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index.spec.jsdom.js
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index.spec.jsdom.js
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import test from 'ava'
import jsdom from 'jsdom'
import decache from 'decache'
import fs from 'fs'
import { spy } from 'simple-spy'
const { JSDOM } = jsdom
const loadVueIntoWindow = (window) => {
const vueFilePath = require.resolve('vue/dist/vue')
window.eval(String(fs.readFileSync(vueFilePath)))
return window.Vue
}
const createEnv = (scripts = []) => {
return new Promise((resolve, reject) => {
const dom = new JSDOM('<!doctype html><html><body></body></html>', {
runScripts: "outside-only",
// will not log browser events to console
virtualConsole: new jsdom.VirtualConsole()
})
const window = dom.window
const document = window.document
const Vue = loadVueIntoWindow(window)
// require a new instance of Tweet every time to avoid side-effects
const { Tweet, Moment, Timeline } = require('./dist')
// window and document needs to be global
// (required by vue's Ctor.$mount)
global.window = window
global.document = document
resolve({ Vue, Tweet, Moment, Timeline, window, document })
})
}
test.beforeEach(t => {
return createEnv().then(data => {
t.context = data
})
})
test.afterEach(() => {
// remove old cached every time to avoid side-effects
decache('./dist')
decache('./dist/tweet')
decache('./dist/moment')
decache('./dist/timeline')
})
// CORE TESTS (injecting platform script)
test('Tweet Should be available on module level as well as per-component level', t => {
const { Tweet } = require('./dist')
t.truthy(Tweet)
t.truthy(Tweet.data)
const TweetL = require('./dist/tweet').default
t.truthy(TweetL)
t.is(Tweet, TweetL)
})
test('Moment Should be available on module level as well as per-component level', t => {
const { Moment } = require('./dist')
t.truthy(Moment)
t.truthy(Moment.data)
const MomentL = require('./dist/moment').default
t.truthy(MomentL)
t.is(Moment, MomentL)
})
test('Timeline Should be available on module level as well as per-component level', t => {
const { Timeline } = require('./dist')
t.truthy(Timeline)
t.truthy(Timeline.data)
const TimelineL = require('./dist/timeline').default
t.truthy(TimelineL)
t.is(Timeline, TimelineL)
})
test('Should inject twitter embed script if none is given', t => {
const { Tweet, Vue, document } = t.context
const Ctor = Vue.extend(Tweet)
new Ctor().$mount()
const $script = document.querySelector('script[src="//platform.twitter.com/widgets.js"]')
t.true($script !== null)
})
test('Should not inject more than one script par page', t => {
const { Tweet, Vue, document } = t.context
const TweetPage = {
components: { Tweet },
template: '<div><Tweet v-for="i in [1, 2, 3]"/></div>'
}
const Ctor = Vue.extend(TweetPage)
new Ctor().$mount()
const $scripts = document.querySelectorAll('script[src="//platform.twitter.com/widgets.js"]')
t.is($scripts.length, 1)
})
// TWEET COMPONENT TEST
test.cb('Should show a newly created Tweet element as tweet\'s immeditate child', t => {
const { Tweet, Vue, window, document } = t.context
const mockTwttr = {
widgets: {
createTweetEmbed: spy((tweetId, parent) => {
const $mockTweet = document.createElement('div')
$mockTweet.setAttribute('id', 'loadedTweet')
$mockTweet.innerText = 'tweet text'
parent.appendChild($mockTweet)
return Promise.resolve($mockTweet)
})
}
}
window.twttr = mockTwttr
const Ctor = Vue.extend({
template: '<Tweet id="123" :options="{foo:\'bar\'}"></Tweet>',
components: { Tweet }
})
const vm = new Ctor().$mount()
setTimeout(() => {
// check that library was called with correct options
t.is(mockTwttr.widgets.createTweetEmbed.callCount, 1)
t.is(mockTwttr.widgets.createTweetEmbed.args[0].length, 3)
t.is(mockTwttr.widgets.createTweetEmbed.args[0][0], '123')
t.is(mockTwttr.widgets.createTweetEmbed.args[0][1], vm.$el)
t.deepEqual(mockTwttr.widgets.createTweetEmbed.args[0][2], { foo: 'bar' })
// check that the element was indeed injected
const $loadedTweet = vm.$el.querySelector('#loadedTweet')
t.is($loadedTweet.id, 'loadedTweet')
t.is($loadedTweet.innerText, 'tweet text')
t.end()
}, 0)
})
test.cb('Should show an error message when tweet cannot be fetched', t => {
const { Tweet, Vue, window } = t.context
const mockTwttr = {
widgets: {
createTweetEmbed: (tweetId, parent) => {
const $mockTweet = undefined // tweet not found
return Promise.resolve($mockTweet)
}
}
}
window.twttr = mockTwttr
const Ctor = Vue.extend({
template: '<Tweet id="14"></Tweet>',
components: { Tweet }
})
const vm = new Ctor().$mount()
setTimeout(() => {
const $tweetContents = vm.$el.firstChild
t.is($tweetContents.innerHTML, 'Whoops! We couldn\'t access this Tweet.')
t.is($tweetContents.className, '')
t.end()
}, 0)
})
test.cb('Should show a custom error message when tweet cannot be fetched and params are given', t => {
const { Tweet, Vue, window } = t.context
const mockTwttr = {
widgets: {
createTweetEmbed: (tweetId, parent) => {
const $mockTweet = undefined // tweet not found
return Promise.resolve($mockTweet)
}
}
}
window.twttr = mockTwttr
const Ctor = Vue.extend({
template: '<Tweet error-message="why you no work" error-message-class="tweet-error" id="14"></Tweet>',
components: { Tweet }
})
const vm = new Ctor().$mount()
setTimeout(() => {
const $tweetContents = vm.$el.firstChild
t.is($tweetContents.innerHTML, 'why you no work')
t.is($tweetContents.className, 'tweet-error')
t.end()
}, 0)
})
test.cb('Should show children while tweet is not loaded', t => {
const { Tweet, Vue, window } = t.context
const mockTwttr = {
widgets: {
createTweetEmbed: () => {
// emulate tweet being loaded
return Promise.resolve()
}
}
}
window.twttr = mockTwttr
const Ctor = Vue.extend({
template: '<Tweet id="123"><div id="foo">hi</div></Tweet>',
components: { Tweet }
})
const vm = new Ctor().$mount()
t.truthy(vm.$el.querySelector('#foo'))
setTimeout(() => {
t.falsy(vm.$el.querySelector('#foo'))
t.end()
}, 0)
})
// Tests for Moment component
test.cb('Should show a newly created Moment element as tweet\'s immeditate child', t => {
const { Moment, Vue, window, document } = t.context
const mockTwttr = {
widgets: {
createMoment: spy((tweetId, parent) => {
const $mockTweet = document.createElement('div')
$mockTweet.setAttribute('id', 'loadedTweet')
$mockTweet.innerText = 'tweet text'
parent.appendChild($mockTweet)
return Promise.resolve($mockTweet)
})
}
}
window.twttr = mockTwttr
const Ctor = Vue.extend({
template: '<Moment id="123" :options="{foo:\'bar\'}"></Moment>',
components: { Moment }
})
const vm = new Ctor().$mount()
setTimeout(() => {
// check that library was called with correct options
t.is(mockTwttr.widgets.createMoment.callCount, 1)
t.is(mockTwttr.widgets.createMoment.args[0].length, 3)
t.is(mockTwttr.widgets.createMoment.args[0][0], '123')
t.is(mockTwttr.widgets.createMoment.args[0][1], vm.$el)
t.deepEqual(mockTwttr.widgets.createMoment.args[0][2], { foo: 'bar' })
// check that the element was indeed injected
const $loadedTweet = vm.$el.querySelector('#loadedTweet')
t.is($loadedTweet.id, 'loadedTweet')
t.is($loadedTweet.innerText, 'tweet text')
t.end()
}, 0)
})
test.cb('Should show an error message when moment cannot be fetched', t => {
const { Moment, Vue, window } = t.context
const mockTwttr = {
widgets: {
createMoment: (tweetId, parent) => {
const $mockTweet = undefined // tweet not found
return Promise.resolve($mockTweet)
}
}
}
window.twttr = mockTwttr
const Ctor = Vue.extend({
template: '<Moment id="14"></Moment>',
components: { Moment }
})
const vm = new Ctor().$mount()
setTimeout(() => {
const $tweetContents = vm.$el.firstChild
t.is($tweetContents.innerHTML, 'Whoops! We couldn\'t access this Moment.')
t.is($tweetContents.className, '')
t.end()
}, 0)
})
test.cb('Should show a custom error message when moment cannot be fetched and params are given', t => {
const { Moment, Vue, window } = t.context
const mockTwttr = {
widgets: {
createMoment: (tweetId, parent) => {
const $mockTweet = undefined // tweet not found
return Promise.resolve($mockTweet)
}
}
}
window.twttr = mockTwttr
const Ctor = Vue.extend({
template: '<Moment error-message="why you no work" error-message-class="moment-error" id="14"></Moment>',
components: { Moment }
})
const vm = new Ctor().$mount()
setTimeout(() => {
const $tweetContents = vm.$el.firstChild
t.is($tweetContents.innerHTML, 'why you no work')
t.is($tweetContents.className, 'moment-error')
t.end()
}, 0)
})
test.cb('Should show children while moment is not loaded', t => {
const { Moment, Vue, window } = t.context
const mockTwttr = {
widgets: {
createMoment: () => {
// emulate tweet being loaded
return Promise.resolve()
}
}
}
window.twttr = mockTwttr
const Ctor = Vue.extend({
template: '<Moment id="123"><div id="foo">hi</div></Moment>',
components: { Moment }
})
const vm = new Ctor().$mount()
t.truthy(vm.$el.querySelector('#foo'))
setTimeout(() => {
t.falsy(vm.$el.querySelector('#foo'))
t.end()
}, 0)
})
// Tests for Timeline component
test.cb('Should show a newly created Timeline element as tweet\'s immeditate child', t => {
const { Timeline, Vue, window, document } = t.context
const mockTwttr = {
widgets: {
createTimeline: spy((userId, parent) => {
const $mockTweet = document.createElement('div')
$mockTweet.setAttribute('id', 'loadedTweet')
$mockTweet.setAttribute('sourceType', 'loadedSouceType')
$mockTweet.innerText = 'tweet text'
parent.appendChild($mockTweet)
return Promise.resolve($mockTweet)
})
}
}
window.twttr = mockTwttr
const Ctor = Vue.extend({
template: '<Timeline id="123" sourceType="profile" :options="{foo:\'bar\'}"></Timeline>',
components: { Timeline }
})
const vm = new Ctor().$mount()
setTimeout(() => {
// check that library was called with correct options
t.is(mockTwttr.widgets.createTimeline.callCount, 1)
t.is(mockTwttr.widgets.createTimeline.args[0].length, 3)
t.is(mockTwttr.widgets.createTimeline.args[0][0]['screenName'], '123')
t.is(mockTwttr.widgets.createTimeline.args[0][0]['sourceType'], 'profile')
t.is(mockTwttr.widgets.createTimeline.args[0][1], vm.$el)
t.deepEqual(mockTwttr.widgets.createTimeline.args[0][2], { foo: 'bar' })
// check that the element was indeed injected
const $loadedTweet = vm.$el.querySelector('#loadedTweet')
t.is($loadedTweet.id, 'loadedTweet')
t.is($loadedTweet.innerText, 'tweet text')
t.end()
}, 0)
})
test.cb('Should show a newly created Timeline element as list\'s immeditate child', t => {
const { Timeline, Vue, window, document } = t.context
const mockTwttr = {
widgets: {
createTimeline: spy((userId, parent) => {
const $mockTweet = document.createElement('div')
$mockTweet.setAttribute('id', 'loadedTweet')
$mockTweet.setAttribute('sourceType', 'loadedSouceType')
$mockTweet.innerText = 'tweet text'
parent.appendChild($mockTweet)
return Promise.resolve($mockTweet)
})
}
}
window.twttr = mockTwttr
const Ctor = Vue.extend({
template: '<Timeline sourceType="list" id="TwitterDev" slug="national-parks" :options="{foo:\'bar\'}"></Timeline>',
components: { Timeline }
})
const vm = new Ctor().$mount()
setTimeout(() => {
// check that library was called with correct options
t.is(mockTwttr.widgets.createTimeline.callCount, 1)
t.is(mockTwttr.widgets.createTimeline.args[0].length, 3)
t.is(mockTwttr.widgets.createTimeline.args[0][0]['sourceType'], 'list')
t.is(mockTwttr.widgets.createTimeline.args[0][0]['ownerScreenName'], 'TwitterDev')
t.is(mockTwttr.widgets.createTimeline.args[0][0]['slug'], 'national-parks')
t.is(mockTwttr.widgets.createTimeline.args[0][1], vm.$el)
t.deepEqual(mockTwttr.widgets.createTimeline.args[0][2], { foo: 'bar' })
// check that the element was indeed injected
const $loadedTweet = vm.$el.querySelector('#loadedTweet')
t.is($loadedTweet.id, 'loadedTweet')
t.is($loadedTweet.innerText, 'tweet text')
t.end()
}, 0)
})
test.cb('Should show an error message when timeline cannot be fetched', t => {
const { Timeline, Vue, window } = t.context
const mockTwttr = {
widgets: {
createTimeline: (tweetId, parent) => {
const $mockTweet = undefined // tweet not found
return Promise.resolve($mockTweet)
}
}
}
window.twttr = mockTwttr
const Ctor = Vue.extend({
template: '<Timeline id="14" sourceType="profile"></Timeline>',
components: { Timeline }
})
const vm = new Ctor().$mount()
setTimeout(() => {
const $tweetContents = vm.$el.firstChild
t.is($tweetContents.innerHTML, 'Whoops! We couldn\'t access this Timeline.')
t.is($tweetContents.className, '')
t.end()
}, 0)
})
test.cb('Should show a custom error message when timeline cannot be fetched and params are given', t => {
const { Timeline, Vue, window } = t.context
const mockTwttr = {
widgets: {
createTimeline: (tweetId, parent) => {
const $mockTweet = undefined // tweet not found
return Promise.resolve($mockTweet)
}
}
}
window.twttr = mockTwttr
const Ctor = Vue.extend({
template: '<Timeline error-message="why you no work" error-message-class="timeline-error" id="14"></Timeline>',
components: { Timeline }
})
const vm = new Ctor().$mount()
setTimeout(() => {
const $tweetContents = vm.$el.firstChild
t.is($tweetContents.innerHTML, 'why you no work')
t.is($tweetContents.className, 'timeline-error')
t.end()
}, 0)
})
test.cb('Should show children timeline tweet is not loaded', t => {
const { Timeline, Vue, window } = t.context
const mockTwttr = {
widgets: {
createTimeline: () => {
// emulate tweet being loaded
return Promise.resolve()
}
}
}
window.twttr = mockTwttr
const Ctor = Vue.extend({
template: '<Timeline id="123" sourceType="profile"><div id="foo">hi</div></Timeline>',
components: { Timeline }
})
const vm = new Ctor().$mount()
t.truthy(vm.$el.querySelector('#foo'))
setTimeout(() => {
t.falsy(vm.$el.querySelector('#foo'))
t.end()
}, 0)
})