KIFとNLTHTTPStubServerを利用して最低限のIntegrationTestを実現する ref: http://qiita.com/okitsutakatomo@github/items/c06c1450f1697382e802

file1.sh

> pod install
Analyzing dependencies

CocoaPods 0.26.2 is available.

Downloading dependencies
Installing CocoaAsyncSocket (7.3.2)
Installing CocoaHTTPServer (2.3)
Installing CocoaLumberjack (1.6.2)
Installing KIF (2.0.0)
Installing NLTHTTPStubServer (0.4.0)
Generating Pods project
Integrating client project

[!] From now on use `KIFPractice.xcworkspace`.

file2.txt

> open KIFSample.xcworkspace

GoToNextTests.h

#import "KIFTestCase.h"
#import <KIF/KIF.h>

@interface GoToNextTests : KIFTestCase

@end

GoToNextTests.m

@implementation GoToNextTests
{
    NLTHTTPStubServer *server;
}


//クラス実行前(setup）
- (void) beforeAll {
    // make instance
    server = [NLTHTTPStubServer sharedServer];

    //set stub api
    NSDictionary *jsonDict = @{@"status" : @"success"};
    [[[server stub] forPath:@"/api"] andJSONResponse:[NSJSONSerialization dataWithJSONObject:jsonDict options:NSJSONWritingPrettyPrinted error:nil]];
}

Podfile

platform :ios, '7.0'

target :KIFPracticeTests, :exclusive => true do
    pod 'KIF', '~> 2.0'
    pod 'NLTHTTPStubServer'
end

ViewController2

#import "ViewController2.h"

@interface ViewController2 ()

@property (nonatomic, strong) IBOutlet UILabel *status;

@end

@implementation ViewController2

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view.
}

- (IBAction)didSelectConnect:(id)sender
{
    NSURL *api = [NSURL URLWithString:@"http://localhost:12345/api"];
    [NSURLConnection sendAsynchronousRequest:[NSURLRequest requestWithURL:api]
                                       queue:[[NSOperationQueue alloc] init]
                           completionHandler:^(NSURLResponse *res, NSData *data, NSError *err) {
                               NSDictionary *jsonDict = [NSJSONSerialization JSONObjectWithData:data options:nil error:nil];
                               NSString *status = [jsonDict objectForKey:@"status"];
                               NSAssert([status isEqualToString:@"success"], @"status invalid");
                           }];
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end