Files
cypress/packages/server/lib/environment.js

97 lines
3.0 KiB
JavaScript

require('./util/fs')
const os = require('os')
const Promise = require('bluebird')
const debug = require('debug')('cypress:server')
// never cut off stack traces
Error.stackTraceLimit = Infinity
// cannot use relative require statement
// here because when obfuscated package
// would not be available
const pkg = require('@packages/root')
// instead of setting NODE_ENV we will
// use our own separate CYPRESS_INTERNAL_ENV so
// as not to conflict with CI providers
// use env from package first
// or development as default
const env = process.env['CYPRESS_INTERNAL_ENV'] || (process.env['CYPRESS_INTERNAL_ENV'] = pkg.env != null ? pkg.env : 'development')
process.env['CYPRESS'] = 'true'
const config = {
// uses cancellation for automation timeouts
cancellation: true,
}
if (env === 'development') {
// enable long stack traces in dev
config.longStackTraces = true
}
Promise.config(config)
// NOTE: errors are printed in development mode only
try {
// i wish we didn't have to do this but we have to append
// these command line switches immediately
const {
app,
} = require('electron')
app.commandLine.appendSwitch('disable-renderer-backgrounding', true)
app.commandLine.appendSwitch('ignore-certificate-errors', true)
// These flags are for webcam/WebRTC testing
// https://github.com/cypress-io/cypress/issues/2704
app.commandLine.appendSwitch('use-fake-ui-for-media-stream')
app.commandLine.appendSwitch('use-fake-device-for-media-stream')
// https://github.com/cypress-io/cypress/issues/2376
app.commandLine.appendSwitch('autoplay-policy', 'no-user-gesture-required')
// allows webSecurity: false to work as expected in webPreferences
// https://github.com/electron/electron/issues/18214
app.commandLine.appendSwitch('disable-site-isolation-trials')
// prevent electron from using /dev/shm, which can cause crashes in Docker
// https://github.com/cypress-io/cypress/issues/15814
app.commandLine.appendSwitch('disable-dev-shm-usage')
// prevent navigation throttling when navigating in the browser rapid fire
// https://github.com/cypress-io/cypress/pull/20271
app.commandLine.appendSwitch('disable-ipc-flooding-protection')
if (os.platform() === 'linux') {
app.disableHardwareAcceleration()
}
if (process.env.ELECTRON_EXTRA_LAUNCH_ARGS) {
const electronLaunchArguments = process.env.ELECTRON_EXTRA_LAUNCH_ARGS.split(' ')
electronLaunchArguments.forEach((arg) => {
// arg can be just key --disable-http-cache
// or key value --remote-debugging-port=8315
// https://github.com/cypress-io/cypress/issues/7994
const [key, value] = arg.split('=')
// because this is an environment variable, everything is a string
// thus we don't have to worry about casting
// --foo=false for example will be "--foo", "false"
if (value) {
app.commandLine.appendSwitch(key, value)
} else {
app.commandLine.appendSwitch(key)
}
})
}
} catch (e) {
debug('environment error %s', e.message)
}
module.exports = env