private static IKernel CreateKernel(
string defaultKernelName,
FrontendEnvironment frontendEnvironment,
StartupOptions startupOptions,
HttpProbingSettings httpProbingSettings)
{
var compositeKernel = new CompositeKernel();
compositeKernel.FrontendEnvironment = frontendEnvironment;
compositeKernel.Add(
new CSharpKernel()
.UseDefaultFormatting()
.UseNugetDirective()
.UseKernelHelpers()
.UseJupyterHelpers()
.UseWho()
.UseXplot()
.UseMathAndLaTeX());
compositeKernel.Add(
new FSharpKernel()
.UseDefaultFormatting()
.UseNugetDirective()
.UseKernelHelpers()
.UseWho()
.UseDefaultNamespaces()
.UseXplot()
.UseMathAndLaTeX());
compositeKernel.Add(
new PowerShellKernel()
.UseJupyterHelpers()
.UseXplot(),
new[] { "#!pwsh" });
compositeKernel.Add(
new JavaScriptKernel(),
new[] { "#!js" });
compositeKernel.Add(
new HtmlKernel());
var kernel = compositeKernel
.UseDefaultMagicCommands()
.UseLog()
.UseAbout()
.UseHttpApi(startupOptions, httpProbingSettings);
SetUpFormatters(frontendEnvironment);
kernel.DefaultKernelName = defaultKernelName;
var enableHttp = new SubmitCode("#!enable-http", compositeKernel.Name);
enableHttp.PublishInternalEvents();
compositeKernel.DeferCommand(enableHttp);
return(kernel);
}
public async Task Deferred_commands_on_composite_kernel_are_execute_on_first_submission()
{
var deferredCommandExecuted = false;
var subKernel = new CSharpKernel();
using var compositeKernel = new CompositeKernel
{
subKernel
};
compositeKernel.DefaultKernelName = subKernel.Name;
var deferred = new SubmitCode("placeholder")
{
Handler = (command, context) =>
{
deferredCommandExecuted = true;
return(Task.CompletedTask);
}
};
compositeKernel.DeferCommand(deferred);
var events = compositeKernel.KernelEvents.ToSubscribedList();
await compositeKernel.SendAsync(new SubmitCode("var x = 1;", targetKernelName : subKernel.Name));
deferredCommandExecuted.Should().Be(true);
events
.Select(e => e.GetType())
.Should()
.ContainInOrder(
typeof(CodeSubmissionReceived),
typeof(CompleteCodeSubmissionReceived),
typeof(CommandHandled));
}
public async Task Deferred_commands_on_composite_kernel_can_use_directives()
{
var deferredCommandExecuted = false;
var subKernel = new CSharpKernel();
using var compositeKernel = new CompositeKernel
{
subKernel
};
var customDirective = new Command("#!customDirective")
{
Handler = CommandHandler.Create(() => { deferredCommandExecuted = true; })
};
compositeKernel.AddDirective(customDirective);
compositeKernel.DefaultKernelName = subKernel.Name;
var deferred = new SubmitCode("#!customDirective");
compositeKernel.DeferCommand(deferred);
var events = compositeKernel.KernelEvents.ToSubscribedList();
await compositeKernel.SendAsync(new SubmitCode("var x = 1;", targetKernelName : subKernel.Name));
deferredCommandExecuted.Should().Be(true);
events
.Select(e => e.GetType())
.Should()
.ContainInOrder(
typeof(CodeSubmissionReceived),
typeof(CompleteCodeSubmissionReceived),
typeof(CommandSucceeded));
}
protected void DeferCommand(IKernelCommand command)
{
_compositeKernel.DeferCommand(command);
}
