAsync_ShouldCallSendAsyncAndReturnCountOfSpansSent()
{
var sender = new TestingSender
{
SendAsyncDelegate = Substitute.For <Func <List <JaegerSpan>, CancellationToken, Task <int> > >()
};
var item = new JaegerSpan();
var process = new JaegerProcess("testingService");
var cts = new CancellationTokenSource();
var token = cts.Token;
sender.BufferItem(item);
sender.BufferItem(item);
sender.BufferItem(item);
sender.BufferItem(item);
sender.SendAsyncDelegate(Arg.Is <List <JaegerSpan> >(js => js.Count == 4), Arg.Is(token)).Returns(4);
var sent = await sender.FlushAsync(process, token);
Assert.Equal(4, sent);
Assert.Empty(sender.Buffer);
await sender.SendAsyncDelegate.Received(1)(Arg.Is <List <JaegerSpan> >(js => js.Count == 4), Arg.Is(token));
}
public async void FlushAsync_ShouldThrowWhenProcessIsNull()
{
var sender = new TestingSender();
await Assert.ThrowsAsync <ArgumentNullException>(() => sender.FlushAsync(null, CancellationToken.None));
}