Function stubExpressContext

packages/testlab/src/shot.ts:95–135

(
  requestOptions: ShotRequestOptions = {url: '/'},
)

}

export function stubExpressContext(
  requestOptions: ShotRequestOptions = {url: '/'},
): ExpressContextStub {
  const app = express();

  const request = new ShotRequest(requestOptions) as express.Request;
  // mix in Express Request API
  const RequestApi = (express as any).request;
  for (const key of Object.getOwnPropertyNames(RequestApi)) {
    Object.defineProperty(
      request,
      key,
      Object.getOwnPropertyDescriptor(RequestApi, key)!,
    );
  }
  request.app = app;
  request.originalUrl = request.url;
  parseQuery(request);

  let response: express.Response | undefined;
  const result = new Promise<ObservedResponse>(resolve => {
    response = new ShotResponse(request, resolve) as express.Response;
    // mix in Express Response API
    Object.assign(response, (express as any).response);
    const ResponseApi = (express as any).response;
    for (const key of Object.getOwnPropertyNames(ResponseApi)) {
      Object.defineProperty(
        response,
        key,
        Object.getOwnPropertyDescriptor(ResponseApi, key)!,
      );
    }
    response.app = app;
    (response as any).req = request;
    (request as any).res = response;
  });

  const context = {app, request, response: response!, result};
  defineCustomContextInspect(context, requestOptions);
  return context;
}

/**
 * Use `express.query` to parse the query string into `request.query` object