Sample GHUnit Asynchronous Test

RemoteDataServiceTest.m

#import <GHUnitIOS/GHUnit.h> 

@interface RemoteDataServiceTest : GHAsyncTestCase { }
@end

@implementation RemoteDataServiceTest

- (BOOL)shouldRunOnMainThread
{
    // By default NO, but if you have a UI test or test dependent on running on the main thread return YES.
    // Also an async test that calls back on the main thread, you'll probably want to return YES.
    return NO;
}
- (void)testAsynchronousOperation
{
    // Call prepare to setup the asynchronous action.
    // This helps in cases where the action is synchronous and the
    // action occurs before the wait is actually called.
    [self prepare];
    
    [RemoteDataService doNiftyStuffRemotelyWithCompletedBlock:^(id result){
        if (!result)
        {
            GHTestLog(@"result from remote service was unexpectedly nil.");
            [self notify:kGHUnitWaitStatusFailure forSelector:_cmd];
            return;
        }
        GHTestLog(@"We got back: %@", result);
        [self notify:kGHUnitWaitStatusSuccess forSelector:_cmd];
    } errorBlock:^(NSError *error){
        GHTestLog(@"Error while doing nifty stuff: %@", [error localizedDescription]);
        [self notify:kGHUnitWaitStatusFailure forSelector:_cmd];
    }];
    
    // Wait until notify called for timeout (seconds); If notify is not called with kGHUnitWaitStatusSuccess then
    // we will throw an error.
    [self waitForStatus:kGHUnitWaitStatusSuccess timeout:30.0];
}