js-test/runner.js

'use strict';

const tests = require('./sum.test');
const { SumTestSuite } = require('./SumTestSuite');

function runTestFile() {
    const results = {};

    Object.entries(tests).forEach(
        ([_, testData]) => {
            console.log(testData.description);
            try {
                testData.test();
                console.log('SUCCESS');
                
                // FIXME no
                results[testData.description] = null;
            } catch (err) {
                console.log('FAILED');
                console.log(err.message);
                results[testData.description] = err; 
            }
        }
    );
    
    return results;
}

function runTestSuite() {
    const suite = new SumTestSuite();
    const suiteProto = Object.getPrototypeOf(suite)
    const testMethodNames = 
        Object.getOwnPropertyNames(suiteProto).filter(
            prop => 
                typeof suite[prop] === 'function' &&
                prop.startsWith('test')
        );

    testMethodNames.forEach(
        testMethodName => {
            console.log(testMethodName);
            try {
                suite[testMethodName]();
                console.log('SUCCESS');
            } catch (err) {
                console.log('FAILED');
                console.log(err.message);
            }
        }
    );
}

runTestSuite();