@amsterdam/design-system-react/dist/TextArea/TextArea.test.js

All React components from the Amsterdam Design System. Use it to compose pages in your website or application.

import { jsx as _jsx } from "react/jsx-runtime";
/**
 * @license EUPL-1.2+
 * Copyright Gemeente Amsterdam
 */
import { render, screen } from '@testing-library/react';
import userEvent from '@testing-library/user-event';
import { createRef, useState } from 'react';
import { TextArea } from './TextArea';
import '@testing-library/jest-dom';
describe('Text area', () => {
    it('renders', () => {
        render(_jsx(TextArea, {}));
        const component = screen.getByRole('textbox');
        expect(component).toBeInTheDocument();
        expect(component).toBeVisible();
    });
    it('renders a design system BEM class name', () => {
        render(_jsx(TextArea, {}));
        const component = screen.getByRole('textbox');
        expect(component).toHaveClass('ams-text-area');
    });
    it('renders an extra class name', () => {
        render(_jsx(TextArea, { className: "extra" }));
        const component = screen.getByRole('textbox');
        expect(component).toHaveClass('ams-text-area extra');
    });
    it('renders a textarea with horizontal resize', () => {
        render(_jsx(TextArea, { resize: "horizontal" }));
        const component = screen.getByRole('textbox');
        expect(component).toHaveClass('ams-text-area ams-text-area--resize-horizontal');
    });
    it('renders a textarea with vertical resize', () => {
        render(_jsx(TextArea, { resize: "vertical" }));
        const component = screen.getByRole('textbox');
        expect(component).toHaveClass('ams-text-area ams-text-area--resize-vertical');
    });
    it('renders a textarea with no resize', () => {
        render(_jsx(TextArea, { resize: "none" }));
        const component = screen.getByRole('textbox');
        expect(component).toHaveClass('ams-text-area ams-text-area--resize-none');
    });
    it('renders a textarea with cols class when cols prop is provided', () => {
        render(_jsx(TextArea, { cols: 10 }));
        const component = screen.getByRole('textbox');
        expect(component).toHaveClass('ams-text-area ams-text-area--cols');
    });
    it('can be controlled', async () => {
        function ControlledComponent() {
            const [value, setValue] = useState('Hello');
            return _jsx(TextArea, { onChange: (e) => setValue(e.target.value), value: value });
        }
        render(_jsx(ControlledComponent, {}));
        const componentText = screen.getByDisplayValue('Hello');
        expect(componentText).toBeInTheDocument();
        const component = screen.getByRole('textbox');
        if (component) {
            await userEvent.type(component, ', World!');
        }
        const newComponentText = screen.getByDisplayValue('Hello, World!');
        expect(newComponentText).toBeInTheDocument();
    });
    it('should not update the value when disabled', async () => {
        render(_jsx(TextArea, { defaultValue: "Hello", disabled: true }));
        const component = screen.getByRole('textbox');
        if (component) {
            await userEvent.type(component, ', World!');
        }
        expect(component).toHaveValue('Hello');
    });
    it('supports ForwardRef in React', () => {
        const ref = createRef();
        render(_jsx(TextArea, { ref: ref }));
        const component = screen.getByRole('textbox');
        expect(ref.current).toBe(component);
    });
    it('renders bidirectional by default using `dir="auto"`', () => {
        render(_jsx(TextArea, {}));
        const component = screen.getByRole('textbox');
        expect(component).toHaveAttribute('dir', 'auto');
    });
    it('renders left-to-right by using `dir="ltr"`', () => {
        render(_jsx(TextArea, { dir: "ltr" }));
        const component = screen.getByRole('textbox');
        expect(component).toHaveAttribute('dir', 'ltr');
    });
    describe('Invalid state', () => {
        it('is not invalid by default', () => {
            render(_jsx(TextArea, {}));
            const component = screen.getByRole('textbox');
            expect(component).not.toBeInvalid();
        });
        it('can have an invalid state', () => {
            render(_jsx(TextArea, { invalid: true }));
            const component = screen.getByRole('textbox');
            expect(component).toHaveAttribute('aria-invalid');
            expect(component).toBeInvalid();
        });
        it('omits non-essential invalid attributes when not invalid', () => {
            render(_jsx(TextArea, { invalid: false }));
            const component = screen.getByRole('textbox');
            expect(component).not.toHaveAttribute('aria-invalid');
        });
    });
});