public async Task UseSpa_KillsAngularCli_WhenAppIsStopped()
{
var serviceProvider = GetServiceProvider(s => s.RootPath = "/");
var applicationbuilder = new ApplicationBuilder(serviceProvider);
var applicationLifetime = serviceProvider.GetRequiredService<IHostApplicationLifetime>();
var diagnosticListener = serviceProvider.GetRequiredService<DiagnosticListener>();
var listener = new NpmStartedDiagnosticListener();
diagnosticListener.SubscribeWithAdapter(listener);
applicationbuilder.UseSpa(b =>
{
b.Options.SourcePath = Directory.GetCurrentDirectory();
b.UseAngularCliServer(GetPlatformSpecificWaitCommand());
});
await Assert_NpmKilled_WhenAppIsStopped(applicationLifetime, listener);
}
private async Task Assert_NpmKilled_WhenAppIsStopped(IHostApplicationLifetime applicationLifetime, NpmStartedDiagnosticListener listener)
{
// Give node a moment to start up
await Task.WhenAny(listener.NpmStarted, Task.Delay(TimeSpan.FromSeconds(45)));
Process npmProcess = null;
var npmExitEvent = new ManualResetEventSlim();
if (listener.NpmStarted.IsCompleted)
{
npmProcess = listener.NpmStarted.Result.Process;
Assert.False(npmProcess.HasExited);
npmProcess.Exited += (_, __) => npmExitEvent.Set();
}
// Act
applicationLifetime.StopApplication();
// Assert
AssertNoErrors();
Assert.True(listener.NpmStarted.IsCompleted, "npm wasn't launched");
npmExitEvent.Wait(TimeSpan.FromSeconds(45));
Assert.True(npmProcess.HasExited, "npm wasn't killed");
}
