imccyu
a3ee5dd8a0
Generated docs follow the ui-models rename and the removed ui-settings-general package; the English note side picks up the feature-owner self-registration doctrine.
31 lines
1.2 KiB
TypeScript
31 lines
1.2 KiB
TypeScript
/** Language row store: snapshot-mirror action and the revision guard. */
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import { describe, expect, it } from 'vitest'
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import { createLanguageRowStore } from '../src/client/settings-store.ts'
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const OPTIONS = [{ id: 'zh', label: '中文' }, { id: 'en', label: 'English' }]
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describe('createLanguageRowStore', () => {
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it('init shape: empty mirror with revision at -1', () => {
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const store = createLanguageRowStore().create()
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expect(store.getSnapshot()).toEqual({ active: '', options: [], revision: -1 })
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})
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it('sync mirrors the snapshot and advances the revision', () => {
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const store = createLanguageRowStore().create()
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store.actions.sync('zh', OPTIONS, 0)
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expect(store.getSnapshot()).toEqual({ active: 'zh', options: OPTIONS, revision: 0 })
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store.actions.sync('en', OPTIONS, 1)
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expect(store.getSnapshot().active).toBe('en')
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expect(store.getSnapshot().revision).toBe(1)
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})
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it('revision guard drops stale and duplicate writes', () => {
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const store = createLanguageRowStore().create()
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store.actions.sync('en', OPTIONS, 5)
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store.actions.sync('zh', OPTIONS, 4)
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store.actions.sync('zh', OPTIONS, 5)
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expect(store.getSnapshot().active).toBe('en')
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expect(store.getSnapshot().revision).toBe(5)
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})
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})
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