1 | var readline = require('readline')
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2 | var path = require('path')
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3 | var glob = require('glob')
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4 | var mm = require('minimatch')
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5 | var exec = require('child_process').exec
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6 |
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7 | var helper = require('./helper')
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8 | var logger = require('./logger')
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9 | var constant = require('./constants')
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10 |
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11 | var log = logger.create('init')
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12 |
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13 | var StateMachine = require('./init/state_machine')
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14 | var COLOR_SCHEME = require('./init/color_schemes')
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15 | var formatters = require('./init/formatters')
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16 |
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17 |
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18 |
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19 |
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20 |
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21 |
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22 | var logQueue = []
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23 | var printLogQueue = function () {
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24 | while (logQueue.length) {
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25 | logQueue.shift()()
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26 | }
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27 | }
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28 |
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29 | var NODE_MODULES_DIR = path.resolve(__dirname, '../..')
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30 |
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31 |
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32 |
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33 | if (!/node_modules$/.test(NODE_MODULES_DIR)) {
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34 | NODE_MODULES_DIR = path.resolve('node_modules')
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35 | }
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36 |
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37 | var installPackage = function (pkgName) {
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38 |
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39 | try {
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40 | require(NODE_MODULES_DIR + '/' + pkgName)
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41 | return
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42 | } catch (e) {}
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43 |
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44 | log.debug('Missing plugin "%s". Installing...', pkgName)
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45 |
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46 | var options = {
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47 | cwd: path.resolve(NODE_MODULES_DIR, '..')
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48 | }
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49 |
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50 | exec('npm install ' + pkgName + ' --save-dev', options, function (err, stdout, stderr) {
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51 |
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52 |
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53 | logQueue.push(function () {
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54 | if (!err) {
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55 | log.debug('%s successfully installed.', pkgName)
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56 | } else if (/is not in the npm registry/.test(stderr)) {
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57 | log.warn('Failed to install "%s". It is not in the NPM registry!\n' +
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58 | ' Please install it manually.', pkgName)
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59 | } else if (/Error: EACCES/.test(stderr)) {
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60 | log.warn('Failed to install "%s". No permissions to write in %s!\n' +
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61 | ' Please install it manually.', pkgName, options.cwd)
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62 | } else {
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63 | log.warn('Failed to install "%s"\n Please install it manually.', pkgName)
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64 | }
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65 | })
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66 | })
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67 | }
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68 |
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69 | var validatePattern = function (pattern) {
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70 | if (!glob.sync(pattern).length) {
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71 | log.warn('There is no file matching this pattern.\n')
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72 | }
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73 | }
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74 |
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75 | var validateBrowser = function (name) {
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76 |
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77 | installPackage('karma-' + name.toLowerCase().replace('canary', '') + '-launcher')
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78 | }
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79 |
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80 | var validateFramework = function (name) {
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81 | installPackage('karma-' + name)
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82 | }
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83 |
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84 | var validateRequireJs = function (useRequire) {
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85 | if (useRequire) {
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86 | validateFramework('requirejs')
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87 | }
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88 | }
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89 |
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90 | var questions = [{
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91 | id: 'framework',
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92 | question: 'Which testing framework do you want to use ?',
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93 | hint: 'Press tab to list possible options. Enter to move to the next question.',
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94 | options: ['jasmine', 'mocha', 'qunit', 'nodeunit', 'nunit', ''],
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95 | validate: validateFramework
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96 | }, {
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97 | id: 'requirejs',
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98 | question: 'Do you want to use Require.js ?',
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99 | hint: 'This will add Require.js plugin.\n' +
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100 | 'Press tab to list possible options. Enter to move to the next question.',
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101 | options: ['no', 'yes'],
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102 | validate: validateRequireJs,
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103 | boolean: true
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104 | }, {
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105 | id: 'browsers',
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106 | question: 'Do you want to capture any browsers automatically ?',
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107 | hint: 'Press tab to list possible options. Enter empty string to move to the next question.',
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108 | options: ['Chrome', 'ChromeCanary', 'Firefox', 'Safari', 'PhantomJS', 'Opera', 'IE', ''],
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109 | validate: validateBrowser,
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110 | multiple: true
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111 | }, {
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112 | id: 'files',
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113 | question: 'What is the location of your source and test files ?',
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114 | hint: 'You can use glob patterns, eg. "js/*.js" or "test/**/*Spec.js".\n' +
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115 | 'Enter empty string to move to the next question.',
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116 | multiple: true,
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117 | validate: validatePattern
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118 | }, {
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119 | id: 'exclude',
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120 | question: 'Should any of the files included by the previous patterns be excluded ?',
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121 | hint: 'You can use glob patterns, eg. "**/*.swp".\n' +
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122 | 'Enter empty string to move to the next question.',
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123 | multiple: true,
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124 | validate: validatePattern
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125 | }, {
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126 | id: 'generateTestMain',
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127 | question: 'Do you wanna generate a bootstrap file for RequireJS?',
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128 | hint: 'This will generate test-main.js/coffee that configures RequireJS and starts the tests.',
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129 | options: ['no', 'yes'],
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130 | boolean: true,
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131 | condition: function (answers) {
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132 | return answers.requirejs
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133 | }
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134 | }, {
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135 | id: 'includedFiles',
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136 | question: 'Which files do you want to include with <script> tag ?',
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137 | hint: 'This should be a script that bootstraps your test by configuring Require.js and ' +
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138 | 'kicking __karma__.start(), probably your test-main.js file.\n' +
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139 | 'Enter empty string to move to the next question.',
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140 | multiple: true,
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141 | validate: validatePattern,
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142 | condition: function (answers) {
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143 | return answers.requirejs && !answers.generateTestMain
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144 | }
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145 | }, {
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146 | id: 'autoWatch',
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147 | question: 'Do you want Karma to watch all the files and run the tests on change ?',
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148 | hint: 'Press tab to list possible options.',
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149 | options: ['yes', 'no'],
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150 | boolean: true
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151 | }]
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152 |
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153 | var getBasePath = function (configFilePath, cwd) {
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154 | var configParts = path.dirname(configFilePath).split(path.sep)
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155 | var cwdParts = cwd.split(path.sep)
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156 | var base = []
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157 |
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158 | while (configParts.length && configParts[0] === cwdParts[0]) {
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159 | configParts.shift()
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160 | cwdParts.shift()
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161 | }
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162 |
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163 | while (configParts.length) {
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164 | var part = configParts.shift()
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165 | if (part === '..') {
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166 | base.unshift(cwdParts.pop())
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167 | } else if (part !== '.') {
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168 | base.unshift('..')
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169 | }
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170 | }
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171 |
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172 | return base.join(path.sep)
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173 | }
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174 |
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175 | var processAnswers = function (answers, basePath, testMainFile) {
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176 | var processedAnswers = {
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177 | basePath: basePath,
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178 | files: answers.files,
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179 | onlyServedFiles: [],
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180 | exclude: answers.exclude,
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181 | autoWatch: answers.autoWatch,
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182 | generateTestMain: answers.generateTestMain,
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183 | browsers: answers.browsers,
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184 | frameworks: [],
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185 | preprocessors: {}
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186 | }
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187 |
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188 | if (answers.framework) {
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189 | processedAnswers.frameworks.push(answers.framework)
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190 | }
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191 |
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192 | if (answers.requirejs) {
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193 | processedAnswers.frameworks.push('requirejs')
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194 | processedAnswers.files = answers.includedFiles || []
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195 | processedAnswers.onlyServedFiles = answers.files
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196 |
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197 | if (answers.generateTestMain) {
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198 | processedAnswers.files.push(testMainFile)
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199 | }
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200 | }
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201 |
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202 | var allPatterns = answers.files.concat(answers.includedFiles || [])
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203 | if (allPatterns.some(function (pattern) {
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204 | return mm(pattern, '**/*.coffee')
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205 | })) {
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206 | installPackage('karma-coffee-preprocessor')
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207 | processedAnswers.preprocessors['**/*.coffee'] = ['coffee']
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208 | }
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209 |
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210 | return processedAnswers
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211 | }
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212 |
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213 | exports.init = function (config) {
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214 | var useColors = true
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215 | var logLevel = constant.LOG_INFO
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216 | var colorScheme = COLOR_SCHEME.ON
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217 |
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218 | if (helper.isDefined(config.colors)) {
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219 | colorScheme = config.colors ? COLOR_SCHEME.ON : COLOR_SCHEME.OFF
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220 | useColors = config.colors
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221 | }
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222 |
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223 | if (helper.isDefined(config.logLevel)) {
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224 | logLevel = config.logLevel
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225 | }
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226 |
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227 | logger.setup(logLevel, useColors)
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228 |
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229 |
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230 | process.stdin.on('keypress', function (s, key) {
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231 | sm.onKeypress(key)
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232 | })
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233 |
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234 | var rli = readline.createInterface(process.stdin, process.stdout)
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235 | var sm = new StateMachine(rli, colorScheme)
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236 |
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237 | rli.on('line', sm.onLine.bind(sm))
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238 |
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239 |
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240 | rli.on('SIGINT', function () {
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241 | sm.kill()
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242 | process.exit(0)
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243 | })
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244 |
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245 | sm.on('next_question', printLogQueue)
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246 |
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247 | sm.process(questions, function (answers) {
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248 | var cwd = process.cwd()
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249 | var configFile = config.configFile || 'karma.conf.js'
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250 | var isCoffee = path.extname(configFile) === '.coffee'
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251 | var testMainFile = isCoffee ? 'test-main.coffee' : 'test-main.js'
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252 | var formatter = formatters.createForPath(configFile)
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253 | var processedAnswers = processAnswers(answers, getBasePath(configFile, cwd), testMainFile)
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254 | var configFilePath = path.resolve(cwd, configFile)
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255 | var testMainFilePath = path.resolve(cwd, testMainFile)
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256 |
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257 | if (isCoffee) {
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258 | installPackage('coffee-script')
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259 | }
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260 |
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261 | if (processedAnswers.generateTestMain) {
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262 | formatter.writeRequirejsConfigFile(testMainFilePath)
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263 | console.log(colorScheme.success(
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264 | 'RequireJS bootstrap file generated at "' + testMainFilePath + '".\n'
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265 | ))
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266 | }
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267 |
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268 | formatter.writeConfigFile(configFilePath, processedAnswers)
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269 | console.log(colorScheme.success('Config file generated at "' + configFilePath + '".\n'))
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270 | })
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271 | }
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