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// @vitest-environment jsdom
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import { afterEach, describe, expect, it, vi } from 'vitest';
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import { createActiveDom } from '$adom';
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import { state } from '$libs/reactive';
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import type { Morfo } from '$uix/morfo';
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import { Soma } from '$soma/core/soma.svelte';
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import { createSomaRuntime, type SomaRuntimeSources } from '$soma/runtime.svelte';
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import { FieldProvider } from '../field/field-provider.svelte';
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import {
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ListboxGroupLabelProvider,
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ListboxGroupProvider,
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ListboxItemIndicatorProvider,
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ListboxItemProvider,
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ListboxProvider
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} from './listbox-provider.svelte';
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function withEffectRoot<T>(fn: () => T): { result: T; cleanup: () => void } {
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let result!: T;
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const cleanup = $effect.root(() => {
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result = fn();
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});
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return { result, cleanup };
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}
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function installSomaHarness() {
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const dom = createActiveDom();
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const timers = {
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schedule: vi.fn((key: string, delay: number, callback: () => void) => {
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const timer = { key, delay, callback, cancel: vi.fn() };
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return timer;
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})
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};
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const soma = {
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dom,
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prefs: { getDir: () => 'ltr' },
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langs: { ts: vi.fn(() => 'Options') },
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uix: { timers },
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runtime: (morfo: Morfo, sources: Omit<SomaRuntimeSources, 'dom' | 'eventEngine'>) =>
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createSomaRuntime(morfo, {
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dom,
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translate: (key) => key,
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...sources
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})
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} as unknown as Soma;
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vi.spyOn(Soma, 'require').mockReturnValue(soma);
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vi.spyOn(FieldProvider, 'get').mockReturnValue(undefined);
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vi.spyOn(ListboxProvider.ctx, 'set').mockImplementation((value) => value);
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vi.spyOn(ListboxItemProvider.ctx, 'set').mockImplementation((value) => value);
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vi.spyOn(ListboxGroupProvider.ctx, 'set').mockImplementation((value) => value);
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return { dom };
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}
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function createRoot() {
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const root = document.createElement('div');
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root.setAttribute('data-listbox', '');
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document.body.appendChild(root);
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return root;
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}
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function createItemEl(value: string, text: string, disabled = false) {
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const item = document.createElement('div');
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item.setAttribute('data-listbox-item', '');
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item.setAttribute('data-value', value);
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item.setAttribute('data-text-value', text);
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item.textContent = text;
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if (disabled) item.setAttribute('data-disabled', '');
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return item;
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}
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function createListboxOpts(root = createRoot()) {
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return {
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id: state('listbox-root'),
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ref: state<HTMLElement | null>(root),
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value: state<string[]>([]),
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selectionMode: state<'single' | 'multiple'>('single'),
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loop: state(true),
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typeahead: state(true),
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typeaheadTimeout: state(500),
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orientation: state<'horizontal' | 'vertical'>('vertical'),
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dir: state<'ltr' | 'rtl' | undefined>(undefined),
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disabled: state(false),
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readonly: state(false),
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required: state(false),
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invalid: state(false),
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name: state<string | undefined>(undefined),
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ariaLabel: state<string | undefined>(undefined),
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ariaLabelledby: state<string | undefined>(undefined),
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onValueChange: state<((value: string[]) => void) | undefined>(undefined)
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};
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}
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function itemOpts(id: string, value: string, el: HTMLElement, disabled = false) {
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return {
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id: state(id),
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ref: state<HTMLElement | null>(el),
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value: state(value),
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disabled: state(disabled),
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textValue: state<string | undefined>(el.getAttribute('data-text-value') ?? undefined)
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};
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}
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function keyEvent(key: string, currentTarget: HTMLElement, init: Partial<KeyboardEvent> = {}) {
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return {
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key,
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currentTarget,
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ctrlKey: false,
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metaKey: false,
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altKey: false,
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preventDefault: vi.fn(),
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...init
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};
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}
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function clickEvent(currentTarget: HTMLElement) {
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return {
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currentTarget
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};
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}
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describe('ListboxProvider', () => {
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afterEach(() => {
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vi.restoreAllMocks();
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document.body.innerHTML = '';
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});
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it('exposes root accessibility props and focus state', () => {
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const { dom } = installSomaHarness();
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const opts = createListboxOpts();
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opts.selectionMode.current = 'multiple';
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opts.required.current = true;
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const { result: provider, cleanup } = withEffectRoot(() => ListboxProvider.create(opts));
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expect(provider.props).toMatchObject({
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role: 'listbox',
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dir: 'ltr',
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'aria-orientation': 'vertical',
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'aria-multiselectable': true,
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'aria-required': true,
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'aria-label': 'Options',
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'data-orientation': 'vertical',
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'data-required': '',
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'data-empty': ''
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});
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provider.onfocus();
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expect(provider.snippetProps).toMatchObject({
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value: [],
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isEmpty: true,
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isFocused: true
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});
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expect(provider.props['data-focused']).toBe('');
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cleanup();
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dom.dispose();
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});
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it('selects and toggles items while focusing through ActiveDom', () => {
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const { dom } = installSomaHarness();
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const focusSpy = vi.spyOn(dom, 'focus');
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const root = createRoot();
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const alphaEl = createItemEl('alpha', 'Alpha');
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const betaEl = createItemEl('beta', 'Beta');
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root.append(alphaEl, betaEl);
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const opts = createListboxOpts(root);
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opts.selectionMode.current = 'multiple';
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const onValueChange = vi.fn();
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opts.onValueChange.current = onValueChange;
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const { result, cleanup } = withEffectRoot(() => {
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const provider = ListboxProvider.create(opts);
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vi.spyOn(ListboxProvider.ctx, 'get').mockReturnValue(provider);
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const alpha = ListboxItemProvider.create(itemOpts('listbox-alpha', 'alpha', alphaEl));
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const beta = ListboxItemProvider.create(itemOpts('listbox-beta', 'beta', betaEl));
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return { provider, alpha, beta };
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});
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expect(result.alpha.props).toMatchObject({
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role: 'option',
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tabindex: 0,
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'aria-selected': false,
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'data-state': 'unselected',
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'data-value': 'alpha'
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});
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result.alpha.onclick(clickEvent(alphaEl) as never);
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expect(opts.value.current).toEqual(['alpha']);
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expect(onValueChange).toHaveBeenCalledWith(['alpha']);
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expect(focusSpy).toHaveBeenCalledWith(alphaEl);
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expect(result.alpha.props['data-state']).toBe('selected');
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expect(result.beta.props.tabindex).toBe(-1);
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result.alpha.onclick(clickEvent(alphaEl) as never);
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expect(opts.value.current).toEqual([]);
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expect(onValueChange).toHaveBeenLastCalledWith([]);
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cleanup();
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dom.dispose();
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});
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it('navigates enabled items and supports typeahead', () => {
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const { dom } = installSomaHarness();
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const focusSpy = vi.spyOn(dom, 'focus');
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const root = createRoot();
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const alphaEl = createItemEl('alpha', 'Alpha');
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const betaEl = createItemEl('beta', 'Beta');
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const gammaEl = createItemEl('gamma', 'Gamma');
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root.append(alphaEl, betaEl, gammaEl);
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const opts = createListboxOpts(root);
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opts.selectionMode.current = 'multiple';
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const { result, cleanup } = withEffectRoot(() => {
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const provider = ListboxProvider.create(opts);
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vi.spyOn(ListboxProvider.ctx, 'get').mockReturnValue(provider);
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const alpha = ListboxItemProvider.create(itemOpts('listbox-alpha', 'alpha', alphaEl));
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return { alpha };
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});
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const next = keyEvent('ArrowDown', alphaEl);
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result.alpha.onkeydown(next as never);
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expect(next.preventDefault).toHaveBeenCalledOnce();
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expect(focusSpy).toHaveBeenCalledWith(betaEl);
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const end = keyEvent('End', alphaEl);
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result.alpha.onkeydown(end as never);
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expect(end.preventDefault).toHaveBeenCalledOnce();
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expect(focusSpy).toHaveBeenLastCalledWith(gammaEl);
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const selectAll = keyEvent('A', alphaEl, { ctrlKey: true });
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result.alpha.onkeydown(selectAll as never);
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expect(selectAll.preventDefault).toHaveBeenCalledOnce();
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expect(opts.value.current).toEqual(['alpha', 'beta', 'gamma']);
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result.alpha.onkeydown(keyEvent('g', alphaEl) as never);
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expect(focusSpy).toHaveBeenLastCalledWith(gammaEl);
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cleanup();
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dom.dispose();
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});
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it('wires item indicators and group labels to their parent contexts', () => {
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const { dom } = installSomaHarness();
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const root = createRoot();
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const alphaEl = createItemEl('alpha', 'Alpha');
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root.append(alphaEl);
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const opts = createListboxOpts(root);
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opts.value.current = ['alpha'];
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const { result, cleanup } = withEffectRoot(() => {
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const provider = ListboxProvider.create(opts);
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vi.spyOn(ListboxProvider.ctx, 'get').mockReturnValue(provider);
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const item = ListboxItemProvider.create(itemOpts('listbox-alpha', 'alpha', alphaEl));
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vi.spyOn(ListboxItemProvider, 'require').mockReturnValue(item);
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const indicator = ListboxItemIndicatorProvider.create({
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id: state('listbox-alpha-indicator'),
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ref: state<HTMLElement | null>(document.createElement('span'))
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});
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const group = ListboxGroupProvider.create({
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id: state('listbox-group'),
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ref: state<HTMLElement | null>(document.createElement('div'))
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});
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vi.spyOn(ListboxGroupProvider, 'require').mockReturnValue(group);
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const label = ListboxGroupLabelProvider.create({
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id: state('listbox-group-label'),
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ref: state<HTMLElement | null>(document.createElement('div'))
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});
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return { item, indicator, group, label };
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});
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expect(result.item.props).toMatchObject({
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'aria-selected': true,
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'data-state': 'selected'
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});
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expect(result.indicator.isPresent).toBe(true);
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expect(result.indicator.props).toMatchObject({
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'aria-hidden': true,
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'data-state': 'selected'
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});
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expect(result.group.props).toMatchObject({
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role: 'group',
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'aria-labelledby': 'listbox-group-label'
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});
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expect(result.label.props.id).toBe('listbox-group-label');
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cleanup();
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dom.dispose();
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});
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});
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