electron/spec/api-deprecations-spec.js
2017-11-20 15:12:34 +01:00

57 lines
1.5 KiB
JavaScript

const assert = require('assert')
const {deprecations, deprecate, nativeImage} = require('electron')
describe('deprecations', () => {
beforeEach(() => {
deprecations.setHandler(null)
process.throwDeprecation = true
})
it('allows a deprecation handler function to be specified', () => {
const messages = []
deprecations.setHandler((message) => {
messages.push(message)
})
deprecate.log('this is deprecated')
assert.deepEqual(messages, ['this is deprecated'])
})
it('returns a deprecation handler after one is set', () => {
const messages = []
deprecations.setHandler((message) => {
messages.push(message)
})
deprecate.log('this is deprecated')
assert(typeof deprecations.getHandler() === 'function')
})
it('returns a deprecation warning', () => {
const messages = []
deprecations.setHandler((message) => {
messages.push(message)
})
deprecate.warn('old', 'new')
assert.deepEqual(messages, [`'old' is deprecated. Use 'new' instead.`])
})
it('renames a method', () => {
assert.equal(typeof nativeImage.createFromDataUrl, 'undefined')
assert.equal(typeof nativeImage.createFromDataURL, 'function')
deprecate.alias(nativeImage, 'createFromDataUrl', 'createFromDataURL')
assert.equal(typeof nativeImage.createFromDataUrl, 'function')
})
it('throws an exception if no deprecation handler is specified', () => {
assert.throws(() => {
deprecate.log('this is deprecated')
}, /this is deprecated/)
})
})