chore: updated jest setup and jest config

Author: hmarques98

template/.eslintrc.js

@@ -34,6 +34,7 @@ module.exports = {
     '@typescript-eslint/no-unused-vars': ['warn', { argsIgnorePattern: '^_' }],
     '@typescript-eslint/explicit-module-boundary-types': 0,
     'react/display-name': 0,
+    'jest/expect-expect': 0,
   },
   settings: {
     react: {

template/jest.config.js

@@ -2,4 +2,15 @@ module.exports = {
   preset: 'react-native',
   testEnvironment: 'node',
   setupFilesAfterEnv: ['./jest.setup'],
+  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
+  transformIgnorePatterns: [
+    'node_modules/(?!(@react-native|react-native|react-native-vector-icons|react-native-iphone-x-helper|react-native-flipper|@react-native-community|@react-navigation|.|react-navigation|react-native-animatable)/)',
+  ],
+  moduleNameMapper: {
+    '.+\\.(css|styl|less|sass|scss|png|jpg|ttf|woff|woff2)$':
+      'jest-transform-stub',
+    '\\.(css|less)$': 'identity-obj-proxy',
+    '^styled-components$': '<rootDir>/node_modules/styled-components',
+  },
+  setupFiles: ['./node_modules/react-native-gesture-handler/jestSetup.js'],
 };

template/jest.setup.js

@@ -2,12 +2,20 @@ import '@testing-library/jest-native/extend-expect';
 
 import mockRNCNetInfo from '@react-native-community/netinfo/jest/netinfo-mock.js';
 import mockAsyncStorage from '@react-native-async-storage/async-storage/jest/async-storage-mock';
-
+import 'jest-styled-components';
+import * as styledSystem from 'styled-system';
 import { jest } from '@jest/globals';
 
+jest.useFakeTimers();
+
 jest.mock('@react-native-community/netinfo', () => mockRNCNetInfo);
 jest.mock('@react-native-async-storage/async-storage', () => mockAsyncStorage);
 
+jest.doMock('styled-system');
+jest.doMock('react-native-animatable');
+
+styledSystem.theme = jest.fn().mockImplementation((k) => k); //
+
 jest.doMock('@sentry/react-native', () => ({
   init: jest.fn(),
 }));

template/jest.sh

@@ -11,5 +11,5 @@ else
 fi
 
 echo "Executing jest tests... with $WORKERS workers"
-npx jest --maxWorkers=$WORKERS;
+npx jest --maxWorkers=$WORKERS --watch;
 exit