gistfile1.m

// beforeEach/afterEach are Kiwi constructs

beforeEach(^{
        //register as Protocol delegate, the magic begins
        [NSURLProtocol registerClass:[ILCannedURLProtocol class]];
       
        // Default HTTP status code
        [ILCannedURLProtocol setCannedStatusCode:200];

        // Configure ILtesting only for certain verbs if you like
        [ILCannedURLProtocol setSupportedMethods:[[NSArray alloc] initWithObjects:@"GET",@"POST", @"PUT", nil]];
        
        // Default headers. Ill be returning JSON here.
        NSMutableDictionary *headers = [[NSMutableDictionary alloc] init];
        [headers setObject:@"application/json; charset=utf-8" forKey:@"Content-Type"];
        [ILCannedURLProtocol setCannedHeaders: headers];
    });
    
    afterEach(^{
        // We must unregister the class after each test.
        [NSURLProtocol unregisterClass:[ILCannedURLProtocol class]];
    });