1 | 'use strict'
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2 |
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3 | const http = require('http')
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4 |
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5 | const constant = require('./constants')
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6 | const EventEmitter = require('events').EventEmitter
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7 | const helper = require('./helper')
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8 | const cfg = require('./config')
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9 | const logger = require('./logger')
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10 | const log = logger.create('runner')
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11 |
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12 | function parseExitCode (buffer, defaultExitCode, failOnEmptyTestSuite) {
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13 | const tailPos = buffer.length - Buffer.byteLength(constant.EXIT_CODE) - 2
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14 |
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15 | if (tailPos < 0) {
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16 | return { exitCode: defaultExitCode, buffer }
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17 | }
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18 |
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19 | const tail = buffer.slice(tailPos)
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20 | const tailStr = tail.toString()
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21 | if (tailStr.substr(0, tailStr.length - 2) === constant.EXIT_CODE) {
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22 | const emptyInt = parseInt(tailStr.substr(-2, 1), 10)
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23 | let exitCode = parseInt(tailStr.substr(-1), 10)
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24 | if (failOnEmptyTestSuite === false && emptyInt === 0) {
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25 | log.warn('Test suite was empty.')
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26 | exitCode = 0
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27 | }
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28 | return { exitCode, buffer: buffer.slice(0, tailPos) }
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29 | }
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30 |
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31 | return { exitCode: defaultExitCode, buffer }
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32 | }
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33 |
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34 |
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35 | function run (config, done) {
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36 | config = config || {}
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37 |
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38 | logger.setupFromConfig(config)
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39 |
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40 | done = helper.isFunction(done) ? done : process.exit
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41 | config = cfg.parseConfig(config.configFile, config)
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42 |
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43 | let exitCode = 1
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44 | const emitter = new EventEmitter()
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45 | const options = {
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46 | hostname: config.hostname,
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47 | path: config.urlRoot + 'run',
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48 | port: config.port,
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49 | method: 'POST',
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50 | headers: {
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51 | 'Content-Type': 'application/json'
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52 | }
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53 | }
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54 |
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55 | const request = http.request(options, function (response) {
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56 | response.on('data', function (buffer) {
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57 | const parsedResult = parseExitCode(buffer, exitCode, config.failOnEmptyTestSuite)
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58 | exitCode = parsedResult.exitCode
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59 | emitter.emit('progress', parsedResult.buffer)
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60 | })
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61 |
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62 | response.on('end', () => done(exitCode))
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63 | })
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64 |
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65 | request.on('error', function (e) {
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66 | if (e.code === 'ECONNREFUSED') {
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67 | log.error('There is no server listening on port %d', options.port)
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68 | done(1, e.code)
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69 | } else {
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70 | throw e
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71 | }
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72 | })
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73 |
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74 | request.end(JSON.stringify({
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75 | args: config.clientArgs,
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76 | removedFiles: config.removedFiles,
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77 | changedFiles: config.changedFiles,
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78 | addedFiles: config.addedFiles,
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79 | refresh: config.refresh,
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80 | colors: config.colors
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81 | }))
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82 |
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83 | return emitter
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84 | }
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85 |
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86 | exports.run = run
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