forked from lix-project/lix-website
114 lines
3.2 KiB
JavaScript
114 lines
3.2 KiB
JavaScript
'use strict'
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const http = require('http')
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const constant = require('./constants')
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const EventEmitter = require('events').EventEmitter
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const helper = require('./helper')
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const cfg = require('./config')
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const logger = require('./logger')
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const { lookup } = require('./utils/dns-utils')
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const log = logger.create('runner')
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function parseExitCode (buffer, defaultExitCode, failOnEmptyTestSuite) {
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const tailPos = buffer.length - Buffer.byteLength(constant.EXIT_CODE) - 2
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if (tailPos < 0) {
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return { exitCode: defaultExitCode, buffer }
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}
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const tail = buffer.slice(tailPos)
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const tailStr = tail.toString()
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if (tailStr.slice(0, -2) === constant.EXIT_CODE) {
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const emptyInt = parseInt(tailStr.slice(-2, -1), 10)
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let exitCode = parseInt(tailStr.slice(-1), 10)
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if (failOnEmptyTestSuite === false && emptyInt === 0) {
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log.warn('Test suite was empty.')
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exitCode = 0
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}
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return { exitCode, buffer: buffer.slice(0, tailPos) }
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}
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return { exitCode: defaultExitCode, buffer }
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}
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// TODO(vojta): read config file (port, host, urlRoot)
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function run (cliOptionsOrConfig, done) {
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cliOptionsOrConfig = cliOptionsOrConfig || {}
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done = helper.isFunction(done) ? done : process.exit
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let config
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if (cliOptionsOrConfig instanceof cfg.Config) {
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config = cliOptionsOrConfig
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} else {
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logger.setupFromConfig({
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colors: cliOptionsOrConfig.colors,
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logLevel: cliOptionsOrConfig.logLevel
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})
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const deprecatedCliOptionsMessage =
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'Passing raw CLI options to `runner(config, done)` is deprecated. Use ' +
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'`parseConfig(configFilePath, cliOptions, {promiseConfig: true, throwErrors: true})` ' +
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'to prepare a processed `Config` instance and pass that as the ' +
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'`config` argument instead.'
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log.warn(deprecatedCliOptionsMessage)
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try {
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config = cfg.parseConfig(
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cliOptionsOrConfig.configFile,
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cliOptionsOrConfig,
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{
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promiseConfig: false,
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throwErrors: true
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}
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)
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} catch (parseConfigError) {
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// TODO: change how `done` falls back to exit in next major version
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// SEE: https://github.com/karma-runner/karma/pull/3635#discussion_r565399378
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done(1)
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}
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}
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let exitCode = 1
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const emitter = new EventEmitter()
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const options = {
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hostname: config.hostname,
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path: config.urlRoot + 'run',
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port: config.port,
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method: 'POST',
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headers: {
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'Content-Type': 'application/json'
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},
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lookup
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}
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const request = http.request(options, function (response) {
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response.on('data', function (buffer) {
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const parsedResult = parseExitCode(buffer, exitCode, config.failOnEmptyTestSuite)
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exitCode = parsedResult.exitCode
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emitter.emit('progress', parsedResult.buffer)
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})
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response.on('end', () => done(exitCode))
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})
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request.on('error', function (e) {
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if (e.code === 'ECONNREFUSED') {
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log.error('There is no server listening on port %d', options.port)
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done(1, e.code)
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} else {
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throw e
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}
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})
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request.end(JSON.stringify({
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args: config.clientArgs,
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removedFiles: config.removedFiles,
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changedFiles: config.changedFiles,
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addedFiles: config.addedFiles,
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refresh: config.refresh,
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colors: config.colors
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}))
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return emitter
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}
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exports.run = run
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