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https://github.com/dword-design/mock-argv

Temporarily overrides the command line arguments. This is useful for testing.
https://github.com/dword-design/mock-argv

args argument-parser arguments argv cli command-line command-line-tool coverage javascript jest mocha mock node nodejs npm npm-package replace restore test testing

Last synced: about 2 months ago
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Temporarily overrides the command line arguments. This is useful for testing.

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# mock-argv



npm version
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Temporarily overrides the command line arguments. This is useful for testing.

## Install

```bash
# npm
$ npm install mock-argv

# Yarn
$ yarn add mock-argv
```

## Usage

```js
const mockArgv = require('mock-argv')

test('works', async () => {

mockArgv(['foo', 'bar'], () => {
//> process.argv = [
//> 'path-to-node',
//> 'path-to-current-script',
//> 'foo',
//> 'bar',
//> ]
})

//> process.argv = ['path-to-node', 'path-to-current-script', '...other-params']

// Also works for async functions
})
```

## Contribute

Are you missing something or want to contribute? Feel free to file an [issue](https://github.com/dword-design/mock-argv/issues) or a [pull request](https://github.com/dword-design/mock-argv/pulls)! ⚙️

## Support

Hey, I am Sebastian Landwehr, a freelance web developer, and I love developing web apps and open source packages. If you want to support me so that I can keep packages up to date and build more helpful tools, you can donate here:



Buy Me a Coffee
 If you want to send me a one time donation. The coffee is pretty good 😊.


PayPal
 Also for one time donations if you like PayPal.


Patreon
 Here you can support me regularly, which is great so I can steadily work on projects.

Thanks a lot for your support! ❤️

## See also

* [output-files](https://github.com/dword-design/output-files): Output a tree of files and directories by providing an object. Especially useful for testing with real files.
* [with-local-tmp-dir](https://github.com/dword-design/with-local-tmp-dir): Creates a temporary folder inside cwd, cds inside the folder, runs a function, and removes the folder. Especially useful for testing.
* [expect-mocha-image-snapshot](https://github.com/dword-design/expect-mocha-image-snapshot): A wrapper around jest-image-snapshot that makes it compatible to Mocha.
* [jest-image-matcher](https://github.com/dword-design/jest-image-matcher): A Jest matcher for image comparisons based on pixelmatch. Can also be used with Mocha. Useful for visual regression testing.
* [unify-mocha-output](https://github.com/dword-design/unify-mocha-output): Adjusts a Mocha output so that it is consistent across platforms and can be used for snapshot testing. Basically adjusts the checkmark symbol and removes time values.

## License

[MIT License](https://opensource.org/license/mit/) © [Sebastian Landwehr](https://sebastianlandwehr.com)