모달뷰 띄우고 내리는 테스트 케이스: TestCase for presenting and dismissing (Modal)ViewController

gistfile1.m

- (void)setUp {
    [super setUp];
    [RKTestFactory setUp];
    [RKManagedObjectStore setDefaultStore:[RKTestFactory managedObjectStore]];
    appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
    storeCollectionViewController = [(UINavigationController *)appDelegate.window.rootViewController viewControllers][0];
    createStoreViewController = [[UIStoryboard storyboardWithName:@"Main" bundle:nil] instantiateViewControllerWithIdentifier:@"CreateStoreViewController"];
}

- (void)tearDown {
    if (storeCollectionViewController.presentedViewController) [createStoreViewController removeFromParentViewController];
    [RKTestFactory tearDown];
    [super tearDown];
}

- (void)testCancelButton {
    __block XCTestExpectation *presentVCExpection = [self expectationWithDescription:@"CreateStoreViewController가 떠야함"];
    [storeCollectionViewController presentViewController:createStoreViewController animated:NO completion:^{
        XCTAssertFalse(createStoreViewController.isBeingPresented, @"present 끝나야함");
        [presentVCExpection fulfill];
    }];
    XCTAssertTrue(createStoreViewController.isBeingPresented, @"present 중");
    
    [self waitForExpectationsWithTimeout:10 handler:^(NSError *error) {
        XCTAssertNil(error, @"error");
    }];
    
    __block XCTestExpectation *dismissVCExpection = [self expectationWithDescription:@"CreateStoreViewController가 사라져야함"];
    [createStoreViewController dismissViewControllerAnimated:NO completion:^{
        XCTAssertFalse(createStoreViewController.isBeingDismissed, @"dismiss 끝나야함");
        [dismissVCExpection fulfill];
    }];
    XCTAssertTrue(createStoreViewController.isBeingDismissed, @"dismiss 중");
    
    [self waitForExpectationsWithTimeout:10 handler:^(NSError *error) {
        XCTAssertNil(error, @"error");
    }];
    
    XCTAssertNil(storeCollectionViewController.presentedViewController, @"CreateStoreViewcontroller가 내려감");
}