wehub-resource-sync
57 lines
2.0 KiB
TypeScript
57 lines
2.0 KiB
TypeScript
import { describe, it, expect, vi, beforeEach } from 'vitest';
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// vi.mock factories are hoisted above const declarations — use vi.hoisted to avoid TDZ errors
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const { setActiveTheme, configGet } = vi.hoisted(() => ({
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setActiveTheme: vi.fn().mockResolvedValue(undefined),
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configGet: vi.fn(),
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}));
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vi.mock('@/renderer/utils/theme/applyTheme', () => ({ setActiveTheme }));
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vi.mock('@/common/config/configService', () => ({ configService: { get: configGet } }));
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import { startSystemThemeWatcher } from '@renderer/utils/theme/systemThemeWatcher';
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import { SYSTEM_THEME_ID } from '@/common/theme/constants';
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type ChangeHandler = (e: { matches: boolean }) => void;
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function installMatchMedia() {
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const handlers = new Set<ChangeHandler>();
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window.matchMedia = vi.fn().mockReturnValue({
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matches: false,
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addEventListener: (_: string, h: ChangeHandler) => handlers.add(h),
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removeEventListener: (_: string, h: ChangeHandler) => handlers.delete(h),
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}) as unknown as typeof window.matchMedia;
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return { fire: (next: boolean) => handlers.forEach((h) => h({ matches: next })) };
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}
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describe('startSystemThemeWatcher', () => {
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beforeEach(() => {
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vi.clearAllMocks();
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});
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it('re-applies the system theme on OS change while system mode is active', () => {
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const media = installMatchMedia();
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configGet.mockReturnValue(SYSTEM_THEME_ID);
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startSystemThemeWatcher();
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media.fire(true);
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expect(setActiveTheme).toHaveBeenCalledWith(SYSTEM_THEME_ID);
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});
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it('does nothing when a non-system theme is active', () => {
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const media = installMatchMedia();
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configGet.mockReturnValue('misaka-mikoto-theme');
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startSystemThemeWatcher();
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media.fire(true);
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expect(setActiveTheme).not.toHaveBeenCalled();
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});
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it('stops re-applying after unsubscribe', () => {
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const media = installMatchMedia();
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configGet.mockReturnValue(SYSTEM_THEME_ID);
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const off = startSystemThemeWatcher();
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off();
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media.fire(true);
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expect(setActiveTheme).not.toHaveBeenCalled();
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});
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});
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