test(utils): cover select option helpers

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

Author: vitormattos

src/tests/utils/selectFieldOptions.spec.ts

@@ -0,0 +1,61 @@
+// SPDX-FileCopyrightText: 2026 LibreCode coop and LibreCode contributors
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+import { describe, expect, it } from 'vitest'
+
+import {
+	createEditableSelectOptions,
+	extractEditableSelectOptionValues,
+	normalizeEditableSelectOptionValue,
+	parseEditableSelectOptionValues,
+	moveEditableSelectOption,
+} from '../../utils/selectFieldOptions.ts'
+
+describe('selectFieldOptions', () => {
+	it('creates draggable options with stable ids and preserves values', () => {
+		let nextId = 0
+		const createId = () => `option-${nextId++}`
+
+		expect(createEditableSelectOptions(['Alpha', 'Beta'], createId)).toEqual([
+			{ id: 'option-0', value: 'Alpha' },
+			{ id: 'option-1', value: 'Beta' },
+		])
+	})
+
+	it('extracts option values for persistence', () => {
+		expect(extractEditableSelectOptionValues([
+			{ id: 'option-0', value: 'Alpha' },
+			{ id: 'option-1', value: 'Beta' },
+		])).toEqual(['Alpha', 'Beta'])
+	})
+
+	it('normalizes option values for duplicate detection', () => {
+		expect(normalizeEditableSelectOptionValue('  Alpha  ')).toBe('alpha')
+		expect(normalizeEditableSelectOptionValue('BeTa')).toBe('beta')
+	})
+
+	it('parses multiple option lines and ignores blanks', () => {
+		expect(parseEditableSelectOptionValues('Alpha\n\n Beta \n  \nGamma')).toEqual(['Alpha', 'Beta', 'Gamma'])
+	})
+
+	it('moves an option one position up or down', () => {
+		const options = [
+			{ id: 'option-0', value: 'Alpha' },
+			{ id: 'option-1', value: 'Beta' },
+			{ id: 'option-2', value: 'Gamma' },
+		]
+
+		expect(moveEditableSelectOption(options, 1, -1).map(({ id }) => id)).toEqual(['option-1', 'option-0', 'option-2'])
+		expect(moveEditableSelectOption(options, 1, 1).map(({ id }) => id)).toEqual(['option-0', 'option-2', 'option-1'])
+	})
+
+	it('returns the original array when the move is out of bounds', () => {
+		const options = [
+			{ id: 'option-0', value: 'Alpha' },
+			{ id: 'option-1', value: 'Beta' },
+		]
+
+		expect(moveEditableSelectOption(options, 0, -1)).toBe(options)
+		expect(moveEditableSelectOption(options, 1, 1)).toBe(options)
+	})
+})