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require('chromedriver')
require('geckodriver')
const fs = require('fs-extra')
const os = require('os')
const path = require('path')
const pify = require('pify')
const prependFile = pify(require('prepend-file'))
const webdriver = require('selenium-webdriver')
const Command = require('selenium-webdriver/lib/command').Command
const By = webdriver.By
module.exports = {
delay,
createModifiedTestBuild,
setupBrowserAndExtension,
verboseReportOnFailure,
buildChromeWebDriver,
buildFirefoxWebdriver,
installWebExt,
getExtensionIdChrome,
getExtensionIdFirefox,
}
function delay (time) {
return new Promise(resolve => setTimeout(resolve, time))
}
async function createModifiedTestBuild ({ browser, srcPath }) {
// copy build to test-builds directory
const extPath = path.resolve(`test-builds/${browser}`)
await fs.ensureDir(extPath)
await fs.copy(srcPath, extPath)
// inject METAMASK_TEST_CONFIG setting default test network
const config = { NetworkController: { provider: { type: 'localhost' } } }
await prependFile(`${extPath}/background.js`, `window.METAMASK_TEST_CONFIG=${JSON.stringify(config)};\n`)
return { extPath }
}
async function setupBrowserAndExtension ({ browser, extPath }) {
let drive, extensionId, extensionUri
if (browser === 'chrome') {
driver = buildChromeWebDriver(extPath)
extensionId = await getExtensionIdChrome(driver)
extensionUri = `chrome-extension://${extensionId}/home.html`
} else if (browser === 'firefox') {
driver = buildFirefoxWebdriver()
await installWebExt(driver, extPath)
await delay(700)
extensionId = await getExtensionIdFirefox(driver)
extensionUri = `moz-extension://${extensionId}/home.html`
} else {
throw new Error(`Unknown Browser "${browser}"`)
}
return { driver, extensionId, extensionUri }
}
function buildChromeWebDriver (extPath) {
const tmpProfile = fs.mkdtempSync(path.join(os.tmpdir(), 'mm-chrome-profile'))
return new webdriver.Builder()
.withCapabilities({
chromeOptions: {
args: [
`load-extension=${extPath}`,
`user-data-dir=${tmpProfile}`,
],
binary: process.env.SELENIUM_CHROME_BINARY,
},
})
.build()
}
function buildFirefoxWebdriver () {
return new webdriver.Builder().build()
}
async function getExtensionIdChrome (driver) {
await driver.get('chrome://extensions')
const extensionId = await driver.executeScript('return document.querySelector("extensions-manager").shadowRoot.querySelector("extensions-view-manager extensions-item-list").shadowRoot.querySelector("extensions-item:nth-child(2)").getAttribute("id")')
return extensionId
}
async function getExtensionIdFirefox (driver) {
await driver.get('about:debugging#addons')
const extensionId = await driver.findElement(By.css('dd.addon-target-info-content:nth-child(6) > span:nth-child(1)')).getText()
return extensionId
}
async function installWebExt (driver, extension) {
const cmd = await new Command('moz-install-web-ext')
.setParameter('path', path.resolve(extension))
.setParameter('temporary', true)
await driver.getExecutor()
.defineCommand(cmd.getName(), 'POST', '/session/:sessionId/moz/addon/install')
return await driver.schedule(cmd, 'installWebExt(' + extension + ')')
}
async function verboseReportOnFailure ({ browser, driver, title }) {
const artifactDir = `./test-artifacts/${browser}/${title}`
const filepathBase = `${artifactDir}/test-failure`
await fs.ensureDir(artifactDir)
const screenshot = await driver.takeScreenshot()
await fs.writeFile(`${filepathBase}-screenshot.png`, screenshot, { encoding: 'base64' })
const htmlSource = await driver.getPageSource()
await fs.writeFile(`${filepathBase}-dom.html`, htmlSource)
}
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