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{ parse } from 'url';\nimport { relative } from 'path';\nimport { stringify as stringifyQuery } from 'querystring';\nimport { Handle, Task, CancellablePromise } from '@theintern/common';\n\nimport Suite, { SuiteOptions } from './Suite';\nimport { InternError } from './types';\nimport Node, { NodeEvents } from './executors/Node';\nimport { Config } from './common/config';\nimport Browser from './executors/Browser';\nimport { stringify } from './common/util';\nimport Deferred from './Deferred';\n\n// This is used for the `execute` config block\ndeclare const intern: Browser;\n\n/**\n * RemoteSuite is a class that acts as a local server for one or more unit test\n * suites being run in a remote browser.\n */\nexport default class RemoteSuite extends Suite {\n executor!: Node;\n\n constructor(options?: Partial<SuiteOptions>) {\n options = options || {};\n if (options.name == null) {\n options.name = 'remote unit tests';\n }\n\n super(<SuiteOptions>options);\n\n if (this.timeout == null) {\n this.timeout = Infinity;\n }\n }\n\n /**\n * Override Suite#id to exclude the RemoteSuite's name from the generated ID\n * since the RemoteSuite is just a proxy for a remote suite.\n */\n get id() {\n let name: string[] = [];\n let suite: Suite = this.parent!;\n\n do {\n suite.name != null && name.unshift(suite.name);\n } while ((suite = suite.parent!));\n\n return name.join(' - ');\n }\n\n /**\n * Run a suite in a remote browser.\n */\n run(): CancellablePromise<any> {\n const remote = this.remote;\n const sessionId = remote.session.sessionId;\n const server = this.executor.server!;\n let listenerHandle: Handle;\n let connectTimer: NodeJS.Timer;\n\n return new Task(\n (resolve, reject) => {\n const handleError = (error: InternError) => {\n this.error = error;\n reject(error);\n };\n\n const config = this.executor.config;\n\n // This is a deferred that will resolve when the remote sends\n // back a 'remoteConfigured' message\n const pendingConnection = new Deferred<void>();\n\n // If the remote takes to long to connect, reject the connection\n // promise\n const connectTimeout = config.connectTimeout;\n connectTimer = global.setTimeout(() => {\n const error = new Error('Timed out waiting for remote to connect');\n error.name = 'TimeoutError';\n pendingConnection.reject(error);\n }, connectTimeout);\n\n // Subscribe to messages received by the server for a particular\n // remote session ID.\n listenerHandle = server.subscribe(\n sessionId,\n (eventName: string, data: any) => {\n const name = <keyof RemoteEvents>eventName;\n let suite: Suite;\n\n switch (name) {\n case 'remoteStatus':\n if (data === 'initialized') {\n clearTimeout(connectTimer);\n pendingConnection.resolve();\n }\n break;\n\n case 'suiteStart':\n suite = data;\n if (!suite.hasParent) {\n // This suite from the browser is a root\n // suite; add its tests to the local suite\n this.tests.push(...suite.tests);\n\n // Tell the executor that the local suite\n // has started\n return this.executor.emit('suiteStart', this);\n } else {\n // If suite from the browser isn't a root\n // (i.e., it's a nested suite), just forward\n // the start event\n return this.executor.emit(name, data);\n }\n\n case 'suiteEnd':\n suite = data;\n this.skipped = suite.skipped;\n\n if (!suite.hasParent) {\n // When the remote root suite has finished,\n // replace the local test objects with the\n // incoming test data since it will include\n // final results.\n suite.tests.forEach((test, index) => {\n this.tests[index] = test;\n });\n\n if (suite.error) {\n handleError(suite.error);\n }\n } else {\n // If suite from the browser isn't a root,\n // just forward the end event\n return this.executor.emit(name, data);\n }\n break;\n\n case 'beforeRun':\n case 'afterRun':\n case 'runStart':\n // Consume these events -- they shouldn't be\n // forwarded to any local listeners\n break;\n\n case 'runEnd':\n // Consume this event, and do some\n // post-processing\n let promise = remote.setHeartbeatInterval(0);\n if (this.executor.hasCoveredFiles) {\n // get about:blank to always collect code\n // coverage data from the page in case it is\n // navigated away later by some other\n // process; this happens during self-testing\n // when the Leadfoot library takes over\n promise = promise.get('about:blank');\n }\n return promise.then(resolve, reject);\n\n case 'error':\n // Ignore summary suite error messages\n if (!/One or more suite errors/.test(data.message)) {\n handleError(data);\n }\n break;\n\n default:\n return this.executor.emit(name, data);\n }\n }\n );\n\n const serverUrl = parse(config.serverUrl);\n\n // Intern runs unit tests on the remote Selenium server by\n // navigating to the client runner HTML page. No real commands\n // are issued after the call to remote.get() below until all\n // unit tests are complete, so we need to make sure that we\n // periodically send no-ops through the channel to ensure the\n // remote server does not treat the session as having timed out\n const timeout = config.heartbeatInterval!;\n if (timeout >= 1 && timeout < Infinity) {\n remote.setHeartbeatInterval((timeout - 1) * 1000);\n }\n\n // These are options that will be passed as query params to the\n // test harness page\n const queryOptions: Partial<RemoteConfig> = {\n basePath: serverUrl.pathname,\n runInSync: config.runInSync || false,\n serverUrl: serverUrl.href,\n sessionId: sessionId,\n socketPort: server.socketPort\n };\n\n // Do some pre-serialization of the options\n const queryParams: { [key: string]: any } = {};\n Object.keys(queryOptions)\n .filter(option => {\n const key = <keyof RemoteConfig>option;\n return queryOptions[key] != null;\n })\n .forEach(option => {\n const key = <keyof RemoteConfig>option;\n let value = queryOptions[key];\n if (typeof value === 'object') {\n value = JSON.stringify(value);\n }\n queryParams[key] = value;\n });\n\n const query = stringifyQuery(queryParams);\n const harness = `${config.serverUrl}__intern/browser/remote.html`;\n\n // Determine the relative path from basePath to internPath. This\n // will be used to derive the internPath sent to the remote. The\n // remote will figure out its own basePath.\n const internPath = relative(config.basePath, config.internPath);\n\n // These are options that will be POSTed to the remote page and\n // used to configure intern. Stringify and parse them to ensure\n // that the config can be properly transmitted.\n const disableDomUpdates =\n config.remoteOptions && config.remoteOptions.disableDomUpdates;\n const remoteReporters = disableDomUpdates ? [] : [{ name: 'dom' }];\n const remoteConfig: Partial<RemoteConfig> = {\n debug: config.debug,\n internPath: `${serverUrl.pathname}${internPath}`,\n name: this.id,\n reporters: remoteReporters\n };\n\n // Don't overwrite any config data we've already set\n const excludeKeys: { [key: string]: boolean } = {\n basePath: true,\n internPath: true,\n name: true,\n reporters: true,\n serverUrl: true,\n sessionId: true,\n socketPort: true\n };\n\n // Pass all non-excluded keys to the remote config\n Object.keys(config)\n .filter(key => !excludeKeys[key])\n .forEach(property => {\n const key = <keyof RemoteConfig>property;\n (remoteConfig as any)[key] = config[key];\n });\n\n this.executor.log(\n 'Configuring remote \"',\n this.name,\n '\" with',\n remoteConfig\n );\n\n remote\n .get(`${harness}?${query}`)\n .then(() => pendingConnection.promise)\n // Send the config data in an execute block to avoid sending\n // very large query strings\n .execute(\n /* istanbul ignore next */ function(configString: string) {\n const options = JSON.parse(configString);\n intern.configure(options);\n intern.run().catch(_error => {});\n },\n [stringify(remoteConfig)]\n )\n // If there's an error loading the page, kill the heartbeat\n // and fail\n .catch(error =>\n remote.setHeartbeatInterval(0).finally(() => handleError(error))\n );\n },\n // Canceller\n () => remote.setHeartbeatInterval(0)\n )\n .catch(error => {\n if (!this.error) {\n this.error = error;\n }\n throw error;\n })\n .finally(() => {\n if (connectTimer) {\n clearTimeout(connectTimer);\n }\n listenerHandle.destroy();\n })\n .finally(() => this.executor.emit('suiteEnd', this));\n }\n}\n\nexport interface RemoteEvents extends NodeEvents {\n remoteStatus: string;\n}\n\nexport interface RemoteConfig extends Config {\n serverUrl: string;\n sessionId: string;\n runInSync: boolean;\n socketPort?: number;\n}\n"]} |