mirror of
https://github.com/wailsapp/wails.git
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116 lines
3.2 KiB
JavaScript
116 lines
3.2 KiB
JavaScript
import { On, Off, OffAll, OnMultiple, CustomEvent, dispatchCustomEvent, eventListeners, Once } from './events'
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import { expect, describe, it, vi, afterEach, beforeEach } from 'vitest'
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afterEach(() => {
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OffAll();
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vi.resetAllMocks()
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})
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describe('OnMultiple', () => {
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let testEvent = new CustomEvent('a', {})
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it('should stop after a specified number of times', () => {
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const cb = vi.fn()
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OnMultiple('a', cb, 5)
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dispatchCustomEvent(testEvent)
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dispatchCustomEvent(testEvent)
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dispatchCustomEvent(testEvent)
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dispatchCustomEvent(testEvent)
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dispatchCustomEvent(testEvent)
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dispatchCustomEvent(testEvent)
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expect(cb).toBeCalledTimes(5);
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})
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it('should return a cancel fn', () => {
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const cb = vi.fn()
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const cancel = OnMultiple('a', cb, 5)
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dispatchCustomEvent(testEvent)
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dispatchCustomEvent(testEvent)
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cancel()
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dispatchCustomEvent(testEvent)
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dispatchCustomEvent(testEvent)
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expect(cb).toBeCalledTimes(2)
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})
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})
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describe('On', () => {
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it('should create a listener with a count of -1', () => {
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On('a', () => {})
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expect(eventListeners.get("a")[0].maxCallbacks).toBe(-1)
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})
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it('should return a cancel fn', () => {
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const cancel = On('a', () => {})
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cancel();
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})
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})
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describe('Once', () => {
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it('should create a listener with a count of 1', () => {
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Once('a', () => {})
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expect(eventListeners.get("a")[0].maxCallbacks).toBe(1)
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})
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it('should return a cancel fn', () => {
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const cancel = EventsOn('a', () => {})
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cancel();
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})
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})
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//
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// describe('EventsNotify', () => {
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// it('should inform a listener', () => {
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// const cb = vi.fn()
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// EventsOn('a', cb)
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// EventsNotify(JSON.stringify({name: 'a', data: ["one", "two", "three"]}))
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// expect(cb).toBeCalledTimes(1);
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// expect(cb).toHaveBeenLastCalledWith("one", "two", "three");
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// expect(window.WailsInvoke).toBeCalledTimes(0);
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// })
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// })
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//
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// describe('EventsEmit', () => {
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// it('should emit an event', () => {
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// EventsEmit('a', 'one', 'two', 'three')
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// expect(window.WailsInvoke).toBeCalledTimes(1);
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// const calledWith = window.WailsInvoke.calls[0][0];
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// expect(calledWith.slice(0, 2)).toBe('EE')
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// expect(JSON.parse(calledWith.slice(2))).toStrictEqual({data: ["one", "two", "three"], name: "a"})
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// })
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// })
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//
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describe('Off', () => {
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beforeEach(() => {
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On('a', () => {})
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On('a', () => {})
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On('a', () => {})
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On('b', () => {})
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On('c', () => {})
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})
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it('should cancel all event listeners for a single type', () => {
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Off('a')
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expect(eventListeners.get('a')).toBeUndefined()
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expect(eventListeners.get('b')).not.toBeUndefined()
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expect(eventListeners.get('c')).not.toBeUndefined()
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})
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it('should cancel all event listeners for multiple types', () => {
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Off('a', 'b')
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expect(eventListeners.get('a')).toBeUndefined()
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expect(eventListeners.get('b')).toBeUndefined()
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expect(eventListeners.get('c')).not.toBeUndefined()
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})
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})
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describe('OffAll', () => {
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it('should cancel all event listeners', () => {
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On('a', () => {})
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On('a', () => {})
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On('a', () => {})
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On('b', () => {})
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On('c', () => {})
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OffAll()
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expect(eventListeners.size).toBe(0)
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})
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})
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