2019-03-15 11:42:41 +08:00
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import * as emitter from '@/js/event'
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2018-09-07 10:14:31 +08:00
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test('add listener and emit event', () => {
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2019-03-15 11:42:41 +08:00
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const mockA = jest.fn()
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const mockB = jest.fn()
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2018-09-07 10:14:31 +08:00
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2019-03-15 11:42:41 +08:00
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emitter.on('a', mockA)
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emitter.on('b', mockB)
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2018-09-07 10:14:31 +08:00
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2019-03-15 11:42:41 +08:00
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emitter.emit('a')
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2018-09-07 10:14:31 +08:00
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2019-03-15 11:42:41 +08:00
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expect(mockA).toBeCalledTimes(1)
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expect(mockB).not.toBeCalled()
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})
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