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spec: convert deprecations to expect (#13268)

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* spec: convert deprecations to expect

* address feedback from review
This commit is contained in:
Shelley Vohr 2018-06-19 08:22:08 -07:00 • committed by Charles Kerr
commit cba3a9fcce
1 changed files with 26 additions and 23 deletions
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49
spec/api-deprecations-spec.js
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@ -1,6 +1,10 @@
const assert = require('assert')
const chai = require('chai')
const dirtyChai = require('dirty-chai')
const {deprecations, deprecate, nativeImage} = require('electron')
const {expect} = chai
chai.use(dirtyChai)
describe('deprecations', () => {
beforeEach(() => {
deprecations.setHandler(null)
@ -10,43 +14,43 @@ describe('deprecations', () => {
it('allows a deprecation handler function to be specified', () => {
const messages = []
deprecations.setHandler((message) => {
deprecations.setHandler(message => {
messages.push(message)
})
deprecate.log('this is deprecated')
assert.deepEqual(messages, ['this is deprecated'])
expect(messages).to.deep.equal(['this is deprecated'])
})
it('returns a deprecation handler after one is set', () => {
const messages = []
deprecations.setHandler((message) => {
deprecations.setHandler(message => {
messages.push(message)
})
deprecate.log('this is deprecated')
assert(typeof deprecations.getHandler() === 'function')
expect(deprecations.getHandler()).to.be.a('function')
})
it('returns a deprecation warning', () => {
const messages = []
deprecations.setHandler((message) => {
deprecations.setHandler(message => {
messages.push(message)
})
deprecate.warn('old', 'new')
assert.deepEqual(messages, [`'old' is deprecated. Use 'new' instead.`])
expect(messages).to.deep.equal([`'old' is deprecated. Use 'new' instead.`])
})
it('renames a method', () => {
assert.equal(typeof nativeImage.createFromDataUrl, 'undefined')
assert.equal(typeof nativeImage.createFromDataURL, 'function')
expect(nativeImage.createFromDataUrl).to.be.undefined()
expect(nativeImage.createFromDataURL).to.be.a('function')
deprecate.alias(nativeImage, 'createFromDataUrl', 'createFromDataURL')
assert.equal(typeof nativeImage.createFromDataUrl, 'function')
expect(nativeImage.createFromDataUrl).to.be.a('function')
})
it('renames a property', () => {
@ -58,19 +62,18 @@ describe('deprecations', () => {
let value = 0
let o = { [newPropertyName]: value }
assert.strictEqual(typeof o[oldPropertyName], 'undefined')
assert.strictEqual(typeof o[newPropertyName], 'number')
expect(o).to.not.have.a.property(oldPropertyName)
expect(o).to.have.a.property(newPropertyName).that.is.a('number')
deprecate.property(o, oldPropertyName, newPropertyName)
assert.notEqual(typeof msg, 'string')
o[oldPropertyName] = ++value
assert.strictEqual(typeof msg, 'string')
assert.ok(msg.includes(oldPropertyName))
assert.ok(msg.includes(newPropertyName))
expect(msg).to.be.a('string')
expect(msg).to.include(oldPropertyName)
expect(msg).to.include(newPropertyName)
assert.strictEqual(o[newPropertyName], value)
assert.strictEqual(o[oldPropertyName], value)
expect(o).to.have.a.property(newPropertyName).that.is.equal(value)
expect(o).to.have.a.property(oldPropertyName).that.is.equal(value)
})
it('warns if deprecated property is already set', () => {
@ -84,14 +87,14 @@ describe('deprecations', () => {
let o = { [oldPropertyName]: value }
deprecate.property(o, oldPropertyName, newPropertyName)
assert.strictEqual(typeof msg, 'string')
assert.ok(msg.includes(oldPropertyName))
assert.ok(msg.includes(newPropertyName))
expect(msg).to.be.a('string')
expect(msg).to.include(oldPropertyName)
expect(msg).to.include(newPropertyName)
})
it('throws an exception if no deprecation handler is specified', () => {
assert.throws(() => {
expect(() => {
deprecate.log('this is deprecated')
}, /this is deprecated/)
}).to.throw(/this is deprecated/)
})
})