08-27-周三_17-09-29
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node_modules/phantom/test/page.coffee
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207
node_modules/phantom/test/page.coffee
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vows = require 'vows'
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assert = require 'assert'
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phantom = require '../phantom'
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express = require 'express'
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temp = require 'temp'
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path = require 'path'
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fs = require 'fs'
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describe = (name, bat) -> vows.describe(name).addBatch(bat).export(module)
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# Make coffeescript not return anything
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# This is needed because vows topics do different things if you have a return
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# value
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t = (fn) ->
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->
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fn.apply this, arguments
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return
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app = express()
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app.get '/', (req, res) ->
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res.send """
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<html>
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<head>
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<title>Test page title</title>
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<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js"></script>
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</head>
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<body>
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<div id="somediv">
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<div class="anotherdiv">Some page content</div>
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</div>
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<button class="clickme" style="position: absolute; top: 123px; left: 123px; width: 20px; height; 20px" onclick="window.i_got_clicked = true;" />
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<input type='file' id='upfile' name='upfile'>
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</body>
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</html>
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"""
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appServer = app.listen()
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describe "Pages",
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"A Phantom page":
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topic: t ->
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phantom.create {port: 12303}, (ph) =>
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ph.createPage (page) =>
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@callback null, page, ph
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"can open a URL on localhost":
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topic: t (page) ->
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page.open "http://127.0.0.1:#{appServer.address().port}/", (status) =>
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@callback null, page, status
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"and succeed": (err, page, status) ->
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assert.equal status, "success"
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"and the page, once it loads,":
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topic: t (page, status) ->
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setTimeout =>
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@callback null, page
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, 1500
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"has a title":
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topic: t (page) ->
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page.evaluate (-> document.title), (title) =>
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@callback null, title
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"which is correct": (title) ->
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assert.equal title, "Test page title"
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"has cookies":
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topic: t (page) ->
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page.getCookies (cookies) =>
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@callback null, cookies
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"which works correctly": (cookies) ->
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assert.ok cookies, "cookies should not be empty"
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"can inject Javascript from a file":
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topic: t (page) ->
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page.injectJs 'test/inject.js', (success) =>
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@callback null, success
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"and succeed": (success) ->
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assert.ok success, "Injection should return true"
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"can evaluate DOM nodes":
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topic: t (page) ->
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page.evaluate (-> document.getElementById('somediv')), (node) =>
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@callback null, node
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"which match": (node) ->
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assert.equal node.tagName, 'DIV'
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assert.equal node.id, 'somediv'
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"can evaluate scripts defined in the header":
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topic: t (page) ->
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page.evaluate (-> $('#somediv').html()), (html) =>
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@callback null, html
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"which return the correct result": (html) ->
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html = html.replace(/\s\s+/g, "")
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assert.equal html, '<div class="anotherdiv">Some page content</div>'
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"can set a nested property":
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topic: t (page) ->
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page.set 'settings.loadPlugins', true, (oldVal) =>
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@callback null, page, oldVal
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"and get it again":
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topic: t (page, oldVal) ->
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page.get 'settings.loadPlugins', (val) =>
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@callback null, oldVal, val
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"and they match": (err, oldVal, val) ->
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assert.equal oldVal, val
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"can simulate clicks on page locations":
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topic: t (page) ->
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page.sendEvent 'click', 133, 133
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page.evaluate (-> window.i_got_clicked), (clicked) =>
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@callback null, clicked
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"and have those clicks register": (clicked) ->
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assert.ok clicked
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###
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"can register an onAlert handler":
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topic: t (page) ->
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page.set 'onAlert', (msg) =>
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@callback null, msg
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page.evaluate (-> alert "Hello, world!")
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"which works correctly": (msg) ->
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assert.equal msg, "Hello, world!"
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###
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###
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"can register an onConsoleMessage handler":
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topic: t (page) ->
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page.set 'onConsoleMessage', (msg) =>
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@callback null, msg
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page.evaluate (-> console.log "Hello, world!")
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"which works correctly": (msg) ->
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assert.equal msg, "Hello, world!"
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###
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"can register an onConsoleMessage handler":
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topic: t (page) ->
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page.onConsoleMessage (msg) =>
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@callback null, msg
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page.evaluate (-> console.log "Hello, world!")
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"which works correctly": (msg) ->
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assert.equal msg, "Hello, world!"
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"can register an onError handler":
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topic: t (page) ->
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page.onError (msg) =>
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@callback null, msg
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page.evaluate (-> eval "syntaxerror[")
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"which works correctly": (msg) ->
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assert.equal msg, "SyntaxError: Parse error"
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"can render the page to a file":
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topic: t (page) ->
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fileName = temp.path suffix: '.png'
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page.render fileName, =>
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@callback null, fileName
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"which is created": (fileName) ->
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assert.ok fs.existsSync(fileName), "rendered image should exist"
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teardown: (fileName) ->
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fs.unlink fileName
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# handles clicking on 'input[type=file]'. Based on
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# https://github.com/ariya/phantomjs/blob/eddb0db/test/webpage-spec.js
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"can set the file to upload when the file picker is invoked":
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topic: t (page) ->
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fileToUpload = (
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if /^win/.test(process.platform)
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'C:\\Windows\\System32\\drivers\\etc\\hosts'
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else
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'/etc/hosts'
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)
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page.setFileOnPicker fileToUpload
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page.evaluate (->
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upFile = document.querySelector('input[name=upfile]')
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ev = document.createEvent('MouseEvents')
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ev.initEvent('click', true, true)
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upFile.dispatchEvent(ev)
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), => @callback null, page, fileToUpload
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"which":
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topic: t (page, fileToUpload) ->
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page.evaluate (->
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document.querySelector('input[name=upfile]').files[0].name
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), (fileName) =>
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@callback null, fileName, fileToUpload
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"matches with the passed filename": (err, fileName, fileToUpload) ->
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assert.ok fileToUpload.indexOf(fileName) > -1
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teardown: (page, ph) ->
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appServer.close()
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ph.exit()
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