public async void Use()
{
var provider = new ServiceCollection().AddScoped <IService, Service>().BuildServiceProvider();
var builder = new InterceptorChainBuilder(provider);
string value = null;
_intercept = () => value = Guid.NewGuid().ToString();
var interceptorPipeline = builder.Use <FoobarInterceptor>(1, "abc").Build();
await interceptorPipeline(context => Task.CompletedTask)(new FoobarInvocationContext());
Assert.NotNull(value);
}
public async void Use_And_Build()
{
var builder = new InterceptorChainBuilder(new ServiceCollection().BuildServiceProvider());
string value = "";
InterceptorDelegate interceptor1 = next => (async context => { value += "1"; await next(context); });
InterceptorDelegate interceptor2 = next => (async context => { value += "2"; await next(context); });
InterceptorDelegate interceptor3 = next => (context => { value += "3"; return(Task.CompletedTask); });
InterceptorDelegate interceptor4 = next => (async context => { value += "4"; await next(context); });
builder
.Use(interceptor2, 2)
.Use(interceptor4, 4)
.Use(interceptor1, 1)
.Use(interceptor3, 3);
var chain = builder.Build();
await chain(context => Task.CompletedTask)(new FoobarInvocationContext());
Assert.Equal("123", value);
}
public void Use_Arguments_Not_Allow_Null()
{
var builder = new InterceptorChainBuilder(new ServiceCollection().BuildServiceProvider());
Assert.Throws <ArgumentNullException>(() => builder.Use(null, 1));
}