// ABOUTME: Jest configuration for Pierre Mobile app testing
// ABOUTME: Uses jest-expo preset with React Native Testing Library
const path = require('path');
// Resolve React to a single instance to prevent dual-instance hooks crash
// in bun workspaces where react can exist in both local and root node_modules
const reactDir = path.dirname(require.resolve('react/package.json'));
module.exports = {
preset: 'jest-expo',
setupFilesAfterEnv: [
'@testing-library/jest-native/extend-expect',
'<rootDir>/jest.setup.js',
],
transformIgnorePatterns: [
'node_modules/(?!((jest-)?react-native|@react-native(-community)?)|expo(nent)?|@expo(nent)?/.*|@expo-google-fonts/.*|react-navigation|@react-navigation/.*|@unimodules/.*|unimodules|sentry-expo|native-base|react-native-svg|@pierre/.*)',
],
moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx'],
testMatch: ['**/__tests__/**/*.(ts|tsx|js)', '**/?(*.)+(spec|test).(ts|tsx|js)'],
testPathIgnorePatterns: ['/node_modules/', '/e2e/', '/integration/'],
collectCoverageFrom: [
'src/**/*.{ts,tsx}',
'!src/**/*.d.ts',
'!src/**/index.ts',
],
coverageThreshold: {
global: {
branches: 0,
functions: 0,
lines: 0,
statements: 0,
},
},
testEnvironment: 'node',
moduleNameMapper: {
'^@/(.*)$': '<rootDir>/src/$1',
'^@pierre/api-client$': '<rootDir>/../packages/api-client/src/index.ts',
'^@pierre/chat-utils$': '<rootDir>/../packages/chat-utils/src/index.ts',
'^@pierre/shared-types$': '<rootDir>/../packages/shared-types/src/index.ts',
// Mock expo virtual modules for packages outside node_modules
'^expo/virtual/(.*)$': '<rootDir>/jest.setup.js',
// Ensure a single React instance across components and test renderer
// Bun workspace hoisting can create duplicate react copies (local + root)
'^react$': path.join(reactDir, 'index.js'),
'^react/(.*)$': path.join(reactDir, '$1'),
},
};
