WIP migrating to node test

Author: danielpza

test/package.json

@@ -3,6 +3,7 @@
   "license": "MIT",
   "scripts": {
     "test": "jest",
+    "test:node": "node --test --watch '**/*.test.ts'",
     "g:ts-node": "cd $INIT_CWD && ts-node",
     "postinstall": "node prepare.mjs"
   },
@@ -12,13 +13,17 @@
     "@nrwl/node": "^15.9.7",
     "@nrwl/workspace": "^15.9.7",
     "@tsconfig/node18": "^18.2.4",
+    "@tsconfig/node22": "^22.0.2",
     "@types/jest": "^29.5.14",
+    "@types/node": "^24.3.0",
     "@types/ts-expose-internals": "npm:ts-expose-internals@^4.9.5",
+    "escape-string-regexp": "^5.0.0",
     "jest": "^29.7.0",
     "nx": "^15.9.7",
     "ts-jest": "^29.2.4",
     "ts-node": "^10.9.2",
     "ts-patch": "^3.3.0",
+    "tsx": "^4.20.4",
     "typescript": "^5.7.2",
     "typescript-transform-paths": "portal:../"
   },

test/tests/extras.test.ts

@@ -1,9 +1,12 @@
-import { createTsProgram, getEmitResultFromProgram, ModuleNotFoundError } from "../utils";
-import { projectsPaths } from "../config";
+import escapeStringRegexp from "escape-string-regexp";
+import { execSync } from "node:child_process";
 import path from "node:path";
+import test, { describe } from "node:test";
 import ts from "typescript";
 import * as config from "../config";
-import { execSync } from "node:child_process";
+import { projectsPaths } from "../config";
+import { createTsProgram, getEmitResultFromProgram, ModuleNotFoundError } from "../utils";
+import { stripVTControlCharacters } from "node:util";
 
 /* ****************************************************************************************************************** *
  * Tests
@@ -16,38 +19,33 @@ describe(`Extra Tests`, () => {
 
   describe(`Built Tests`, () => {
     // see: https://github.com/LeDDGroup/typescript-transform-paths/issues/130
-    test(`Transformer works without ts-node being present`, () => {
-      jest.doMock(
-        "ts-node",
-        () => {
-          throw new ModuleNotFoundError("ts-node");
-        },
-        { virtual: true },
-      );
-      try {
-        const program = createTsProgram({ tsInstance: ts, tsConfigFile }, config.builtTransformerPath);
-        const res = getEmitResultFromProgram(program);
-        expect(res[indexFile].js).toMatch(`var _identifier_1 = require("./id")`);
-      } finally {
-        jest.dontMock("ts-node");
-      }
-    });
+    // test(`Transformer works without ts-node being present`, (t) => {
+    //   jest.doMock(
+    //     "ts-node",
+    //     () => {
+    //       throw new ModuleNotFoundError("ts-node");
+    //     },
+    //     { virtual: true },
+    //   );
+    //   try {
+    //     const program = createTsProgram({ tsInstance: ts, tsConfigFile }, config.builtTransformerPath);
+    //     const res = getEmitResultFromProgram(program);
+    //     t.assert.match(res[indexFile].js, new RegExp(escapeStringRegexp(`var _identifier_1 = require("./id")`)));
+    //     expect(res[indexFile].js).toMatch(`var _identifier_1 = require("./id")`);
+    //   } finally {
+    //     jest.dontMock("ts-node");
+    //   }
+    // });
 
     describe(`ts-node register script`, () => {
-      /** Yarn sometimes outputs bold text, which makes these tests flakey */
-      function stripAnsi(str: string) {
-        // eslint-disable-next-line no-control-regex
-        return str.replace(/\x1B\[[0-?]*[ -/]*[@-~]/g, "");
-      }
-
-      test(`Works with --transpileOnly`, () => {
+      test(`Works with --transpileOnly`, (t) => {
         const res = execSync("yarn g:ts-node --transpileOnly src/index.ts", { cwd: projectRoot }).toString();
-        expect(stripAnsi(res.trim())).toEqual("null");
+        t.assert.equal(stripVTControlCharacters(res.trim()), "null");
       });
 
-      test(`Works with --typeCheck`, () => {
+      test(`Works with --typeCheck`, (t) => {
         const res = execSync("yarn g:ts-node --typeCheck src/index.ts", { cwd: projectRoot }).toString();
-        expect(stripAnsi(res.trim())).toEqual("null");
+        t.assert.equal(stripVTControlCharacters(res.trim()), "null");
       });
     });
   });

test/tsconfig.json

@@ -1,9 +1,8 @@
 {
-  "extends": "@tsconfig/node18",
+  "extends": "@tsconfig/node22",
   "include": ["tests", "utils"],
-
   "compilerOptions": {
-    "types": ["jest", "node", "ts-expose-internals"],
+    "types": ["node", "ts-expose-internals"],
     "noEmit": true,
     "strict": true,
     "esModuleInterop": true