After writing first blog post

package.json

@@ -6,7 +6,7 @@
   "main": "app.js",
   "scripts": {
     "start": "node --harmony app.js",
-    "test": "./node_modules/mocha/bin/mocha --harmony-generators test.js -u bdd -R spec"
+    "test": "./node_modules/mocha/bin/mocha --harmony-generators -u bdd -R spec"
   },
   "author": "Marcus Hammarberg",
   "license": "BSD-2-Clause",

test/testHelpers.js

@@ -0,0 +1,16 @@
+var co = require('co');
+
+var app = require('../app.js');
+module.exports.request = require('supertest').agent(app.listen());
+
+var users = require('../userRoutes.js').users;
+module.exports.users = users;
+
+module.exports.removeAll = function(done){
+	co(function *(){
+		yield users.remove({});
+		// and other things we need to clean up
+	})(done);
+};
+
+module.exports.test_user  = { name: 'Marcus', city : 'Bandung, Indonesia'};

test/user.del.js

@@ -0,0 +1,31 @@
+var co  = require('co');
+var helpers = require('./testHelpers.js');
+var users = helpers.users;
+var request = helpers.request;
+
+describe('DEL to /user/:id', function(){
+
+	var test_user = {};
+
+	beforeEach(function (done) {
+		test_user = helpers.test_user;
+		helpers.removeAll(done);
+	});
+
+	afterEach(function (done) {
+		helpers.removeAll(done);
+	});
+
+	it('deletes an existing user', function(done){
+		co(function *() {
+			// Insert test user in database
+			var user = yield users.insert(test_user);
+			var userUrl = '/user/' + user._id;
+
+			// Delete the user
+			request
+				.del(userUrl)
+				.expect(200, done);
+		})();
+	});
+});

test/user.get.js

@@ -0,0 +1,35 @@
+var co  = require('co');
+var helpers = require('./testHelpers.js');
+var users = helpers.users;
+var request = helpers.request;
+
+describe('GET /user/:id ', function(){
+
+	var test_user = {};
+
+	beforeEach(function (done) {
+		test_user = helpers.test_user;
+		helpers.removeAll(done);
+	});
+
+	afterEach(function (done) {
+		helpers.removeAll(done);
+	});
+
+	it('returns JSON for existing user', function (done) {
+		co(function *() {
+			// Insert test user in database
+			var user = yield users.insert(test_user);
+			var userUrl = '/user/' + user._id;
+
+			// Get
+			request
+				.get(userUrl)
+	      		.set('Accept', 'application/json')
+	      		.expect('Content-Type', /json/)
+	      		.expect(/Marcus/)
+	      		.expect(/Bandung, Indonesia/)
+	      		.expect(200, done);
+	    })();
+	});
+});

test/user.post.js

@@ -0,0 +1,46 @@
+var helpers = require('./testHelpers.js');
+var users = helpers.users;
+var request = helpers.request;
+
+describe('POST to /user', function(){
+
+	var test_user = {};
+
+	beforeEach(function (done) {
+		test_user = helpers.test_user;
+		helpers.removeAll(done);
+	});
+
+	afterEach(function (done) {
+		helpers.removeAll(done);
+	});
+
+	it('creates a new user for complete posted data', function(done){
+		// Post
+		request
+			.post('/user')
+			.send(test_user)
+			.expect('location', /^\/user\/[0-9a-fA-F]{24}$/) // Mongo Object Id /user/234234523562512512
+			.expect(200, done);
+	});
+
+	it('returns validation error if name is not present', function(done){
+		var u = { city : "A city without a user name"};
+
+		request
+			.post('/user')
+			.send(u)
+			.expect('ValidationError', "Name is required")
+			.expect(200, done);
+	});
+
+	it('returns validation error if city is not present', function(done){
+		var u = { name : "A name without a city"};
+
+		request
+			.post('/user')
+			.send(u)
+			.expect('ValidationError', "City is required")
+			.expect(200, done);
+	});
+});

test/user.update.js

@@ -0,0 +1,32 @@
+var co  = require('co');
+var helpers = require('./testHelpers.js');
+var users = helpers.users;
+var request = helpers.request;
+
+describe('PUT to /user', function(){
+
+	var test_user = {};
+
+	beforeEach(function (done) {
+		test_user = helpers.test_user;
+		helpers.removeAll(done);
+	});
+
+	afterEach(function (done) {
+		helpers.removeAll(done);
+	});
+
+	it('updates an existing user for complete put data', function(done){
+		co(function *() {
+			// Insert test user in database
+			var user = yield users.insert(test_user);
+			var userUrl = '/user/' + user._id;
+
+			request
+				.put(userUrl)
+				.send({name: 'Marcus v2', City: 'Bandung Updated'})
+				.expect('location', userUrl)
+				.expect(204, done);
+		})();
+	});
+});

userRoutes.js

@@ -9,6 +9,18 @@ module.exports.users = users;
 module.exports.add = function * () {
 	var postedUser = yield parse(this);
 
+	if(!exists(postedUser.name)){
+		this.set('ValidationError', 'Name is required');
+		this.status = 200;
+		return;
+	};
+
+	if(!exists(postedUser.city)){
+		this.set('ValidationError', 'City is required');
+		this.status = 200;
+		return;
+	};
+
 	var insertedUser = yield users.insert(postedUser);
 
 	this.set("location", "/user/" + insertedUser._id);
@@ -33,4 +45,12 @@ module.exports.update = function * (id) {
 module.exports.remove = function * (id) {
 	yield users.remove({_id : id});
 	this.status = 200;
+};
+
+var exists = function (value) {
+	if(value === undefined)
+		return false;
+	if(value === null)
+		return false;
+	return true;
 };