TODO use mocha

[ialex32x]

require('node_modules/mocha/mocha');

class MyReporter extends Mocha.reporters.Base {
    constructor(runner) {
        super(runner);

        runner.on('start', () => {
            console.log('testcase start...');
        });

        runner.on('pass', (test) => {
            console.log(`pass: ${test.fullTitle()}`);
        });

        runner.on('fail', (test, err) => {
            console.error(`fail: ${test.fullTitle()} - error: ${err.message}`);
        });

        runner.on('end', () => {
            console.log('all done');
        });
    }
}

const mocha = new Mocha({
    reporter: MyReporter,
});

mocha.suite.addSuite(new Mocha.Suite('Array')
    .addTest(new Mocha.Test('should start empty', function () {
            const arr = [];
            if (arr.length !== 0) {
                throw new Error('array is not empty');
            }
        }))
    .addTest(new Mocha.Test('should push one element', function () {
            const arr = [];
            arr.push(1);
            if (arr.length !== 1) {
                throw new Error('array length is not 1');
            }
        }))
    .addTest(new Mocha.Test('should fail this test', function () {
            const arr = [];
            arr.push(1);
            if (arr.length !== 2) {
                throw new Error('array length is not 2');
            }
        })));

mocha.run(failures => {
    console.log('failures:', failures);
});