Files
waooplus/tests/unit/script-view/selection-sync.test.ts

44 lines
1.3 KiB
TypeScript

import { describe, expect, it } from 'vitest'
import {
reuseStringArrayIfEqual,
reuseStringSetIfEqual,
} from '@/app/[locale]/workspace/[projectId]/modes/novel-promotion/components/script-view/selection-sync'
describe('script view selection sync', () => {
it('reuses the previous array reference when ids are unchanged', () => {
const previous = ['char-1', 'char-2']
const next = ['char-1', 'char-2']
const result = reuseStringArrayIfEqual(previous, next)
expect(result).toBe(previous)
})
it('returns the next array when ids changed', () => {
const previous = ['char-1', 'char-2']
const next = ['char-1', 'prop-1']
const result = reuseStringArrayIfEqual(previous, next)
expect(result).toBe(next)
})
it('reuses the previous set reference when selected appearance keys are unchanged', () => {
const previous = new Set(['char-1::Base', 'char-2::Alt'])
const next = new Set(['char-2::Alt', 'char-1::Base'])
const result = reuseStringSetIfEqual(previous, next)
expect(result).toBe(previous)
})
it('returns the next set when selected appearance keys changed', () => {
const previous = new Set(['char-1::Base'])
const next = new Set(['char-1::Base', 'char-2::Alt'])
const result = reuseStringSetIfEqual(previous, next)
expect(result).toBe(next)
})
})