1492 lines
72 KiB
Markdown
1492 lines
72 KiB
Markdown
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<div align="center">
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<h1>jest-dom</h1>
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<a href="https://www.emojione.com/emoji/1f989">
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<img
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height="80"
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width="80"
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alt="owl"
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src="https://raw.githubusercontent.com/testing-library/jest-dom/main/other/owl.png"
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/>
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</a>
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<p>Custom jest matchers to test the state of the DOM</p>
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</div>
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---
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<!-- prettier-ignore-start -->
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[![Build Status][build-badge]][build]
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[![Code Coverage][coverage-badge]][coverage]
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[![version][version-badge]][package] [![downloads][downloads-badge]][npmtrends]
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[![MIT License][license-badge]][license]
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[![All Contributors](https://img.shields.io/badge/all_contributors-28-orange.svg?style=flat-square)](#contributors-)
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[![PRs Welcome][prs-badge]][prs] [![Code of Conduct][coc-badge]][coc]
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[![Discord][discord-badge]][discord]
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[![Watch on GitHub][github-watch-badge]][github-watch]
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[![Star on GitHub][github-star-badge]][github-star]
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[![Tweet][twitter-badge]][twitter]
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<!-- prettier-ignore-end -->
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## The problem
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You want to use [jest][] to write tests that assert various things about the
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state of a DOM. As part of that goal, you want to avoid all the repetitive
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patterns that arise in doing so. Checking for an element's attributes, its text
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content, its css classes, you name it.
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## This solution
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The `@testing-library/jest-dom` library provides a set of custom jest matchers
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that you can use to extend jest. These will make your tests more declarative,
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clear to read and to maintain.
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## Table of Contents
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<!-- START doctoc generated TOC please keep comment here to allow auto update -->
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<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
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- [Installation](#installation)
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- [Usage](#usage)
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- [With TypeScript](#with-typescript)
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- [Custom matchers](#custom-matchers)
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- [`toBeDisabled`](#tobedisabled)
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- [`toBeEnabled`](#tobeenabled)
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- [`toBeEmptyDOMElement`](#tobeemptydomelement)
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- [`toBeInTheDocument`](#tobeinthedocument)
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- [`toBeInvalid`](#tobeinvalid)
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- [`toBeRequired`](#toberequired)
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- [`toBeValid`](#tobevalid)
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- [`toBeVisible`](#tobevisible)
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- [`toContainElement`](#tocontainelement)
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- [`toContainHTML`](#tocontainhtml)
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- [`toHaveAccessibleDescription`](#tohaveaccessibledescription)
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- [`toHaveAccessibleErrorMessage`](#tohaveaccessibleerrormessage)
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- [`toHaveAccessibleName`](#tohaveaccessiblename)
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- [`toHaveAttribute`](#tohaveattribute)
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- [`toHaveClass`](#tohaveclass)
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- [`toHaveFocus`](#tohavefocus)
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- [`toHaveFormValues`](#tohaveformvalues)
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- [`toHaveStyle`](#tohavestyle)
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- [`toHaveTextContent`](#tohavetextcontent)
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- [`toHaveValue`](#tohavevalue)
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- [`toHaveDisplayValue`](#tohavedisplayvalue)
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- [`toBeChecked`](#tobechecked)
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- [`toBePartiallyChecked`](#tobepartiallychecked)
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- [`toHaveErrorMessage`](#tohaveerrormessage)
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- [Deprecated matchers](#deprecated-matchers)
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- [`toBeEmpty`](#tobeempty)
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- [`toBeInTheDOM`](#tobeinthedom)
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- [`toHaveDescription`](#tohavedescription)
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- [Inspiration](#inspiration)
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- [Other Solutions](#other-solutions)
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- [Guiding Principles](#guiding-principles)
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- [Contributors](#contributors)
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- [LICENSE](#license)
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<!-- END doctoc generated TOC please keep comment here to allow auto update -->
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## Installation
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This module is distributed via [npm][npm] which is bundled with [node][node] and
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should be installed as one of your project's `devDependencies`:
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```
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npm install --save-dev @testing-library/jest-dom
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```
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or
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for installation with [yarn](https://yarnpkg.com/) package manager.
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```
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yarn add --dev @testing-library/jest-dom
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```
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> Note: We also recommend installing the jest-dom eslint plugin which provides
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> auto-fixable lint rules that prevent false positive tests and improve test
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> readability by ensuring you are using the right matchers in your tests. More
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> details can be found at
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> [eslint-plugin-jest-dom](https://github.com/testing-library/eslint-plugin-jest-dom).
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## Usage
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Import `@testing-library/jest-dom` once (for instance in your [tests setup
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file][]) and you're good to go:
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[tests setup file]:
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https://jestjs.io/docs/en/configuration.html#setupfilesafterenv-array
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```javascript
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// In your own jest-setup.js (or any other name)
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import '@testing-library/jest-dom'
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// In jest.config.js add (if you haven't already)
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setupFilesAfterEnv: ['<rootDir>/jest-setup.js']
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```
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### With TypeScript
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If you're using TypeScript, make sure your setup file is a `.ts` and not a `.js`
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to include the necessary types.
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You will also need to include your setup file in your `tsconfig.json` if you
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haven't already:
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```json
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// In tsconfig.json
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"include": [
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...
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"./jest-setup.ts"
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],
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```
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## Custom matchers
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`@testing-library/jest-dom` can work with any library or framework that returns
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DOM elements from queries. The custom matcher examples below are written using
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matchers from `@testing-library`'s suite of libraries (e.g. `getByTestId`,
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`queryByTestId`, `getByText`, etc.)
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### `toBeDisabled`
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```typescript
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toBeDisabled()
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```
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This allows you to check whether an element is disabled from the user's
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perspective. According to the specification, the following elements can be
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[disabled](https://html.spec.whatwg.org/multipage/semantics-other.html#disabled-elements):
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`button`, `input`, `select`, `textarea`, `optgroup`, `option`, `fieldset`, and
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custom elements.
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This custom matcher considers an element as disabled if the element is among the
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types of elements that can be disabled (listed above), and the `disabled`
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attribute is present. It will also consider the element as disabled if it's
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inside a parent form element that supports being disabled and has the `disabled`
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attribute present.
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#### Examples
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```html
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<button data-testid="button" type="submit" disabled>submit</button>
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<fieldset disabled><input type="text" data-testid="input" /></fieldset>
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<a href="..." disabled>link</a>
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```
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```javascript
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expect(getByTestId('button')).toBeDisabled()
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expect(getByTestId('input')).toBeDisabled()
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expect(getByText('link')).not.toBeDisabled()
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```
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> This custom matcher does not take into account the presence or absence of the
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> `aria-disabled` attribute. For more on why this is the case, check
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> [#144](https://github.com/testing-library/jest-dom/issues/144).
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<hr />
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### `toBeEnabled`
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```typescript
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toBeEnabled()
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```
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This allows you to check whether an element is not disabled from the user's
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perspective.
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It works like `not.toBeDisabled()`. Use this matcher to avoid double negation in
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your tests.
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> This custom matcher does not take into account the presence or absence of the
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> `aria-disabled` attribute. For more on why this is the case, check
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> [#144](https://github.com/testing-library/jest-dom/issues/144).
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<hr />
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### `toBeEmptyDOMElement`
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```typescript
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toBeEmptyDOMElement()
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```
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This allows you to assert whether an element has no visible content for the
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user. It ignores comments but will fail if the element contains white-space.
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#### Examples
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```html
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<span data-testid="not-empty"><span data-testid="empty"></span></span>
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<span data-testid="with-whitespace"> </span>
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<span data-testid="with-comment"><!-- comment --></span>
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```
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```javascript
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expect(getByTestId('empty')).toBeEmptyDOMElement()
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expect(getByTestId('not-empty')).not.toBeEmptyDOMElement()
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expect(getByTestId('with-whitespace')).not.toBeEmptyDOMElement()
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```
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<hr />
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### `toBeInTheDocument`
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```typescript
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toBeInTheDocument()
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```
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This allows you to assert whether an element is present in the document or not.
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#### Examples
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```html
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<span data-testid="html-element"><span>Html Element</span></span>
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<svg data-testid="svg-element"></svg>
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```
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```javascript
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expect(
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getByTestId(document.documentElement, 'html-element'),
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).toBeInTheDocument()
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expect(getByTestId(document.documentElement, 'svg-element')).toBeInTheDocument()
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expect(
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queryByTestId(document.documentElement, 'does-not-exist'),
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).not.toBeInTheDocument()
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```
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> Note: This matcher does not find detached elements. The element must be added
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> to the document to be found by toBeInTheDocument. If you desire to search in a
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> detached element please use: [`toContainElement`](#tocontainelement)
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<hr />
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### `toBeInvalid`
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```typescript
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toBeInvalid()
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```
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This allows you to check if an element, is currently invalid.
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An element is invalid if it has an
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[`aria-invalid` attribute](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/ARIA_Techniques/Using_the_aria-invalid_attribute)
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with no value or a value of `"true"`, or if the result of
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[`checkValidity()`](https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/HTML5/Constraint_validation)
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is `false`.
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#### Examples
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```html
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<input data-testid="no-aria-invalid" />
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<input data-testid="aria-invalid" aria-invalid />
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<input data-testid="aria-invalid-value" aria-invalid="true" />
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<input data-testid="aria-invalid-false" aria-invalid="false" />
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<form data-testid="valid-form">
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<input />
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</form>
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<form data-testid="invalid-form">
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<input required />
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</form>
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```
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```javascript
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expect(getByTestId('no-aria-invalid')).not.toBeInvalid()
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expect(getByTestId('aria-invalid')).toBeInvalid()
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expect(getByTestId('aria-invalid-value')).toBeInvalid()
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expect(getByTestId('aria-invalid-false')).not.toBeInvalid()
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expect(getByTestId('valid-form')).not.toBeInvalid()
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expect(getByTestId('invalid-form')).toBeInvalid()
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```
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<hr />
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### `toBeRequired`
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```typescript
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toBeRequired()
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```
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This allows you to check if a form element is currently required.
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An element is required if it is having a `required` or `aria-required="true"`
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attribute.
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#### Examples
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```html
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<input data-testid="required-input" required />
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<input data-testid="aria-required-input" aria-required="true" />
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<input data-testid="conflicted-input" required aria-required="false" />
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<input data-testid="aria-not-required-input" aria-required="false" />
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<input data-testid="optional-input" />
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<input data-testid="unsupported-type" type="image" required />
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<select data-testid="select" required></select>
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<textarea data-testid="textarea" required></textarea>
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<div data-testid="supported-role" role="tree" required></div>
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<div data-testid="supported-role-aria" role="tree" aria-required="true"></div>
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```
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```javascript
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expect(getByTestId('required-input')).toBeRequired()
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expect(getByTestId('aria-required-input')).toBeRequired()
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expect(getByTestId('conflicted-input')).toBeRequired()
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expect(getByTestId('aria-not-required-input')).not.toBeRequired()
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expect(getByTestId('optional-input')).not.toBeRequired()
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expect(getByTestId('unsupported-type')).not.toBeRequired()
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expect(getByTestId('select')).toBeRequired()
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expect(getByTestId('textarea')).toBeRequired()
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expect(getByTestId('supported-role')).not.toBeRequired()
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expect(getByTestId('supported-role-aria')).toBeRequired()
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```
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<hr />
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### `toBeValid`
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|
|
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```typescript
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toBeValid()
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```
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|
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This allows you to check if the value of an element, is currently valid.
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|
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An element is valid if it has no
|
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[`aria-invalid` attribute](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/ARIA_Techniques/Using_the_aria-invalid_attribute)s
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|||
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or an attribute value of `"false"`. The result of
|
|||
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[`checkValidity()`](https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/HTML5/Constraint_validation)
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|||
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must also be `true` if it's a form element.
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|
|
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#### Examples
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|||
|
|
|||
|
```html
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<input data-testid="no-aria-invalid" />
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<input data-testid="aria-invalid" aria-invalid />
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<input data-testid="aria-invalid-value" aria-invalid="true" />
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<input data-testid="aria-invalid-false" aria-invalid="false" />
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|
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<form data-testid="valid-form">
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<input />
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</form>
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|
|
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<form data-testid="invalid-form">
|
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<input required />
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</form>
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```
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|
|||
|
```javascript
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expect(getByTestId('no-aria-invalid')).toBeValid()
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expect(getByTestId('aria-invalid')).not.toBeValid()
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expect(getByTestId('aria-invalid-value')).not.toBeValid()
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expect(getByTestId('aria-invalid-false')).toBeValid()
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|||
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expect(getByTestId('valid-form')).toBeValid()
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expect(getByTestId('invalid-form')).not.toBeValid()
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```
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|||
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<hr />
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### `toBeVisible`
|
|||
|
|
|||
|
```typescript
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|||
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toBeVisible()
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```
|
|||
|
|
|||
|
This allows you to check if an element is currently visible to the user.
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|||
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|
|||
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An element is visible if **all** the following conditions are met:
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|||
|
|
|||
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- it is present in the document
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|||
|
- it does not have its css property `display` set to `none`
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|||
|
- it does not have its css property `visibility` set to either `hidden` or
|
|||
|
`collapse`
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|||
|
- it does not have its css property `opacity` set to `0`
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|||
|
- its parent element is also visible (and so on up to the top of the DOM tree)
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|||
|
- it does not have the
|
|||
|
[`hidden`](https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/hidden)
|
|||
|
attribute
|
|||
|
- if `<details />` it has the `open` attribute
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<div data-testid="zero-opacity" style="opacity: 0">Zero Opacity Example</div>
|
|||
|
<div data-testid="visibility-hidden" style="visibility: hidden">
|
|||
|
Visibility Hidden Example
|
|||
|
</div>
|
|||
|
<div data-testid="display-none" style="display: none">Display None Example</div>
|
|||
|
<div style="opacity: 0">
|
|||
|
<span data-testid="hidden-parent">Hidden Parent Example</span>
|
|||
|
</div>
|
|||
|
<div data-testid="visible">Visible Example</div>
|
|||
|
<div data-testid="hidden-attribute" hidden>Hidden Attribute Example</div>
|
|||
|
<details>
|
|||
|
<summary>Title of hidden text</summary>
|
|||
|
Hidden Details Example
|
|||
|
</details>
|
|||
|
<details open>
|
|||
|
<summary>Title of visible text</summary>
|
|||
|
<div>Visible Details Example</div>
|
|||
|
</details>
|
|||
|
```
|
|||
|
|
|||
|
```javascript
|
|||
|
expect(getByText('Zero Opacity Example')).not.toBeVisible()
|
|||
|
expect(getByText('Visibility Hidden Example')).not.toBeVisible()
|
|||
|
expect(getByText('Display None Example')).not.toBeVisible()
|
|||
|
expect(getByText('Hidden Parent Example')).not.toBeVisible()
|
|||
|
expect(getByText('Visible Example')).toBeVisible()
|
|||
|
expect(getByText('Hidden Attribute Example')).not.toBeVisible()
|
|||
|
expect(getByText('Hidden Details Example')).not.toBeVisible()
|
|||
|
expect(getByText('Visible Details Example')).toBeVisible()
|
|||
|
```
|
|||
|
|
|||
|
<hr />
|
|||
|
|
|||
|
### `toContainElement`
|
|||
|
|
|||
|
```typescript
|
|||
|
toContainElement(element: HTMLElement | SVGElement | null)
|
|||
|
```
|
|||
|
|
|||
|
This allows you to assert whether an element contains another element as a
|
|||
|
descendant or not.
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<span data-testid="ancestor"><span data-testid="descendant"></span></span>
|
|||
|
```
|
|||
|
|
|||
|
```javascript
|
|||
|
const ancestor = getByTestId('ancestor')
|
|||
|
const descendant = getByTestId('descendant')
|
|||
|
const nonExistantElement = getByTestId('does-not-exist')
|
|||
|
|
|||
|
expect(ancestor).toContainElement(descendant)
|
|||
|
expect(descendant).not.toContainElement(ancestor)
|
|||
|
expect(ancestor).not.toContainElement(nonExistantElement)
|
|||
|
```
|
|||
|
|
|||
|
<hr />
|
|||
|
|
|||
|
### `toContainHTML`
|
|||
|
|
|||
|
```typescript
|
|||
|
toContainHTML(htmlText: string)
|
|||
|
```
|
|||
|
|
|||
|
Assert whether a string representing a HTML element is contained in another
|
|||
|
element. The string should contain valid html, and not any incomplete html.
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<span data-testid="parent"><span data-testid="child"></span></span>
|
|||
|
```
|
|||
|
|
|||
|
```javascript
|
|||
|
// These are valid uses
|
|||
|
expect(getByTestId('parent')).toContainHTML('<span data-testid="child"></span>')
|
|||
|
expect(getByTestId('parent')).toContainHTML('<span data-testid="child" />')
|
|||
|
expect(getByTestId('parent')).not.toContainHTML('<br />')
|
|||
|
|
|||
|
// These won't work
|
|||
|
expect(getByTestId('parent')).toContainHTML('data-testid="child"')
|
|||
|
expect(getByTestId('parent')).toContainHTML('data-testid')
|
|||
|
expect(getByTestId('parent')).toContainHTML('</span>')
|
|||
|
```
|
|||
|
|
|||
|
> Chances are you probably do not need to use this matcher. We encourage testing
|
|||
|
> from the perspective of how the user perceives the app in a browser. That's
|
|||
|
> why testing against a specific DOM structure is not advised.
|
|||
|
>
|
|||
|
> It could be useful in situations where the code being tested renders html that
|
|||
|
> was obtained from an external source, and you want to validate that that html
|
|||
|
> code was used as intended.
|
|||
|
>
|
|||
|
> It should not be used to check DOM structure that you control. Please use
|
|||
|
> [`toContainElement`](#tocontainelement) instead.
|
|||
|
|
|||
|
<hr />
|
|||
|
|
|||
|
### `toHaveAccessibleDescription`
|
|||
|
|
|||
|
```typescript
|
|||
|
toHaveAccessibleDescription(expectedAccessibleDescription?: string | RegExp)
|
|||
|
```
|
|||
|
|
|||
|
This allows you to assert that an element has the expected
|
|||
|
[accessible description](https://w3c.github.io/accname/).
|
|||
|
|
|||
|
You can pass the exact string of the expected accessible description, or you can
|
|||
|
make a partial match passing a regular expression, or by using
|
|||
|
[expect.stringContaining](https://jestjs.io/docs/en/expect.html#expectnotstringcontainingstring)/[expect.stringMatching](https://jestjs.io/docs/en/expect.html#expectstringmatchingstring-regexp).
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<a
|
|||
|
data-testid="link"
|
|||
|
href="/"
|
|||
|
aria-label="Home page"
|
|||
|
title="A link to start over"
|
|||
|
>Start</a
|
|||
|
>
|
|||
|
<a data-testid="extra-link" href="/about" aria-label="About page">About</a>
|
|||
|
<img src="avatar.jpg" data-testid="avatar" alt="User profile pic" />
|
|||
|
<img
|
|||
|
src="logo.jpg"
|
|||
|
data-testid="logo"
|
|||
|
alt="Company logo"
|
|||
|
aria-describedby="t1"
|
|||
|
/>
|
|||
|
<span id="t1" role="presentation">The logo of Our Company</span>
|
|||
|
```
|
|||
|
|
|||
|
```js
|
|||
|
expect(getByTestId('link')).toHaveAccessibleDescription()
|
|||
|
expect(getByTestId('link')).toHaveAccessibleDescription('A link to start over')
|
|||
|
expect(getByTestId('link')).not.toHaveAccessibleDescription('Home page')
|
|||
|
expect(getByTestId('extra-link')).not.toHaveAccessibleDescription()
|
|||
|
expect(getByTestId('avatar')).not.toHaveAccessibleDescription()
|
|||
|
expect(getByTestId('logo')).not.toHaveAccessibleDescription('Company logo')
|
|||
|
expect(getByTestId('logo')).toHaveAccessibleDescription(
|
|||
|
'The logo of Our Company',
|
|||
|
)
|
|||
|
```
|
|||
|
|
|||
|
<hr />
|
|||
|
|
|||
|
### `toHaveAccessibleErrorMessage`
|
|||
|
|
|||
|
```typescript
|
|||
|
toHaveAccessibleErrorMessage(expectedAccessibleErrorMessage?: string | RegExp)
|
|||
|
```
|
|||
|
|
|||
|
This allows you to assert that an element has the expected
|
|||
|
[accessible error message](https://w3c.github.io/aria/#aria-errormessage).
|
|||
|
|
|||
|
You can pass the exact string of the expected accessible error message.
|
|||
|
Alternatively, you can perform a partial match by passing a regular expression
|
|||
|
or by using
|
|||
|
[expect.stringContaining](https://jestjs.io/docs/en/expect.html#expectnotstringcontainingstring)/[expect.stringMatching](https://jestjs.io/docs/en/expect.html#expectstringmatchingstring-regexp).
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<input
|
|||
|
aria-label="Has Error"
|
|||
|
aria-invalid="true"
|
|||
|
aria-errormessage="error-message"
|
|||
|
/>
|
|||
|
<div id="error-message" role="alert">This field is invalid</div>
|
|||
|
|
|||
|
<input aria-label="No Error Attributes" />
|
|||
|
<input
|
|||
|
aria-label="Not Invalid"
|
|||
|
aria-invalid="false"
|
|||
|
aria-errormessage="error-message"
|
|||
|
/>
|
|||
|
```
|
|||
|
|
|||
|
```js
|
|||
|
// Inputs with Valid Error Messages
|
|||
|
expect(getByRole('textbox', {name: 'Has Error'})).toHaveAccessibleErrorMessage()
|
|||
|
expect(getByRole('textbox', {name: 'Has Error'})).toHaveAccessibleErrorMessage(
|
|||
|
'This field is invalid',
|
|||
|
)
|
|||
|
expect(getByRole('textbox', {name: 'Has Error'})).toHaveAccessibleErrorMessage(
|
|||
|
/invalid/i,
|
|||
|
)
|
|||
|
expect(
|
|||
|
getByRole('textbox', {name: 'Has Error'}),
|
|||
|
).not.toHaveAccessibleErrorMessage('This field is absolutely correct!')
|
|||
|
|
|||
|
// Inputs without Valid Error Messages
|
|||
|
expect(
|
|||
|
getByRole('textbox', {name: 'No Error Attributes'}),
|
|||
|
).not.toHaveAccessibleErrorMessage()
|
|||
|
|
|||
|
expect(
|
|||
|
getByRole('textbox', {name: 'Not Invalid'}),
|
|||
|
).not.toHaveAccessibleErrorMessage()
|
|||
|
```
|
|||
|
|
|||
|
<hr />
|
|||
|
|
|||
|
### `toHaveAccessibleName`
|
|||
|
|
|||
|
```typescript
|
|||
|
toHaveAccessibleName(expectedAccessibleName?: string | RegExp)
|
|||
|
```
|
|||
|
|
|||
|
This allows you to assert that an element has the expected
|
|||
|
[accessible name](https://w3c.github.io/accname/). It is useful, for instance,
|
|||
|
to assert that form elements and buttons are properly labelled.
|
|||
|
|
|||
|
You can pass the exact string of the expected accessible name, or you can make a
|
|||
|
partial match passing a regular expression, or by using
|
|||
|
[expect.stringContaining](https://jestjs.io/docs/en/expect.html#expectnotstringcontainingstring)/[expect.stringMatching](https://jestjs.io/docs/en/expect.html#expectstringmatchingstring-regexp).
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<img data-testid="img-alt" src="" alt="Test alt" />
|
|||
|
<img data-testid="img-empty-alt" src="" alt="" />
|
|||
|
<svg data-testid="svg-title"><title>Test title</title></svg>
|
|||
|
<button data-testid="button-img-alt"><img src="" alt="Test" /></button>
|
|||
|
<p><img data-testid="img-paragraph" src="" alt="" /> Test content</p>
|
|||
|
<button data-testid="svg-button"><svg><title>Test</title></svg></p>
|
|||
|
<div><svg data-testid="svg-without-title"></svg></div>
|
|||
|
<input data-testid="input-title" title="test" />
|
|||
|
```
|
|||
|
|
|||
|
```javascript
|
|||
|
expect(getByTestId('img-alt')).toHaveAccessibleName('Test alt')
|
|||
|
expect(getByTestId('img-empty-alt')).not.toHaveAccessibleName()
|
|||
|
expect(getByTestId('svg-title')).toHaveAccessibleName('Test title')
|
|||
|
expect(getByTestId('button-img-alt')).toHaveAccessibleName()
|
|||
|
expect(getByTestId('img-paragraph')).not.toHaveAccessibleName()
|
|||
|
expect(getByTestId('svg-button')).toHaveAccessibleName()
|
|||
|
expect(getByTestId('svg-without-title')).not.toHaveAccessibleName()
|
|||
|
expect(getByTestId('input-title')).toHaveAccessibleName()
|
|||
|
```
|
|||
|
|
|||
|
<hr />
|
|||
|
|
|||
|
### `toHaveAttribute`
|
|||
|
|
|||
|
```typescript
|
|||
|
toHaveAttribute(attr: string, value?: any)
|
|||
|
```
|
|||
|
|
|||
|
This allows you to check whether the given element has an attribute or not. You
|
|||
|
can also optionally check that the attribute has a specific expected value or
|
|||
|
partial match using
|
|||
|
[expect.stringContaining](https://jestjs.io/docs/en/expect.html#expectnotstringcontainingstring)/[expect.stringMatching](https://jestjs.io/docs/en/expect.html#expectstringmatchingstring-regexp)
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<button data-testid="ok-button" type="submit" disabled>ok</button>
|
|||
|
```
|
|||
|
|
|||
|
```javascript
|
|||
|
const button = getByTestId('ok-button')
|
|||
|
|
|||
|
expect(button).toHaveAttribute('disabled')
|
|||
|
expect(button).toHaveAttribute('type', 'submit')
|
|||
|
expect(button).not.toHaveAttribute('type', 'button')
|
|||
|
|
|||
|
expect(button).toHaveAttribute('type', expect.stringContaining('sub'))
|
|||
|
expect(button).toHaveAttribute('type', expect.not.stringContaining('but'))
|
|||
|
```
|
|||
|
|
|||
|
<hr />
|
|||
|
|
|||
|
### `toHaveClass`
|
|||
|
|
|||
|
```typescript
|
|||
|
toHaveClass(...classNames: string[], options?: {exact: boolean})
|
|||
|
```
|
|||
|
|
|||
|
This allows you to check whether the given element has certain classes within
|
|||
|
its `class` attribute.
|
|||
|
|
|||
|
You must provide at least one class, unless you are asserting that an element
|
|||
|
does not have any classes.
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<button data-testid="delete-button" class="btn extra btn-danger">
|
|||
|
Delete item
|
|||
|
</button>
|
|||
|
<button data-testid="no-classes">No Classes</button>
|
|||
|
```
|
|||
|
|
|||
|
```javascript
|
|||
|
const deleteButton = getByTestId('delete-button')
|
|||
|
const noClasses = getByTestId('no-classes')
|
|||
|
|
|||
|
expect(deleteButton).toHaveClass('extra')
|
|||
|
expect(deleteButton).toHaveClass('btn-danger btn')
|
|||
|
expect(deleteButton).toHaveClass('btn-danger', 'btn')
|
|||
|
expect(deleteButton).not.toHaveClass('btn-link')
|
|||
|
|
|||
|
expect(deleteButton).toHaveClass('btn-danger extra btn', {exact: true}) // to check if the element has EXACTLY a set of classes
|
|||
|
expect(deleteButton).not.toHaveClass('btn-danger extra', {exact: true}) // if it has more than expected it is going to fail
|
|||
|
|
|||
|
expect(noClasses).not.toHaveClass()
|
|||
|
```
|
|||
|
|
|||
|
<hr />
|
|||
|
|
|||
|
### `toHaveFocus`
|
|||
|
|
|||
|
```typescript
|
|||
|
toHaveFocus()
|
|||
|
```
|
|||
|
|
|||
|
This allows you to assert whether an element has focus or not.
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<div><input type="text" data-testid="element-to-focus" /></div>
|
|||
|
```
|
|||
|
|
|||
|
```javascript
|
|||
|
const input = getByTestId('element-to-focus')
|
|||
|
|
|||
|
input.focus()
|
|||
|
expect(input).toHaveFocus()
|
|||
|
|
|||
|
input.blur()
|
|||
|
expect(input).not.toHaveFocus()
|
|||
|
```
|
|||
|
|
|||
|
<hr />
|
|||
|
|
|||
|
### `toHaveFormValues`
|
|||
|
|
|||
|
```typescript
|
|||
|
toHaveFormValues(expectedValues: {
|
|||
|
[name: string]: any
|
|||
|
})
|
|||
|
```
|
|||
|
|
|||
|
This allows you to check if a form or fieldset contains form controls for each
|
|||
|
given name, and having the specified value.
|
|||
|
|
|||
|
> It is important to stress that this matcher can only be invoked on a [form][]
|
|||
|
> or a [fieldset][] element.
|
|||
|
>
|
|||
|
> This allows it to take advantage of the [.elements][] property in `form` and
|
|||
|
> `fieldset` to reliably fetch all form controls within them.
|
|||
|
>
|
|||
|
> This also avoids the possibility that users provide a container that contains
|
|||
|
> more than one `form`, thereby intermixing form controls that are not related,
|
|||
|
> and could even conflict with one another.
|
|||
|
|
|||
|
This matcher abstracts away the particularities with which a form control value
|
|||
|
is obtained depending on the type of form control. For instance, `<input>`
|
|||
|
elements have a `value` attribute, but `<select>` elements do not. Here's a list
|
|||
|
of all cases covered:
|
|||
|
|
|||
|
- `<input type="number">` elements return the value as a **number**, instead of
|
|||
|
a string.
|
|||
|
- `<input type="checkbox">` elements:
|
|||
|
- if there's a single one with the given `name` attribute, it is treated as a
|
|||
|
**boolean**, returning `true` if the checkbox is checked, `false` if
|
|||
|
unchecked.
|
|||
|
- if there's more than one checkbox with the same `name` attribute, they are
|
|||
|
all treated collectively as a single form control, which returns the value
|
|||
|
as an **array** containing all the values of the selected checkboxes in the
|
|||
|
collection.
|
|||
|
- `<input type="radio">` elements are all grouped by the `name` attribute, and
|
|||
|
such a group treated as a single form control. This form control returns the
|
|||
|
value as a **string** corresponding to the `value` attribute of the selected
|
|||
|
radio button within the group.
|
|||
|
- `<input type="text">` elements return the value as a **string**. This also
|
|||
|
applies to `<input>` elements having any other possible `type` attribute
|
|||
|
that's not explicitly covered in different rules above (e.g. `search`,
|
|||
|
`email`, `date`, `password`, `hidden`, etc.)
|
|||
|
- `<select>` elements without the `multiple` attribute return the value as a
|
|||
|
**string** corresponding to the `value` attribute of the selected `option`, or
|
|||
|
`undefined` if there's no selected option.
|
|||
|
- `<select multiple>` elements return the value as an **array** containing all
|
|||
|
the values of the [selected options][].
|
|||
|
- `<textarea>` elements return their value as a **string**. The value
|
|||
|
corresponds to their node content.
|
|||
|
|
|||
|
The above rules make it easy, for instance, to switch from using a single select
|
|||
|
control to using a group of radio buttons. Or to switch from a multi select
|
|||
|
control, to using a group of checkboxes. The resulting set of form values used
|
|||
|
by this matcher to compare against would be the same.
|
|||
|
|
|||
|
[selected options]:
|
|||
|
https://developer.mozilla.org/en-US/docs/Web/API/HTMLSelectElement/selectedOptions
|
|||
|
[form]: https://developer.mozilla.org/en-US/docs/Web/API/HTMLFormElement
|
|||
|
[fieldset]: https://developer.mozilla.org/en-US/docs/Web/API/HTMLFieldSetElement
|
|||
|
[.elements]:
|
|||
|
https://developer.mozilla.org/en-US/docs/Web/API/HTMLFormElement/elements
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<form data-testid="login-form">
|
|||
|
<input type="text" name="username" value="jane.doe" />
|
|||
|
<input type="password" name="password" value="12345678" />
|
|||
|
<input type="checkbox" name="rememberMe" checked />
|
|||
|
<button type="submit">Sign in</button>
|
|||
|
</form>
|
|||
|
```
|
|||
|
|
|||
|
```javascript
|
|||
|
expect(getByTestId('login-form')).toHaveFormValues({
|
|||
|
username: 'jane.doe',
|
|||
|
rememberMe: true,
|
|||
|
})
|
|||
|
```
|
|||
|
|
|||
|
### `toHaveStyle`
|
|||
|
|
|||
|
```typescript
|
|||
|
toHaveStyle(css: string | object)
|
|||
|
```
|
|||
|
|
|||
|
This allows you to check if a certain element has some specific css properties
|
|||
|
with specific values applied. It matches only if the element has _all_ the
|
|||
|
expected properties applied, not just some of them.
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<button
|
|||
|
data-testid="delete-button"
|
|||
|
style="display: none; background-color: red"
|
|||
|
>
|
|||
|
Delete item
|
|||
|
</button>
|
|||
|
```
|
|||
|
|
|||
|
```javascript
|
|||
|
const button = getByTestId('delete-button')
|
|||
|
|
|||
|
expect(button).toHaveStyle('display: none')
|
|||
|
expect(button).toHaveStyle({display: 'none'})
|
|||
|
expect(button).toHaveStyle(`
|
|||
|
background-color: red;
|
|||
|
display: none;
|
|||
|
`)
|
|||
|
expect(button).toHaveStyle({
|
|||
|
backgroundColor: 'red',
|
|||
|
display: 'none',
|
|||
|
})
|
|||
|
expect(button).not.toHaveStyle(`
|
|||
|
background-color: blue;
|
|||
|
display: none;
|
|||
|
`)
|
|||
|
expect(button).not.toHaveStyle({
|
|||
|
backgroundColor: 'blue',
|
|||
|
display: 'none',
|
|||
|
})
|
|||
|
```
|
|||
|
|
|||
|
This also works with rules that are applied to the element via a class name for
|
|||
|
which some rules are defined in a stylesheet currently active in the document.
|
|||
|
The usual rules of css precedence apply.
|
|||
|
|
|||
|
<hr />
|
|||
|
|
|||
|
### `toHaveTextContent`
|
|||
|
|
|||
|
```typescript
|
|||
|
toHaveTextContent(text: string | RegExp, options?: {normalizeWhitespace: boolean})
|
|||
|
```
|
|||
|
|
|||
|
This allows you to check whether the given node has a text content or not. This
|
|||
|
supports elements, but also text nodes and fragments.
|
|||
|
|
|||
|
When a `string` argument is passed through, it will perform a partial
|
|||
|
case-sensitive match to the node content.
|
|||
|
|
|||
|
To perform a case-insensitive match, you can use a `RegExp` with the `/i`
|
|||
|
modifier.
|
|||
|
|
|||
|
If you want to match the whole content, you can use a `RegExp` to do it.
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<span data-testid="text-content">Text Content</span>
|
|||
|
```
|
|||
|
|
|||
|
```javascript
|
|||
|
const element = getByTestId('text-content')
|
|||
|
|
|||
|
expect(element).toHaveTextContent('Content')
|
|||
|
expect(element).toHaveTextContent(/^Text Content$/) // to match the whole content
|
|||
|
expect(element).toHaveTextContent(/content$/i) // to use case-insensitive match
|
|||
|
expect(element).not.toHaveTextContent('content')
|
|||
|
```
|
|||
|
|
|||
|
<hr />
|
|||
|
|
|||
|
### `toHaveValue`
|
|||
|
|
|||
|
```typescript
|
|||
|
toHaveValue(value: string | string[] | number)
|
|||
|
```
|
|||
|
|
|||
|
This allows you to check whether the given form element has the specified value.
|
|||
|
It accepts `<input>`, `<select>` and `<textarea>` elements with the exception of
|
|||
|
`<input type="checkbox">` and `<input type="radio">`, which can be meaningfully
|
|||
|
matched only using [`toBeChecked`](#tobechecked) or
|
|||
|
[`toHaveFormValues`](#tohaveformvalues).
|
|||
|
|
|||
|
For all other form elements, the value is matched using the same algorithm as in
|
|||
|
[`toHaveFormValues`](#tohaveformvalues) does.
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<input type="text" value="text" data-testid="input-text" />
|
|||
|
<input type="number" value="5" data-testid="input-number" />
|
|||
|
<input type="text" data-testid="input-empty" />
|
|||
|
<select multiple data-testid="select-number">
|
|||
|
<option value="first">First Value</option>
|
|||
|
<option value="second" selected>Second Value</option>
|
|||
|
<option value="third" selected>Third Value</option>
|
|||
|
</select>
|
|||
|
```
|
|||
|
|
|||
|
##### Using DOM Testing Library
|
|||
|
|
|||
|
```javascript
|
|||
|
const textInput = getByTestId('input-text')
|
|||
|
const numberInput = getByTestId('input-number')
|
|||
|
const emptyInput = getByTestId('input-empty')
|
|||
|
const selectInput = getByTestId('select-number')
|
|||
|
|
|||
|
expect(textInput).toHaveValue('text')
|
|||
|
expect(numberInput).toHaveValue(5)
|
|||
|
expect(emptyInput).not.toHaveValue()
|
|||
|
expect(selectInput).toHaveValue(['second', 'third'])
|
|||
|
```
|
|||
|
|
|||
|
<hr />
|
|||
|
|
|||
|
### `toHaveDisplayValue`
|
|||
|
|
|||
|
```typescript
|
|||
|
toHaveDisplayValue(value: string | RegExp | (string|RegExp)[])
|
|||
|
```
|
|||
|
|
|||
|
This allows you to check whether the given form element has the specified
|
|||
|
displayed value (the one the end user will see). It accepts `<input>`,
|
|||
|
`<select>` and `<textarea>` elements with the exception of
|
|||
|
`<input type="checkbox">` and `<input type="radio">`, which can be meaningfully
|
|||
|
matched only using [`toBeChecked`](#tobechecked) or
|
|||
|
[`toHaveFormValues`](#tohaveformvalues).
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<label for="input-example">First name</label>
|
|||
|
<input type="text" id="input-example" value="Luca" />
|
|||
|
|
|||
|
<label for="textarea-example">Description</label>
|
|||
|
<textarea id="textarea-example">An example description here.</textarea>
|
|||
|
|
|||
|
<label for="single-select-example">Fruit</label>
|
|||
|
<select id="single-select-example">
|
|||
|
<option value="">Select a fruit...</option>
|
|||
|
<option value="banana">Banana</option>
|
|||
|
<option value="ananas">Ananas</option>
|
|||
|
<option value="avocado">Avocado</option>
|
|||
|
</select>
|
|||
|
|
|||
|
<label for="multiple-select-example">Fruits</label>
|
|||
|
<select id="multiple-select-example" multiple>
|
|||
|
<option value="">Select a fruit...</option>
|
|||
|
<option value="banana" selected>Banana</option>
|
|||
|
<option value="ananas">Ananas</option>
|
|||
|
<option value="avocado" selected>Avocado</option>
|
|||
|
</select>
|
|||
|
```
|
|||
|
|
|||
|
##### Using DOM Testing Library
|
|||
|
|
|||
|
```javascript
|
|||
|
const input = screen.getByLabelText('First name')
|
|||
|
const textarea = screen.getByLabelText('Description')
|
|||
|
const selectSingle = screen.getByLabelText('Fruit')
|
|||
|
const selectMultiple = screen.getByLabelText('Fruits')
|
|||
|
|
|||
|
expect(input).toHaveDisplayValue('Luca')
|
|||
|
expect(input).toHaveDisplayValue(/Luc/)
|
|||
|
expect(textarea).toHaveDisplayValue('An example description here.')
|
|||
|
expect(textarea).toHaveDisplayValue(/example/)
|
|||
|
expect(selectSingle).toHaveDisplayValue('Select a fruit...')
|
|||
|
expect(selectSingle).toHaveDisplayValue(/Select/)
|
|||
|
expect(selectMultiple).toHaveDisplayValue([/Avocado/, 'Banana'])
|
|||
|
```
|
|||
|
|
|||
|
<hr />
|
|||
|
|
|||
|
### `toBeChecked`
|
|||
|
|
|||
|
```typescript
|
|||
|
toBeChecked()
|
|||
|
```
|
|||
|
|
|||
|
This allows you to check whether the given element is checked. It accepts an
|
|||
|
`input` of type `checkbox` or `radio` and elements with a `role` of `checkbox`,
|
|||
|
`radio` or `switch` with a valid `aria-checked` attribute of `"true"` or
|
|||
|
`"false"`.
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<input type="checkbox" checked data-testid="input-checkbox-checked" />
|
|||
|
<input type="checkbox" data-testid="input-checkbox-unchecked" />
|
|||
|
<div role="checkbox" aria-checked="true" data-testid="aria-checkbox-checked" />
|
|||
|
<div
|
|||
|
role="checkbox"
|
|||
|
aria-checked="false"
|
|||
|
data-testid="aria-checkbox-unchecked"
|
|||
|
/>
|
|||
|
|
|||
|
<input type="radio" checked value="foo" data-testid="input-radio-checked" />
|
|||
|
<input type="radio" value="foo" data-testid="input-radio-unchecked" />
|
|||
|
<div role="radio" aria-checked="true" data-testid="aria-radio-checked" />
|
|||
|
<div role="radio" aria-checked="false" data-testid="aria-radio-unchecked" />
|
|||
|
<div role="switch" aria-checked="true" data-testid="aria-switch-checked" />
|
|||
|
<div role="switch" aria-checked="false" data-testid="aria-switch-unchecked" />
|
|||
|
```
|
|||
|
|
|||
|
```javascript
|
|||
|
const inputCheckboxChecked = getByTestId('input-checkbox-checked')
|
|||
|
const inputCheckboxUnchecked = getByTestId('input-checkbox-unchecked')
|
|||
|
const ariaCheckboxChecked = getByTestId('aria-checkbox-checked')
|
|||
|
const ariaCheckboxUnchecked = getByTestId('aria-checkbox-unchecked')
|
|||
|
expect(inputCheckboxChecked).toBeChecked()
|
|||
|
expect(inputCheckboxUnchecked).not.toBeChecked()
|
|||
|
expect(ariaCheckboxChecked).toBeChecked()
|
|||
|
expect(ariaCheckboxUnchecked).not.toBeChecked()
|
|||
|
|
|||
|
const inputRadioChecked = getByTestId('input-radio-checked')
|
|||
|
const inputRadioUnchecked = getByTestId('input-radio-unchecked')
|
|||
|
const ariaRadioChecked = getByTestId('aria-radio-checked')
|
|||
|
const ariaRadioUnchecked = getByTestId('aria-radio-unchecked')
|
|||
|
expect(inputRadioChecked).toBeChecked()
|
|||
|
expect(inputRadioUnchecked).not.toBeChecked()
|
|||
|
expect(ariaRadioChecked).toBeChecked()
|
|||
|
expect(ariaRadioUnchecked).not.toBeChecked()
|
|||
|
|
|||
|
const ariaSwitchChecked = getByTestId('aria-switch-checked')
|
|||
|
const ariaSwitchUnchecked = getByTestId('aria-switch-unchecked')
|
|||
|
expect(ariaSwitchChecked).toBeChecked()
|
|||
|
expect(ariaSwitchUnchecked).not.toBeChecked()
|
|||
|
```
|
|||
|
|
|||
|
<hr />
|
|||
|
|
|||
|
### `toBePartiallyChecked`
|
|||
|
|
|||
|
```typescript
|
|||
|
toBePartiallyChecked()
|
|||
|
```
|
|||
|
|
|||
|
This allows you to check whether the given element is partially checked. It
|
|||
|
accepts an `input` of type `checkbox` and elements with a `role` of `checkbox`
|
|||
|
with a `aria-checked="mixed"`, or `input` of type `checkbox` with
|
|||
|
`indeterminate` set to `true`
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<input type="checkbox" aria-checked="mixed" data-testid="aria-checkbox-mixed" />
|
|||
|
<input type="checkbox" checked data-testid="input-checkbox-checked" />
|
|||
|
<input type="checkbox" data-testid="input-checkbox-unchecked" />
|
|||
|
<div role="checkbox" aria-checked="true" data-testid="aria-checkbox-checked" />
|
|||
|
<div
|
|||
|
role="checkbox"
|
|||
|
aria-checked="false"
|
|||
|
data-testid="aria-checkbox-unchecked"
|
|||
|
/>
|
|||
|
<input type="checkbox" data-testid="input-checkbox-indeterminate" />
|
|||
|
```
|
|||
|
|
|||
|
```javascript
|
|||
|
const ariaCheckboxMixed = getByTestId('aria-checkbox-mixed')
|
|||
|
const inputCheckboxChecked = getByTestId('input-checkbox-checked')
|
|||
|
const inputCheckboxUnchecked = getByTestId('input-checkbox-unchecked')
|
|||
|
const ariaCheckboxChecked = getByTestId('aria-checkbox-checked')
|
|||
|
const ariaCheckboxUnchecked = getByTestId('aria-checkbox-unchecked')
|
|||
|
const inputCheckboxIndeterminate = getByTestId('input-checkbox-indeterminate')
|
|||
|
|
|||
|
expect(ariaCheckboxMixed).toBePartiallyChecked()
|
|||
|
expect(inputCheckboxChecked).not.toBePartiallyChecked()
|
|||
|
expect(inputCheckboxUnchecked).not.toBePartiallyChecked()
|
|||
|
expect(ariaCheckboxChecked).not.toBePartiallyChecked()
|
|||
|
expect(ariaCheckboxUnchecked).not.toBePartiallyChecked()
|
|||
|
|
|||
|
inputCheckboxIndeterminate.indeterminate = true
|
|||
|
expect(inputCheckboxIndeterminate).toBePartiallyChecked()
|
|||
|
```
|
|||
|
|
|||
|
<hr />
|
|||
|
|
|||
|
### `toHaveErrorMessage`
|
|||
|
|
|||
|
> This custom matcher is deprecated. Prefer
|
|||
|
> [`toHaveAccessibleErrorMessage`](#tohaveaccessibleerrormessage) instead, which
|
|||
|
> is more comprehensive in implementing the official spec.
|
|||
|
|
|||
|
```typescript
|
|||
|
toHaveErrorMessage(text: string | RegExp)
|
|||
|
```
|
|||
|
|
|||
|
This allows you to check whether the given element has an
|
|||
|
[ARIA error message](https://www.w3.org/TR/wai-aria/#aria-errormessage) or not.
|
|||
|
|
|||
|
Use the `aria-errormessage` attribute to reference another element that contains
|
|||
|
custom error message text. Multiple ids is **NOT** allowed. Authors MUST use
|
|||
|
`aria-invalid` in conjunction with `aria-errormessage`. Learn more from
|
|||
|
[`aria-errormessage` spec](https://www.w3.org/TR/wai-aria/#aria-errormessage).
|
|||
|
|
|||
|
Whitespace is normalized.
|
|||
|
|
|||
|
When a `string` argument is passed through, it will perform a whole
|
|||
|
case-sensitive match to the error message text.
|
|||
|
|
|||
|
To perform a case-insensitive match, you can use a `RegExp` with the `/i`
|
|||
|
modifier.
|
|||
|
|
|||
|
To perform a partial match, you can pass a `RegExp` or use
|
|||
|
`expect.stringContaining("partial string")`.
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<label for="startTime"> Please enter a start time for the meeting: </label>
|
|||
|
<input
|
|||
|
id="startTime"
|
|||
|
type="text"
|
|||
|
aria-errormessage="msgID"
|
|||
|
aria-invalid="true"
|
|||
|
value="11:30 PM"
|
|||
|
/>
|
|||
|
<span id="msgID" aria-live="assertive" style="visibility:visible">
|
|||
|
Invalid time: the time must be between 9:00 AM and 5:00 PM
|
|||
|
</span>
|
|||
|
```
|
|||
|
|
|||
|
```javascript
|
|||
|
const timeInput = getByLabel('startTime')
|
|||
|
|
|||
|
expect(timeInput).toHaveErrorMessage(
|
|||
|
'Invalid time: the time must be between 9:00 AM and 5:00 PM',
|
|||
|
)
|
|||
|
expect(timeInput).toHaveErrorMessage(/invalid time/i) // to partially match
|
|||
|
expect(timeInput).toHaveErrorMessage(expect.stringContaining('Invalid time')) // to partially match
|
|||
|
expect(timeInput).not.toHaveErrorMessage('Pikachu!')
|
|||
|
```
|
|||
|
|
|||
|
## Deprecated matchers
|
|||
|
|
|||
|
### `toBeEmpty`
|
|||
|
|
|||
|
> Note: This matcher is being deprecated due to a name clash with
|
|||
|
> `jest-extended`. See more info in #216. In the future, please use only
|
|||
|
> [`toBeEmptyDOMElement`](#toBeEmptyDOMElement)
|
|||
|
|
|||
|
```typescript
|
|||
|
toBeEmpty()
|
|||
|
```
|
|||
|
|
|||
|
This allows you to assert whether an element has content or not.
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<span data-testid="not-empty"><span data-testid="empty"></span></span>
|
|||
|
```
|
|||
|
|
|||
|
```javascript
|
|||
|
expect(getByTestId('empty')).toBeEmpty()
|
|||
|
expect(getByTestId('not-empty')).not.toBeEmpty()
|
|||
|
```
|
|||
|
|
|||
|
<hr />
|
|||
|
|
|||
|
### `toBeInTheDOM`
|
|||
|
|
|||
|
> This custom matcher is deprecated. Prefer
|
|||
|
> [`toBeInTheDocument`](#tobeinthedocument) instead.
|
|||
|
|
|||
|
```typescript
|
|||
|
toBeInTheDOM()
|
|||
|
```
|
|||
|
|
|||
|
This allows you to check whether a value is a DOM element, or not.
|
|||
|
|
|||
|
Contrary to what its name implies, this matcher only checks that you passed to
|
|||
|
it a valid DOM element. It does not have a clear definition of what "the DOM"
|
|||
|
is. Therefore, it does not check whether that element is contained anywhere.
|
|||
|
|
|||
|
This is the main reason why this matcher is deprecated, and will be removed in
|
|||
|
the next major release. You can follow the discussion around this decision in
|
|||
|
more detail [here](https://github.com/testing-library/jest-dom/issues/34).
|
|||
|
|
|||
|
As an alternative, you can use [`toBeInTheDocument`](#tobeinthedocument) or
|
|||
|
[`toContainElement`](#tocontainelement). Or if you just want to check if a value
|
|||
|
is indeed an `HTMLElement` you can always use some of
|
|||
|
[jest's built-in matchers](https://jestjs.io/docs/en/expect#tobeinstanceofclass):
|
|||
|
|
|||
|
```js
|
|||
|
expect(document.querySelector('.ok-button')).toBeInstanceOf(HTMLElement)
|
|||
|
expect(document.querySelector('.cancel-button')).toBeTruthy()
|
|||
|
```
|
|||
|
|
|||
|
> Note: The differences between `toBeInTheDOM` and `toBeInTheDocument` are
|
|||
|
> significant. Replacing all uses of `toBeInTheDOM` with `toBeInTheDocument`
|
|||
|
> will likely cause unintended consequences in your tests. Please make sure when
|
|||
|
> replacing `toBeInTheDOM` to read through the documentation of the proposed
|
|||
|
> alternatives to see which use case works better for your needs.
|
|||
|
|
|||
|
### `toHaveDescription`
|
|||
|
|
|||
|
> This custom matcher is deprecated. Prefer
|
|||
|
> [`toHaveAccessibleDescription`](#tohaveaccessibledescription) instead, which
|
|||
|
> is more comprehensive in implementing the official spec.
|
|||
|
|
|||
|
```typescript
|
|||
|
toHaveDescription(text: string | RegExp)
|
|||
|
```
|
|||
|
|
|||
|
This allows you to check whether the given element has a description or not.
|
|||
|
|
|||
|
An element gets its description via the
|
|||
|
[`aria-describedby` attribute](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/ARIA_Techniques/Using_the_aria-describedby_attribute).
|
|||
|
Set this to the `id` of one or more other elements. These elements may be nested
|
|||
|
inside, be outside, or a sibling of the passed in element.
|
|||
|
|
|||
|
Whitespace is normalized. Using multiple ids will
|
|||
|
[join the referenced elements’ text content separated by a space](https://www.w3.org/TR/accname-1.1/#mapping_additional_nd_description).
|
|||
|
|
|||
|
When a `string` argument is passed through, it will perform a whole
|
|||
|
case-sensitive match to the description text.
|
|||
|
|
|||
|
To perform a case-insensitive match, you can use a `RegExp` with the `/i`
|
|||
|
modifier.
|
|||
|
|
|||
|
To perform a partial match, you can pass a `RegExp` or use
|
|||
|
`expect.stringContaining("partial string")`.
|
|||
|
|
|||
|
#### Examples
|
|||
|
|
|||
|
```html
|
|||
|
<button aria-label="Close" aria-describedby="description-close">X</button>
|
|||
|
<div id="description-close">Closing will discard any changes</div>
|
|||
|
|
|||
|
<button>Delete</button>
|
|||
|
```
|
|||
|
|
|||
|
```javascript
|
|||
|
const closeButton = getByRole('button', {name: 'Close'})
|
|||
|
|
|||
|
expect(closeButton).toHaveDescription('Closing will discard any changes')
|
|||
|
expect(closeButton).toHaveDescription(/will discard/) // to partially match
|
|||
|
expect(closeButton).toHaveDescription(expect.stringContaining('will discard')) // to partially match
|
|||
|
expect(closeButton).toHaveDescription(/^closing/i) // to use case-insensitive match
|
|||
|
expect(closeButton).not.toHaveDescription('Other description')
|
|||
|
|
|||
|
const deleteButton = getByRole('button', {name: 'Delete'})
|
|||
|
expect(deleteButton).not.toHaveDescription()
|
|||
|
expect(deleteButton).toHaveDescription('') // Missing or empty description always becomes a blank string
|
|||
|
```
|
|||
|
|
|||
|
## Inspiration
|
|||
|
|
|||
|
This whole library was extracted out of Kent C. Dodds' [DOM Testing
|
|||
|
Library][dom-testing-library], which was in turn extracted out of [React Testing
|
|||
|
Library][react-testing-library].
|
|||
|
|
|||
|
The intention is to make this available to be used independently of these other
|
|||
|
libraries, and also to make it more clear that these other libraries are
|
|||
|
independent from jest, and can be used with other tests runners as well.
|
|||
|
|
|||
|
## Other Solutions
|
|||
|
|
|||
|
I'm not aware of any, if you are please [make a pull request][prs] and add it
|
|||
|
here!
|
|||
|
|
|||
|
If you would like to further test the accessibility and validity of the DOM
|
|||
|
consider [`jest-axe`](https://github.com/nickcolley/jest-axe). It doesn't
|
|||
|
overlap with `jest-dom` but can complement it for more in-depth accessibility
|
|||
|
checking (eg: validating `aria` attributes or ensuring unique id attributes).
|
|||
|
|
|||
|
## Guiding Principles
|
|||
|
|
|||
|
> [The more your tests resemble the way your software is used, the more
|
|||
|
> confidence they can give you.][guiding-principle]
|
|||
|
|
|||
|
This library follows the same guiding principles as its mother library [DOM
|
|||
|
Testing Library][dom-testing-library]. Go [check them out][guiding-principle]
|
|||
|
for more details.
|
|||
|
|
|||
|
Additionally, with respect to custom DOM matchers, this library aims to maintain
|
|||
|
a minimal but useful set of them, while avoiding bloating itself with merely
|
|||
|
convenient ones that can be easily achieved with other APIs. In general, the
|
|||
|
overall criteria for what is considered a useful custom matcher to add to this
|
|||
|
library, is that doing the equivalent assertion on our own makes the test code
|
|||
|
more verbose, less clear in its intent, and/or harder to read.
|
|||
|
|
|||
|
## Contributors
|
|||
|
|
|||
|
Thanks goes to these people ([emoji key][emojis]):
|
|||
|
|
|||
|
<!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
|
|||
|
<!-- prettier-ignore-start -->
|
|||
|
<!-- markdownlint-disable -->
|
|||
|
<table>
|
|||
|
<tr>
|
|||
|
<td align="center"><a href="https://kentcdodds.com"><img src="https://avatars.githubusercontent.com/u/1500684?v=3?s=100" width="100px;" alt=""/><br /><sub><b>Kent C. Dodds</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=kentcdodds" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=kentcdodds" title="Documentation">📖</a> <a href="#infra-kentcdodds" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="https://github.com/testing-library/jest-dom/commits?author=kentcdodds" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="http://audiolion.github.io"><img src="https://avatars1.githubusercontent.com/u/2430381?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Ryan Castner</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=audiolion" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://www.dnlsandiego.com"><img src="https://avatars0.githubusercontent.com/u/8008023?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Daniel Sandiego</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=dnlsandiego" title="Code">💻</a></td>
|
|||
|
<td align="center"><a href="https://github.com/Miklet"><img src="https://avatars2.githubusercontent.com/u/12592677?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Paweł Mikołajczyk</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=Miklet" title="Code">💻</a></td>
|
|||
|
<td align="center"><a href="http://co.linkedin.com/in/alejandronanez/"><img src="https://avatars3.githubusercontent.com/u/464978?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Alejandro Ñáñez Ortiz</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=alejandronanez" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://github.com/pbomb"><img src="https://avatars0.githubusercontent.com/u/1402095?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Matt Parrish</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/issues?q=author%3Apbomb" title="Bug reports">🐛</a> <a href="https://github.com/testing-library/jest-dom/commits?author=pbomb" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=pbomb" title="Documentation">📖</a> <a href="https://github.com/testing-library/jest-dom/commits?author=pbomb" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="https://github.com/wKovacs64"><img src="https://avatars1.githubusercontent.com/u/1288694?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Justin Hall</b></sub></a><br /><a href="#platform-wKovacs64" title="Packaging/porting to new platform">📦</a></td>
|
|||
|
</tr>
|
|||
|
<tr>
|
|||
|
<td align="center"><a href="https://github.com/antoaravinth"><img src="https://avatars1.githubusercontent.com/u/1241511?s=460&v=4?s=100" width="100px;" alt=""/><br /><sub><b>Anto Aravinth</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=antoaravinth" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=antoaravinth" title="Tests">⚠️</a> <a href="https://github.com/testing-library/jest-dom/commits?author=antoaravinth" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://github.com/JonahMoses"><img src="https://avatars2.githubusercontent.com/u/3462296?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Jonah Moses</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=JonahMoses" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="http://team.thebrain.pro"><img src="https://avatars1.githubusercontent.com/u/4002543?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Łukasz Gandecki</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=lgandecki" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=lgandecki" title="Tests">⚠️</a> <a href="https://github.com/testing-library/jest-dom/commits?author=lgandecki" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://sompylasar.github.io"><img src="https://avatars2.githubusercontent.com/u/498274?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Ivan Babak</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/issues?q=author%3Asompylasar" title="Bug reports">🐛</a> <a href="#ideas-sompylasar" title="Ideas, Planning, & Feedback">🤔</a></td>
|
|||
|
<td align="center"><a href="https://github.com/jday3"><img src="https://avatars3.githubusercontent.com/u/4439618?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Jesse Day</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=jday3" title="Code">💻</a></td>
|
|||
|
<td align="center"><a href="http://gnapse.github.io"><img src="https://avatars0.githubusercontent.com/u/15199?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Ernesto García</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=gnapse" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=gnapse" title="Documentation">📖</a> <a href="https://github.com/testing-library/jest-dom/commits?author=gnapse" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="http://ociweb.com/mark/"><img src="https://avatars0.githubusercontent.com/u/79312?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Mark Volkmann</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/issues?q=author%3Amvolkmann" title="Bug reports">🐛</a> <a href="https://github.com/testing-library/jest-dom/commits?author=mvolkmann" title="Code">💻</a></td>
|
|||
|
</tr>
|
|||
|
<tr>
|
|||
|
<td align="center"><a href="https://github.com/smacpherson64"><img src="https://avatars1.githubusercontent.com/u/1659099?v=4?s=100" width="100px;" alt=""/><br /><sub><b>smacpherson64</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=smacpherson64" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=smacpherson64" title="Documentation">📖</a> <a href="https://github.com/testing-library/jest-dom/commits?author=smacpherson64" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="https://github.com/jgoz"><img src="https://avatars2.githubusercontent.com/u/132233?v=4?s=100" width="100px;" alt=""/><br /><sub><b>John Gozde</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/issues?q=author%3Ajgoz" title="Bug reports">🐛</a> <a href="https://github.com/testing-library/jest-dom/commits?author=jgoz" title="Code">💻</a></td>
|
|||
|
<td align="center"><a href="https://github.com/callada"><img src="https://avatars2.githubusercontent.com/u/7830590?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Iwona</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=callada" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=callada" title="Documentation">📖</a> <a href="https://github.com/testing-library/jest-dom/commits?author=callada" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="https://github.com/6ewis"><img src="https://avatars0.githubusercontent.com/u/840609?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Lewis</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=6ewis" title="Code">💻</a></td>
|
|||
|
<td align="center"><a href="https://blog.lourenci.com/"><img src="https://avatars3.githubusercontent.com/u/2339362?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Leandro Lourenci</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/issues?q=author%3Alourenci" title="Bug reports">🐛</a> <a href="https://github.com/testing-library/jest-dom/commits?author=lourenci" title="Documentation">📖</a> <a href="https://github.com/testing-library/jest-dom/commits?author=lourenci" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=lourenci" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="https://github.com/mufasa71"><img src="https://avatars1.githubusercontent.com/u/626420?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Shukhrat Mukimov</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/issues?q=author%3Amufasa71" title="Bug reports">🐛</a></td>
|
|||
|
<td align="center"><a href="https://github.com/dreyks"><img src="https://avatars3.githubusercontent.com/u/1481264?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Roman Usherenko</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=dreyks" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=dreyks" title="Tests">⚠️</a></td>
|
|||
|
</tr>
|
|||
|
<tr>
|
|||
|
<td align="center"><a href="http://josephhsu.com"><img src="https://avatars1.githubusercontent.com/u/648?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Joe Hsu</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=jhsu" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://twitter.com/diegohaz"><img src="https://avatars3.githubusercontent.com/u/3068563?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Haz</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/issues?q=author%3Adiegohaz" title="Bug reports">🐛</a> <a href="https://github.com/testing-library/jest-dom/commits?author=diegohaz" title="Code">💻</a></td>
|
|||
|
<td align="center"><a href="https://blog.revathskumar.com"><img src="https://avatars3.githubusercontent.com/u/463904?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Revath S Kumar</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=revathskumar" title="Code">💻</a></td>
|
|||
|
<td align="center"><a href="https://raccoon.studio"><img src="https://avatars0.githubusercontent.com/u/4989733?v=4?s=100" width="100px;" alt=""/><br /><sub><b>hiwelo.</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=hiwelo" title="Code">💻</a> <a href="#ideas-hiwelo" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/testing-library/jest-dom/commits?author=hiwelo" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="https://github.com/lukaszfiszer"><img src="https://avatars3.githubusercontent.com/u/1201711?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Łukasz Fiszer</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=lukaszfiszer" title="Code">💻</a></td>
|
|||
|
<td align="center"><a href="https://github.com/jeanchung"><img src="https://avatars0.githubusercontent.com/u/10778036?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Jean Chung</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=jeanchung" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=jeanchung" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="https://github.com/CarlaTeo"><img src="https://avatars3.githubusercontent.com/u/9220147?v=4?s=100" width="100px;" alt=""/><br /><sub><b>CarlaTeo</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=CarlaTeo" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=CarlaTeo" title="Tests">⚠️</a></td>
|
|||
|
</tr>
|
|||
|
<tr>
|
|||
|
<td align="center"><a href="https://github.com/YardenShoham"><img src="https://avatars3.githubusercontent.com/u/20454870?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Yarden Shoham</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=YardenShoham" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="http://jagascript.com"><img src="https://avatars0.githubusercontent.com/u/4562878?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Jaga Santagostino</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/issues?q=author%3Akandros" title="Bug reports">🐛</a> <a href="https://github.com/testing-library/jest-dom/commits?author=kandros" title="Tests">⚠️</a> <a href="https://github.com/testing-library/jest-dom/commits?author=kandros" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://github.com/connormeredith"><img src="https://avatars0.githubusercontent.com/u/4907463?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Connor Meredith</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=connormeredith" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=connormeredith" title="Tests">⚠️</a> <a href="https://github.com/testing-library/jest-dom/commits?author=connormeredith" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://github.com/pwolaq"><img src="https://avatars3.githubusercontent.com/u/10261750?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Pawel Wolak</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=pwolaq" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="https://michaeldeboey.be"><img src="https://avatars3.githubusercontent.com/u/6643991?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Michaël De Boey</b></sub></a><br /><a href="#infra-MichaelDeBoey" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
|
|||
|
<td align="center"><a href="https://github.com/jzarzeckis"><img src="https://avatars3.githubusercontent.com/u/919350?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Jānis Zaržeckis</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=jzarzeckis" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://github.com/koala-lava"><img src="https://avatars0.githubusercontent.com/u/15828770?v=4?s=100" width="100px;" alt=""/><br /><sub><b>koala-lava</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=koala-lava" title="Documentation">📖</a></td>
|
|||
|
</tr>
|
|||
|
<tr>
|
|||
|
<td align="center"><a href="https://jpblanco.dev"><img src="https://avatars1.githubusercontent.com/u/16567863?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Juan Pablo Blanco</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=JPBlancoDB" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://github.com/benmonro"><img src="https://avatars3.githubusercontent.com/u/399236?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Ben Monro</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=benmonro" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="http://jeffbernstein.io"><img src="https://avatars1.githubusercontent.com/u/6685560?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Jeff Bernstein</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=jeffbernst" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://github.com/SergiCL"><img src="https://avatars3.githubusercontent.com/u/41625166?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Sergi</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=SergiCL" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=SergiCL" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="https://skovy.dev"><img src="https://avatars1.githubusercontent.com/u/5247455?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Spencer Miskoviak</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=skovy" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://twitter.com/jonrimmer"><img src="https://avatars1.githubusercontent.com/u/183786?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Jon Rimmer</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=jonrimmer" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=jonrimmer" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="https://github.com/cloud-walker"><img src="https://avatars3.githubusercontent.com/u/1144075?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Luca Barone</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=cloud-walker" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=cloud-walker" title="Tests">⚠️</a> <a href="#ideas-cloud-walker" title="Ideas, Planning, & Feedback">🤔</a></td>
|
|||
|
</tr>
|
|||
|
<tr>
|
|||
|
<td align="center"><a href="https://github.com/mfelmy"><img src="https://avatars2.githubusercontent.com/u/29504917?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Malte Felmy</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=mfelmy" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=mfelmy" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="https://ghuser.io/Ishaan28malik"><img src="https://avatars3.githubusercontent.com/u/27343592?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Championrunner</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=Ishaan28malik" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://icing.space/"><img src="https://avatars0.githubusercontent.com/u/2635733?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Patrick Smith</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=BurntCaramel" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=BurntCaramel" title="Tests">⚠️</a> <a href="https://github.com/testing-library/jest-dom/commits?author=BurntCaramel" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://rubenmoya.dev"><img src="https://avatars3.githubusercontent.com/u/905225?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Rubén Moya</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=rubenmoya" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=rubenmoya" title="Tests">⚠️</a> <a href="https://github.com/testing-library/jest-dom/commits?author=rubenmoya" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://danielavalero.com/"><img src="https://avatars1.githubusercontent.com/u/1307954?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Daniela Valero</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=DanielaValero" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=DanielaValero" title="Tests">⚠️</a> <a href="https://github.com/testing-library/jest-dom/commits?author=DanielaValero" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://github.com/missilev"><img src="https://avatars1.githubusercontent.com/u/33201468?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Vladislav Katsura</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=missilev" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=missilev" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="http://stderr.timfischbach.de"><img src="https://avatars3.githubusercontent.com/u/26554?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Tim Fischbach</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=tf" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=tf" title="Tests">⚠️</a> <a href="#ideas-tf" title="Ideas, Planning, & Feedback">🤔</a></td>
|
|||
|
</tr>
|
|||
|
<tr>
|
|||
|
<td align="center"><a href="http://katieboedges.com/"><img src="https://avatars1.githubusercontent.com/u/8322476?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Katie Boedges</b></sub></a><br /><a href="#infra-kboedges" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
|
|||
|
<td align="center"><a href="https://github.com/brrianalexis"><img src="https://avatars2.githubusercontent.com/u/51463930?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Brian Alexis</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=brrianalexis" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="https://twitter.com/boriscoder"><img src="https://avatars2.githubusercontent.com/u/812240?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Boris Serdiuk</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/issues?q=author%3Ajust-boris" title="Bug reports">🐛</a> <a href="https://github.com/testing-library/jest-dom/commits?author=just-boris" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=just-boris" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="http://danawoodman.com"><img src="https://avatars1.githubusercontent.com/u/157695?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Dana Woodman</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=danawoodman" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://github.com/MoSattler"><img src="https://avatars2.githubusercontent.com/u/64152453?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Mo Sattler</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=MoSattler" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://github.com/geoffrich"><img src="https://avatars2.githubusercontent.com/u/4992896?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Geoff Rich</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=geoffrich" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=geoffrich" title="Tests">⚠️</a> <a href="#ideas-geoffrich" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/testing-library/jest-dom/issues?q=author%3Ageoffrich" title="Bug reports">🐛</a></td>
|
|||
|
<td align="center"><a href="https://github.com/syneva-runyan"><img src="https://avatars0.githubusercontent.com/u/20505588?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Syneva</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=syneva-runyan" title="Code">💻</a></td>
|
|||
|
</tr>
|
|||
|
<tr>
|
|||
|
<td align="center"><a href="https://nickmccurdy.com/"><img src="https://avatars0.githubusercontent.com/u/927220?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Nick McCurdy</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=nickmccurdy" title="Documentation">📖</a> <a href="https://github.com/testing-library/jest-dom/issues?q=author%3Anickmccurdy" title="Bug reports">🐛</a> <a href="https://github.com/testing-library/jest-dom/commits?author=nickmccurdy" title="Code">💻</a></td>
|
|||
|
<td align="center"><a href="https://obedparla.com/"><img src="https://avatars1.githubusercontent.com/u/10674462?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Obed Marquez Parlapiano</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=obedparla" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://github.com/calebeby"><img src="https://avatars.githubusercontent.com/u/13206945?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Caleb Eby</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=calebeby" title="Documentation">📖</a> <a href="https://github.com/testing-library/jest-dom/commits?author=calebeby" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=calebeby" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="https://github.com/marcelbarner"><img src="https://avatars.githubusercontent.com/u/12788744?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Marcel Barner</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=marcelbarner" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=marcelbarner" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="https://github.com/SevenOutman"><img src="https://avatars.githubusercontent.com/u/8225666?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Doma</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=SevenOutman" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=SevenOutman" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="http://everlong.org/"><img src="https://avatars.githubusercontent.com/u/454175?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Julien Wajsberg</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=julienw" title="Code">💻</a> <a href="https://github.com/testing-library/jest-dom/commits?author=julienw" title="Tests">⚠️</a></td>
|
|||
|
<td align="center"><a href="http://lichess.org/@/StevenEmily"><img src="https://avatars.githubusercontent.com/u/58114641?v=4?s=100" width="100px;" alt=""/><br /><sub><b>steven nguyen</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=icecream17" title="Documentation">📖</a></td>
|
|||
|
</tr>
|
|||
|
<tr>
|
|||
|
<td align="center"><a href="http://tu4mo.com"><img src="https://avatars.githubusercontent.com/u/16735302?v=4?s=100" width="100px;" alt=""/><br /><sub><b>tu4mo</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=tu4mo" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://matan.io"><img src="https://avatars.githubusercontent.com/u/12711091?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Matan Borenkraout</b></sub></a><br /><a href="#platform-MatanBobi" title="Packaging/porting to new platform">📦</a></td>
|
|||
|
<td align="center"><a href="https://github.com/yannbf"><img src="https://avatars.githubusercontent.com/u/1671563?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Yann Braga</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=yannbf" title="Code">💻</a></td>
|
|||
|
<td align="center"><a href="https://github.com/IanVS"><img src="https://avatars.githubusercontent.com/u/4616705?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Ian VanSchooten</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=IanVS" title="Code">💻</a></td>
|
|||
|
<td align="center"><a href="http://chantalbroeren.nl"><img src="https://avatars.githubusercontent.com/u/7499806?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Chantal Broeren</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=cbroeren" title="Documentation">📖</a></td>
|
|||
|
<td align="center"><a href="https://jeremie.astori.fr"><img src="https://avatars.githubusercontent.com/u/113730?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Jérémie Astori</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=astorije" title="Code">💻</a> <a href="#ideas-astorije" title="Ideas, Planning, & Feedback">🤔</a></td>
|
|||
|
<td align="center"><a href="https://github.com/ashleyryan"><img src="https://avatars.githubusercontent.com/u/9469374?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Ashley Ryan</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=ashleyryan" title="Code">💻</a> <a href="#ideas-ashleyryan" title="Ideas, Planning, & Feedback">🤔</a></td>
|
|||
|
</tr>
|
|||
|
</table>
|
|||
|
|
|||
|
<!-- markdownlint-restore -->
|
|||
|
<!-- prettier-ignore-end -->
|
|||
|
|
|||
|
<!-- ALL-CONTRIBUTORS-LIST:END -->
|
|||
|
|
|||
|
This project follows the [all-contributors][all-contributors] specification.
|
|||
|
Contributions of any kind welcome!
|
|||
|
|
|||
|
## LICENSE
|
|||
|
|
|||
|
MIT
|
|||
|
|
|||
|
<!-- prettier-ignore-start -->
|
|||
|
[jest]: https://facebook.github.io/jest/
|
|||
|
[dom-testing-library]: https://github.com/testing-library/dom-testing-library
|
|||
|
[react-testing-library]:
|
|||
|
https://github.com/testing-library/react-testing-library
|
|||
|
[npm]: https://www.npmjs.com/
|
|||
|
[node]: https://nodejs.org
|
|||
|
[build-badge]: https://img.shields.io/github/workflow/status/testing-library/jest-dom/validate?logo=github&style=flat-square
|
|||
|
[build]: https://github.com/testing-library/jest-dom/actions?query=workflow%3Avalidate
|
|||
|
[coverage-badge]:
|
|||
|
https://img.shields.io/codecov/c/github/testing-library/jest-dom.svg?style=flat-square
|
|||
|
[coverage]: https://codecov.io/github/testing-library/jest-dom
|
|||
|
[version-badge]:
|
|||
|
https://img.shields.io/npm/v/@testing-library/jest-dom.svg?style=flat-square
|
|||
|
[package]: https://www.npmjs.com/package/@testing-library/jest-dom
|
|||
|
[downloads-badge]:
|
|||
|
https://img.shields.io/npm/dm/@testing-library/jest-dom.svg?style=flat-square
|
|||
|
[npmtrends]: http://www.npmtrends.com/@testing-library/jest-dom
|
|||
|
[license-badge]:
|
|||
|
https://img.shields.io/npm/l/@testing-library/jest-dom.svg?style=flat-square
|
|||
|
[license]: https://github.com/testing-library/jest-dom/blob/main/LICENSE
|
|||
|
[prs-badge]:
|
|||
|
https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square
|
|||
|
[prs]: http://makeapullrequest.com
|
|||
|
[coc-badge]:
|
|||
|
https://img.shields.io/badge/code%20of-conduct-ff69b4.svg?style=flat-square
|
|||
|
[coc]:
|
|||
|
https://github.com/testing-library/jest-dom/blob/main/other/CODE_OF_CONDUCT.md
|
|||
|
[github-watch-badge]:
|
|||
|
https://img.shields.io/github/watchers/testing-library/jest-dom.svg?style=social
|
|||
|
[github-watch]: https://github.com/testing-library/jest-dom/watchers
|
|||
|
[github-star-badge]:
|
|||
|
https://img.shields.io/github/stars/testing-library/jest-dom.svg?style=social
|
|||
|
[github-star]: https://github.com/testing-library/jest-dom/stargazers
|
|||
|
[twitter]:
|
|||
|
https://twitter.com/intent/tweet?text=Check%20out%20jest-dom%20by%20%40gnapse%20https%3A%2F%2Fgithub.com%2Ftesting-library%2Fjest-dom%20%F0%9F%91%8D
|
|||
|
[twitter-badge]:
|
|||
|
https://img.shields.io/twitter/url/https/github.com/testing-library/jest-dom.svg?style=social
|
|||
|
[emojis]: https://github.com/all-contributors/all-contributors#emoji-key
|
|||
|
[all-contributors]: https://github.com/all-contributors/all-contributors
|
|||
|
[all-contributors-badge]:
|
|||
|
https://img.shields.io/github/all-contributors/testing-library/jest-dom?color=orange&style=flat-square
|
|||
|
[guiding-principle]: https://testing-library.com/docs/guiding-principles
|
|||
|
[discord-badge]: https://img.shields.io/discord/723559267868737556.svg?color=7389D8&labelColor=6A7EC2&logo=discord&logoColor=ffffff&style=flat-square
|
|||
|
[discord]: https://discord.gg/testing-library
|
|||
|
<!-- prettier-ignore-end -->
|