import * as path from 'path';
import Mocha from 'mocha';
import { glob } from 'glob';

export async function run(): Promise<void> {
	// Create the mocha test
	const mocha = new Mocha({
		ui: 'tdd',
		color: true
	});

	const testsRoot = path.resolve(__dirname, '..');
	const files = await glob('**/**.test.js', { cwd: testsRoot });

	// Add files to the test suite
	files.forEach(f => mocha.addFile(path.resolve(testsRoot, f)));

	try {
		return new Promise<void>((c, e) => {
			// Run the mocha test
			mocha.run(failures => {
				if (failures > 0) {
					e(new Error(`${failures} tests failed.`));
				} else {
					c();
				}
			});
		});
	} catch (err) {
		console.error(err);
	}
}