API v4 (WIP) (#10453)

API v4

test/api/unit/middlewares/maintenanceMode.test.js

@@ -0,0 +1,58 @@
+import {
+  generateRes,
+  generateReq,
+  generateNext,
+} from '../../../helpers/api-unit.helper';
+import nconf from 'nconf';
+import requireAgain from 'require-again';
+
+describe('maintenance mode middleware', () => {
+  let res, req, next;
+  let pathToMaintenanceModeMiddleware = '../../../../website/server/middlewares/maintenanceMode';
+
+  beforeEach(() => {
+    res = generateRes();
+    next = generateNext();
+  });
+
+  it('does not return 503 error when maintenance mode is off', () => {
+    req = generateReq();
+    sandbox.stub(nconf, 'get').withArgs('MAINTENANCE_MODE').returns('false');
+    let attachMaintenanceMode = requireAgain(pathToMaintenanceModeMiddleware);
+
+    attachMaintenanceMode(req, res, next);
+
+    expect(next).to.have.been.calledOnce;
+    expect(res.status).to.not.have.been.called;
+  });
+
+  it('returns 503 error when maintenance mode is on', () => {
+    req = generateReq();
+    sandbox.stub(nconf, 'get').withArgs('MAINTENANCE_MODE').returns('true');
+    let attachMaintenanceMode = requireAgain(pathToMaintenanceModeMiddleware);
+
+    attachMaintenanceMode(req, res, next);
+
+    expect(next).to.not.have.been.called;
+    expect(res.status).to.have.been.calledOnce;
+    expect(res.status).to.have.been.calledWith(503);
+  });
+
+  it('renders maintenance page when request type is HTML', () => {
+    req = generateReq({headers: {accept: 'text/html'}});
+    sandbox.stub(nconf, 'get').withArgs('MAINTENANCE_MODE').returns('true');
+    let attachMaintenanceMode = requireAgain(pathToMaintenanceModeMiddleware);
+
+    attachMaintenanceMode(req, res, next);
+    expect(res.render).to.have.been.calledOnce;
+  });
+
+  it('sends error message when request type is JSON', () => {
+    req = generateReq({headers: {accept: 'application/json'}});
+    sandbox.stub(nconf, 'get').withArgs('MAINTENANCE_MODE').returns('true');
+    let attachMaintenanceMode = requireAgain(pathToMaintenanceModeMiddleware);
+
+    attachMaintenanceMode(req, res, next);
+    expect(res.send).to.have.been.calledOnce;
+  });
+});