https://github.com/vhoyer/lazy-let

An utility for using lazy variables in a BDD test environment with nested `describe`s, and `it`s.
https://github.com/vhoyer/lazy-let

bdd hacktoberfest testing

Last synced: 1 day ago
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An utility for using lazy variables in a BDD test environment with nested `describe`s, and `it`s.

• Host: GitHub
• URL: https://github.com/vhoyer/lazy-let
• Owner: vhoyer
• License: mit
• Created: 2022-08-18T13:18:43.000Z (over 2 years ago)
• Default Branch: main
• Last Pushed: 2023-04-20T14:52:05.000Z (almost 2 years ago)
• Last Synced: 2025-02-05T15:17:37.819Z (10 days ago)
• Topics: bdd, hacktoberfest, testing
• Language: TypeScript
• Homepage:
• Size: 1.82 MB
• Stars: 2
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# `@vhoyer/lazy-let`

[![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/vhoyer/lazy-let/ci.yml?label=ci)](https://github.com/vhoyer/lazy-let)

[![bundle size](https://img.shields.io/bundlephobia/min/@vhoyer/lazy-let)](https://bundlephobia.com/package/@vhoyer/lazy-let)

[![npm](https://img.shields.io/npm/dw/@vhoyer/lazy-let?label=npm%20downloads)](https://www.npmjs.com/package/@vhoyer/lazy-let)

An utility for using lazy variables in a BDD test environment with nested `describe`s, and `it`s.

## Installation

```bash

npm install --save-dev @vhoyer/lazy-let

```

## Usage

```javascript

import { describe, it, expect, afterEach } from 'vitest';

import { lazylet } from '@vhoyer/lazy-let';

import { render } from '@testing-library/vue';

import MyFooter from '../my-footer.vue';

describe('dummy test', () => {

  const $0 = lazylet(afterEach, {

    value: () => 1,

    wrapper: () => render(MyFooter, {

      props: $0.props, // defaults to undefined

    }),

  });

  it('renders', () => {

    expect($0.wrapper.container).toMatchSnapshot();

  });

  describe('change props', () => {

    const $1 = $0(beforeEach, {

      props: () => ({ prop: $1.value }),

      propsAlternative: ($) => ({ prop: $.value }),

    });

    it('renders different', () => {

      expect($1.wrapper.container).toMatchSnapshot();

    });

  });

});

```