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| 1 | +var http = require('http'); |
| 2 | +var url = require('url'); |
| 3 | +var fs = require('fs'); |
| 4 | +var path = require('path'); |
| 5 | + |
| 6 | +var ecstatic = require('ecstatic'); |
| 7 | +var browserify = require('browserify'); |
| 8 | +var cheerio = require('cheerio'); |
| 9 | +var tapParser = require('tap-parser'); |
| 10 | +var chrome = require('chrome-launch'); |
| 11 | + |
| 12 | +var PORT = 8080; |
| 13 | +var PATH_ROOT = path.join(__dirname, '..'); |
| 14 | +var PATH_INDEX_STUB = path.join(PATH_ROOT, 'index.tmp.html'); |
| 15 | +var PATH_TEST_BUNDLE = path.join(PATH_ROOT, 'test.tmp.js'); |
| 16 | + |
| 17 | +var URL = 'http://localhost:' + PORT + '/index.tmp.html'; |
| 18 | +var EXIT_CODE = 0; |
| 19 | + |
| 20 | +if(process.argv.length !== 4) { |
| 21 | + throw new Error('must provide path to html and js files'); |
| 22 | +} |
| 23 | + |
| 24 | +var PATH_INDEX = process.argv[2]; |
| 25 | +var PATH_TEST_FILE = process.argv[3]; |
| 26 | + |
| 27 | +main(); |
| 28 | + |
| 29 | +function main() { |
| 30 | + scanInput(); |
| 31 | + |
| 32 | + stubIndex() |
| 33 | + .then(bundleTests) |
| 34 | + .then(startServer) |
| 35 | + .then(launch); |
| 36 | +} |
| 37 | + |
| 38 | +function scanInput() { |
| 39 | + var reqFiles = [PATH_INDEX, PATH_TEST_FILE]; |
| 40 | + |
| 41 | + reqFiles.forEach(function(filePath) { |
| 42 | + if(!doesFileExist(filePath)) { |
| 43 | + throw new Error(filePath + ' does not exist'); |
| 44 | + } |
| 45 | + }); |
| 46 | +} |
| 47 | + |
| 48 | +function stubIndex() { |
| 49 | + return new Promise(function(resolve, reject) { |
| 50 | + var html = fs.readFileSync(PATH_INDEX, 'utf-8'); |
| 51 | + var $ = cheerio.load(html); |
| 52 | + |
| 53 | + $('body').append('<script type="text/javascript" src="../test.tmp.js"></script>'); |
| 54 | + |
| 55 | + fs.writeFile(PATH_INDEX_STUB, $.html(), resolve); |
| 56 | + }); |
| 57 | +} |
| 58 | + |
| 59 | +function bundleTests() { |
| 60 | + return new Promise(function(resolve, reject) { |
| 61 | + var wsBundle = fs.createWriteStream(PATH_TEST_BUNDLE); |
| 62 | + |
| 63 | + browserify(PATH_TEST_FILE, { debug: true }) |
| 64 | + .bundle() |
| 65 | + .pipe(wsBundle); |
| 66 | + |
| 67 | + wsBundle.on('close', resolve); |
| 68 | + }); |
| 69 | +} |
| 70 | + |
| 71 | +function startServer() { |
| 72 | + return new Promise(function(resolve, reject) { |
| 73 | + var server = http.createServer(ecstatic({ root: PATH_ROOT })); |
| 74 | + |
| 75 | + server.on('request', handle); |
| 76 | + |
| 77 | + server.listen(PORT, resolve); |
| 78 | + }); |
| 79 | +} |
| 80 | + |
| 81 | +function handle(req, res) { |
| 82 | + var query = url.parse(req.url).query || ''; |
| 83 | + var parser = tapParser(); |
| 84 | + |
| 85 | + function is(query, root) { |
| 86 | + return query.indexOf(root) !== -1; |
| 87 | + } |
| 88 | + |
| 89 | + if(is(query, 'data')) handleData(req, res); |
| 90 | + if(is(query, 'done')) handleDone(); |
| 91 | + |
| 92 | + function handleData(req, res) { |
| 93 | + req.pipe(parser); |
| 94 | + req.pipe(process.stdout); |
| 95 | + } |
| 96 | + |
| 97 | + parser.on('assert', function(assert) { |
| 98 | + if(EXIT_CODE === 0 && assert.ok === false) EXIT_CODE = 1; |
| 99 | + }) |
| 100 | + |
| 101 | + function handleDone() { |
| 102 | + removeBuildFiles(); |
| 103 | + process.exit(EXIT_CODE); |
| 104 | + } |
| 105 | +} |
| 106 | + |
| 107 | +function launch() { |
| 108 | + chrome(URL); |
| 109 | +} |
| 110 | + |
| 111 | +function removeBuildFiles() { |
| 112 | + fs.unlinkSync(PATH_INDEX_STUB); |
| 113 | + fs.unlinkSync(PATH_TEST_BUNDLE); |
| 114 | +} |
| 115 | + |
| 116 | +function doesFileExist(filePath) { |
| 117 | + try { |
| 118 | + if(fs.statSync(filePath).isFile()) return true; |
| 119 | + } |
| 120 | + catch(e) { |
| 121 | + return false; |
| 122 | + } |
| 123 | + |
| 124 | + return false; |
| 125 | +} |
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