Test interceptor

• nest-api-example

  4 72 9.7 TypeScript

  Example of an Restful API with Nest.js and TypeORM

Example https://github.com/leosuncin/nest-api-example/blob/master/src/auth/interceptors/token.interceptor.spec.ts

• jest-mock-extended

  3 781 2.8 TypeScript

  Type safe mocking extensions for Jest https://www.npmjs.com/package/jest-mock-extended

You can use something like jest-mock-extended or @golevelup/ts-jest to mock it, and whether your interceptor has dependencies or not, can be more complex or simpler how you instance it.

• SurveyJS

  surveyjs.io sponsored

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

• testing-nestjs

  7 2,775 6.7 TypeScript

  A repository to show off to the community methods of testing NestJS including Unit Tests, Integration Tests, E2E Tests, pipes, filters, interceptors, GraphQL, Mongo, TypeORM, and more!

Example https://github.com/jmcdo29/testing-nestjs/blob/8519ae7043d1dde5ae12a5d8f8ab02ea3c3c2fcf/apps/complex-sample/src/cat/cat.interceptor.spec.ts

• node-mocks-http

  3 743 6.5 JavaScript

  Mock 'http' objects for testing Express routing functions

It depends of how you mock the request and response that you passed to ExecutionContext because the response should be modified. I recommend you to use node-mocks-http

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