public async Task Middleware_can_be_used_to_emit_events_after_the_command_has_been_handled()
{
using var kernel = new CompositeKernel
{
new CSharpKernel()
};
using var kernelEvents = kernel.KernelEvents.ToSubscribedList();
kernel.AddMiddleware(async(command, context, next) =>
{
context.Publish(new DisplayedValueProduced(1, command));
await next(command, context);
context.Publish(new DisplayedValueProduced(3, command));
});
var result = await kernel.SendAsync(new SubmitCode("2"));
var events = new List <KernelEvent>();
result.KernelEvents.Subscribe(e => events.Add(e));
var values = events.OfType <DisplayEvent>()
.Where(x => x is ReturnValueProduced || x is DisplayedValueProduced)
.Select(v => v.Value);
values
.Should()
.BeEquivalentSequenceTo(1, 2, 3);
}
public async Task When_a_command_spawns_another_command_then_parent_context_is_not_complete_until_child_context_is_complete()
{
using var kernel = new CompositeKernel
{
new CSharpKernel()
};
using var kernelEvents = kernel.KernelEvents.ToSubscribedList();
kernel.AddMiddleware(async(command, context, next) =>
{
context.Publish(new DisplayedValueProduced(1, command));
await next(command, context);
context.Publish(new DisplayedValueProduced(3, command));
});
var result = await kernel.SendAsync(new SubmitCode("2"));
var events = new List <IKernelEvent>();
result.KernelEvents.Subscribe(e => events.Add(e));
var values = events.OfType <DisplayEventBase>()
.Select(v => v.Value);
values
.Should()
.BeEquivalentSequenceTo(1, 2, 3);
}
public async Task can_provide_access_to_fronted_capabilities()
{
var cSharpKernel = new CSharpKernel();
using var kernel = new CompositeKernel
{
cSharpKernel
};
kernel.UseFrontedEnvironment(_ => new TestFrontendEnvironment());
using var kernelEvents = kernel.KernelEvents.ToSubscribedList();
FrontendEnvironmentBase frontendEnvironment = null;
kernel.AddMiddleware(async(command, context, next) =>
{
frontendEnvironment = context.FrontendEnvironment;
await next(command, context);
});
await kernel.SendAsync(new SubmitCode("2"));
frontendEnvironment
.Should()
.BeOfType <TestFrontendEnvironment>();
}