1 files changed, 66 insertions, 0 deletions
diff --git a/ios/appTests/appTests.m b/ios/appTests/appTests.m
new file mode 100644
index 000000000..bc0d3a085
--- /dev/null
+++ b/ios/appTests/appTests.m
@@ -0,0 +1,66 @@
+#import <UIKit/UIKit.h>
+#import <XCTest/XCTest.h>
+
+#import <React/RCTLog.h>
+#import <React/RCTRootView.h>
+
+#define TIMEOUT_SECONDS 600
+#define TEXT_TO_LOOK_FOR @"Welcome to React"
+
+@interface appTests : XCTestCase
+
+@end
+
+@implementation appTests
+
+- (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