test(account): add Signatures slot regression spec

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

src/tests/views/Account/partials/Signatures.spec.ts

@@ -0,0 +1,55 @@
+/*
+ * SPDX-FileCopyrightText: 2026 LibreSign contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+import { describe, expect, it, vi } from 'vitest'
+import { mount } from '@vue/test-utils'
+
+import Signatures from '../../../../views/Account/partials/Signatures.vue'
+
+vi.mock('@nextcloud/l10n', () => ({
+	t: vi.fn((_app: string, text: string) => text),
+	translate: vi.fn((_app: string, text: string) => text),
+	translatePlural: vi.fn((_app: string, singular: string, plural: string, count: number) => (count === 1 ? singular : plural)),
+	n: vi.fn((_app: string, singular: string, plural: string, count: number) => (count === 1 ? singular : plural)),
+	isRTL: vi.fn(() => false),
+	getLanguage: vi.fn(() => 'en'),
+	getLocale: vi.fn(() => 'en'),
+}))
+
+vi.mock('@nextcloud/capabilities', () => ({
+	getCapabilities: vi.fn(() => ({
+		libresign: {
+			config: {
+				'sign-elements': {
+					'is-available': true,
+					'can-create-signature': true,
+				},
+			},
+		},
+	})),
+}))
+
+describe('Signatures.vue', () => {
+	it('passes empty-state message and title through named slots', () => {
+		const wrapper = mount(Signatures, {
+			global: {
+				stubs: {
+					Signature: {
+						template: `
+							<div class="signature-stub">
+								<div class="slot-title"><slot name="title" /></div>
+								<div class="slot-empty"><slot name="no-signatures" /></div>
+							</div>
+						`,
+					},
+				},
+			},
+		})
+
+		expect(wrapper.text()).toContain('Your signatures')
+		expect(wrapper.find('.slot-title').text()).toContain('Signature')
+		expect(wrapper.find('.slot-empty').text()).toContain('No signature, click here to create a new one')
+	})
+})