Add additional tests for register route

package.json

@@ -98,6 +98,7 @@
   },
   "devDependencies": {
     "chai": "^3.4.0",
+    "chai-as-promised": "^5.1.0",
     "coffee-coverage": "~0.4.2",
     "coveralls": "^2.11.2",
     "csv": "~0.3.6",

test/api/register/POST-register.test.js

@@ -1,14 +1,14 @@
-import {requester} from '../../helpers/api.helper';
+import {
+  generateUser,
+  requester,
+} from '../../helpers/api.helper';
 import {v4 as generateRandomUserName} from 'uuid';
 
 describe('POST /register', () => {
-  let api;
-
-  beforeEach(() => {
-    api = requester();
-  });
 
+  context('username and email are free', () => {
     it('registers a new user', (done) => {
+      let api = requester();
       let username = generateRandomUserName();
       let email = `${username}@example.com`;
       let password = 'password';
@@ -20,12 +20,64 @@ describe('POST /register', () => {
         confirmPassword: password,
       }).then((user) => {
         expect(user._id).to.exist;
+        expect(user.apiToken).to.exist;
         expect(user.auth.local.username).to.eql(username);
-      expect(user.auth.local.email).to.eql(`${username}@example.com`);
         done();
-    })
-    .catch((err) => {
-      done(err);
+      });
+    });
+
+    it('requires password and confirmPassword to match', () => {
+      let api = requester();
+      let username = generateRandomUserName();
+      let email = `${username}@example.com`;
+      let password = 'password';
+      let confirmPassword = 'not password';
+
+      return expect(api.post('/register', {
+        username:        username,
+        email:           email,
+        password:        password,
+        confirmPassword: confirmPassword,
+      })).to.be.rejectedWith(':password and :confirmPassword don\'t match');
+    });
+  });
+
+  context('login is already taken', () => {
+    let username, email;
+    beforeEach(() => {
+      username = generateRandomUserName();
+      email = `${username}@example.com`;
+      return generateUser({
+        'auth.local.username': username,
+        'auth.local.lowerCaseUsername': username,
+        'auth.local.email': email
+      });
+    });
+
+    it('rejects if username is already taken', () => {
+      let api = requester();
+      let uniqueEmail = `${generateRandomUserName()}@exampe.com`;
+      let password = 'password';
+
+      return expect(api.post('/register', {
+        username:        username,
+        email:           uniqueEmail,
+        password:        password,
+        confirmPassword: password,
+      })).to.be.rejectedWith('Username already taken');
+    });
+
+    it('rejects if email is already taken', () => {
+      let api = requester();
+      let uniqueUsername = generateRandomUserName();
+      let password = 'password';
+
+      return expect(api.post('/register', {
+        username:        uniqueUsername,
+        email:           email,
+        password:        password,
+        confirmPassword: password,
+      })).to.be.rejectedWith('Email already taken');
     });
   });
 });

test/helpers/globals.helper.js

@@ -5,4 +5,5 @@
 global._ = require("lodash")
 global.chai = require("chai")
 chai.use(require("sinon-chai"))
+chai.use(require("chai-as-promised"));
 global.expect = chai.expect