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2026-08-13 01:33:31 +08:00

251 lines
9.8 KiB
TypeScript

// @vitest-environment jsdom
import { afterEach, describe, expect, it, vi } from 'vitest'
import { Context } from '@deepseek-ai/cordis'
import { stubSettingsScope, type StubSettingsScope } from '@deepseek-ai/dsh-client-test-runtime'
import type {
ThemeSettings,
ThemeSnapshot,
ThemeTokenOverrides,
} from '@deepseek-ai/dsh-client-ui-theme/client'
import { ThemeRuntime } from '@deepseek-ai/dsh-client-ui-theme/client'
const make = (host = stubSettingsScope<ThemeSettings>()): {
ctx: Context
theme: ThemeRuntime
events: ThemeSnapshot[]
host: StubSettingsScope<ThemeSettings>
} => {
const ctx = new Context()
const events: ThemeSnapshot[] = []
ctx.on('theme/change', (snapshot) => { events.push(snapshot) })
return { ctx, theme: new ThemeRuntime(ctx, host.scope), events, host }
}
describe('ThemeRuntime', () => {
it('defaults to the system preference resolved against prefers-color-scheme', () => {
const { theme } = make()
const snapshot = theme.getTheme()
expect(snapshot.preference).toBe('system')
// jsdom matchMedia is absent; system resolves to light.
expect(snapshot.active.id).toBe('light')
expect(snapshot.active.colorScheme).toBe('light')
expect(snapshot.themes.map(t => t.id)).toEqual(['light', 'dark'])
})
it('setTheme switches, writes through the scope, republishes, and keeps DOM untouched', () => {
const { theme, events, host } = make()
theme.setTheme('dark')
expect(theme.getTheme().preference).toBe('dark')
expect(theme.getTheme().active.colorScheme).toBe('dark')
expect(host.set).toHaveBeenCalledWith('preference', 'dark')
expect(events).toHaveLength(1)
expect(events[0]).toBe(theme.getTheme())
// The service never touches presentation state.
expect(document.body.hasAttribute('data-ds-dark-theme')).toBe(false)
// Same-value set is a no-op (no extra event).
theme.setTheme('dark')
expect(events).toHaveLength(1)
expect(host.set).toHaveBeenCalledOnce()
})
it('adopts a published Host section without writing it back', () => {
const { theme, events, host } = make()
host.publish({ status: 'ready', value: { preference: 'dark' }, revision: 1, writable: true })
expect(theme.getTheme().preference).toBe('dark')
expect(events).toHaveLength(1)
expect(host.set).not.toHaveBeenCalled()
host.publish({ value: { preference: 'dark' }, revision: 2 })
expect(events).toHaveLength(1)
})
it('adopts a section already standing at construction', () => {
const host = stubSettingsScope<ThemeSettings>()
host.publish({ status: 'ready', value: { preference: 'dark' }, revision: 1, writable: true })
const { theme } = make(host)
expect(theme.getTheme().preference).toBe('dark')
})
it('throws on unknown setTheme ids, duplicate registration, and the system id', () => {
const { theme } = make()
expect(() => { theme.setTheme('sepia') }).toThrow('not registered')
expect(() => theme.register({ id: 'light', colorScheme: 'light', tokens: {} })).toThrow('already registered')
expect(() => theme.register({ id: 'system', colorScheme: 'light', tokens: {} })).toThrow('preference')
})
it('registered themes join the snapshot; disposing the active one resets to default', () => {
const { theme, events, host } = make()
const dispose = theme.register({ id: 'sepia', colorScheme: 'light', tokens: { '--dsw-alias-bg-base': 'red' } })
expect(theme.getTheme().themes.map(t => t.id)).toEqual(['light', 'dark', 'sepia'])
theme.setTheme('sepia')
expect(theme.getTheme().active.tokens['--dsw-alias-bg-base']).toBe('red')
dispose()
expect(theme.getTheme().preference).toBe('system')
expect(theme.getTheme().themes.map(t => t.id)).toEqual(['light', 'dark'])
// Custom ids are in-process extension themes; only the built-in product
// preferences cross the Host settings schema.
expect(host.set).not.toHaveBeenCalled()
// register + set + dispose = three publishes; disposer is idempotent.
expect(events.length).toBe(3)
dispose()
expect(events.length).toBe(3)
})
it('disposing an inactive theme keeps the active preference', () => {
const { theme } = make()
const dispose = theme.register({ id: 'sepia', colorScheme: 'light', tokens: {} })
theme.setTheme('dark')
dispose()
expect(theme.getTheme().preference).toBe('dark')
})
it('revision increases monotonically across every publish', () => {
const { theme, events } = make()
theme.setTheme('dark')
theme.setTheme('light')
const dispose = theme.register({ id: 'sepia', colorScheme: 'dark', tokens: {} })
dispose()
expect(events.map(e => e.revision)).toEqual([1, 2, 3, 4])
})
it('stacks reversible token overrides in call order and selects the active palette value', () => {
const { theme } = make()
const firstTokens: ThemeTokenOverrides = {
'--shared': { light: 'first-light', dark: 'first-dark' },
'--first': { light: 'first-only-light', dark: 'first-only-dark' },
}
const disposeFirst = theme.overrideTokens('first', firstTokens)
firstTokens['--shared']!.light = 'mutated-after-call'
const disposeSecond = theme.overrideTokens('second', {
'--shared': { light: 'second-light', dark: 'second-dark' },
})
expect(theme.getTheme().active.tokens).toMatchObject({
'--first': 'first-only-light',
'--shared': 'second-light',
})
theme.setTheme('dark')
expect(theme.getTheme().active.tokens).toMatchObject({
'--first': 'first-only-dark',
'--shared': 'second-dark',
})
disposeSecond()
expect(theme.getTheme().active.tokens['--shared']).toBe('first-dark')
disposeFirst()
expect(theme.getTheme().active.tokens['--shared']).toBeUndefined()
})
it('replacing one source leaves its stale disposer harmless', () => {
const { theme, events } = make()
const stale = theme.overrideTokens('package', {
'--old': { light: 'old-light', dark: 'old-dark' },
})
const current = theme.overrideTokens('package', {
'--new': { light: 'new-light', dark: 'new-dark' },
})
stale()
expect(theme.getTheme().active.tokens).toEqual({ '--new': 'new-light' })
current()
current()
expect(theme.getTheme().active.tokens).toEqual({})
expect(events).toHaveLength(3)
})
it('exports sorted built-in, registered, and override-only token descriptions as copies', () => {
const { theme } = make()
theme.register({
id: 'custom',
colorScheme: 'light',
tokens: {
'--dsw-alias-bg-base': 'duplicate-built-in',
'--registered': 'registered',
},
})
theme.overrideTokens('package', {
'--registered': { light: 'duplicate-registered', dark: 'duplicate-registered' },
semanticAccent: { light: 'pink', dark: 'red' },
})
const tokens = theme.exportInspectTokens()
expect(tokens.map(token => token.name)).toEqual([...tokens.map(token => token.name)].sort())
expect(tokens.find(token => token.name === '--registered')).toMatchObject({
valueType: 'CSS value',
cssVariable: '--registered',
})
const semantic = tokens.find(token => token.name === 'semanticAccent')
expect(semantic).toMatchObject({ valueType: 'CSS value' })
expect(semantic).not.toHaveProperty('cssVariable')
expect(tokens.filter(token => token.name === '--dsw-alias-bg-base')).toHaveLength(1)
tokens[0]!.description = 'caller mutation'
expect(theme.exportInspectTokens()[0]!.description).not.toBe('caller mutation')
})
it('rejects every malformed token override value with a teaching error', () => {
const { theme } = make()
const override = (value: unknown): void => {
theme.overrideTokens('package', { '--bad': value } as unknown as ThemeTokenOverrides)
}
expect(() => { override('red') }).toThrow(/bare string.*light.*dark/)
for (const value of [1, null, {}, { light: 1, dark: 'dark' }, { light: 'light' }]) {
expect(() => { override(value) }).toThrow(/must map to a \{ light, dark \} pair/)
}
})
it('context dispose releases the scope subscription', async () => {
const { ctx, host } = make()
expect(host.listenerCount()).toBe(1)
await ctx.fiber.dispose()
expect(host.listenerCount()).toBe(0)
})
describe('prefers-color-scheme resolution (stubbed matchMedia)', () => {
type Listener = () => void
const stubMedia = (initialMatches: boolean) => {
const listeners = new Set<Listener>()
const media = {
matches: initialMatches,
addEventListener: (_: 'change', fn: Listener) => { listeners.add(fn) },
removeEventListener: (_: 'change', fn: Listener) => { listeners.delete(fn) },
flip() {
this.matches = !this.matches
for (const fn of listeners) fn()
},
listenerCount: () => listeners.size,
}
vi.stubGlobal('matchMedia', () => media)
return media
}
afterEach(() => { vi.unstubAllGlobals() })
it('system resolves against the media query and follows OS flips', () => {
const media = stubMedia(true)
const { theme, events } = make()
expect(theme.getTheme().preference).toBe('system')
expect(theme.getTheme().active.id).toBe('dark')
media.flip()
expect(theme.getTheme().active.id).toBe('light')
expect(events).toHaveLength(1)
})
it('OS flips do not republish while a concrete preference is set', () => {
const media = stubMedia(false)
const { theme, events } = make()
theme.setTheme('light')
expect(events).toHaveLength(1)
media.flip()
expect(events).toHaveLength(1)
expect(theme.getTheme().active.id).toBe('light')
})
it('context dispose releases the media listener', async () => {
const media = stubMedia(false)
const { ctx } = make()
expect(media.listenerCount()).toBe(1)
await ctx.fiber.dispose()
expect(media.listenerCount()).toBe(0)
})
})
})