Added a server testmode to help test behaviour

- A simple way to test behaviours without having to do complex interactions to e.g. generate errors or slow requests
- Makes it easier to test the new shutdown behaviour, among other things

core/server/ghost-server.js

@@ -128,6 +128,13 @@ class GhostServer {
             process
                 .removeAllListeners('SIGINT').on('SIGINT', shutdown)
                 .removeAllListeners('SIGTERM').on('SIGTERM', shutdown);
+
+            if (config.get('server:testmode')) {
+                // Debug code
+                setInterval(() => self.httpServer.getConnections(
+                    (err, connections) => logging.warn(`${connections} connections currently open`)
+                ), 5000);
+            }
         });
     }
 

core/server/web/api/app.js

@@ -1,4 +1,5 @@
 const debug = require('ghost-ignition').debug('web:api:default:app');
+const config = require('../../../shared/config');
 const express = require('../../../shared/express');
 const urlUtils = require('../../../shared/url-utils');
 const errorHandler = require('../shared/middlewares/error-handler');
@@ -7,6 +8,10 @@ module.exports = function setupApiApp() {
     debug('Parent API setup start');
     const apiApp = express('api');
 
+    if (config.get('server:testmode')) {
+        apiApp.use(require('./testmode')());
+    }
+
     // Mount different API versions
     apiApp.use(urlUtils.getVersionPath({version: 'v2', type: 'content'}), require('./v2/content/app')());
     apiApp.use(urlUtils.getVersionPath({version: 'v2', type: 'admin'}), require('./v2/admin/app')());

core/server/web/api/testmode.js

@@ -0,0 +1,24 @@
+const logging = require('../../../shared/logging');
+const express = require('../../../shared/express');
+
+/** A bunch of helper routes for testing purposes */
+module.exports = function testRoutes() {
+    const router = express.Router('canary admin');
+
+    router.get('/500', (req, res) => res.sendStatus(500));
+    router.get('/400', (req, res) => res.sendStatus(400));
+    router.get('/404', (req, res) => res.sendStatus(404));
+    router.get('/slow/:timeout', (req, res) => {
+        if (!req.params || !req.params.timeout) {
+            return res.sendStatus(200);
+        }
+        const timeout = req.params.timeout * 1000;
+        logging.info('Begin Slow Request with timeout of', timeout);
+        setTimeout(() => {
+            logging.info('End Slow Request', timeout);
+            res.sendStatus(200);
+        }, timeout);
+    });
+
+    return router;
+};