index.ts

import * as bootstrap from './bootstrap';

//
// PLEASE DO NOT MODIFY / DELETE UNLESS YOU KNOW WHAT YOU ARE DOING
//
// This file is providing the test runner to use when running extension tests.
// By default the test runner in use is Mocha based.
//
// You can provide your own test runner if you want to override it by exporting
// a function run(testRoot: string, clb: (error:Error) => void) that the extension
// host can call to run the tests. The test runner is expected to use console.log
// to report the results back to the caller. When the tests are finished, return
// a possible error to the callback or null if none.

var testRunner = require('vscode/lib/testrunner');

// You can directly control Mocha options by uncommenting the following lines
// See https://github.com/mochajs/mocha/wiki/Using-mocha-programmatically#set-options for more info
testRunner.configure({
    ui: 'tdd', 		// the TDD UI is being used in extension.test.ts (suite, test, etc.)
    useColors: true // colored output from test results
});

export function run(testsRoot:string, callback: (error:Error, failures?:number) => void):void {
    testRunner.run(testsRoot, (e, failures) => {
        bootstrap.callback(() => {
            if (failures > 0) {
                callback(new Error(failures + ' test(s) failed'), failures);
            } else {
                callback(null);
            }
        });
    });
};