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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { renderWithProviders } from '../../../test-utils/render.js';
import { waitFor } from '@testing-library/react';
import {
RadioButtonSelect,
type RadioSelectItem,
} from './RadioButtonSelect.js';
import { describe, it, expect, vi } from 'vitest';
const ITEMS: Array<RadioSelectItem<string>> = [
{ label: 'Option 1', value: 'one' },
{ label: 'Option 2', value: 'two' },
{ label: 'Option 3', value: 'three', disabled: true },
];
describe('<RadioButtonSelect />', () => {
it('renders a list of items and matches snapshot', () => {
const { lastFrame } = renderWithProviders(
<RadioButtonSelect items={ITEMS} onSelect={() => {}} isFocused={true} />,
);
expect(lastFrame()).toMatchSnapshot();
});
it('renders with the second item selected and matches snapshot', () => {
const { lastFrame } = renderWithProviders(
<RadioButtonSelect items={ITEMS} initialIndex={1} onSelect={() => {}} />,
);
expect(lastFrame()).toMatchSnapshot();
});
it('renders with numbers hidden and matches snapshot', () => {
const { lastFrame } = renderWithProviders(
<RadioButtonSelect
items={ITEMS}
onSelect={() => {}}
showNumbers={false}
/>,
);
expect(lastFrame()).toMatchSnapshot();
});
it('renders with scroll arrows and matches snapshot', () => {
const manyItems = Array.from({ length: 20 }, (_, i) => ({
label: `Item ${i + 1}`,
value: `item-${i + 1}`,
}));
const { lastFrame } = renderWithProviders(
<RadioButtonSelect
items={manyItems}
onSelect={() => {}}
showScrollArrows={true}
maxItemsToShow={5}
/>,
);
expect(lastFrame()).toMatchSnapshot();
});
it('renders with special theme display and matches snapshot', () => {
const themeItems: Array<RadioSelectItem<string>> = [
{
label: 'Theme A (Light)',
value: 'a-light',
themeNameDisplay: 'Theme A',
themeTypeDisplay: '(Light)',
},
{
label: 'Theme B (Dark)',
value: 'b-dark',
themeNameDisplay: 'Theme B',
themeTypeDisplay: '(Dark)',
},
];
const { lastFrame } = renderWithProviders(
<RadioButtonSelect items={themeItems} onSelect={() => {}} />,
);
expect(lastFrame()).toMatchSnapshot();
});
it('renders a list with >10 items and matches snapshot', () => {
const manyItems = Array.from({ length: 12 }, (_, i) => ({
label: `Item ${i + 1}`,
value: `item-${i + 1}`,
}));
const { lastFrame } = renderWithProviders(
<RadioButtonSelect items={manyItems} onSelect={() => {}} />,
);
expect(lastFrame()).toMatchSnapshot();
});
it('renders nothing when no items are provided', () => {
const { lastFrame } = renderWithProviders(
<RadioButtonSelect items={[]} onSelect={() => {}} isFocused={true} />,
);
expect(lastFrame()).toBe('');
});
});
describe('keyboard navigation', () => {
it('should call onSelect when "enter" is pressed', () => {
const onSelect = vi.fn();
const { stdin } = renderWithProviders(
<RadioButtonSelect items={ITEMS} onSelect={onSelect} />,
);
stdin.write('\r');
expect(onSelect).toHaveBeenCalledWith('one');
});
describe('when isFocused is false', () => {
it('should not handle any keyboard input', () => {
const onSelect = vi.fn();
const { stdin } = renderWithProviders(
<RadioButtonSelect
items={ITEMS}
onSelect={onSelect}
isFocused={false}
/>,
);
stdin.write('\u001B[B'); // Down arrow
stdin.write('\u001B[A'); // Up arrow
stdin.write('\r'); // Enter
expect(onSelect).not.toHaveBeenCalled();
});
});
describe.each([
{ description: 'when isFocused is true', isFocused: true },
{ description: 'when isFocused is omitted', isFocused: undefined },
])('$description', ({ isFocused }) => {
it('should navigate down with arrow key and select with enter', async () => {
const onSelect = vi.fn();
const { stdin, lastFrame } = renderWithProviders(
<RadioButtonSelect
items={ITEMS}
onSelect={onSelect}
isFocused={isFocused}
/>,
);
stdin.write('\u001B[B'); // Down arrow
await waitFor(() => {
expect(lastFrame()).toContain('● 2. Option 2');
});
stdin.write('\r');
expect(onSelect).toHaveBeenCalledWith('two');
});
it('should navigate up with arrow key and select with enter', async () => {
const onSelect = vi.fn();
const { stdin, lastFrame } = renderWithProviders(
<RadioButtonSelect
items={ITEMS}
onSelect={onSelect}
initialIndex={1}
isFocused={isFocused}
/>,
);
stdin.write('\u001B[A'); // Up arrow
await waitFor(() => {
expect(lastFrame()).toContain('● 1. Option 1');
});
stdin.write('\r');
expect(onSelect).toHaveBeenCalledWith('one');
});
});
});
|
