Convert Jest to Vitest (#1479)

* init convertion

* get rid of jest

* Fix tests with vitest

* minor fixes

Author: wirednkod

.eslintrc.js

@@ -6,7 +6,7 @@ module.exports = {
     project: "./tsconfig.json",
     createDefaultProgram: true,
   },
-  extends: ["react-app", "react-app/jest", "prettier"],
+  extends: ["react-app", "prettier"],
   rules: {
     "import/no-extraneous-dependencies": [
       "error",

package.json

@@ -44,20 +44,17 @@
     "@babel/preset-env": "^7.22.5",
     "@babel/preset-react": "^7.22.5",
     "@hot-loader/react-dom": "^17.0.2",
-    "@jest/globals": "^28.1.3",
     "@types/asap": "^2.0.0",
     "@types/chrome": "^0.0.237",
     "@types/copy-webpack-plugin": "^10.1.0",
-    "@types/jest": "^28.1.8",
-    "@types/jsdom": "^20.0.1",
+    "@types/jsdom": "^21.1.1",
     "@types/node": "^18.16.17",
     "@types/qrcode.react": "^1.0.2",
     "@types/react": "^18.2.14",
     "@types/react-dom": "^18.2.6",
     "@types/react-hot-loader": "^4.1.1",
     "@types/react-router-dom": "^5.3.3",
     "@typescript-eslint/parser": "^5.59.9",
-    "babel-jest": "^28.1.3",
     "babel-loader": "^8.3.0",
     "bn.js": "^5.2.1",
     "buffer": "^6.0.3",
@@ -73,17 +70,13 @@
     "html-minimizer-webpack-plugin": "^4.3.0",
     "html-webpack-plugin": "^5.5.3",
     "http-server": "^14.1.1",
-    "jest": "^28.1.3",
-    "jest-environment-jsdom": "^28.1.3",
-    "jest-silent-reporter": "^0.5.0",
     "jsdom": "^19.0.0",
     "nodemon": "^2.0.22",
     "prettier": "^2.8.8",
     "regenerator-runtime": "^0.13.11",
     "rimraf": "^3.0.2",
     "stream-browserify": "^3.0.0",
     "style-loader": "^3.3.3",
-    "ts-jest": "^28.0.8",
     "ts-loader": "^9.4.3",
     "ts-node": "^10.9.1",
     "typedoc": "^0.24.8",

packages/connect/.eslintignore

@@ -7,4 +7,5 @@ coverage
 .chains
 
 /src/specs/*.json
+/src/connector/specs/*.ts
 jest.*.ts

packages/connect/jest.config.cjs

@@ -29,7 +29,7 @@
     "postinstall": "node build-js-specs.mjs",
     "build-js-specs": "node build-js-specs.mjs",
     "pretest": "yarn build",
-    "test": "node --no-warnings --experimental-vm-modules ../../node_modules/jest/bin/jest.js --colors --coverage",
+    "test": "vitest",
     "deep-clean": "yarn clean && rm -rf node_modules",
     "clean": "rm -rf dist tsconfig.tsbuildinfo",
     "build": "yarn run build:mjs && yarn run build:cjs && bash ./fix-package-type.sh",
@@ -42,6 +42,7 @@
     "smoldot": "1.0.12"
   },
   "devDependencies": {
-    "eslint": "^8.44.0"
+    "eslint": "^8.44.0",
+    "vitest": "^0.33.0"
   }
 }

packages/connect/package.json

@@ -1,3 +1,7 @@
+/**
+ * @vitest-environment jsdom
+ */
+import { it, describe, expect } from "vitest"
 import { randomBytes } from "crypto"
 import {
   ToApplication,
@@ -8,18 +12,21 @@ import { AlreadyDestroyedError, CrashError } from "./types"
 
 // we have to fake this API on node
 import { WellKnownChain } from "../WellKnownChain.js"
-;(globalThis.crypto as any) = {
-  getRandomValues: <T extends ArrayBufferView | null>(arr: T) => {
-    if (!arr) return arr
-    const tmp = new Uint8Array(arr.byteLength)
-    const randomBytesBuffer = randomBytes(tmp.length)
-    tmp.set(randomBytesBuffer)
-    const test = new DataView(arr.buffer)
-    for (let i = 0; i < tmp.length; i++) {
-      test.setUint8(i, tmp[i])
-    }
-    return arr
-  },
+
+if (!globalThis.crypto) {
+  ;(globalThis.crypto as any) = {
+    getRandomValues: <T extends ArrayBufferView | null>(arr: T) => {
+      if (!arr) return arr
+      const tmp = new Uint8Array(arr.byteLength)
+      const randomBytesBuffer = randomBytes(tmp.length)
+      tmp.set(randomBytesBuffer)
+      const test = new DataView(arr.buffer)
+      for (let i = 0; i < tmp.length; i++) {
+        test.setUint8(i, tmp[i])
+      }
+      return arr
+    },
+  }
 }
 
 const getClientMessage = (timeout = 10) =>