lmd/test/qunit/run-test.js

LMD: Lazy Module Declaration

var httpServer = require('http-server'),
    childProcess = require('child_process'),
    colors = require('colors');

var port = 8080,
    xDomainPort = 8081,
    host = '127.0.0.1',
    phantomJsIndex = __dirname + "/phantomjs-index.js";

var PHANTOM_BINARY = __dirname + '/../../node_modules/.bin/phantomjs';

function startHttpServer(port, host, callback) {
    var options = {
        root: __dirname,
        autoIndex: true,
        cache: true
    };

    function onListening() {
        console.log('info'.green + ':    Starting up http-server, serving ' + server.root.green + ' on port: ' + port);
        callback();
    }

    var server = httpServer.createServer(options);
    server.listen(port, host, onListening);

    if (process.platform !== 'win32') {
        //
        // Signal handlers don't work on Windows.
        //
        process.on('SIGINT', function () {
            console.warn('Http-server stopped');
            process.exit(1);
        });
    }

    return server;
}

function runTestInPhantomJsEnvironment(runner, url, callback) {
    console.log('info'.green + ':    Starting up phantomjs, with runner ' + runner.green + ' and url ' + url.green);

    var ps = childProcess.spawn(PHANTOM_BINARY, [runner, url]);

    process.stdout.write('test'.cyan + ':    ');
    ps.stdout.on('data', function(buffer) {
        // Proxy & colorize data
        var lines = buffer.toString('utf8')
            .split('\n')
            .map(function (line) {
                if (line.charAt(0) === "#") {
                    return line.blue;
                }
                return line;
            })
            .join('\n' + 'test'.cyan + ':    ');

        return process.stdout.write(lines);
    });

    ps.stderr.on('data', function(buffer) {
        return console.warn(buffer.toString('utf8').red);
    });

    ps.on('exit', callback);
}

var xDomainServer = startHttpServer(xDomainPort, host, function () {

    var server = startHttpServer(port, host, function () {
        var url = "http://" + host + ":" + port + "/index.html";

        runTestInPhantomJsEnvironment(phantomJsIndex, url, function (code) {
            console.log('\ninfo'.green + ':    Stopping http-server');

            server.close();
            xDomainServer.close();
            if (code === 127) {
                console.log('ERRO'.red.inverse + ':    phantomjs bin required to tun this test!'.red);
            }

            if (!code) {
                console.log('info'.green + ':    Exit process with code ' + code);
            } else {
                console.log('ERRO'.red.inverse + ':    Exit process with code '.red + code);
            }
            process.exit(code);
        });
    });

});