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97 lines
2.8 KiB
97 lines
2.8 KiB
6 months ago
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import { describe, expect, it } from 'vitest'
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import { validateMorfo, MorfoInvariantError } from '../schema'
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import type { Morfo } from '../types'
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import { toastMorfo } from './toast'
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function cloneMorfo(m: typeof toastMorfo): Morfo {
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return structuredClone(m as Morfo) as Morfo
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}
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describe('toastMorfo semantic contract', () => {
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it('passes shape + invariant validation', () => {
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expect(() => validateMorfo(toastMorfo)).not.toThrow()
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})
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it('declares announce semantics and supported intents in morfo', () => {
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const announce = toastMorfo.events?.find((event) => event.name === 'announce')
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expect(announce).toBeDefined()
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expect(announce?.semantic).toMatchObject({
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family: 'alert',
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intent: {
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fromProp: 'intent',
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default: 'neutral',
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supported: ['neutral', 'affirm', 'fulfill', 'risk', 'threat']
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}
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})
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})
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it('declares intent-driven role and aria-live on the item contract', () => {
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const item = toastMorfo.parts.find((part) => part.kebab === 'item')
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const role = item?.aria.find((entry) => entry.attr === 'role')
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const live = item?.aria.find((entry) => entry.attr === 'aria-live')
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expect(role).toMatchObject({
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attr: 'role',
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value: {
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kind: 'mapRef',
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source: { kind: 'propRef', prop: 'intent' },
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map: {
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neutral: 'status',
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affirm: 'status',
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fulfill: 'status',
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risk: 'alert',
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threat: 'alert'
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}
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}
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})
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expect(live).toMatchObject({
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attr: 'aria-live',
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value: {
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kind: 'mapRef',
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source: { kind: 'propRef', prop: 'intent' },
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map: {
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neutral: 'polite',
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affirm: 'polite',
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fulfill: 'polite',
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risk: 'assertive',
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threat: 'assertive'
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}
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}
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})
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})
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it('fails when the default intent is not in the supported list', () => {
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const broken = cloneMorfo(toastMorfo)
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const announce = broken.events?.find((event) => event.name === 'announce')
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if (!announce || !('intent' in announce.semantic) || typeof announce.semantic.intent === 'string') {
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throw new Error('announce semantic intent binding missing in fixture')
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}
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announce.semantic.intent.default = 'neutral'
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announce.semantic.intent.supported = ['affirm', 'risk']
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expect(() => validateMorfo(broken)).toThrow(MorfoInvariantError)
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expect(() => validateMorfo(broken)).toThrow(/default intent "neutral" must be included/)
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})
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it('fails when an intent map references an unknown local state', () => {
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const broken = cloneMorfo(toastMorfo)
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const item = broken.parts.find((part) => part.kebab === 'item')
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if (!item) throw new Error('item part missing in fixture')
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item.aria[0] = {
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attr: 'role',
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value: {
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kind: 'mapRef',
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source: { kind: 'stateRef', state: 'missing' },
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map: { true: 'alert', false: 'status' }
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}
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}
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expect(() => validateMorfo(broken)).toThrow(MorfoInvariantError)
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expect(() => validateMorfo(broken)).toThrow(/stateRef "missing"/)
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})
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})
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