pp-parachute/spec/bundlers/script_bundler_spec.js

Airdrop JS Applications

var ScriptBundler = require('../../bundlers/script_bundler');
var Environment = require('../../application/environment');
var path = require('path');
var fs = require('fs');

describe('ScriptBundler', function () {
    it('should bundle scripts', function (done) {
        var s = new ScriptBundler('js/**/*.js');
        var __global = null;
        s._bundle().then(function () {
            eval(s.rawOutput.toString());
            expect(__global).toBe(1);
            done();
        });
    });

    it('should bundle them in require order', function (done) {
        var s = new ScriptBundler('js/**/*.js');
        var testPath = path.join(__dirname, '/js/order.js');
        __testGlobal = "hello";

        var codeString = "__testGlobal = require('./file1')";
        fs.existsSync(testPath) && fs.unlinkSync(testPath);
        fs.writeFile(testPath, codeString);
        s._bundle().then(function () {
            eval(s.rawOutput.toString());
            expect(__testGlobal).toBe("abc");
            fs.existsSync(testPath) && fs.unlinkSync(testPath);
            done();
        });
    });

    it('should watch a bundle and recompile on add', function (done) {
        var s = new ScriptBundler('js/**/*.js');
        s.createSourceMaps(false);
        var testPath = path.join(__dirname, '/js/add.js');
        var __testGlobal = null;
        var codeString = "__testGlobal = 'here I am'";
        fs.existsSync(testPath) && fs.unlinkSync(testPath);
        s.watch().then(function () {
            s.on('bundleCompleted', function () {
                eval(s.rawOutput.toString());
                expect(__testGlobal).toBe("here I am");
                s.shutdown();
                fs.existsSync(testPath) && fs.unlinkSync(testPath);
                done();
            });
            fs.writeFileSync(testPath, codeString);
        });
    });

    it('should watch a bundle and recompile on change', function (done) {
        var s = new ScriptBundler('js/**/*.js');
        var testPath = path.join(__dirname, '/js/change.js');
        var __testGlobal = null;
        var codeString = "__testGlobal = 'here I am'";
        fs.writeFileSync(testPath, codeString);
        s.watch().then(function () {
            s.on('bundleCompleted', function (b, v) {
                eval(s.rawOutput.toString());
                expect(__testGlobal).toBe("here I am again");
                s.shutdown();
                fs.existsSync(testPath) && fs.unlinkSync(testPath);
                done();
            });
            fs.writeFileSync(testPath, "__testGlobal = 'here I am again'");
        });
    });

    it('should watch a bundle and recompile on remove', function (done) {
        var s = new ScriptBundler('js/**/*.js');
        var testPath = path.join(__dirname, '/js/remove.js');
        var __testGlobal = null;
        var codeString = "__testGlobal = 'here I am'";
        fs.writeFileSync(testPath, codeString);
        s.watch().then(function () {
            s.on('bundleCompleted', function (b, v) {
                eval(s.rawOutput.toString());
                expect(__testGlobal).toBe(null);
                s.shutdown();
                done();
            });
            fs.existsSync(testPath) && fs.unlinkSync(testPath);
        });
    });

    it('should return an error if it fails', function(done) {
        var s = new ScriptBundler('js/**/*.js');
        var testPath = path.join(__dirname, '/js/error.js');
        var codeString = "require('not_there')";
        fs.writeFileSync(testPath, codeString);
        s.on('bundleFailed', function () {
            fs.existsSync(testPath) && fs.unlinkSync(testPath);
            done();
        });
        s.watch().then(function () {
            s.shutdown();
        });
    });

    describe('Source Maps', function() {
        it('should create sourcemaps', function (done) {
            var s = new ScriptBundler('js/**/*.js');
            var e = new Environment('test');
            e.rootPath = __dirname;
            e.useBundler(s, 'srcMapTest.js');
            e.setOutputDirectory('dist');
            e.build().then(function () {
                fs.readFile(__dirname + '/dist/srcMapTest.js', 'utf-8', function (error, result) {
                    expect(result.indexOf('//# sourceMappingURL=')).not.toBe(-1);
                    done();
                })
            });
        });

        it('should not create sourcemaps', function (done) {
            var s = new ScriptBundler('js/**/*.js')
                .createSourceMaps(false);
            var e = new Environment('test');
            e.rootPath = __dirname;
            e.useBundler(s, 'srcMapTest.js');
            e.setOutputDirectory('dist');
            e.build().then(function () {
                fs.readFile(__dirname + '/dist/srcMapTest.js', 'utf-8', function (error, result) {
                    expect(result.indexOf('//# sourceMappingURL=')).toBe(-1);
                    done();
                })
            });
        });
    });
});