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const fs = require('fs')
const mkdirp = require('mkdirp')
const pify = require('pify')
const {until} = require('selenium-webdriver')
const { delay } = require('../func')
module.exports = {
checkBrowserForConsoleErrors,
closeAllWindowHandlesExcept,
findElement,
findElements,
loadExtension,
openNewPage,
switchToWindowWithTitle,
verboseReportOnFailure,
waitUntilXWindowHandles,
}
async function loadExtension (driver, extensionId) {
switch (process.env.SELENIUM_BROWSER) {
case 'chrome': {
await driver.get(`chrome-extension://${extensionId}/home.html`)
break
}
case 'firefox': {
await driver.get(`moz-extension://${extensionId}/home.html`)
break
}
}
}
async function checkBrowserForConsoleErrors (driver) {
const ignoredLogTypes = ['WARNING']
const ignoredErrorMessages = [
// React throws error warnings on "dataset", but still sets the data-* properties correctly
'Warning: Unknown prop `dataset` on ',
// Third-party Favicon 404s show up as errors
'favicon.ico - Failed to load resource: the server responded with a status of 404 (Not Found)',
// React Development build - known issue blocked by test build sys
'Warning: It looks like you\'re using a minified copy of the development build of React.',
// Redux Development build - known issue blocked by test build sys
'This means that you are running a slower development build of Redux.',
]
const browserLogs = await driver.manage().logs().get('browser')
const errorEntries = browserLogs.filter(entry => !ignoredLogTypes.includes(entry.level.toString()))
const errorObjects = errorEntries.map(entry => entry.toJSON())
return errorObjects.filter(entry => !ignoredErrorMessages.some(message => entry.message.includes(message)))
}
async function verboseReportOnFailure (driver, test) {
let artifactDir
if (process.env.SELENIUM_BROWSER === 'chrome') {
artifactDir = `./test-artifacts/chrome/${test.title}`
} else if (process.env.SELENIUM_BROWSER === 'firefox') {
artifactDir = `./test-artifacts/firefox/${test.title}`
}
const filepathBase = `${artifactDir}/test-failure`
await pify(mkdirp)(artifactDir)
const screenshot = await driver.takeScreenshot()
await pify(fs.writeFile)(`${filepathBase}-screenshot.png`, screenshot, { encoding: 'base64' })
const htmlSource = await driver.getPageSource()
await pify(fs.writeFile)(`${filepathBase}-dom.html`, htmlSource)
}
async function findElement (driver, by, timeout = 10000) {
return driver.wait(until.elementLocated(by), timeout)
}
async function findElements (driver, by, timeout = 10000) {
return driver.wait(until.elementsLocated(by), timeout)
}
async function openNewPage (driver, url) {
await driver.executeScript('window.open()')
await delay(1000)
const handles = await driver.getAllWindowHandles()
const lastHandle = handles[handles.length - 1]
await driver.switchTo().window(lastHandle)
await driver.get(url)
await delay(1000)
}
async function waitUntilXWindowHandles (driver, x) {
const windowHandles = await driver.getAllWindowHandles()
if (windowHandles.length === x) return
await delay(1000)
return await waitUntilXWindowHandles(driver, x)
}
async function switchToWindowWithTitle (driver, title, windowHandles) {
if (!windowHandles) {
windowHandles = await driver.getAllWindowHandles()
} else if (windowHandles.length === 0) {
throw new Error('No window with title: ' + title)
}
const firstHandle = windowHandles[0]
await driver.switchTo().window(firstHandle)
const handleTitle = await driver.getTitle()
if (handleTitle === title) {
return firstHandle
} else {
return await switchToWindowWithTitle(driver, title, windowHandles.slice(1))
}
}
async function closeAllWindowHandlesExcept (driver, exceptions, windowHandles) {
exceptions = typeof exceptions === 'string' ? [ exceptions ] : exceptions
windowHandles = windowHandles || await driver.getAllWindowHandles()
const lastWindowHandle = windowHandles.pop()
if (!exceptions.includes(lastWindowHandle)) {
await driver.switchTo().window(lastWindowHandle)
await delay(1000)
await driver.close()
await delay(1000)
}
return windowHandles.length && await closeAllWindowHandlesExcept(driver, exceptions, windowHandles)
}
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