62 lines
2.3 KiB
TypeScript
62 lines
2.3 KiB
TypeScript
import { describe, it, expect, vi, beforeEach } from 'vitest';
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import { addWindowEventListener, dispatchWindowEvent } from '../../../src/renderer/utils/windowEvents';
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describe('windowEvents utils', () => {
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beforeEach(() => {
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vi.clearAllMocks();
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const listeners = new Map<string, Set<(event: Event) => void>>();
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(window as any).addEventListener = vi.fn((type: string, listener: (event: Event) => void) => {
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if (!listeners.has(type)) {
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listeners.set(type, new Set());
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}
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listeners.get(type)?.add(listener);
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});
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(window as any).removeEventListener = vi.fn((type: string, listener: (event: Event) => void) => {
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listeners.get(type)?.delete(listener);
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});
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(window as any).dispatchEvent = vi.fn((event: Event) => {
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listeners.get(event.type)?.forEach((listener) => listener(event));
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return true;
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});
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});
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it('dispatches custom events with detail payload', () => {
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const listener = vi.fn();
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addWindowEventListener('bds:scripts-changed', listener);
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const dispatched = dispatchWindowEvent('bds:scripts-changed', { scriptId: 'script-1' });
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expect(dispatched).toBe(true);
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expect(listener).toHaveBeenCalledTimes(1);
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const event = listener.mock.calls[0][0] as CustomEvent<{ scriptId: string }>;
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expect(event.detail).toEqual({ scriptId: 'script-1' });
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});
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it('returns no-op unsubscribe when listener APIs are unavailable', () => {
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const originalAdd = (window as any).addEventListener;
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const originalRemove = (window as any).removeEventListener;
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(window as any).addEventListener = undefined;
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(window as any).removeEventListener = undefined;
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const unsubscribe = addWindowEventListener('bds:scripts-changed', vi.fn());
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expect(typeof unsubscribe).toBe('function');
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expect(() => unsubscribe()).not.toThrow();
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(window as any).addEventListener = originalAdd;
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(window as any).removeEventListener = originalRemove;
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});
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it('subscribes and unsubscribes listeners', () => {
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const listener = vi.fn();
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const unsubscribe = addWindowEventListener('bds:scripts-changed', listener);
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dispatchWindowEvent('bds:scripts-changed');
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expect(listener).toHaveBeenCalledTimes(1);
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unsubscribe();
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dispatchWindowEvent('bds:scripts-changed');
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expect(listener).toHaveBeenCalledTimes(1);
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});
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});
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