v3: port static pages, make routes lib more flexible, share middlewares between v2 and v3, port v1, simplify server.js

test/api/v3/unit/middlewares/cors.test.js

@@ -0,0 +1,40 @@
+/* eslint-disable global-require */
+import {
+  generateRes,
+  generateReq,
+  generateNext,
+} from '../../../../helpers/api-unit.helper';
+import cors from '../../../../../website/src/middlewares/api-v3/cors';
+
+describe('cors middleware', () => {
+  let res, req, next;
+
+  beforeEach(() => {
+    req = generateReq();
+    res = generateRes();
+    next = generateNext();
+  });
+
+  it('sets the correct headers', () => {
+    cors(req, res, next);
+    expect(res.set).to.have.been.calledWith({
+      'Access-Control-Allow-Origin': '*',
+      'Access-Control-Allow-Methods': 'OPTIONS,GET,POST,PUT,HEAD,DELETE',
+      'Access-Control-Allow-Headers': 'Content-Type,Accept,Content-Encoding,X-Requested-With,x-api-user,x-api-key',
+    });
+    expect(res.sendStatus).to.not.have.been.called;
+    expect(next).to.have.been.called.once;
+  });
+
+  it('responds immediately if method is OPTIONS', () => {
+    req.method = 'OPTIONS';
+    cors(req, res, next);
+    expect(res.set).to.have.been.calledWith({
+      'Access-Control-Allow-Origin': '*',
+      'Access-Control-Allow-Methods': 'OPTIONS,GET,POST,PUT,HEAD,DELETE',
+      'Access-Control-Allow-Headers': 'Content-Type,Accept,Content-Encoding,X-Requested-With,x-api-user,x-api-key',
+    });
+    expect(res.sendStatus).to.have.been.calledWith(200);
+    expect(next).to.not.have.been.called;
+  });
+});