el.dispatchEvent(event)
await nextTick()
el.dispatchEvent(event)
+ await nextTick()
expect(fn).toHaveBeenCalledTimes(3)
})
el.dispatchEvent(event)
await nextTick()
el.dispatchEvent(event)
+ await nextTick()
expect(prevFn).toHaveBeenCalledTimes(1)
expect(nextFn).toHaveBeenCalledTimes(2)
})
- it('should support multiple event handlers', () => {
+ it('should support multiple event handlers', async () => {
const el = document.createElement('div')
const event = new Event('click')
const fn1 = jest.fn()
const fn2 = jest.fn()
patchEvent(el, 'click', null, [fn1, fn2], null)
el.dispatchEvent(event)
+ await nextTick()
expect(fn1).toHaveBeenCalledTimes(1)
expect(fn2).toHaveBeenCalledTimes(1)
})
- it('should unassign event handler', () => {
+ it('should unassign event handler', async () => {
const el = document.createElement('div')
const event = new Event('click')
const fn = jest.fn()
patchEvent(el, 'click', null, fn, null)
patchEvent(el, 'click', fn, null, null)
el.dispatchEvent(event)
+ await nextTick()
expect(fn).not.toHaveBeenCalled()
})
el.dispatchEvent(event)
await nextTick()
el.dispatchEvent(event)
+ await nextTick()
expect(fn).toHaveBeenCalledTimes(1)
})
el.dispatchEvent(event)
await nextTick()
el.dispatchEvent(event)
+ await nextTick()
expect(prevFn).not.toHaveBeenCalled()
expect(nextFn).toHaveBeenCalledTimes(1)
})
el.dispatchEvent(event)
await nextTick()
el.dispatchEvent(event)
+ await nextTick()
expect(fn).not.toHaveBeenCalled()
})
})