Add tabs provider coverage

continue.md

@@ -86,9 +86,12 @@ Actualizacion 2026-05-15:
     `ActiveDom`, integración con FieldProvider y guardas readonly/disabled.
   - Cobertura nueva para ToggleGroup: modos single/multiple, roving tabindex y
     navegación de items saltando disabled.
+  - Cobertura nueva para Tabs: registro de trigger/content, activacion
+    automatic/manual, navegacion roving, fallback tab stop y partes
+    list/content/indicator.
   - Validado por fase:
     - `npm run check` -> 0 errores, 0 warnings.
-    - `npm run test` -> 203 archivos, 2158 tests OK.
+    - `npm run test` -> 204 archivos, 2162 tests OK.
     - tests focales de Select/Popover/Toast/RangeCalendar -> 11 tests OK.
     - tests focales Dialog/Drawer/Popover/Select -> 10 tests OK.
     - `command-provider.svelte.test.ts` -> 2 tests OK.
@@ -120,6 +123,7 @@ Actualizacion 2026-05-15:
     - `switch-provider.svelte.test.ts` -> 5 tests OK.
     - `toggle-provider.svelte.test.ts` -> 4 tests OK.
     - `toggle-group-provider.svelte.test.ts` -> 4 tests OK.
+    - `tabs-provider.svelte.test.ts` -> 4 tests OK.
     - guardia `rg "from './.*provider\\.svelte'" src/uix/soma/components -g 'exports.ts'`
       -> solo queda `select/components/select-provider.svelte`, que es wrapper
       publico, no runtime provider.

src/uix/soma/SOMA_ARCHITECTURE.md

@@ -518,11 +518,11 @@ Los tests por componente estan creciendo desde las piezas de mayor riesgo. A
   via `ActiveDom`, integración con `FieldProvider` y guardas.
 - `toggle-group/toggle-group-provider.svelte.test.ts` — modos single/multiple,
   roving tabindex y navegación de items saltando disabled.
+- `tabs/tabs-provider.svelte.test.ts` — registros trigger/content, activacion
+  automatic/manual, navegacion roving, fallback tab stop y partes auxiliares.
 
-Pendiente: seguir ampliando cobertura por familias de alto riesgo fuera del
+Pendiente: seguir ampliando cobertura por el resto del catalogo Soma, ya por
-bloque fecha/hora, virtualización, inputs numericos, file upload, color y
+componentes de riesgo medio y familias menos centrales. `table-core`,
-navegacion superior/treegrid/tree-view/dropdown/context-menu/menubar/listbox/
-accordion/checkbox/radio-group/switch/toggle/toggle-group. `table-core`,
 `form-core` y el scorer de Command ya no viven dentro de Soma: se consumen
 desde `$libs/datagrid`, `$libs/forms` y `$libs/strings`.
 

src/uix/soma/components/tabs/tabs-provider.svelte.test.ts

@@ -0,0 +1,324 @@
+// @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 {
+	TabsContentProvider,
+	TabsIndicatorProvider,
+	TabsListProvider,
+	TabsProvider,
+	TabsTriggerProvider
+} from './tabs-provider.svelte';
+
+function withEffectRoot<T>(fn: () => T): { result: T; cleanup: () => void } {
+	let result!: T;
+	const cleanup = $effect.root(() => {
+		result = fn();
+	});
+	return { result, cleanup };
+}
+
+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(TabsProvider.ctx, 'set').mockImplementation((value) => value);
+
+	return { dom };
+}
+
+function createRoot() {
+	const root = document.createElement('div');
+	root.setAttribute('data-tabs', '');
+	document.body.appendChild(root);
+	return root;
+}
+
+function createTriggerEl(value: string, disabled = false) {
+	const trigger = document.createElement('button');
+	trigger.setAttribute('data-tabs-trigger', '');
+	trigger.setAttribute('data-value', value);
+	if (disabled) trigger.setAttribute('disabled', '');
+	return trigger;
+}
+
+function createContentEl(value: string) {
+	const content = document.createElement('div');
+	content.setAttribute('data-tabs-content', '');
+	content.setAttribute('data-value', value);
+	return content;
+}
+
+function tabsOpts(root = createRoot()) {
+	return {
+		id: state('tabs-root'),
+		ref: state<HTMLElement | null>(root),
+		value: state('account'),
+		orientation: state<'horizontal' | 'vertical'>('horizontal'),
+		activationMode: state<'automatic' | 'manual'>('automatic'),
+		disabled: state(false),
+		loop: state(true),
+		dir: state<'ltr' | 'rtl'>('ltr'),
+		onFocusChange: state<(value: string) => void>(() => undefined)
+	};
+}
+
+function triggerOpts(id: string, value: string, el: HTMLElement, disabled = false) {
+	return {
+		id: state(id),
+		ref: state<HTMLElement | null>(el),
+		value: state(value),
+		disabled: state(disabled)
+	};
+}
+
+function contentOpts(id: string, value: string, el: HTMLElement) {
+	return {
+		id: state(id),
+		ref: state<HTMLElement | null>(el),
+		value: state(value)
+	};
+}
+
+function keyEvent(key: string, currentTarget: HTMLElement) {
+	return {
+		key,
+		currentTarget,
+		preventDefault: vi.fn()
+	};
+}
+
+function focusEvent(currentTarget: HTMLElement): FocusEvent {
+	return { currentTarget } as unknown as FocusEvent;
+}
+
+describe('TabsProvider', () => {
+	afterEach(() => {
+		vi.restoreAllMocks();
+		document.body.innerHTML = '';
+	});
+
+	it('registers parts and exposes active trigger/content props', () => {
+		const { dom } = installSomaHarness();
+		const root = createRoot();
+		const accountTriggerEl = createTriggerEl('account');
+		const profileTriggerEl = createTriggerEl('profile');
+		const accountContentEl = createContentEl('account');
+		const profileContentEl = createContentEl('profile');
+		root.append(accountTriggerEl, profileTriggerEl, accountContentEl, profileContentEl);
+		const opts = tabsOpts(root);
+
+		const { result, cleanup } = withEffectRoot(() => {
+			const provider = TabsProvider.create(opts);
+			vi.spyOn(TabsProvider, 'require').mockReturnValue(provider);
+			const list = TabsListProvider.create({
+				id: state('tabs-list'),
+				ref: state<HTMLElement | null>(document.createElement('div'))
+			});
+			const accountTrigger = TabsTriggerProvider.create(
+				triggerOpts('tabs-trigger-account', 'account', accountTriggerEl)
+			);
+			const profileTrigger = TabsTriggerProvider.create(
+				triggerOpts('tabs-trigger-profile', 'profile', profileTriggerEl)
+			);
+			const accountContent = TabsContentProvider.create(
+				contentOpts('tabs-content-account', 'account', accountContentEl)
+			);
+			const profileContent = TabsContentProvider.create(
+				contentOpts('tabs-content-profile', 'profile', profileContentEl)
+			);
+			const indicator = TabsIndicatorProvider.create({
+				id: state('tabs-indicator'),
+				ref: state<HTMLElement | null>(document.createElement('div'))
+			});
+			return {
+				provider,
+				list,
+				accountTrigger,
+				profileTrigger,
+				accountContent,
+				profileContent,
+				indicator
+			};
+		});
+
+		expect(result.provider.props).toMatchObject({
+			id: 'tabs-root',
+			'data-tabs': '',
+			dir: 'ltr'
+		});
+		expect(result.list.props).toMatchObject({
+			id: 'tabs-list',
+			'data-tabs-list': ''
+		});
+		expect(result.indicator.props).toMatchObject({
+			id: 'tabs-indicator',
+			'data-tabs-indicator': ''
+		});
+		expect(result.provider.triggerIds).toMatchObject({
+			account: 'tabs-trigger-account',
+			profile: 'tabs-trigger-profile'
+		});
+		expect(result.provider.contentIds).toMatchObject({
+			account: 'tabs-content-account',
+			profile: 'tabs-content-profile'
+		});
+		expect(result.accountTrigger.props).toMatchObject({
+			tabindex: 0,
+			'data-value': 'account',
+			disabled: undefined
+		});
+		expect(result.profileTrigger.props.tabindex).toBe(-1);
+		expect(result.accountContent.props).toMatchObject({
+			tabindex: 0,
+			hidden: undefined
+		});
+		expect(result.profileContent.props).toMatchObject({
+			tabindex: -1,
+			hidden: true
+		});
+
+		cleanup();
+		dom.dispose();
+	});
+
+	it('supports automatic focus activation and manual keyboard activation', () => {
+		const { dom } = installSomaHarness();
+		const root = createRoot();
+		const accountTriggerEl = createTriggerEl('account');
+		const profileTriggerEl = createTriggerEl('profile');
+		root.append(accountTriggerEl, profileTriggerEl);
+		const opts = tabsOpts(root);
+		const onFocusChange = vi.fn();
+		opts.onFocusChange.current = onFocusChange;
+
+		const { result, cleanup } = withEffectRoot(() => {
+			const provider = TabsProvider.create(opts);
+			vi.spyOn(TabsProvider, 'require').mockReturnValue(provider);
+			const accountTrigger = TabsTriggerProvider.create(
+				triggerOpts('tabs-trigger-account', 'account', accountTriggerEl)
+			);
+			const profileTrigger = TabsTriggerProvider.create(
+				triggerOpts('tabs-trigger-profile', 'profile', profileTriggerEl)
+			);
+			return { accountTrigger, profileTrigger };
+		});
+
+		result.profileTrigger.onfocus(focusEvent(profileTriggerEl));
+		expect(onFocusChange).toHaveBeenCalledWith('profile');
+		expect(opts.value.current).toBe('profile');
+
+		opts.value.current = 'account';
+		opts.activationMode.current = 'manual';
+		result.profileTrigger.onfocus(focusEvent(profileTriggerEl));
+		expect(onFocusChange).toHaveBeenLastCalledWith('profile');
+		expect(opts.value.current).toBe('account');
+
+		const enter = keyEvent('Enter', profileTriggerEl);
+		result.profileTrigger.onkeydown(enter as never);
+		expect(enter.preventDefault).toHaveBeenCalledOnce();
+		expect(opts.value.current).toBe('profile');
+
+		result.accountTrigger.onclick({ currentTarget: accountTriggerEl } as never);
+		expect(opts.value.current).toBe('account');
+
+		cleanup();
+		dom.dispose();
+	});
+
+	it('moves focus with roving keyboard navigation and skips disabled triggers', () => {
+		const { dom } = installSomaHarness();
+		const focusSpy = vi.spyOn(dom, 'focus');
+		const root = createRoot();
+		const accountTriggerEl = createTriggerEl('account');
+		const disabledTriggerEl = createTriggerEl('disabled', true);
+		const profileTriggerEl = createTriggerEl('profile');
+		root.append(accountTriggerEl, disabledTriggerEl, profileTriggerEl);
+		const opts = tabsOpts(root);
+		opts.activationMode.current = 'manual';
+
+		const { result, cleanup } = withEffectRoot(() => {
+			const provider = TabsProvider.create(opts);
+			vi.spyOn(TabsProvider, 'require').mockReturnValue(provider);
+			const accountTrigger = TabsTriggerProvider.create(
+				triggerOpts('tabs-trigger-account', 'account', accountTriggerEl)
+			);
+			const disabledTrigger = TabsTriggerProvider.create(
+				triggerOpts('tabs-trigger-disabled', 'disabled', disabledTriggerEl, true)
+			);
+			const profileTrigger = TabsTriggerProvider.create(
+				triggerOpts('tabs-trigger-profile', 'profile', profileTriggerEl)
+			);
+			return { accountTrigger, disabledTrigger, profileTrigger };
+		});
+
+		expect(result.disabledTrigger.props.disabled).toBe(true);
+
+		const next = keyEvent('ArrowRight', accountTriggerEl);
+		result.accountTrigger.onkeydown(next as never);
+		expect(next.preventDefault).toHaveBeenCalledOnce();
+		expect(focusSpy).toHaveBeenCalledWith(profileTriggerEl);
+
+		const home = keyEvent('Home', profileTriggerEl);
+		result.profileTrigger.onkeydown(home as never);
+		expect(home.preventDefault).toHaveBeenCalledOnce();
+		expect(focusSpy).toHaveBeenLastCalledWith(accountTriggerEl);
+
+		const end = keyEvent('End', accountTriggerEl);
+		result.accountTrigger.onkeydown(end as never);
+		expect(end.preventDefault).toHaveBeenCalledOnce();
+		expect(focusSpy).toHaveBeenLastCalledWith(profileTriggerEl);
+
+		cleanup();
+		dom.dispose();
+	});
+
+	it('keeps the first enabled trigger tabbable when the active value is missing', async () => {
+		const { dom } = installSomaHarness();
+		const root = createRoot();
+		const accountTriggerEl = createTriggerEl('account');
+		const profileTriggerEl = createTriggerEl('profile');
+		root.append(accountTriggerEl, profileTriggerEl);
+		const opts = tabsOpts(root);
+		opts.value.current = 'missing';
+
+		const { result, cleanup } = withEffectRoot(() => {
+			const provider = TabsProvider.create(opts);
+			vi.spyOn(TabsProvider, 'require').mockReturnValue(provider);
+			const accountTrigger = TabsTriggerProvider.create(
+				triggerOpts('tabs-trigger-account', 'account', accountTriggerEl)
+			);
+			const profileTrigger = TabsTriggerProvider.create(
+				triggerOpts('tabs-trigger-profile', 'profile', profileTriggerEl)
+			);
+			return { accountTrigger, profileTrigger };
+		});
+
+		expect(result.accountTrigger.props.tabindex).toBe(0);
+		expect(result.profileTrigger.props.tabindex).toBe(-1);
+
+		opts.value.current = 'profile';
+		await tick();
+		expect(result.accountTrigger.props.tabindex).toBe(-1);
+		expect(result.profileTrigger.props.tabindex).toBe(0);
+
+		cleanup();
+		dom.dispose();
+	});
+});