setup jest

jest.config.js

@@ -1,31 +1,7 @@
 module.exports = {
-  collectCoverageFrom: [
-    'app/**/*.{js,jsx}',
-    '!app/**/*.test.{js,jsx}',
-    '!app/*/RbGenerated*/*.{js,jsx}',
-    '!app/app.js',
-    '!app/global-styles.js',
-    '!app/*/*/Loadable.{js,jsx}',
-  ],
-  coverageThreshold: {
-    global: {
-      statements: 98,
-      branches: 91,
-      functions: 98,
-      lines: 98,
-    },
-  },
   moduleDirectories: ['node_modules', 'app'],
-  moduleNameMapper: {
-    '.*\\.(css|less|styl|scss|sass)$': '<rootDir>/internals/mocks/cssModule.js',
-    '.*\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$':
-      '<rootDir>/internals/mocks/image.js',
-  },
-  setupFilesAfterEnv: [
-    '<rootDir>/internals/testing/test-bundler.js',
-    'react-testing-library/cleanup-after-each',
-  ],
-  setupFiles: ['raf/polyfill'],
-  testRegex: 'tests/.*\\.test\\.js$',
   snapshotSerializers: [],
+  moduleNameMapper: {
+    '^.+\\.(css|less|scss)$': 'babel-jest',
+  },
 };

package.json

@@ -8,7 +8,7 @@
     "node": ">=8"
   },
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 0",
+    "test": "jest --passWithNoTests --coverage",
     "start": "cross-env NODE_ENV=development webpack-dev-server",
     "build": "webpack --mode=production",
     "format": "prettier --write \"app/**/*.js\"",
@@ -40,8 +40,10 @@
     "@babel/plugin-proposal-class-properties": "^7.8.3",
     "@babel/preset-env": "^7.8.7",
     "@babel/preset-react": "^7.8.3",
+    "@testing-library/react": "^10.0.3",
     "babel-core": "^6.26.3",
     "babel-eslint": "^10.1.0",
+    "babel-jest": "^25.4.0",
     "babel-loader": "^8.0.6",
     "babel-plugin-root-import": "^6.4.1",
     "babel-polyfill": "^6.26.0",
@@ -59,12 +61,14 @@
     "eslint-plugin-react-hooks": "^2.5.0",
     "file-loader": "^5.1.0",
     "husky": "^4.2.3",
+    "jest": "^25.4.0",
     "less": "^3.11.1",
     "less-loader": "^5.0.0",
     "lint-staged": "^10.0.8",
     "node-sass": "^4.13.1",
     "prettier": "^1.19.1",
     "pretty-quick": "^2.0.1",
+    "react-test-renderer": "^16.13.1",
     "sass-loader": "^8.0.2",
     "style-loader": "^1.1.3",
     "webpack": "^4.42.0",