jest mock and RN 0.76.1: TypeError: NativeModule.getConstants is not a function

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Description

    TypeError: NativeModule.getConstants is not a function


    >  9 | import mockSafeAreaContext from 'react-native-safe-area-context/jest/mock';
         | ^


      at Object.getConstants (node_modules/react-native/src/private/specs/modules/NativeDeviceInfo.js:52:32)
      at Object.getConstants (node_modules/react-native/Libraries/Utilities/Dimensions.js:121:33)
      at Object.require (node_modules/react-native/Libraries/Utilities/PixelRatio.js:13:20)
      at Object.require (node_modules/react-native/Libraries/StyleSheet/StyleSheet.js:29:20)
      at Object.require [as StyleSheet] (node_modules/react-native/index.js:306:12)
      at Object.StyleSheet (node_modules/react-native-safe-area-context/lib/commonjs/SafeAreaContext.js:77:29)
      at Object.require (node_modules/react-native-safe-area-context/lib/commonjs/index.js:7:24)
      at Object.requireActual (node_modules/react-native-safe-area-context/jest/mock.tsx:25:32)
      at Object.require (jest.setup.js:9:1)

Contributor guide

Research direction

Investigate the changes in React Native 0.76.1 that affect NativeDeviceInfo. Ensure that the jest mock in react native safe area context correctly overrides the native module by updating the mock to include getConstants or by using jest.mock to mock NativeDeviceInfo.

Tech stack

typescriptreactjest

Domain

mobile devtesting

Issue type

Bug

DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.

3

Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.

Half day

Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.

Active

ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.

Clear

Prerequisites

React NativeJestMocking

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

65