public async Task when_a_KernelCommand_is_sent_it_writes_a_KernelCommandEnvelope()
{
var kernelCommand = new SubmitCode("x=1");
var buffer = new StringBuilder();
var sender = new KernelCommandAndEventTextStreamSender(new StringWriter(buffer));
await sender.SendAsync(kernelCommand, CancellationToken.None);
var envelopeMessage = buffer.ToString();
envelopeMessage.Should()
.BeEquivalentTo(KernelCommandEnvelope.Serialize(KernelCommandEnvelope.Create(kernelCommand)) + KernelCommandAndEventTextStreamSender.Delimiter);
}
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);
}
