62 lines
3.1 KiB
TypeScript
62 lines
3.1 KiB
TypeScript
// @vitest-environment jsdom
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// ThemePresenter behavior account: root color-scheme and the palette attribute
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// follow active.colorScheme only, token variables replace the previous apply's
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// set, and dispose retracts everything the presenter wrote.
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import { beforeEach, describe, expect, it } from 'vitest'
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import type { ThemeSnapshot } from '@deepseek-ai/dsh-client-ui-theme/client'
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import { DARK_ATTRIBUTE, ThemePresenter } from '@deepseek-ai/dsh-client-ui-layout/src/client/theme-presenter.ts'
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function snapshot(colorScheme: 'light' | 'dark', tokens: Record<string, string> = {}): ThemeSnapshot {
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// The presenter must key off colorScheme, not the id — keep them distinct.
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const active = { id: `${colorScheme}-test`, colorScheme, tokens }
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return { preference: colorScheme, active, themes: [active], revision: 1 }
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}
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beforeEach(() => {
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document.documentElement.style.removeProperty('color-scheme')
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document.body.removeAttribute(DARK_ATTRIBUTE)
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document.body.removeAttribute('style')
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})
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describe('ThemePresenter', () => {
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it('light scheme sets root color-scheme and leaves the dark attribute absent', () => {
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const presenter = new ThemePresenter()
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presenter.apply(snapshot('light'))
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expect(document.documentElement.style.colorScheme).toBe('light')
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expect(document.body.hasAttribute(DARK_ATTRIBUTE)).toBe(false)
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})
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it('dark scheme sets root color-scheme and the attribute; switching to light clears both', () => {
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const presenter = new ThemePresenter()
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presenter.apply(snapshot('dark'))
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expect(document.documentElement.style.colorScheme).toBe('dark')
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expect(document.body.hasAttribute(DARK_ATTRIBUTE)).toBe(true)
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presenter.apply(snapshot('light'))
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expect(document.documentElement.style.colorScheme).toBe('light')
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expect(document.body.hasAttribute(DARK_ATTRIBUTE)).toBe(false)
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})
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it('applies tokens as inline variables and clears the previous set on theme change', () => {
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const presenter = new ThemePresenter()
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presenter.apply(snapshot('dark', { '--dsw-alias-bg': '#111', '--dsw-alias-fg': '#eee' }))
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expect(document.body.style.getPropertyValue('--dsw-alias-bg')).toBe('#111')
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expect(document.body.style.getPropertyValue('--dsw-alias-fg')).toBe('#eee')
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presenter.apply(snapshot('light', { '--dsw-alias-bg': '#fff' }))
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expect(document.body.style.getPropertyValue('--dsw-alias-bg')).toBe('#fff')
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// The old theme's extra variable is gone, not merged.
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expect(document.body.style.getPropertyValue('--dsw-alias-fg')).toBe('')
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})
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it('dispose removes color-scheme, the attribute, and every applied variable, sparing foreign inline styles', () => {
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document.body.style.setProperty('--foreign', 'kept')
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const presenter = new ThemePresenter()
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presenter.apply(snapshot('dark', { '--dsw-alias-bg': '#111' }))
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presenter.dispose()
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expect(document.documentElement.style.colorScheme).toBe('')
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expect(document.body.hasAttribute(DARK_ATTRIBUTE)).toBe(false)
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expect(document.body.style.getPropertyValue('--dsw-alias-bg')).toBe('')
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expect(document.body.style.getPropertyValue('--foreign')).toBe('kept')
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})
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})
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