svelte-kit-vice/src/uix/soma/components/collapsible/collapsible-provider.svelte.test.ts

// @vitest-environment jsdom

import { tick } from 'svelte';
import { afterEach, describe, expect, it, vi } from 'vitest';

import { createActiveDom } from '$adom';
import { state } from '$libs/reactive';
import type { Morfo } from '$uix/morfo';
import { Soma } from '$soma/core/soma.svelte';
import { createSomaRuntime, type SomaRuntimeSources } from '$soma/runtime.svelte';

import {
	CollapsibleContentProvider,
	CollapsibleProvider,
	CollapsibleTriggerProvider
} from './collapsible-provider.svelte';

function withEffectRoot<T>(fn: () => T): { result: T; cleanup: () => void } {
	let result!: T;
	const cleanup = $effect.root(() => {
		result = fn();
	});
	return { result, cleanup };
}

async function flushRuntimeTrigger() {
	await Promise.resolve();
	await tick();
}

function installSomaHarness() {
	const dom = createActiveDom();
	const soma = {
		dom,
		runtime: (morfo: Morfo, sources: Omit<SomaRuntimeSources, 'dom' | 'eventEngine'>) =>
			createSomaRuntime(morfo, {
				dom,
				translate: (key) => key,
				...sources
			})
	} as unknown as Soma;

	vi.spyOn(Soma, 'require').mockReturnValue(soma);
	vi.spyOn(CollapsibleProvider.ctx, 'set').mockImplementation((value) => value);

	return { dom };
}

function collapsibleOpts(root = document.createElement('div')) {
	return {
		id: state('collapsible-root'),
		ref: state<HTMLElement | null>(root),
		open: state(false),
		disabled: state(false)
	};
}

function createParts() {
	const root = document.createElement('div');
	const triggerEl = document.createElement('button');
	const contentEl = document.createElement('div');
	document.body.append(root, triggerEl, contentEl);
	return { root, triggerEl, contentEl };
}

describe('CollapsibleProvider', () => {
	afterEach(() => {
		vi.restoreAllMocks();
		document.body.innerHTML = '';
	});

	it('links trigger and content ids through runtime part refs', async () => {
		const { dom } = installSomaHarness();
		const { root, triggerEl, contentEl } = createParts();
		const opts = collapsibleOpts(root);

		const { result, cleanup } = withEffectRoot(() => {
			const provider = CollapsibleProvider.create(opts);
			vi.spyOn(CollapsibleProvider, 'require').mockReturnValue(provider);
			const trigger = CollapsibleTriggerProvider.create({
				id: state('collapsible-trigger'),
				ref: state<HTMLElement | null>(triggerEl)
			});
			const content = CollapsibleContentProvider.create({
				id: state('collapsible-content'),
				ref: state<HTMLElement | null>(contentEl)
			});
			return { provider, trigger, content };
		});

		expect(result.provider.props).toMatchObject({
			id: 'collapsible-root',
			'data-collapsible': ''
		});
		expect(result.trigger.props).toMatchObject({
			id: 'collapsible-trigger',
			'data-collapsible-trigger': '',
			disabled: undefined
		});
		expect(result.content.props).toMatchObject({
			id: 'collapsible-content',
			'data-collapsible-content': '',
			hidden: true
		});
		expect(result.provider.triggerId.current).toBe('collapsible-trigger');
		expect(result.provider.contentId.current).toBe('collapsible-content');

		await tick();
		expect(root.getAttribute('data-state')).toBe('closed');
		expect(triggerEl.getAttribute('role')).toBe('button');
		expect(triggerEl.getAttribute('type')).toBe('button');
		expect(triggerEl.getAttribute('aria-expanded')).toBe('false');
		expect(triggerEl.getAttribute('aria-controls')).toBe('collapsible-content');
		expect(contentEl.getAttribute('role')).toBe('region');
		expect(contentEl.getAttribute('aria-labelledby')).toBe('collapsible-trigger');
		expect(contentEl.getAttribute('data-state')).toBe('closed');

		cleanup();
		dom.dispose();
	});

	it('toggles open and closed through distinct expand/collapse events', async () => {
		const { dom } = installSomaHarness();
		const { root, triggerEl, contentEl } = createParts();
		const opts = collapsibleOpts(root);

		const { result, cleanup } = withEffectRoot(() => {
			const provider = CollapsibleProvider.create(opts);
			vi.spyOn(CollapsibleProvider, 'require').mockReturnValue(provider);
			const trigger = CollapsibleTriggerProvider.create({
				id: state('collapsible-trigger'),
				ref: state<HTMLElement | null>(triggerEl)
			});
			const content = CollapsibleContentProvider.create({
				id: state('collapsible-content'),
				ref: state<HTMLElement | null>(contentEl)
			});
			return { provider, trigger, content };
		});

		result.trigger.onclick({ currentTarget: triggerEl } as never);
		await flushRuntimeTrigger();
		expect(opts.open.current).toBe(true);
		expect(result.content.props.hidden).toBeUndefined();
		expect(root.getAttribute('data-state')).toBe('open');
		expect(triggerEl.getAttribute('aria-expanded')).toBe('true');
		expect(contentEl.getAttribute('data-state')).toBe('open');

		result.provider.toggle();
		await flushRuntimeTrigger();
		expect(opts.open.current).toBe(false);
		expect(result.content.props.hidden).toBe(true);
		expect(root.getAttribute('data-state')).toBe('closed');
		expect(triggerEl.getAttribute('aria-expanded')).toBe('false');
		expect(contentEl.getAttribute('data-state')).toBe('closed');

		cleanup();
		dom.dispose();
	});

	it('blocks toggles while disabled and projects disabled attrs', async () => {
		const { dom } = installSomaHarness();
		const { root, triggerEl, contentEl } = createParts();
		const opts = collapsibleOpts(root);
		opts.disabled.current = true;

		const { result, cleanup } = withEffectRoot(() => {
			const provider = CollapsibleProvider.create(opts);
			vi.spyOn(CollapsibleProvider, 'require').mockReturnValue(provider);
			const trigger = CollapsibleTriggerProvider.create({
				id: state('collapsible-trigger'),
				ref: state<HTMLElement | null>(triggerEl)
			});
			const content = CollapsibleContentProvider.create({
				id: state('collapsible-content'),
				ref: state<HTMLElement | null>(contentEl)
			});
			return { provider, trigger, content };
		});

		await tick();
		expect(result.trigger.props.disabled).toBe(true);
		expect(root.getAttribute('data-disabled')).toBe('');
		expect(triggerEl.getAttribute('data-disabled')).toBe('');
		expect(contentEl.getAttribute('data-disabled')).toBe('');

		result.provider.toggle();
		await flushRuntimeTrigger();
		expect(opts.open.current).toBe(false);
		expect(result.content.props.hidden).toBe(true);

		cleanup();
		dom.dispose();
	});
});