#import #import #import #import #define TIMEOUT_SECONDS 600 #define TEXT_TO_LOOK_FOR @"Welcome to React" @interface massiveTests : XCTestCase @end @implementation massiveTests - (BOOL)findSubviewInView:(UIView *)view matching:(BOOL (^)(UIView *view))test { if (test(view)) { return YES; } for (UIView *subview in [view subviews]) { if ([self findSubviewInView:subview matching:test]) { return YES; } } return NO; } - (void)testRendersWelcomeScreen { UIViewController *vc = [[[RCTSharedApplication() delegate] window] rootViewController]; NSDate *date = [NSDate dateWithTimeIntervalSinceNow:TIMEOUT_SECONDS]; BOOL foundElement = NO; __block NSString *redboxError = nil; #ifdef DEBUG RCTSetLogFunction( ^(RCTLogLevel level, RCTLogSource source, NSString *fileName, NSNumber *lineNumber, NSString *message) { if (level >= RCTLogLevelError) { redboxError = message; } }); #endif while ([date timeIntervalSinceNow] > 0 && !foundElement && !redboxError) { [[NSRunLoop mainRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]]; [[NSRunLoop mainRunLoop] runMode:NSRunLoopCommonModes beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]]; foundElement = [self findSubviewInView:vc.view matching:^BOOL(UIView *view) { if ([view.accessibilityLabel isEqualToString:TEXT_TO_LOOK_FOR]) { return YES; } return NO; }]; } #ifdef DEBUG RCTSetLogFunction(RCTDefaultLogFunction); #endif XCTAssertNil(redboxError, @"RedBox error: %@", redboxError); XCTAssertTrue(foundElement, @"Couldn't find element with text '%@' in %d seconds", TEXT_TO_LOOK_FOR, TIMEOUT_SECONDS); } @end