electron/spec-main/api-callbacks-registry-spec.js

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const chai = require('chai')
const dirtyChai = require('dirty-chai')
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const { expect } = chai
chai.use(dirtyChai)
const { CallbacksRegistry } = require('../lib/renderer/callbacks-registry')
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describe('CallbacksRegistry module', () => {
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let registry = null
beforeEach(() => {
registry = new CallbacksRegistry()
})
it('adds a callback to the registry', () => {
const cb = () => [1, 2, 3, 4, 5]
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const key = registry.add(cb)
expect(key).to.exist()
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})
it('returns a specified callback if it is in the registry', () => {
const cb = () => [1, 2, 3, 4, 5]
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const key = registry.add(cb)
const callback = registry.get(key)
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expect(callback.toString()).equal(cb.toString())
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})
it('returns an empty function if the cb doesnt exist', () => {
const callback = registry.get(1)
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expect(callback).to.be.a('function')
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})
it('removes a callback to the registry', () => {
const cb = () => [1, 2, 3, 4, 5]
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const key = registry.add(cb)
registry.remove(key)
const afterCB = registry.get(key)
expect(afterCB).to.be.a('function')
expect(afterCB.toString()).to.not.equal(cb.toString())
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})
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})