Function init

javascript/selenium-webdriver/testing/index.js:206–252

* Initializes this module by determining which browsers a * plain ./index.suite test suite should run against. The default * behavior is to run tests against every browser with a WebDriver executables * (chromedriver, firefoxdriver, etc.) are installed on the system by `PATH`. * * Specif

(force = false)

 *     against.
 */
function init(force = false) {
  if (wasInit && !force) {
    return
  }
  wasInit = true

  // If force re-init, kill the current server if there is one.
  if (seleniumServer) {
    seleniumServer.kill()
    seleniumServer = null
  }

  seleniumJar = process.env['SELENIUM_SERVER_JAR']
  seleniumUrl = process.env['SELENIUM_REMOTE_URL']
  if (seleniumJar) {
    info(`Using Selenium server jar: ${seleniumJar}`)
  }

  if (seleniumUrl) {
    info(`Using Selenium remote end: ${seleniumUrl}`)
  }

  if (seleniumJar && seleniumUrl) {
    throw Error(
      'Ambiguous test configuration: both SELENIUM_REMOTE_URL' +
        ' && SELENIUM_SERVER_JAR environment variables are set',
    )
  }

  const envBrowsers = getBrowsersToTestFromEnv()
  if ((seleniumJar || seleniumUrl) && envBrowsers.length === 0) {
    throw Error(
      'Ambiguous test configuration: when either the SELENIUM_REMOTE_URL or' +
        ' SELENIUM_SERVER_JAR environment variable is set, the' +
        ' SELENIUM_BROWSER variable must also be set.',
    )
  }

  targetBrowsers = envBrowsers.length > 0 ? envBrowsers : getAvailableBrowsers()
  info(`Running tests against [${targetBrowsers.map((b) => b.name).join(', ')}]`)

  after(function () {
    if (seleniumServer) {
      return seleniumServer.kill()
    }
  })
}

const TARGET_MAP = /** !WeakMap<!Environment, !TargetBrowser> */ new WeakMap()
const URL_MAP = /** !WeakMap<!Environment, ?(string|remote.SeleniumServer)> */ new WeakMap()