test(vue3): add SignerMenu coverage

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

Author: vitormattos

src/tests/components/PdfEditor/SignerMenu.spec.ts

@@ -0,0 +1,82 @@
+/**
+ * SPDX-FileCopyrightText: 2026 LibreCode coop and contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+import { describe, expect, it, vi } from 'vitest'
+import { mount } from '@vue/test-utils'
+
+import SignerMenu from '../../../components/PdfEditor/SignerMenu.vue'
+
+describe('SignerMenu.vue', () => {
+	const signers = [
+		{ id: 1, displayName: 'Ada Lovelace' },
+		{ id: 2, email: 'grace@example.com' },
+	]
+
+	function createWrapper(props = {}) {
+		return mount(SignerMenu, {
+			props: {
+				signers,
+				currentSigner: signers[0],
+				...props,
+			},
+			global: {
+				stubs: {
+					NcActions: {
+						name: 'NcActions',
+						props: ['forceMenu', 'menuName', 'variant'],
+						template: '<div class="actions-stub"><slot name="icon" /><slot /></div>',
+					},
+					NcActionButton: {
+						name: 'NcActionButton',
+						props: ['closeAfterClick'],
+						emits: ['click'],
+						template: '<button class="action-button-stub" @click="$emit(\'click\')"><slot name="icon" /><slot /></button>',
+					},
+					NcAvatar: {
+						name: 'NcAvatar',
+						props: ['size', 'isNoUser', 'displayName'],
+						template: '<span class="avatar-stub">{{ displayName }}</span>',
+					},
+					NcIconSvgWrapper: {
+						name: 'NcIconSvgWrapper',
+						props: ['path', 'size'],
+						template: '<span class="icon-stub"></span>',
+					},
+				},
+			},
+		})
+	}
+
+	it('renders the current signer label when visible', () => {
+		const wrapper = createWrapper()
+
+		expect(wrapper.find('.actions-stub').exists()).toBe(true)
+		expect(wrapper.text()).toContain('Ada Lovelace')
+	})
+
+	it('does not render when show is false', () => {
+		const wrapper = createWrapper({ show: false })
+
+		expect(wrapper.find('.actions-stub').exists()).toBe(false)
+	})
+
+	it('uses the provided label getter when available', () => {
+		const wrapper = createWrapper({
+			getSignerLabel: (signer: { id: number }) => `Signer #${signer.id}`,
+		})
+
+		expect(wrapper.text()).toContain('Signer #1')
+		expect(wrapper.text()).toContain('Signer #2')
+	})
+
+	it('emits change when a signer is selected', async () => {
+		const wrapper = createWrapper()
+		const buttons = wrapper.findAll('.action-button-stub')
+
+		await buttons[1].trigger('click')
+
+		expect(wrapper.emitted('change')).toEqual([[signers[1]]])
+	})
+})