xmlhttprequest-jest-mock

XMLHttpRequest mock module for Jest testing framework

Introduction

xmlhttprequest-jest-mock is a mocking module for native browser XMLHttpRequest function.

• custom data inject for testing request responses
• full control over request functions and properties
• mocked native functions to spy on inner functions/properties of request

Development Setup

``` bashnpm installnpm test:unit:Devnpm build:Dev ```

Usage

Please refer to __tests__/example/example.test.js for a sample usage.

API

mainMock

• type: Function
• returns: mockObject
• description: This is the main function that will be returned as a result of your require/import statement. Executing it will setup necessary steps to mock native XMLHttpRequest. Returned mockObject is key for further testing.

mockObject

• type: object
• props:

- `setData`: sets data to return on request
    - type: `Function`
    - arguments:
        - `newData`: data to be return on request 
          - type: `any`
        - `newStatus`: new status for response
          - type: `number`
          - default: `200`
        - `newReadyState`: new readystate code for response
          - type: `number`
          - default: `4`
- `cleanUp`: clean up mocked implementation 
    - type: `Function`
- [`open`, `onreadystatechange`, `addEventListener`, `send`]: spyed on native functions of `XMLHttpRequest`
    - types: `Function`

• description: Object with various methods for testing.

Contribution

Please fell free to contact for any updates/bugs.

License

MIT Erdem Bircan (c) 2019-present