public async Task when_a_KernelCommandEnvelope_is_received_it_reads_the_command()
{
var kernelCommand = new SubmitCode("x=1");
var message = KernelCommandEnvelope.Serialize(KernelCommandEnvelope.Create(kernelCommand));
using var stringReader = new StringReader(message);
var receiver = new KernelCommandAndEventTextReceiver(stringReader);
var d = await receiver.CommandsAndEventsAsync(CancellationToken.None).FirstAsync();
d.Command.Should().BeEquivalentTo(kernelCommand);
}
public async Task when_a_KernelEventEnvelope_is_received_it_publishes_the_event()
{
var kernelEvent = new CommandSucceeded(new SubmitCode("x=1"));
var message = KernelEventEnvelope.Serialize(KernelEventEnvelope.Create(kernelEvent));
using var stringReader = new StringReader(message);
var receiver = new KernelCommandAndEventTextReceiver(stringReader);
var d = await receiver.CommandsOrEventsAsync(CancellationToken.None).FirstAsync();
d.Event.Should().BeEquivalentTo(kernelEvent);
}
public async Task when_invalid_json_is_received_it_produces_DiagnosticLogEntryProduced()
{
var invalidJson = " { hello";
using var stringReader = new StringReader(invalidJson);
var receiver = new KernelCommandAndEventTextReceiver(stringReader);
var d = await receiver.CommandsAndEventsAsync(CancellationToken.None).FirstAsync();
d.Event.Should().BeOfType <DiagnosticLogEntryProduced>()
.Which
.Message
.Should()
.Contain(invalidJson);;
}
private async Task <Kernel> CreateProxyKernel(Language language)
{
var psi = new ProcessStartInfo
{
FileName = "dotnet-interactive",
Arguments = $"stdio --default-kernel {language.LanguageName()}",
WorkingDirectory = Directory.GetCurrentDirectory(),
RedirectStandardInput = true,
RedirectStandardOutput = true,
UseShellExecute = false,
};
var process = new Process {
StartInfo = psi
};
TaskCompletionSource <bool> ready = new();
process.Start();
var receiver = new KernelCommandAndEventTextReceiver(process.StandardOutput);
var sender = new KernelCommandAndEventTextStreamSender(process.StandardInput);
var kernel = new ProxyKernel("proxy", receiver, sender);
kernel.RegisterForDisposal(() =>
{
process.Kill(true);
process.Dispose();
});
var _ = kernel.RunAsync();
var sub = kernel.KernelEvents.OfType <KernelReady>().Subscribe(_ =>
{
ready.SetResult(true);
});
await ready.Task;
sub.Dispose();
return(kernel);
}