test.js

import request from 'supertest';

// Factory allows us to produce a "clean" instance of an app
// with stubbed services for each test
import factory from '../factory';

describe('AccountController', () => {
    let app;
    let services;
    let models;

    beforeEach(async () => {
        app = await factory();
        services = app.get('services');
        models = services.db.models;
    });
  
    afterEach(() => {
        app = null;
        services = null;
        models = null;
    });
  
    describe('.login()', async () => {
        it('should fail login with invalid credentials', async () => {
            const password = 'abcdefgh123456';
            const user = await services.seeder.user({
                password,
            });

            const response = await request(app)
                .post('/api/account/login')
                .send({
                    email: user.email,
                    password: '1234567',
                })
                .set('Accept', 'application/json');

            expect(response.statusCode).to.equal(403);
            
            // We can then test expected side-effects and state changes,
            // for example we could grab the logger service and 
            // make sure a corresponding entry was made
        });
    });
});