https://github.com/aackerman/injected-loader

https://github.com/aackerman/injected-loader

Last synced: 12 months ago
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• Host: GitHub
• URL: https://github.com/aackerman/injected-loader
• Owner: aackerman
• Created: 2015-04-06T01:29:56.000Z (about 11 years ago)
• Default Branch: master
• Last Pushed: 2015-05-30T16:31:37.000Z (about 11 years ago)
• Last Synced: 2024-08-09T16:54:55.098Z (almost 2 years ago)
• Language: JavaScript
• Size: 168 KB
• Stars: 2
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
## injected-loader [![Build Status](https://travis-ci.org/aackerman/injected-loader.png?branch=master)](https://travis-ci.org/aackerman/injected-loader)

Webpack dependency injection for testing

### Usage

```js

// my_great_method.js

export default function() { return false; };

```

```js

// great_method_proxy.js

import MyGreatMethod from './my_great_method.js';

export default function(input) {

  return MyGreatMethod(input);

}

```

```js

// import/require a dependency with the `injected` loader

// a function is returned that allows injecting dependecies to override

import GreatMethodProxyInjector from 'injected!./great_method_proxy';

var MockGreatMethod = jasmine.createSpy().and.returnValue(true);

// invoke the function with an object, keys must match

// import/require statements, the key './my_great_method.js'

// matches the import statement in great_method_proxy.js

let GreatMethodProxy = GreatMethodProxyInjector({

  './my_great_method.js': MockGreatMethod

});

describe('GreatMethodProxy', function(){

  it('calls our mocked method', function(){

    // our mocked method returns true instead of using the

    // original method and returning false

    expect(GreatMethodProxy()).toBe(true);

    expect(MockGreatMethod).toHaveBeenCalled();

  });

});

```