100 lines
2.7 KiB
JavaScript
100 lines
2.7 KiB
JavaScript
const chai = require('chai')
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const dirtyChai = require('dirty-chai')
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const {deprecations, deprecate, nativeImage} = require('electron')
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const {expect} = chai
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chai.use(dirtyChai)
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describe('deprecations', () => {
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beforeEach(() => {
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deprecations.setHandler(null)
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process.throwDeprecation = true
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})
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it('allows a deprecation handler function to be specified', () => {
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const messages = []
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deprecations.setHandler(message => {
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messages.push(message)
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})
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deprecate.log('this is deprecated')
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expect(messages).to.deep.equal(['this is deprecated'])
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})
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it('returns a deprecation handler after one is set', () => {
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const messages = []
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deprecations.setHandler(message => {
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messages.push(message)
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})
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deprecate.log('this is deprecated')
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expect(deprecations.getHandler()).to.be.a('function')
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})
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it('returns a deprecation warning', () => {
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const messages = []
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deprecations.setHandler(message => {
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messages.push(message)
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})
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deprecate.warn('old', 'new')
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expect(messages).to.deep.equal([`'old' is deprecated. Use 'new' instead.`])
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})
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it('renames a method', () => {
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expect(nativeImage.createFromDataUrl).to.be.undefined()
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expect(nativeImage.createFromDataURL).to.be.a('function')
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deprecate.alias(nativeImage, 'createFromDataUrl', 'createFromDataURL')
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expect(nativeImage.createFromDataUrl).to.be.a('function')
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})
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it('renames a property', () => {
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let msg
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deprecations.setHandler((m) => { msg = m })
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const oldPropertyName = 'dingyOldName'
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const newPropertyName = 'shinyNewName'
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let value = 0
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let o = { [newPropertyName]: value }
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expect(o).to.not.have.a.property(oldPropertyName)
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expect(o).to.have.a.property(newPropertyName).that.is.a('number')
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deprecate.property(o, oldPropertyName, newPropertyName)
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o[oldPropertyName] = ++value
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expect(msg).to.be.a('string')
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expect(msg).to.include(oldPropertyName)
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expect(msg).to.include(newPropertyName)
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expect(o).to.have.a.property(newPropertyName).that.is.equal(value)
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expect(o).to.have.a.property(oldPropertyName).that.is.equal(value)
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})
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it('warns if deprecated property is already set', () => {
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let msg
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deprecations.setHandler((m) => { msg = m })
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const oldPropertyName = 'dingyOldName'
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const newPropertyName = 'shinyNewName'
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const value = 0
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let o = { [oldPropertyName]: value }
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deprecate.property(o, oldPropertyName, newPropertyName)
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expect(msg).to.be.a('string')
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expect(msg).to.include(oldPropertyName)
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expect(msg).to.include(newPropertyName)
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})
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it('throws an exception if no deprecation handler is specified', () => {
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expect(() => {
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deprecate.log('this is deprecated')
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}).to.throw(/this is deprecated/)
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})
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})
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