add unit tests

.eslintrc

@@ -2,6 +2,7 @@
   "extends": "./node_modules/eslint-config/.eslintrc",
   "env": {
     "node": true,
-    "browser": false
+    "browser": false,
+    "mocha": true
   }
 }

package.json

@@ -4,8 +4,10 @@
   "description": "Container to host simple static applications using a node server, so files can be deployed using rsync",
   "main": "server.js",
   "scripts": {
-    "test": "eslint server.js && nsp check",
-    "start": "node server.js"
+    "test": "npm run mocha && npm run lint && nsp check",
+    "lint": "eslint server.js tests/**.js",
+    "start": "node server.js",
+    "mocha": "NODE_ENV=test mocha tests/**.test.js"
   },
   "engines": {
     "node": "5.11.1"
@@ -30,6 +32,8 @@
   "devDependencies": {
     "eslint": "=1.9.0",
     "eslint-config": "git://github.com/dabapps/eslint-config.git",
-    "nsp": "=2.6.1"
+    "mocha": "=3.1.2",
+    "nsp": "=2.6.1",
+    "supertest": "=2.0.1"
   }
 }

server.js

@@ -6,6 +6,7 @@ const path = require('path');
 const winston = require('winston');
 const expressWinston = require('express-winston');
 
+const IN_TEST = process.env.NODE_ENV === 'true';
 const PORT = process.env.PORT || 5000;
 const SERVE_DIR = path.join(__dirname, '/site');
 const PAGE_404 = path.join(SERVE_DIR, '.404.html');
@@ -23,17 +24,20 @@ const app = express();
 
 app.use(compression({ level: 9 }));
 app.use(helmet());
-app.use(expressWinston.logger({
-  transports: [
-    new winston.transports.Console({
-      colorize: true
-    })
-  ],
-  meta: false,
-  msg: LOGGER_MESSAGE,
-  colorize: true,
-  statusLevels: true
-}));
+if (IN_TEST) {
+  console.log('Enabling Logging...');
+  app.use(expressWinston.logger({
+    transports: [
+      new winston.transports.Console({
+        colorize: true
+      })
+    ],
+    meta: false,
+    msg: LOGGER_MESSAGE,
+    colorize: true,
+    statusLevels: true
+  }));
+}
 
 app.use(function (request, response, next) {
   if (request.url.endsWith('/')) {
@@ -51,5 +55,9 @@ app.use(function (request, response, next) {
 
 
 const server = app.listen(PORT, function () {
-  console.log('Server started on port ' + server.address().port);
+  if (IN_TEST) {
+    console.log('Server started on port ' + server.address().port);
+  }
 });
+
+module.exports = server;

tests/server.test.js

@@ -0,0 +1,42 @@
+const request = require('supertest');
+const fs = require('fs');
+
+
+describe('Server', function () {
+  var server;
+  before(function () {
+    server = require('../server');
+  });
+
+  after(function () {
+    server.close();
+  });
+
+  it('responds to /', function (done) {
+    request(server)
+      .get('/')
+      .expect(200, done);
+  });
+
+  it('returns 404 on bad path', function (done) {
+    request(server)
+      .get('/foo/bar')
+      .expect(404, done);
+  });
+
+  describe('index route', function () {
+    const body = fs.readFileSync(__dirname + '/../site/index.html').toString();
+
+    it('should render /index.html', function (done) {
+      request(server)
+      .get('/index.html')
+      .expect(200, body, done);
+    });
+
+    it('should render /', function (done) {
+      request(server)
+      .get('/')
+      .expect(200, body, done);
+    });
+  });
+});