got jest working on simple test files for extension and parser

Author: ash-t-luu

jest.config.js

@@ -1,13 +1,29 @@
 const path = require('path');
 
+// module.exports = {
+//     preset: 'ts-jest',
+//     testEnvironment: './vscode-environment.js',
+//     modulePaths: ['<rootDir>'],
+//     // Add other Jest configurations as needed
+//     // testMatch: ['**/test/**/*.js', '**/?(*.)+(spec|test).js'], // Match JavaScript files
+//     moduleNameMapper: {
+//         // '^@/(.*)$': 'build/src/$1', // Adjust this based on your project structure
+//         vscode: path.join(__dirname, 'vscode.js')  // <----- most important line
+//     },
+// };
+
 module.exports = {
-    preset: 'ts-jest',
-    testEnvironment: './vscode-environment.js',
-    modulePaths: ['<rootDir>'],
-    // Add other Jest configurations as needed
-    // testMatch: ['**/test/**/*.js', '**/?(*.)+(spec|test).js'], // Match JavaScript files
+    preset: "ts-jest",
+    testEnvironment: "node",
+    preset: "ts-jest/presets/default-esm", // or other ESM presets
+    globals: {
+        "ts-jest": {
+            useESM: true,
+        },
+    },
     moduleNameMapper: {
-        // '^@/(.*)$': 'build/src/$1', // Adjust this based on your project structure
+        // '^@/(.*)$': 'build/src/$1',
         vscode: path.join(__dirname, 'vscode.js')  // <----- most important line
     },
-};
+    testMatch: ['**/test/**/*.js', '**/?(*.)+(spec|test).js']
+};

package.json

@@ -70,7 +70,7 @@
   "scripts": {
     "lint": "eslint .",
     "pretest": "npm run lint",
-    "test": "node build/src/test/runTest.js",
+    "test": "node ./build/src/test/runTest.js",
     "dev": "webpack --watch",
     "webpack": "webpack"
   },

src/test/runTest.ts

@@ -19,7 +19,7 @@ async function main() {
 
 		// Download VS Code, unzip it and run the integration test
 		await runTests({ 
-			version: '1.85.1', 
+			version: "1.85.1", 
 			extensionDevelopmentPath, 
 			extensionTestsPath
 		});

src/test/suite/extension.test.ts

@@ -6,9 +6,9 @@ import * as vscode from 'vscode'
 // we can either use test() or it() -- matter of style for team/project convention
 
 describe('Extension Test Suite', () => {
-	beforeEach(() => {
-		vscode.window.showInformationMessage('Start all tests.');
-	});
+	// beforeEach(() => {
+	// 	vscode.window.showInformationMessage('Start all tests.');
+	// });
 
 	it('Sample test', () => {
 		expect([1, 2, 3].indexOf(5)).toBe(-1);

src/test/suite/parser.test.ts

@@ -9,9 +9,9 @@ import * as vscode from 'vscode'
 // const myExtension = require('../extension');
 
 describe('Parser Test Suite', () => {
-	beforeEach(() => {
-        vscode.window.showInformationMessage('Start all tests.');
-    });
+	// beforeEach(() => {
+    //     vscode.window.showInformationMessage('Start all tests.');
+    // });
 
     let parser, tree, file;