AFNetworking + OHHTTP Issues

gistfile1.m

// APTHttpClient
@implementation APTHttpClient

static APTHttpClient *_sharedClient = nil;
static dispatch_once_t onceToken;

+ (instancetype)sharedInstance
{
  dispatch_once(&onceToken, ^{
    if (!_sharedClient) {
      _sharedClient = [[APTHttpClient alloc] initWithBaseURL:[NSURL URLWithString:APRProductionServer]
                                        sessionConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]];
    }
  });
  
  return _sharedClient;
}

@end


// Test file

@implementation APRHttpClientTests {
  APTHttpClient *_sut;
}

- (void)setUp
{
  [super setUp];
  _sut = [APTHttpClient sharedInstance];
}

- (void)tearDown
{
  [OHHTTPStubs removeAllStubs];
  
  [super tearDown];
}

- (void)testCanMockARequestToTheServer
{
  static const NSTimeInterval kRequestTime = 1.0;
  static const NSTimeInterval kResponseTime = 1.0;
  NSDictionary *expectedResponseDict = @{@"Success" : @"Yes"};
  NSData* expectedResponse = [NSJSONSerialization dataWithJSONObject:expectedResponseDict options:0 error:NULL];
  [OHHTTPStubs stubRequestsPassingTest:^BOOL(NSURLRequest *request) {
    return YES;
  } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
    return [[OHHTTPStubsResponse responseWithData:expectedResponse statusCode:200 headers:@{@"Content-Type" : @"application/json"}]
            requestTime:kRequestTime responseTime:kResponseTime];
  }];
  
  __block __strong id response = nil;
  [_sut GET:@"http://localhost:3333"
           parameters:nil
              success:^(NSURLSessionDataTask *task, id responseObject) {
                NSLog(@"%@",responseObject);
                response = responseObject; // keep strong reference
                [self notifyAsyncOperationDone];
              }
              failure:^(NSURLSessionDataTask *task, NSError *error) {
                XCTFail(@"Unexpected network failure");
                [self notifyAsyncOperationDone];
              }];
  
  [self waitForAsyncOperationWithTimeout:100];
}