public async Task ExecutesStartupTasks()
{
var startupTaskExecutor = Substitute.For <IStartupTaskExecutor>();
var backgroundServiceHost = Substitute.For <IBackgroundServiceHost>();
var adapter = new MicrosoftHostingAdapter(startupTaskExecutor, backgroundServiceHost);
await adapter.StartAsync(CancellationToken.None);
await startupTaskExecutor.Received(1)
.ExecuteAsync(Arg.Any <CancellationToken>());
}
public async Task DoesNotStartupBackgroundServicesWhenStartupTaskThrows()
{
var startupTaskExecutor = Substitute.For <IStartupTaskExecutor>();
startupTaskExecutor.ExecuteAsync(Arg.Any <CancellationToken>())
.Throws(new InvalidOperationException());
var backgroundServiceHost = Substitute.For <IBackgroundServiceHost>();
var adapter = new MicrosoftHostingAdapter(startupTaskExecutor, backgroundServiceHost);
try
{
await adapter.StartAsync(CancellationToken.None);
}
catch
{
// ignored
}
await backgroundServiceHost.DidNotReceive()
.StartAsync(Arg.Any <CancellationToken>());
}