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project-base.ts
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project-base.ts
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import check from 'check-more-types'
import Debug from 'debug'
import EE from 'events'
import _ from 'lodash'
import path from 'path'
import browsers from './browsers'
import pkg from '@packages/root'
import { ServerCt, SocketCt } from '@packages/server-ct'
import { SocketE2E } from './socket-e2e'
import api from './api'
import { Automation } from './automation'
import config from './config'
import cwd from './cwd'
import errors from './errors'
import Reporter from './reporter'
import runEvents from './plugins/run_events'
import savedState from './saved_state'
import scaffold from './scaffold'
import { ServerE2E } from './server-e2e'
import system from './util/system'
import user from './user'
import { ensureProp } from './util/class-helpers'
import { fs } from './util/fs'
import settings from './util/settings'
import plugins from './plugins'
import specsUtil from './util/specs'
import Watchers from './watchers'
import devServer from './plugins/dev-server'
import preprocessor from './plugins/preprocessor'
import { SpecsStore } from './specs-store'
import { createRoutes as createE2ERoutes } from './routes'
import { createRoutes as createCTRoutes } from '@packages/server-ct/src/routes-ct'
import { checkSupportFile } from './project_utils'
// Cannot just use RuntimeConfigOptions as is because some types are not complete.
// Instead, this is an interface of values that have been manually validated to exist
// and are required when creating a project.
// TODO: Figure out how to type this better.
type ReceivedCypressOptions =
Partial<Pick<Cypress.RuntimeConfigOptions, 'hosts' | 'projectName' | 'clientRoute' | 'devServerPublicPathRoute' | 'namespace' | 'report' | 'socketIoCookie' | 'configFile' | 'isTextTerminal' | 'isNewProject' | 'proxyUrl' | 'browsers'>>
& Partial<Pick<Cypress.ResolvedConfigOptions, 'chromeWebSecurity' | 'supportFolder' | 'experimentalSourceRewriting' | 'fixturesFolder' | 'reporter' | 'reporterOptions' | 'screenshotsFolder' | 'pluginsFile' | 'supportFile' | 'integrationFolder' | 'baseUrl' | 'viewportHeight' | 'viewportWidth' | 'port' | 'experimentalInteractiveRunEvents'>>
export interface Cfg extends ReceivedCypressOptions {
projectRoot: string
proxyServer?: Cypress.RuntimeConfigOptions['proxyUrl']
state?: {
firstOpened?: number
lastOpened?: number
}
}
type WebSocketOptionsCallback = (...args: any[]) => any
interface Options {
configFile?: string | boolean
// Callback to reload the Desktop GUI when cypress.json is changed.
onSettingsChanged?: false | (() => void)
// Optional callbacks used for triggering events via the web socket
onReloadBrowser?: WebSocketOptionsCallback
onFocusTests?: WebSocketOptionsCallback
onSpecChanged?: WebSocketOptionsCallback
onSavedStateChanged?: WebSocketOptionsCallback
onConnect?: WebSocketOptionsCallback
[key: string]: any
}
const localCwd = cwd()
const debug = Debug('cypress:server:project')
const debugScaffold = Debug('cypress:server:scaffold')
type StartWebsocketOptions = Pick<Cfg, 'socketIoCookie' | 'namespace' | 'screenshotsFolder' | 'report' | 'reporter' | 'reporterOptions' | 'projectRoot'>
export class ProjectBase<TServer extends ServerE2E | ServerCt> extends EE {
protected watchers: Watchers
protected options: Options
protected _cfg?: Cfg
protected _server?: TServer
protected _automation?: Automation
private _recordTests?: any = null
public browser: any
public testingType: Cypress.TestingType
public spec: Cypress.Cypress['spec'] | null
private generatedProjectIdTimestamp: any
projectRoot: string
isOpen: boolean = false
constructor ({
projectRoot,
testingType,
options,
}: {
projectRoot: string
testingType: Cypress.TestingType
options: Options
}) {
super()
if (!projectRoot) {
throw new Error('Instantiating lib/project requires a projectRoot!')
}
if (!check.unemptyString(projectRoot)) {
throw new Error(`Expected project root path, not ${projectRoot}`)
}
this.testingType = testingType
this.projectRoot = path.resolve(projectRoot)
this.watchers = new Watchers()
this.spec = null
this.browser = null
debug('Project created %o', {
testingType: this.testingType,
projectRoot: this.projectRoot,
})
this.options = {
report: false,
onFocusTests () {},
onError () {},
onWarning () {},
onSettingsChanged: false,
...options,
}
}
protected ensureProp = ensureProp
setOnTestsReceived (fn) {
this._recordTests = fn
}
get server () {
return this.ensureProp(this._server, 'open')
}
get automation () {
return this.ensureProp(this._automation, 'open')
}
get cfg () {
return this._cfg!
}
get state () {
return this.cfg.state
}
injectCtSpecificConfig (cfg) {
cfg.resolved.testingType = { value: 'component' }
// This value is normally set up in the `packages/server/lib/plugins/index.js#110`
// But if we don't return it in the plugins function, it never gets set
// Since there is no chance that it will have any other value here, we set it to "component"
// This allows users to not return config in the `cypress/plugins/index.js` file
// https://github.com/cypress-io/cypress/issues/16860
const rawJson = cfg.rawJson as Cfg
return {
...cfg,
componentTesting: true,
viewportHeight: rawJson.viewportHeight ?? 500,
viewportWidth: rawJson.viewportWidth ?? 500,
}
}
createServer (testingType: Cypress.TestingType) {
return testingType === 'e2e'
? new ServerE2E() as TServer
: new ServerCt() as TServer
}
async open () {
debug('opening project instance %s', this.projectRoot)
debug('project open options %o', this.options)
let cfg = this.getConfig()
if (typeof cfg.configFile === 'string'
&& /\.json$/.test(cfg.configFile)
// don't show the deprecation warning in e2e tests to avoid polluting snapshots
&& process.env.CYPRESS_INTERNAL_ENV !== 'test') {
this.options.onWarning(errors.get('DEPRECATED_CYPRESS_JSON', cfg.configFile))
}
process.chdir(this.projectRoot)
// TODO: we currently always scaffold the plugins file
// even when headlessly or else it will cause an error when
// we try to load it and it's not there. We must do this here
// else initialing the plugins will instantly fail.
if (cfg.pluginsFile && (!cfg.configFile || /\.json$/.test(cfg.configFile))) {
debug('scaffolding with plugins file %s', cfg.pluginsFile)
await scaffold.plugins(path.dirname(cfg.pluginsFile), cfg)
}
this._server = this.createServer(this.testingType)
cfg = await this.initializePlugins(cfg, this.options)
const {
specsStore,
startSpecWatcher,
ctDevServerPort,
} = await this.initializeSpecStore(cfg)
if (this.testingType === 'component') {
cfg.baseUrl = `http://localhost:${ctDevServerPort}`
}
const [port, warning] = await this._server.open(cfg, {
getCurrentBrowser: () => this.browser,
getSpec: () => this.spec,
onError: this.options.onError,
onWarning: this.options.onWarning,
shouldCorrelatePreRequests: this.shouldCorrelatePreRequests,
testingType: this.testingType,
SocketCtor: this.testingType === 'e2e' ? SocketE2E : SocketCt,
createRoutes: this.testingType === 'e2e' ? createE2ERoutes : createCTRoutes,
specsStore,
})
// if we didnt have a cfg.port
// then get the port once we
// open the server
if (!cfg.port) {
cfg.port = port
// and set all the urls again
_.extend(cfg, config.setUrls(cfg))
}
cfg.proxyServer = cfg.proxyUrl
// store the cfg from
// opening the server
this._cfg = cfg
debug('project config: %o', _.omit(cfg, 'resolved'))
if (warning) {
this.options.onWarning(warning)
}
// save the last time they opened the project
// along with the first time they opened it
const now = Date.now()
const stateToSave = {
lastOpened: now,
} as any
if (!cfg.state || !cfg.state.firstOpened) {
stateToSave.firstOpened = now
}
this.watchSettings({
onSettingsChanged: this.options.onSettingsChanged,
projectRoot: this.projectRoot,
configFile: this.options.configFile,
})
this.startWebsockets({
onReloadBrowser: this.options.onReloadBrowser,
onFocusTests: this.options.onFocusTests,
onSpecChanged: this.options.onSpecChanged,
onConnect: this.options.onConnect,
}, {
socketIoCookie: cfg.socketIoCookie,
namespace: cfg.namespace,
screenshotsFolder: cfg.screenshotsFolder,
report: cfg.report,
reporter: cfg.reporter,
reporterOptions: cfg.reporterOptions,
projectRoot: this.projectRoot,
})
await Promise.all([
this.scaffold(cfg),
this.saveState(stateToSave),
])
await Promise.all([
checkSupportFile({ configFile: cfg.configFile, supportFile: cfg.supportFile }),
this.watchPluginsFile(cfg, this.options),
])
if (cfg.isTextTerminal) {
return
}
// start watching specs
// whenever a spec file is added or removed, we notify the
// <SpecList>
// This is only used for CT right now by general users.
// It is is used with E2E if the CypressInternal_UseInlineSpecList flag is true.
startSpecWatcher()
if (!cfg.experimentalInteractiveRunEvents) {
return
}
const sys = await system.info()
const beforeRunDetails = {
config: cfg,
cypressVersion: pkg.version,
system: _.pick(sys, 'osName', 'osVersion'),
}
this.isOpen = true
return runEvents.execute('before:run', cfg, beforeRunDetails)
}
async getRuns () {
const [projectId, authToken] = await Promise.all([
this.getProjectId(),
user.ensureAuthToken(),
])
return api.getProjectRuns(projectId, authToken)
}
reset () {
debug('resetting project instance %s', this.projectRoot)
this.spec = null
this.browser = null
if (this._automation) {
this._automation.reset()
}
if (this._server) {
return this._server.reset()
}
return
}
async close () {
if (!this.isOpen) {
return Promise.resolve()
}
debug('closing project instance %s', this.projectRoot)
this.spec = null
this.browser = null
const closePreprocessor = (this.testingType === 'e2e' && preprocessor.close) ?? undefined
await Promise.all([
this.server?.close(),
this.watchers?.close(),
typeof closePreprocessor === 'function' ? closePreprocessor() : Promise.resolve(),
])
process.chdir(localCwd)
const config = this.getConfig()
if (config.isTextTerminal || !config.experimentalInteractiveRunEvents) return
this.isOpen = false
return runEvents.execute('after:run', config)
}
_onError<Options extends Record<string, any>> (err: Error, options: Options) {
debug('got plugins error', err.stack)
browsers.close()
options.onError(err)
}
async initializeSpecStore (updatedConfig: Cfg): Promise<{
specsStore: SpecsStore
ctDevServerPort: number | undefined
startSpecWatcher: () => void
}> {
const allSpecs = await specsUtil.find(updatedConfig)
const specs = allSpecs.filter((spec: Cypress.Cypress['spec']) => {
if (this.testingType === 'component') {
return spec.specType === 'component'
}
if (this.testingType === 'e2e') {
return spec.specType === 'integration'
}
throw Error(`Cannot return specType for testingType: ${this.testingType}`)
})
return this.initSpecStore({ specs, config: updatedConfig })
}
async initializePlugins (cfg, options) {
// only init plugins with the
// allowed config values to
// prevent tampering with the
// internals and breaking cypress
const allowedCfg = config.allowed(cfg)
const configFile = settings.pathToConfigFile(this.projectRoot, options)
const modifiedCfg = await plugins.init(allowedCfg, {
projectRoot: this.projectRoot,
configFile,
testingType: options.testingType,
onError: (err: Error) => this._onError(err, options),
onWarning: options.onWarning,
})
debug('plugin config yielded: %o', modifiedCfg)
const finalConfig = config.updateWithPluginValues(cfg, modifiedCfg)
// desktop-gui receives the proper config file, even if it is one of the defaults
// we can't know in advance which one json, js or ts file will be present
// but we need it to be forwarded to the gui for display and help
if (configFile !== false) {
finalConfig.configFile = path.relative(this.projectRoot, finalConfig.configFile ?? configFile)
}
return finalConfig
}
async startCtDevServer (specs: Cypress.Cypress['spec'][], config: any) {
// CT uses a dev-server to build the bundle.
// We start the dev server here.
const devServerOptions = await devServer.start({ specs, config })
if (!devServerOptions) {
throw new Error([
'It looks like nothing was returned from on(\'dev-server:start\', {here}).',
'Make sure that the dev-server:start function returns an object.',
'For example: on("dev-server:start", () => startWebpackDevServer({ webpackConfig }))',
].join('\n'))
}
return { port: devServerOptions.port }
}
async initSpecStore ({
specs,
config,
}: {
specs: Cypress.Cypress['spec'][]
config: any
}) {
const specsStore = new SpecsStore(config, this.testingType)
const startSpecWatcher = () => {
return specsStore.watch({
onSpecsChanged: (specs) => {
// both e2e and CT watch the specs and send them to the
// client to be shown in the SpecList.
this.server.sendSpecList(specs, this.testingType)
if (this.testingType === 'component') {
// ct uses the dev-server to build and bundle the speces.
// send new files to dev server
devServer.updateSpecs(specs)
}
},
})
}
let ctDevServerPort: number | undefined
if (this.testingType === 'component') {
const { port } = await this.startCtDevServer(specs, config)
ctDevServerPort = port
}
return specsStore.storeSpecFiles()
.return({
specsStore,
ctDevServerPort,
startSpecWatcher,
})
}
async watchPluginsFile (cfg, options) {
debug(`attempt watch plugins file: ${cfg.pluginsFile}`)
if (!cfg.pluginsFile || options.isTextTerminal) {
return Promise.resolve()
}
const found = await fs.pathExists(cfg.pluginsFile)
debug(`plugins file found? ${found}`)
// ignore if not found. plugins#init will throw the right error
if (!found) {
return
}
debug('watch plugins file')
return this.watchers.watchTree(cfg.pluginsFile, {
onChange: () => {
// TODO: completely re-open project instead?
debug('plugins file changed')
// re-init plugins after a change
this.initializePlugins(cfg, options)
.catch((err) => {
options.onError(err)
})
},
})
}
watchSettings ({
onSettingsChanged,
configFile,
projectRoot,
}: {
onSettingsChanged?: false | (() => void)
configFile?: string | boolean
projectRoot: string
}) {
// bail if we havent been told to
// watch anything (like in run mode)
if (!onSettingsChanged) {
return
}
debug('watch settings files')
const obj = {
onChange: () => {
debug('settings files have changed')
// dont fire change events if we generated
// a project id less than 1 second ago
if (this.generatedProjectIdTimestamp &&
((Date.now() - this.generatedProjectIdTimestamp) < 1000)) {
return
}
debug('run onSettingsChanged')
// call our callback function
// when settings change!
onSettingsChanged()
},
}
if (configFile !== false) {
this.watchers.watchTree(settings.pathToConfigFile(projectRoot, { configFile }), obj)
}
return this.watchers.watch(settings.pathToCypressEnvJson(projectRoot), obj)
}
initializeReporter ({
report,
reporter,
projectRoot,
reporterOptions,
}: Pick<Cfg, 'report' | 'reporter' | 'projectRoot' | 'reporterOptions'>) {
if (!report) {
return
}
try {
Reporter.loadReporter(reporter, projectRoot)
} catch (err) {
const paths = Reporter.getSearchPathsForReporter(reporter, projectRoot)
// only include the message if this is the standard MODULE_NOT_FOUND
// else include the whole stack
const errorMsg = err.code === 'MODULE_NOT_FOUND' ? err.message : err.stack
errors.throw('INVALID_REPORTER_NAME', {
paths,
error: errorMsg,
name: reporter,
})
}
return Reporter.create(reporter, reporterOptions, projectRoot)
}
startWebsockets (options: Options, { socketIoCookie, namespace, screenshotsFolder, report, reporter, reporterOptions, projectRoot }: StartWebsocketOptions) {
// if we've passed down reporter
// then record these via mocha reporter
const reporterInstance = this.initializeReporter({
report,
reporter,
reporterOptions,
projectRoot,
})
const onBrowserPreRequest = (browserPreRequest) => {
this.server.addBrowserPreRequest(browserPreRequest)
}
const onRequestEvent = (eventName, data) => {
this.server.emitRequestEvent(eventName, data)
}
this._automation = new Automation(namespace, socketIoCookie, screenshotsFolder, onBrowserPreRequest, onRequestEvent)
this.server.startWebsockets(this.automation, this.cfg, {
onReloadBrowser: options.onReloadBrowser,
onFocusTests: options.onFocusTests,
onSpecChanged: options.onSpecChanged,
onSavedStateChanged: (state: any) => this.saveState(state),
onCaptureVideoFrames: (data: any) => {
// TODO: move this to browser automation middleware
this.emit('capture:video:frames', data)
},
onConnect: (id: string, socket, cySocket) => {
options.onConnect?.(id, socket, cySocket)
this.emit('socket:connected', id)
},
onTestsReceivedAndMaybeRecord: async (runnables: unknown[], cb: () => void) => {
debug('received runnables %o', runnables)
if (reporterInstance) {
reporterInstance.setRunnables(runnables)
}
if (this._recordTests) {
await this._recordTests?.(runnables, cb)
this._recordTests = null
return
}
cb()
},
onMocha: async (event, runnable) => {
debug('onMocha', event)
// bail if we dont have a
// reporter instance
if (!reporterInstance) {
return
}
reporterInstance.emit(event, runnable)
if (event === 'end') {
const [stats = {}] = await Promise.all([
(reporterInstance != null ? reporterInstance.end() : undefined),
this.server.end(),
])
this.emit('end', stats)
}
return
},
})
}
changeToUrl (url) {
this.server.changeToUrl(url)
}
shouldCorrelatePreRequests = () => {
if (!this.browser) {
return false
}
const { family, majorVersion } = this.browser
return family === 'chromium' || (family === 'firefox' && majorVersion >= 86)
}
setCurrentSpecAndBrowser (spec, browser: Cypress.Browser) {
this.spec = spec
this.browser = browser
}
async setBrowsers (browsers = []) {
debug('getting config before setting browsers %o', browsers)
const cfg = this.getConfig()
debug('setting config browsers to %o', browsers)
cfg.browsers = browsers
}
getAutomation () {
return this.automation
}
async initializeConfig (): Promise<Cfg> {
let theCfg: Cfg = await config.get(this.projectRoot, this.options)
if (theCfg.browsers) {
theCfg.browsers = theCfg.browsers?.map((browser) => {
if (browser.family === 'chromium' || theCfg.chromeWebSecurity) {
return browser
}
return {
...browser,
warning: browser.warning || errors.getMsgByType('CHROME_WEB_SECURITY_NOT_SUPPORTED', browser.name),
}
})
}
theCfg = this.testingType === 'e2e'
? theCfg
: this.injectCtSpecificConfig(theCfg)
if (theCfg.isTextTerminal) {
this._cfg = theCfg
return this._cfg
}
// decide if new project by asking scaffold
// and looking at previously saved user state
if (!theCfg.integrationFolder) {
throw new Error('Missing integration folder')
}
const untouchedScaffold = await this.determineIsNewProject(theCfg)
const userHasSeenBanner = _.get(theCfg, 'state.showedNewProjectBanner', false)
debugScaffold(`untouched scaffold ${untouchedScaffold} banner closed ${userHasSeenBanner}`)
theCfg.isNewProject = untouchedScaffold && !userHasSeenBanner
const cfgWithSaved = await this._setSavedState(theCfg)
this._cfg = cfgWithSaved
return this._cfg
}
// returns project config (user settings + defaults + cypress.json)
// with additional object "state" which are transient things like
// window width and height, DevTools open or not, etc.
getConfig (): Cfg {
if (!this._cfg) {
throw Error('Must call #initializeConfig before accessing config.')
}
debug('project has config %o', this._cfg)
return this._cfg
}
// Saved state
// forces saving of project's state by first merging with argument
async saveState (stateChanges = {}) {
if (!this.cfg) {
throw new Error('Missing project config')
}
if (!this.projectRoot) {
throw new Error('Missing project root')
}
let state = await savedState.create(this.projectRoot, this.cfg.isTextTerminal)
state.set(stateChanges)
state = await state.get()
this.cfg.state = state
return state
}
async _setSavedState (cfg: Cfg) {
debug('get saved state')
let state = await savedState.create(this.projectRoot, cfg.isTextTerminal)
state = await state.get()
cfg.state = state
return cfg
}
// Scaffolding
removeScaffoldedFiles () {
if (!this.cfg) {
throw new Error('Missing project config')
}
return scaffold.removeIntegration(this.cfg.integrationFolder, this.cfg)
}
// do not check files again and again - keep previous promise
// to refresh it - just close and open the project again.
determineIsNewProject (folder) {
return scaffold.isNewProject(folder)
}
scaffold (cfg: Cfg) {
debug('scaffolding project %s', this.projectRoot)
const scaffolds = []
const push = scaffolds.push.bind(scaffolds) as any
// TODO: we are currently always scaffolding support
// even when headlessly - this is due to a major breaking
// change of 0.18.0
// we can later force this not to always happen when most
// of our users go beyond 0.18.0
//
// ensure support dir is created
// and example support file if dir doesnt exist
push(scaffold.support(cfg.supportFolder, cfg))
// if we're in headed mode add these other scaffolding tasks
debug('scaffold flags %o', {
isTextTerminal: cfg.isTextTerminal,
CYPRESS_INTERNAL_FORCE_SCAFFOLD: process.env.CYPRESS_INTERNAL_FORCE_SCAFFOLD,
})
const scaffoldExamples = !cfg.isTextTerminal || process.env.CYPRESS_INTERNAL_FORCE_SCAFFOLD
if (scaffoldExamples) {
debug('will scaffold integration and fixtures folder')
push(scaffold.integration(cfg.integrationFolder, cfg))
push(scaffold.fixture(cfg.fixturesFolder, cfg))
} else {
debug('will not scaffold integration or fixtures folder')
}
return Promise.all(scaffolds)
}
// These methods are not related to start server/sockets/runners
async getProjectId (config?: Cfg): Promise<string> {
await this.verifyExistence()
const readSettings = config || await settings.read(this.projectRoot, this.options)
if (readSettings && readSettings.projectId) {
return readSettings.projectId
}
return errors.throw('NO_PROJECT_ID', settings.configFile(this.projectRoot, this.options), this.projectRoot)
}
async verifyExistence () {
try {
await fs.statAsync(this.projectRoot)
} catch (err) {
errors.throw('NO_PROJECT_FOUND_AT_PROJECT_ROOT', this.projectRoot)
}
}
async getRecordKeys () {
const [projectId, authToken] = await Promise.all([
this.getProjectId(),
user.ensureAuthToken(),
])
return api.getProjectRecordKeys(projectId, authToken)
}
async requestAccess (projectId) {
const authToken = await user.ensureAuthToken()
return api.requestAccess(projectId, authToken)
}
// For testing
// Do not use this method outside of testing
// pass all your options when you create a new instance!
__setOptions (options: Options) {
this.options = options
}
__setConfig (cfg: Cfg) {
this._cfg = cfg
}
}