26 lines
653 B
JavaScript
26 lines
653 B
JavaScript
import { emitter } from '../mitt';
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describe('emitter', () => {
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it('should emit and listen to events correctly', () => {
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const mockCallback = vi.fn();
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// Subscribe to an event
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emitter.on('event', mockCallback);
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// Emit the event
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emitter.emit('event', 'data');
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// Expect the callback to be called with the correct data
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expect(mockCallback).toHaveBeenCalledWith('data');
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// Unsubscribe from the event
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emitter.off('event', mockCallback);
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// Emit the event again
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emitter.emit('event', 'data');
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// Expect the callback not to be called again
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expect(mockCallback).toHaveBeenCalledTimes(1);
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});
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});
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