test.js

// To run tests locally:
// 1. From `exercisefiles/node` run: `npm install --save-dev mocha`
// 2. Run tests with: `npx mocha test.js`

const assert = require('assert');
const http = require('http');
// Require the server so it starts before tests run.
require('./nodeserver');

describe('Node Server', function () {
    // allow a small timeout for server startup and external calls
    this.timeout(5000);

    before((done) => {
        // small delay to allow server.listen callback to complete
        setTimeout(done, 200);
    });

    it('GET /get without key -> "key not passed"', (done) => {
        http.get('http://localhost:3000/get', (res) => {
            let data = '';
            res.on('data', (chunk) => { data += chunk; });
            res.on('end', () => {
                assert.strictEqual(data, 'key not passed');
                done();
            });
        }).on('error', done);
    });

    it('GET /get?key=world -> "hello world"', (done) => {
        http.get('http://localhost:3000/get?key=world', (res) => {
            let data = '';
            res.on('data', (chunk) => { data += chunk; });
            res.on('end', () => {
                assert.strictEqual(data, 'hello world');
                done();
            });
        }).on('error', done);
    });

    it('GET /Validatephonenumber -> valid', (done) => {
        http.get('http://localhost:3000/Validatephonenumber?phoneNumber=34666666666', (res) => {
            let data = '';
            res.on('data', (chunk) => { data += chunk; });
            res.on('end', () => {
                assert.strictEqual(data, 'valid');
                done();
            });
        }).on('error', done);
    });

    it('GET /ValidateSpanishDNI valid and invalid', (done) => {
        // valid DNI
        http.get('http://localhost:3000/ValidateSpanishDNI?dni=86471508H', (res) => {
            let d1 = '';
            res.on('data', (c) => { d1 += c; });
            res.on('end', () => {
                assert.strictEqual(d1, 'valid');
                // invalid DNI
                http.get('http://localhost:3000/ValidateSpanishDNI?dni=12345678A', (res2) => {
                    let d2 = '';
                    res2.on('data', (c) => { d2 += c; });
                    res2.on('end', () => {
                        assert.strictEqual(d2, 'invalid');
                        done();
                    });
                }).on('error', done);
            });
        }).on('error', done);
    });

    it('GET /ReturnColorCode?color=red -> #FF0000', (done) => {
        http.get('http://localhost:3000/ReturnColorCode?color=red', (res) => {
            let data = '';
            res.on('data', (chunk) => { data += chunk; });
            res.on('end', () => {
                assert.strictEqual(data, '#FF0000');
                done();
            });
        }).on('error', done);
    });

    it('GET /DaysBetweenDates returns days', (done) => {
        http.get('http://localhost:3000/DaysBetweenDates?date1=2020-01-01&date2=2020-01-02', (res) => {
            let data = '';
            res.on('data', (chunk) => { data += chunk; });
            res.on('end', () => {
                assert.strictEqual(data, '1 days');
                done();
            });
        }).on('error', done);
    });
});