ismarslomic/nodejs-microservice-poc

'use strict';
require('should');

var request = require('supertest');
var server = require('../../server').server;
var db = require('../../config/mongoose');
var Article = require('./article.model').model;
var v1RoutePath = '/api/v1/articles';
var baseUrl = server.url + v1RoutePath;

// Clear all articles
function cleanup(done) {
    db.connect(function () {
        Article.remove().exec().then(function () {
            done();
        });
    });
}

function populate(done) {
    Article.create(
        {
            title: 'My article #1', slug: 'slug 123', content: 'Content of first article', author: 'Ola Nordmann',
            comments: [{text: 'My comments are expensive', author: 'Kari Nordmann',}]
        },
        {
            title: 'My article #2', slug: 'slug 456', content: 'Content of second article', author: 'Per Jensen',
            comments: [{text: 'My comments are expensive', author: 'Gar Støre',}]
        },
        {
            title: 'My article #3', slug: 'slug 789', content: 'Content of third article', author: 'Siv Jensen',
            comments: [{text: 'My comments are expensive', author: 'Erna Solberg',}]
        },
        function (err, article) {
            if (err) {
                throw err;
            }
            done();
        }
    )
}

function closeConnection(done) {
    db.disconnect(function () {
        done();
    })
}

describe('Article REST API services', function () {
    describe('query / GET', function () {
        before(cleanup);
        before(populate);
        after(closeConnection);

        it('should return all articles', function (done) {
            request(server)
                .get(v1RoutePath)
                .expect('Content-Type', /json/)
                .expect(200)
                .expect(function (res) {
                    res.body.should.have.lengthOf(3);
                    res.headers.should.have.property('x-total-count');
                    res.headers['x-total-count'].should.be.exactly('3');
                })
                .end(done);
        });
    });
    describe('details / GET', function () {
        before(cleanup);
        after(closeConnection);

        it('should select detail article', function (done) {
            Article.create(
                {
                    title: 'My detailed article', slug: 'slug 789', content: 'Content of third article', author: 'Siv Jensen',
                    comments: [{text: 'My comments are expensive', author: 'Erna Solberg',}]
                },
                function (err, article) {
                    if (err) {
                        throw err;
                    }

                    request(server)
                        .get(v1RoutePath + '/' + article.id)
                        .expect('Content-Type', /json/)
                        .expect(200)
                        .expect(function (res) {
                            res.body.title.should.equal('My detailed article');
                            res.body.should.have.property('slug');
                            res.body.should.have.property('content');
                            res.body.should.have.property('author');
                            res.body.should.have.property('comments');
                            res.body.comments.length.should.be.exactly(1);
                            res.body.comments[0].should.have.property('text');
                            res.body.comments[0].should.have.property('author');
                        })
                        .end(done);
                });
        });
    });

    describe('insert / POST', function () {
        before(cleanup);
        after(closeConnection);

        it('should create article and return article back with 201', function (done) {
            request(server)
                .post(v1RoutePath)
                .send(
                {
                    title: 'My detailed article', slug: 'slug 789', content: 'Content of third article', author: 'Siv Jensen',
                    comments: [{text: 'My comments are expensive', author: 'Erna Solberg',}]
                }
            )
                .expect('Content-Type', /json/)
                .expect(201)
                .expect(function (res) {
                    res.headers.should.have.property('location');
                    res.headers.location.should.be.equal(baseUrl + '/' + res.body._id);
                    res.body.title.should.equal('My detailed article');
                    res.body.should.have.property('_id');
                    res.body.should.have.property('__v');
                    res.body.should.have.property('slug');
                    res.body.should.have.property('content');
                    res.body.should.have.property('author');
                    res.body.should.have.property('comments');
                    res.body.comments.length.should.be.exactly(1);
                    res.body.comments[0].should.have.property('text');
                    res.body.comments[0].should.have.property('author');
                })
                .end(done);
        });
    });

    describe('update / PATCH', function () {
        before(cleanup);
        after(closeConnection);

        it('should partly update existing article and return back full doc', function (done) {
            Article.create(
                {
                    title: 'My detailed article', slug: 'slug 789', content: 'Content of third article', author: 'Siv Jensen',
                    comments: [{text: 'My comments are expensive', author: 'Erna Solberg',}]
                },
                function (err, article) {
                    if (err) {
                        throw err;
                    }

                    request(server)
                        .patch(v1RoutePath + '/' + article.id)
                        .send({title: 'New title', slug: 'New slug'})
                        .expect('Content-Type', /json/)
                        .expect(200)
                        .expect(function (res) {
                            res.headers.should.have.property('location');
                            res.headers.location.should.be.equal(baseUrl + '/' + res.body._id);
                            res.body.title.should.equal('New title');
                            res.body.slug.should.equal('New slug');
                            res.body.content.should.equal('Content of third article');
                            res.body.author.should.equal('Siv Jensen');
                            res.body.comments.length.should.be.exactly(1);
                            res.body.comments[0].text.should.equal('My comments are expensive');
                            res.body.comments[0].author.should.equal('Erna Solberg');
                            res.body.should.have.property('_id');
                            res.body.should.have.property('__v');
                        })
                        .end(done);
                });
        });
    });

    describe('delete / DEL', function () {
        before(cleanup);
        after(closeConnection);

        it('should delete existing article', function (done) {
            Article.create(
                {
                    title: 'Article to delete', slug: 'slug 789', content: 'Content of article to delete', author: 'Siv Jensen',
                    comments: [{text: 'My comments are expensive', author: 'Erna Solberg',}]
                },
                function (err, article) {
                    if (err) {
                        throw err;
                    }

                    request(server)
                        .del(v1RoutePath + '/' + article.id)
                        .expect('Content-Type', /json/)
                        .expect(function (res) {
                            res.body.should.not.be.empty();
                        })
                        .expect(200)
                        .end(done);
                });
        });
    });
});