Helper

type-script-helper/src/test/runTest.ts

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+import * as path from 'path';
+
+import { runTests } from 'vscode-test';
+
+async function main() {
+	try {
+		// The folder containing the Extension Manifest package.json
+		// Passed to `--extensionDevelopmentPath`
+		const extensionDevelopmentPath = path.resolve(__dirname, '../../');
+
+		// The path to test runner
+		// Passed to --extensionTestsPath
+		const extensionTestsPath = path.resolve(__dirname, './suite/index');
+
+		// Download VS Code, unzip it and run the integration test
+		await runTests({ extensionDevelopmentPath, extensionTestsPath });
+	} catch (err) {
+		console.error('Failed to run tests');
+		process.exit(1);
+	}
+}
+
+main();

type-script-helper/src/test/suite/extension.test.ts

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+import * as assert from 'assert';
+
+// You can import and use all API from the 'vscode' module
+// as well as import your extension to test it
+import * as vscode from 'vscode';
+// import * as myExtension from '../extension';
+
+suite('Extension Test Suite', () => {
+	vscode.window.showInformationMessage('Start all tests.');
+
+	test('Sample test', () => {
+		assert.equal(-1, [1, 2, 3].indexOf(5));
+		assert.equal(-1, [1, 2, 3].indexOf(0));
+	});
+});

type-script-helper/src/test/suite/index.ts

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+import * as path from 'path';
+import * as Mocha from 'mocha';
+import * as glob from 'glob';
+
+export function run(): Promise<void> {
+	// Create the mocha test
+	const mocha = new Mocha({
+		ui: 'tdd',
+	});
+	mocha.useColors(true);
+
+	const testsRoot = path.resolve(__dirname, '..');
+
+	return new Promise((c, e) => {
+		glob('**/**.test.js', { cwd: testsRoot }, (err, files) => {
+			if (err) {
+				return e(err);
+			}
+
+			// Add files to the test suite
+			files.forEach(f => mocha.addFile(path.resolve(testsRoot, f)));
+
+			try {
+				// Run the mocha test
+				mocha.run(failures => {
+					if (failures > 0) {
+						e(new Error(`${failures} tests failed.`));
+					} else {
+						c();
+					}
+				});
+			} catch (err) {
+				e(err);
+			}
+		});
+	});
+}