test: migrate to vitest (#349)

.gitignore

@@ -13,3 +13,5 @@
 
 /shims
 /coverage
+
+/node_modules

.yarn/patches/clipanion-npm-3.2.1-fc9187f56c.patch

@@ -0,0 +1,10 @@
+diff --git a/lib/platform/package.json b/lib/platform/package.json
+index 5ea9d43740d1bdb509612376c0e9ce91d20f8b20..08d4f7327dee5e605107a343d73b2254ed08ddb9 100644
+--- a/lib/platform/package.json
++++ b/lib/platform/package.json
+@@ -1,4 +1,4 @@
+ {
+-    "main": "./node",
++    "main": "./node.js",
+     "browser": "./browser"
+ }

package.json

@@ -18,12 +18,7 @@
   "license": "MIT",
   "packageManager": "[email protected]+sha224.934d21773e22af4b69a7032a2d3b4cb38c1f7c019624777cc9916b23",
   "devDependencies": {
-    "@babel/core": "^7.14.3",
-    "@babel/plugin-transform-modules-commonjs": "^7.14.0",
-    "@babel/preset-typescript": "^7.13.0",
-    "@jest/globals": "^29.0.0",
     "@types/debug": "^4.1.5",
-    "@types/jest": "^29.0.0",
     "@types/node": "^20.4.6",
     "@types/proxy-from-env": "^1",
     "@types/semver": "^7.1.0",
@@ -32,13 +27,11 @@
     "@yarnpkg/eslint-config": "^2.0.0",
     "@yarnpkg/fslib": "^3.0.0-rc.48",
     "@zkochan/cmd-shim": "^6.0.0",
-    "babel-plugin-dynamic-import-node": "^2.3.3",
     "better-sqlite3": "^10.0.0",
-    "clipanion": "^3.0.1",
+    "clipanion": "patch:clipanion@npm%3A3.2.1#~/.yarn/patches/clipanion-npm-3.2.1-fc9187f56c.patch",
     "debug": "^4.1.1",
     "esbuild": "^0.21.0",
     "eslint": "^8.57.0",
-    "jest": "^29.0.0",
     "proxy-from-env": "^1.1.0",
     "semver": "^7.5.2",
     "supports-color": "^9.0.0",
@@ -47,6 +40,7 @@
     "typescript": "^5.3.3",
     "undici": "^6.19.2",
     "v8-compile-cache": "^2.3.0",
+    "vitest": "^2.0.3",
     "which": "^4.0.0"
   },
   "resolutions": {
@@ -62,7 +56,7 @@
     "postpack": "run clean",
     "rimraf": "node -e 'for(let i=2;i<process.argv.length;i++)fs.rmSync(process.argv[i],{recursive:true,force:true});'",
     "typecheck": "tsc --noEmit",
-    "test": "jest"
+    "test": "vitest"
   },
   "files": [
     "dist",

tests/Disable.test.ts

@@ -1,7 +1,7 @@
-import {describe, beforeEach, it, expect}     from '@jest/globals';
 import {Filename, ppath, xfs, npath}          from '@yarnpkg/fslib';
 import {delimiter}                            from 'node:path';
 import process                                from 'node:process';
+import {describe, beforeEach, it, expect}     from 'vitest';
 
 import {Engine}                               from '../sources/Engine';
 import {SupportedPackageManagerSetWithoutNpm} from '../sources/types';

tests/Enable.test.ts

@@ -1,7 +1,7 @@
-import {describe, beforeEach, it, expect}                               from '@jest/globals';
 import {Filename, ppath, xfs, npath}                                    from '@yarnpkg/fslib';
 import {delimiter}                                                      from 'node:path';
 import process                                                          from 'node:process';
+import {describe, beforeEach, it, expect}                               from 'vitest';
 
 import {Engine}                                                         from '../sources/Engine';
 import {SupportedPackageManagers, SupportedPackageManagerSetWithoutNpm} from '../sources/types';

tests/Up.test.ts

@@ -1,6 +1,6 @@
-import {describe, beforeEach, it, expect} from '@jest/globals';
 import {ppath, xfs, npath}                from '@yarnpkg/fslib';
 import process                            from 'node:process';
+import {describe, beforeEach, it, expect} from 'vitest';
 
 import {runCli}                           from './_runCli';
 

tests/Use.test.ts

@@ -1,6 +1,6 @@
-import {describe, beforeEach, it, expect} from '@jest/globals';
 import {ppath, xfs, npath}                from '@yarnpkg/fslib';
 import process                            from 'node:process';
+import {describe, beforeEach, it, expect} from 'vitest';
 
 import {runCli}                           from './_runCli';
 

tests/config.test.ts

@@ -1,9 +1,9 @@
-import {jest, describe, it, expect} from '@jest/globals';
+import {vi, describe, it, expect} from 'vitest';
 
-import defaultConfig                from '../config.json';
-import {DEFAULT_NPM_REGISTRY_URL}   from '../sources/npmRegistryUtils';
+import defaultConfig              from '../config.json';
+import {DEFAULT_NPM_REGISTRY_URL} from '../sources/npmRegistryUtils';
 
-jest.mock(`../sources/httpUtils`);
+vi.mock(`../sources/httpUtils`);
 
 describe(`key store should be up-to-date`, () => {
   it(`should contain up-to-date npm keys`, async () => {

tests/corepackUtils.test.ts

@@ -1,4 +1,4 @@
-import {describe, it, expect}     from '@jest/globals';
+import {describe, it, expect}     from 'vitest';
 
 import {shouldSkipIntegrityCheck} from '../sources/corepackUtils';
 

tests/main.test.ts

@@ -1,7 +1,7 @@
-import {beforeEach, describe, expect, it}          from '@jest/globals';
 import {Filename, ppath, xfs, npath, PortablePath} from '@yarnpkg/fslib';
 import os                                          from 'node:os';
 import process                                     from 'node:process';
+import {beforeEach, describe, expect, it}          from 'vitest';
 
 import config                                      from '../config.json';
 import * as folderUtils                            from '../sources/folderUtils';
@@ -48,7 +48,7 @@ it(`should refuse to download a known package manager from a URL`, async () => {
   });
 });
 
-it.failing(`should refuse to download a known package manager from a URL in package.json`, async () => {
+it.fails(`should refuse to download a known package manager from a URL in package.json`, async () => {
   await xfs.mktempPromise(async cwd => {
     // Package managers known by Corepack cannot be loaded from a URL.
     await xfs.writeJsonPromise(ppath.join(cwd, `package.json` as Filename), {

tests/npmRegistryUtils.test.ts

@@ -1,15 +1,15 @@
-import {jest, describe, beforeEach, it, expect}                 from '@jest/globals';
 import {Buffer}                                                 from 'node:buffer';
 import process                                                  from 'node:process';
+import {describe, beforeEach, it, expect, vi}                   from 'vitest';
 
 import {fetchAsJson as httpFetchAsJson}                         from '../sources/httpUtils';
 import {DEFAULT_HEADERS, DEFAULT_NPM_REGISTRY_URL, fetchAsJson} from '../sources/npmRegistryUtils';
 
-jest.mock(`../sources/httpUtils`);
+vi.mock(`../sources/httpUtils`);
 
 describe(`npm registry utils fetchAsJson`, () => {
   beforeEach(() => {
-    jest.resetAllMocks();
+    vi.resetAllMocks();
   });
 
   it(`throw usage error if COREPACK_ENABLE_NETWORK env is set to 0`, async () => {

tests/setupTests.js → tests/setupTests.ts

@@ -1,8 +1,5 @@
-/* global jest, beforeEach, afterAll */
-
-const process = require(`process`);
-
-jest.retryTimes(2, {logErrorsBeforeRetry: true});
+import process                from 'process';
+import {beforeEach, afterAll} from 'vitest';
 
 const OLD_ENV = process.env;
 // To ensure we test the default behavior, we must remove these env vars

vitest.config.mts

@@ -0,0 +1,13 @@
+import {defineConfig} from 'vitest/config';
+
+// eslint-disable-next-line arca/no-default-export
+export default defineConfig({
+  test: {
+    setupFiles: [`./tests/setupTests.ts`],
+    testTimeout: 120000,
+    retry: 2,
+  },
+  esbuild: {
+    target: `node${process.versions.node}`,
+  },
+});