From 1bda78f2fa64210cdfb1d84f0ce0d56be446e3e8 Mon Sep 17 00:00:00 2001
From: Elmer Banda <w3caynews@hotmail.com>
Date: Thu, 21 Sep 2023 10:05:13 -0700
Subject: [PATCH] Add mock removeEventListener and currentState method for
 AppState (#39578)

Summary:
Add mock removeEventListener and currentState method for AppState

When testing the React Native page by Jest, the error TypeError: import_react_native.AppState.removeEventListener is not a function will be reported.

## Changelog:

[General] [ Changed ] - Add mock removeEventListener and currentState method for ```AppState```

Pull Request resolved: https://github.com/facebook/react-native/pull/39578

Test Plan:
Print AppState module output
```
AppState: {
      addEventListener: [Function: mockConstructor] {
        _isMockFunction: true,
        getMockImplementation: [Function (anonymous)],
        mock: [Getter/Setter],
        mockClear: [Function (anonymous)],
        mockReset: [Function (anonymous)],
        mockRestore: [Function (anonymous)],
        mockReturnValueOnce: [Function (anonymous)],
        mockResolvedValueOnce: [Function (anonymous)],
        mockRejectedValueOnce: [Function (anonymous)],
        mockReturnValue: [Function (anonymous)],
        mockResolvedValue: [Function (anonymous)],
        mockRejectedValue: [Function (anonymous)],
        mockImplementationOnce: [Function (anonymous)],
        mockImplementation: [Function (anonymous)],
        mockReturnThis: [Function (anonymous)],
        mockName: [Function (anonymous)],
        getMockName: [Function (anonymous)]
      },
      removeEventListener: [Function: mockConstructor] {
        _isMockFunction: true,
        getMockImplementation: [Function (anonymous)],
        mock: [Getter/Setter],
        mockClear: [Function (anonymous)],
        mockReset: [Function (anonymous)],
        mockRestore: [Function (anonymous)],
        mockReturnValueOnce: [Function (anonymous)],
        mockResolvedValueOnce: [Function (anonymous)],
        mockRejectedValueOnce: [Function (anonymous)],
        mockReturnValue: [Function (anonymous)],
        mockResolvedValue: [Function (anonymous)],
        mockRejectedValue: [Function (anonymous)],
        mockImplementationOnce: [Function (anonymous)],
        mockImplementation: [Function (anonymous)],
        mockReturnThis: [Function (anonymous)],
        mockName: [Function (anonymous)],
        getMockName: [Function (anonymous)]
      },
      currentState: [Function: mockConstructor] {
        _isMockFunction: true,
        getMockImplementation: [Function (anonymous)],
        mock: [Getter/Setter],
        mockClear: [Function (anonymous)],
        mockReset: [Function (anonymous)],
        mockRestore: [Function (anonymous)],
        mockReturnValueOnce: [Function (anonymous)],
        mockResolvedValueOnce: [Function (anonymous)],
        mockRejectedValueOnce: [Function (anonymous)],
        mockReturnValue: [Function (anonymous)],
        mockResolvedValue: [Function (anonymous)],
        mockRejectedValue: [Function (anonymous)],
        mockImplementationOnce: [Function (anonymous)],
        mockImplementation: [Function (anonymous)],
        mockReturnThis: [Function (anonymous)],
        mockName: [Function (anonymous)],
        getMockName: [Function (anonymous)]
      }
    }
```

Reviewed By: yungsters

Differential Revision: D49504249

Pulled By: robhogan

fbshipit-source-id: c0528ca9da4711f4c39bd2db29bcd34e77c6d4d2
---
 packages/react-native/jest/setup.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/react-native/jest/setup.js b/packages/react-native/jest/setup.js
index c542ef38f8b..e98550f23fc 100644
--- a/packages/react-native/jest/setup.js
+++ b/packages/react-native/jest/setup.js
@@ -198,6 +198,8 @@ jest
     addEventListener: jest.fn(() => ({
       remove: jest.fn(),
     })),
+    removeEventListener: jest.fn(),
+    currentState: jest.fn(),
   }))
   .mock('../Libraries/Linking/Linking', () => ({
     openURL: jest.fn(),