public void Use_Invalid_Handler_Type()
{
var builder = new ExceptionHandlerBuilder(new ServiceCollection().BuildServiceProvider());
Assert.Throws <ArgumentException>(() => builder.Use(typeof(InvalidHandler)));
Assert.Throws <ArgumentException>(() => builder.Use <InvalidHandler>());
}
public async void Use_And_Build()
{
var builder = new ExceptionHandlerBuilder(new ServiceCollection().BuildServiceProvider());
builder.Use(_ => { _flag = ""; return(Task.CompletedTask); });
builder.Use(_ => { _flag += "1"; return(Task.CompletedTask); });
builder.Use(_ => { _flag += "2"; return(Task.CompletedTask); });
builder.Use(_ => { _.Properties.Add("flag", _flag); return(Task.CompletedTask); });
var handler = builder.Build();
var context = new ExceptionContext(new Exception());
await handler(context);
Assert.Equal("12", context.Properties["flag"]);
}