/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @emails react-core
* @jest-environment ./scripts/jest/ReactDOMServerIntegrationEnvironment
*/
'use strict';
const ReactDOMServerIntegrationUtils = require('./utils/ReactDOMServerIntegrationTestUtils');
let React;
let ReactDOM;
let ReactDOMServer;
let ReactTestUtils;
function initModules() {
// Reset warning cache.
jest.resetModules();
React = require('react');
ReactDOM = require('react-dom');
ReactDOMServer = require('react-dom/server');
ReactTestUtils = require('react-dom/test-utils');
// Make them available to the helpers.
return {
ReactDOM,
ReactDOMServer,
ReactTestUtils,
};
}
const {resetModules, itRenders} = ReactDOMServerIntegrationUtils(initModules);
describe('ReactDOMServerIntegrationTextarea', () => {
beforeEach(() => {
resetModules();
});
// textareas
// ---------
itRenders('a textarea with a value and an onChange', async render => {
const e = await render(<textarea value="foo" onChange={() => {}} />);
// textarea DOM elements don't have a value **attribute**, the text is
// a child of the element and accessible via the .value **property**.
expect(e.getAttribute('value')).toBe(null);
expect(e.value).toBe('foo');
});
itRenders('a textarea with a value of undefined', async render => {
const e = await render(<textarea value={undefined} />);
expect(e.getAttribute('value')).toBe(null);
expect(e.value).toBe('');
});
itRenders('a textarea with a value and readOnly', async render => {
const e = await render(<textarea value="foo" readOnly={true} />);
// textarea DOM elements don't have a value **attribute**, the text is
// a child of the element and accessible via the .value **property**.
expect(e.getAttribute('value')).toBe(null);
expect(e.value).toBe('foo');
});
itRenders(
'a textarea with a value and no onChange/readOnly',
async render => {
// this configuration should raise a dev warning that value without
// onChange or readOnly is a mistake.
const e = await render(<textarea value="foo" />, 1);
expect(e.getAttribute('value')).toBe(null);
expect(e.value).toBe('foo');
},
);
itRenders('a textarea with a defaultValue', async render => {
const e = await render(<textarea defaultValue="foo" />);
expect(e.getAttribute('value')).toBe(null);
expect(e.getAttribute('defaultValue')).toBe(null);
expect(e.value).toBe('foo');
});
itRenders('a textarea value overriding defaultValue', async render => {
const e = await render(
<textarea value="foo" defaultValue="bar" readOnly={true} />,
1,
);
expect(e.getAttribute('value')).toBe(null);
expect(e.getAttribute('defaultValue')).toBe(null);
expect(e.value).toBe('foo');
});
itRenders(
'a textarea value overriding defaultValue no matter the prop order',
async render => {
const e = await render(
<textarea defaultValue="bar" value="foo" readOnly={true} />,
1,
);
expect(e.getAttribute('value')).toBe(null);
expect(e.getAttribute('defaultValue')).toBe(null);
expect(e.value).toBe('foo');
},
);
});