electron/spec/api-web-frame-spec.js

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const assert = require('assert')
const path = require('path')
const {closeWindow} = require('./window-helpers')
const {remote, webFrame} = require('electron')
const {BrowserWindow, protocol, ipcMain} = remote
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describe('webFrame module', function () {
var fixtures = path.resolve(__dirname, 'fixtures')
describe('webFrame.registerURLSchemeAsPrivileged', function () {
it('supports fetch api', function (done) {
webFrame.registerURLSchemeAsPrivileged('file')
var url = 'file://' + fixtures + '/assets/logo.png'
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window.fetch(url).then(function (response) {
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assert(response.ok)
done()
}).catch(function (err) {
done('unexpected error : ' + err)
})
})
it('allows CORS requests', function (done) {
const standardScheme = remote.getGlobal('standardScheme')
const url = standardScheme + '://fake-host'
const content = `<html>
<script>
const {ipcRenderer, webFrame} = require('electron')
webFrame.registerURLSchemeAsPrivileged('cors')
fetch('cors://myhost').then(function (response) {
ipcRenderer.send('response', response.status)
})
</script>
</html>`
var w = new BrowserWindow({show: false})
after(function (done) {
protocol.unregisterProtocol('cors', function () {
protocol.unregisterProtocol(standardScheme, function () {
closeWindow(w).then(function () {
w = null
done()
})
})
})
})
const handler = function (request, callback) {
callback({data: content, mimeType: 'text/html'})
}
protocol.registerStringProtocol(standardScheme, handler, function (error) {
if (error) return done(error)
})
protocol.registerStringProtocol('cors', function (request, callback) {
callback('')
}, function (error) {
if (error) return done(error)
ipcMain.once('response', function (event, status) {
assert.equal(status, 200)
done()
})
w.loadURL(url)
})
})
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})
})