https://github.com/remirobert/rroloadswizzle

Method swizzling, change the implementation of an existing selector.
https://github.com/remirobert/rroloadswizzle

objective-c swizzle unittest

Last synced: about 2 months ago
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Method swizzling, change the implementation of an existing selector.

• Host: GitHub
• URL: https://github.com/remirobert/rroloadswizzle
• Owner: remirobert
• License: mit
• Created: 2019-04-19T10:16:29.000Z (over 5 years ago)
• Default Branch: master
• Last Pushed: 2019-04-20T08:46:24.000Z (over 5 years ago)
• Last Synced: 2024-10-11T21:05:46.748Z (3 months ago)
• Topics: objective-c, swizzle, unittest
• Language: Objective-C
• Homepage:
• Size: 39.1 KB
• Stars: 6
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# RROLoadSwizzle

![buid status](https://app.bitrise.io/app/14d90a9dfd5ce2e8/status.svg?token=uQY671hjdyKtODwsl18vfA) [![codecov](https://codecov.io/gh/remirobert/RROLoadSwizzle/branch/master/graph/badge.svg)](https://codecov.io/gh/remirobert/RROLoadSwizzle)

Used to assist in unit testing.

Check **Tests** for usage.

```Objective-c

//A function which is the implementation of original method. 

//The function must take at least two arguments—self and _cmd.

void (*gOriginalViewDidLoad)(id, SEL);

- (void)tearDown {

    RRO_REVERT_SWIZZLE_ALL_METHOD([UIViewController class]);

}

- (void)testThatViewDidLoadIsCalledWhenShowWindow {

  __block BOOL isViewDidLoadCalled = NO;

  

  void (^viewDidLoadBlock)(UIViewController *, SEL) = ^void (UIViewController *nav, SEL _cmd) {

    isViewDidLoadCalled = true;

    NSLog(@"viewDidLoad called here");

    //call original @selector(viewDidLoad) if needed

    gOriginalViewDidLoad(nav, _cmd); 

  };

  

  RRO_SWIZZLE_BLOCK([UIViewController class], @selector(viewDidLoad), viewDidLoadBlock, &gOriginalViewDidLoad);

  

  UIWindow *window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];

  window.rootViewController = [[UIViewController alloc] init];

  [window makeKeyAndVisible];

  

  XCTAssertTrue(isViewDidLoadCalled);

}

```