app.use((req: PivotRequest, res: Response, next: Function) => {
   res.setHeader("X-Frame-Options", "DENY");
   res.setHeader("Content-Security-Policy", "frame-ancestors 'none'");
   next();
 });

 app.use((req: Request, res: Response, next: NextFunction) => {
   res.status(404).send({
     statusCode: 404,
     error: 'Route is not found'
   });
 });

app.use((err: any, req: Request, res: Response, next: Function) => {
  res.status(err.status || 500);
  res.send(errorLayout({ version: VERSION, title: 'Error' }, err.message));
});

 getIndex2:(req:Request, res:Response)=>{
     res.send('Hello world....'); //Compiles the file named "index" in the views directory (`/views`) using the view engine (Jade).
 },

 protected can(req: Request, res: Response) {
   res.json(req.session.isAdmin ? true : false);
 }

 protected current(req: Request, res: Response) {
   res.json(req.session.username || 'Sign In');
 }

describe('express tooling', () => {

  const loggerMock = undefined;

  const createRequestMock = (scopes: String[]): Request => ({
    get: (name: string) => name,
    $$tokeninfo: {
      scope: scopes
    }
  } as any as Request);

  const createResponseMock = (): Response => ({
    sendStatus: sinon.spy((status: string) => undefined)
  } as any as Response);

  describe('requireScopesMiddleware', () => {

    it('should reject request with 403 if required scopes are not met', (done) => {

      // given
      const next = sinon.spy();
      const requestMock = createRequestMock(['uid', 'test']);
      const responseMock = createResponseMock();
      const requiredScopes = ['uid', 'test', 'additional'];

      // when
      requireScopesMiddleware(requiredScopes)(requestMock, responseMock, next);

      // then
      setTimeout(() => {
        expect(responseMock.sendStatus).to.have.been.calledWith(403);
        done();
      });
    });

    it('should not call next() if required scopes are not met', (done) => {

      // given
      const next = sinon.spy();

      const requestMock = createRequestMock(['uid', 'test']);
      const requiredScopes = ['uid', 'test', 'additional'];

      // when
      requireScopesMiddleware(requiredScopes)(requestMock, createResponseMock(), next);

      // then
      setTimeout(() => {
        // tslint:disable-next-line
        expect(next).to.not.have.been.called;
        done();
      });
    });

    it('should call #next if required scopes are met', (done) => {

      // given
      const next = sinon.spy();

      const requestMock = createRequestMock(['uid', 'test']);
      const requiredScopes = ['uid', 'test'];

      // when
      requireScopesMiddleware(requiredScopes)(requestMock, createResponseMock(), next);

      // then
      setTimeout(() => {
        // tslint:disable-next-line
        expect(next).to.have.been.called;
        done();
      });
    });

    it('should call #next also if user has a superset of the required scopes', (done) => {

      // given
      const next = sinon.spy();

      const requestMock = createRequestMock(['uid', 'test', 'additionalScope']);
      const requiredScopes = ['uid', 'test'];

      // when
      requireScopesMiddleware(requiredScopes)(requestMock, createResponseMock(), next);

      // then
      setTimeout(() => {
        // tslint:disable-next-line
        expect(next).to.have.been.called;
        done();
      });
    });

    it('should call #next if precedence function returns true', (done) => {

      // given
      const next = sinon.spy();

      const requestMock = createRequestMock(['uid']);
      const requiredScopes = ['test'];

//.........这里部分代码省略.........

 .catch(err =>{
   this.log.error(err)
   res.json(err)
 })

 ccHelper.emailUs(req).then(s => {res.json(s)});