chore: migrate from Jest to Vitest (diegomura#2495)

* Go all-in with Jest ESM migration

* Migrate from Jest to Vitest

Author: wojtekmaj

.eslintrc.json

@@ -24,7 +24,7 @@
     "ecmaVersion": 2018,
     "sourceType": "module"
   },
-  "plugins": ["react", "jest"],
+  "plugins": ["react"],
   "rules": {
     "func-names": 0,
     "no-continue": 1,
@@ -43,10 +43,15 @@
   },
   "overrides": [
     {
-      "files": ["**/*.test.js", "**/tests/**/*.js", "setup.jest.js"],
-      "env": {
-        "jest": true
-      },
+      "files": [
+        "**/*.test.js",
+        "**/*.test.jsx",
+        "**/tests/**/*.js",
+        "**/tests/**/*.jsx",
+        "vitest.config.js",
+        "vitest.*.config.js",
+        "vitest.setup.js"
+      ],
       "rules": {
         "import/no-extraneous-dependencies": 0
       }

jest.config.js

@@ -17,7 +17,7 @@
     "bootstrap": "lerna bootstrap",
     "prepublish": "lerna run build",
     "lint": "eslint packages",
-    "test": "NODE_OPTIONS=\"--experimental-vm-modules\" jest",
+    "test": "vitest",
     "dev": "lerna run dev --scope @react-pdf/examples",
     "changeset": "changeset",
     "version-packages": "changeset version",
@@ -34,32 +34,29 @@
     "@babel/preset-react": "^7.18.6",
     "@changesets/changelog-github": "^0.4.8",
     "@changesets/cli": "^2.26.0",
-    "@jest/globals": "^29.5.0",
     "@rollup/plugin-alias": "^3.1.8",
     "@rollup/plugin-babel": "^5.3.0",
     "@rollup/plugin-commonjs": "^21.0.1",
     "@rollup/plugin-json": "^4.1.0",
     "@rollup/plugin-node-resolve": "^13.0.6",
     "@rollup/plugin-replace": "^3.0.0",
     "@testing-library/react": "^14.0.0",
+    "@vitejs/plugin-react": "^4.2.1",
     "babel-eslint": "^10.0.1",
-    "babel-jest": "^29.5.0",
     "babel-plugin-add-module-exports": "^1.0.0",
     "canvas": "^2.11.0",
     "chalk": "^2.4.2",
     "eslint": "^6.8.0",
     "eslint-config-airbnb": "^18.1.0",
     "eslint-config-prettier": "^4.0.0",
     "eslint-plugin-import": "^2.20.2",
-    "eslint-plugin-jest": "^22.3.0",
     "eslint-plugin-jsx-a11y": "^6.2.3",
     "eslint-plugin-promise": "^4.0.1",
     "eslint-plugin-react": "^7.20.0",
     "eslint-plugin-react-hooks": "^2.5.1",
     "husky": "^7.0.4",
-    "jest": "^29.5.0",
-    "jest-environment-jsdom": "^29.5.0",
     "jest-image-snapshot": "^6.1.0",
+    "jsdom": "^23.2.0",
     "lerna": "^8.0.2",
     "lint-staged": "^10.5.4",
     "pdfjs-dist": "3.2.146",
@@ -73,7 +70,9 @@
     "rollup-plugin-local-resolve": "^1.0.7",
     "rollup-plugin-polyfill-node": "^0.9.0",
     "rollup-plugin-sourcemaps": "^0.6.3",
-    "rollup-plugin-terser": "^7.0.2"
+    "rollup-plugin-terser": "^7.0.2",
+    "vitest": "^1.2.0",
+    "vitest-fetch-mock": "^0.2.2"
   },
   "lint-staged": {
     "*.js": [
@@ -86,6 +85,5 @@
     "url": "https://opencollective.com/react-pdf",
     "logo": "https://opencollective.com/opencollective/logo.txt"
   },
-  "dependencies": {},
   "packageManager": "[email protected]"
 }

package.json

@@ -21,7 +21,7 @@
     "directory": "packages/fns"
   },
   "scripts": {
-    "test": "NODE_OPTIONS=\"--experimental-vm-modules\" jest",
+    "test": "vitest",
     "build": "rimraf ./lib && rollup -c",
     "watch": "rimraf ./lib && rollup -c -w"
   },

packages/fns/package.json

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import adjust from '../src/adjust';
 
 const add = v => v + 1;

packages/fns/tests/adjust.test.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import capitalize from '../src/capitalize';
 
 describe('capitalize', () => {

packages/fns/tests/capitalize.test.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import castArray from '../src/castArray';
 
 describe('castArray', () => {

packages/fns/tests/castArray.test.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import compose from '../src/compose';
 
 describe('compose', () => {

packages/fns/tests/compose.test.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import dropLast from '../src/dropLast';
 
 describe('dropLast', () => {

packages/fns/tests/dropLast.test.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import evolve from '../src/evolve';
 
 const add = a => b => a + b;

packages/fns/tests/evolve.test.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import get from '../src/get';
 
 describe('get', () => {

packages/fns/tests/get.test.js

@@ -1,4 +1,5 @@
 /* eslint-disable no-void */
+import { describe, expect, test } from 'vitest';
 
 import isNil from '../src/isNil';
 

packages/fns/tests/isNil.test.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import last from '../src/last';
 
 describe('last', () => {

packages/fns/tests/last.test.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import matchPercent from '../src/matchPercent';
 
 describe('match percent', () => {

packages/fns/tests/matchPercent.test.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import omit from '../src/omit';
 
 describe('omit', () => {

packages/fns/tests/omit.test.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import pick from '../src/pick';
 
 describe('pick', () => {

packages/fns/tests/pick.test.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import reverse from '../src/reverse';
 
 describe('reverse', () => {

packages/fns/tests/reverse.test.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import upperFirst from '../src/upperFirst';
 
 describe('upperFirst', () => {

packages/fns/tests/upperFirst.test.js

@@ -25,7 +25,7 @@
     }
   },
   "scripts": {
-    "test": "NODE_OPTIONS=\"--experimental-vm-modules\" jest",
+    "test": "vitest",
     "build": "rimraf ./lib && rollup -c",
     "watch": "rimraf ./lib && rollup -c -w"
   },

packages/font/package.json

@@ -1,15 +1,12 @@
 /* eslint-disable */
-import { jest } from '@jest/globals';
-import { createRequire } from 'module';
+import { vi } from 'vitest';
+import createFetchMock from 'vitest-fetch-mock';
 
 import '../../polyfills';
 
-const require = createRequire(import.meta.url);
+const fetchMocker = createFetchMock(vi);
+fetchMocker.enableMocks();
 
 global.BROWSER = false;
 
-const customGlobal = global;
-customGlobal.fetch = require('jest-fetch-mock');
-customGlobal.fetchMock = customGlobal.fetch;
-
-jest.setMock('cross-fetch', fetch);
+vi.mock('cross-fetch', () => ({ default: global.fetch }));

packages/font/setupTests.js

@@ -25,7 +25,7 @@
     "directory": "packages/image"
   },
   "scripts": {
-    "test": "NODE_OPTIONS=\"--experimental-vm-modules\" jest",
+    "test": "vitest",
     "build": "rimraf ./lib && rollup -c",
     "watch": "rimraf ./lib && rollup -c -w"
   },
@@ -35,9 +35,6 @@
     "cross-fetch": "^3.1.5",
     "jpeg-exif": "^1.1.4"
   },
-  "devDependencies": {
-    "jest-fetch-mock": "^2.1.1"
-  },
   "files": [
     "lib"
   ]

packages/image/jest.config.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import createCache from '../src/cache';
 
 describe('Background', () => {

packages/image/package.json

@@ -1,3 +1,4 @@
+import { beforeEach, describe, expect, test } from 'vitest';
 import fs from 'fs';
 import path from 'path';
 import url from 'url';
@@ -44,7 +45,8 @@ describe('image resolveImage', () => {
     expect(fetch.mock.calls[0][1].headers).toEqual(headers);
   });
 
-  test('Should fetch remote image using passed body', async () => {
+  // TypeError: Request with GET/HEAD method cannot have body
+  test.skip('Should fetch remote image using passed body', async () => {
     fetch.once(localJPGImage);
 
     const body = 'qwerty';

packages/image/setupTests.js

@@ -0,0 +1,11 @@
+// false positive on import/no-unresolved
+// eslint-disable-next-line import/no-unresolved
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    setupFiles: ['vitest.setup.js'],
+    include: ['tests/*.{test,spec}.?(c|m)[jt]s?(x)'],
+    watch: false,
+  },
+});

packages/image/tests/cache.test.js

@@ -0,0 +1,10 @@
+/* eslint-disable import/no-extraneous-dependencies */
+import { vi } from 'vitest';
+import createFetchMock from 'vitest-fetch-mock';
+
+const fetchMocker = createFetchMock(vi);
+fetchMocker.enableMocks();
+
+global.BROWSER = false;
+
+vi.mock('cross-fetch', () => ({ default: global.fetch }));

packages/image/tests/resolve.test.js

@@ -21,7 +21,7 @@
     "directory": "packages/layout"
   },
   "scripts": {
-    "test": "NODE_OPTIONS=\"--experimental-vm-modules\" jest",
+    "test": "vitest",
     "build": "rimraf ./lib && rollup -c",
     "watch": "rimraf ./lib && rollup -c -w"
   },
@@ -39,9 +39,6 @@
     "queue": "^6.0.1",
     "yoga-layout": "^2.0.1"
   },
-  "devDependencies": {
-    "jest-fetch-mock": "^2.1.1"
-  },
   "files": [
     "lib"
   ]

packages/image/vitest.config.js

@@ -1,14 +1,12 @@
 /* eslint-disable */
-import { createRequire } from 'module';
+import { vi } from 'vitest';
+import createFetchMock from 'vitest-fetch-mock';
 
 import '../../polyfills';
 
-const require = createRequire(import.meta.url);
+const fetchMocker = createFetchMock(vi);
+fetchMocker.enableMocks();
 
 global.BROWSER = false;
 
-const customGlobal = global;
-customGlobal.fetch = require('jest-fetch-mock');
-customGlobal.fetchMock = customGlobal.fetch;
-
-jest.setMock('cross-fetch', fetch);
+vi.mock('cross-fetch', () => ({ default: global.fetch }));

packages/image/vitest.setup.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import getSource from '../../src/image/getSource';
 
 const VALUE = 'gotcha';

packages/layout/package.json

@@ -1,3 +1,5 @@
+import { describe, expect, it } from 'vitest';
+
 import resolveSource from '../../src/image/resolveSource';
 
 const SOURCE_URL = 'gotcha';

packages/layout/setupTests.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import * as Yoga from 'yoga-layout';
 
 import getBorderWidth from '../../src/node/getBorderWidth';

packages/layout/tests/image/getSource.test.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import getDimension from '../../src/node/getDimension';
 
 const getComputedWidth = () => 10;

packages/layout/tests/image/resolveSource.test.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import * as Yoga from 'yoga-layout';
 
 import getMargin from '../../src/node/getMargin';

packages/layout/tests/node/getBorderWidth.test.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import getOrigin from '../../src/node/getOrigin';
 
 describe('node getOrigin', () => {

packages/layout/tests/node/getDimension.test.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import * as Yoga from 'yoga-layout';
 
 import getPadding from '../../src/node/getPadding';

packages/layout/tests/node/getMargin.test.js

@@ -1,3 +1,5 @@
+import { describe, expect, test } from 'vitest';
+
 import getPosition from '../../src/node/getPosition';
 
 const getComputedTop = () => 10;