realm-js/examples/ReactExample/ReactExampleTests/ReactExampleTests.m

66 lines
1.9 KiB
Objective-C

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import <UIKit/UIKit.h>
#import <XCTest/XCTest.h>
#import "RCTAssert.h"
#import "RCTRedBox.h"
#import "RCTRootView.h"
#define TIMEOUT_SECONDS 240
#define TEXT_TO_LOOK_FOR @"Welcome to React Native!"
@interface ReactExampleTests : XCTestCase
@end
@implementation ReactExampleTests
- (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 = [[[[UIApplication sharedApplication] delegate] window] rootViewController];
NSDate *date = [NSDate dateWithTimeIntervalSinceNow:TIMEOUT_SECONDS];
BOOL foundElement = NO;
NSString *redboxError = nil;
while ([date timeIntervalSinceNow] > 0 && !foundElement && !redboxError) {
[[NSRunLoop mainRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]];
[[NSRunLoop mainRunLoop] runMode:NSRunLoopCommonModes beforeDate:[NSDate dateWithTimeIntervalSinceNow:0.1]];
redboxError = [[RCTRedBox sharedInstance] currentErrorMessage];
foundElement = [self findSubviewInView:vc.view matching:^BOOL(UIView *view) {
if ([view.accessibilityLabel isEqualToString:TEXT_TO_LOOK_FOR]) {
return YES;
}
return NO;
}];
}
XCTAssertNil(redboxError, @"RedBox error: %@", redboxError);
XCTAssertTrue(foundElement, @"Couldn't find element with text '%@' in %d seconds", TEXT_TO_LOOK_FOR, TIMEOUT_SECONDS);
}
@end