https://github.com/tjoskar/simple-spy

Yet another spy library
https://github.com/tjoskar/simple-spy

spy testing-tools

Last synced: 29 days ago
JSON representation

Yet another spy library

• Host: GitHub
• URL: https://github.com/tjoskar/simple-spy
• Owner: tjoskar
• License: mit
• Created: 2015-08-16T19:18:03.000Z (over 9 years ago)
• Default Branch: master
• Last Pushed: 2024-12-07T05:55:04.000Z (about 1 month ago)
• Last Synced: 2024-12-12T15:38:35.722Z (about 1 month ago)
• Topics: spy, testing-tools
• Language: TypeScript
• Size: 1.5 MB
• Stars: 13
• Watchers: 3
• Forks: 3
• Open Issues: 6
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# simple-spy [![Coverage Status](https://coveralls.io/repos/github/tjoskar/simple-spy/badge.svg?branch=master)](https://coveralls.io/github/tjoskar/simple-spy?branch=master)

> yet another spy library

## Install

```

$ npm install --save-dev simple-spy

```

## Usage

Live test the package and types in this Stackblitz container: https://stackblitz.com/edit/vitest-dev-vitest-ykic5d?file=test/basic.test.ts

```js

import { spy } from "simple-spy";

const fun = (...args) => console.log(...args);

const funSpy = spy(fun);

assert(funSpy.callCount === 0);

assert(funSpy.args.length === 0);

funSpy("Hello Dexter Morgan"); // Output:  Hello Dexter Morgan

assert(funSpy.callCount === 1);

assert(funSpy.args.length === 1);

assert(funSpy.args[0][0] === "Hello Dexter Morgan");

funSpy.reset();

funSpy(1, 2, 3); // Output:  1 2 3

assert(funSpy.callCount === 1);

assert(funSpy.args.length === 1);

assert(funSpy.args[0].length === 3);

assert(funSpy.args[0][0] === 1);

assert(funSpy.args[0][1] === 2);

assert(funSpy.args[0][2] === 3);

```

## API

### spy(fun)

#### fun

Type: `function`

## License

MIT © [Oskar Karlsson](https://tjoskar.dev)