node-ff-assets/test/test-asset-assembler.js

'use strict';

var u       = require('underscore');
var fs      = require('fs-extra');
var assert  = require("assert");
var assets  = require("../lib/node-ff-assets");

function createTestAssembler(suite, readFile) {
	var assetAssembler = new assets.AssetAssembler({
		linkMapping: {'/static-test/': 'test/data/'+suite.title+'/'},
		linkTarget:   '/static-test/output.css',
		linkSources: [
		              '/static-test/input0.css',
		              '/static-test/input1.css',
		              ],
	},readFile);
	assetAssembler.on ('log',function (logLevel, logMessage) {
		var level = (logLevel+'      ').substring(0,6);
		console.log('                  '+ level + ' ' + suite.title + ' ' +logMessage);
	});
	return assetAssembler;
}

function createTestData(suite,extraData0) {
	var testName = suite.title;
	var outputFile = 'test/data/'+testName+'/output.css';
	var dataCss0 = 'test/data/'+testName+'/input0.css';
	var dataCss1 = 'test/data/'+testName+'/input1.css';
	fs.ensureFileSync(dataCss0);
	fs.appendFileSync(dataCss0,'input__0');
	if (extraData0 !== undefined) {
		fs.appendFileSync(dataCss0,extraData0);	
	}
	fs.ensureFileSync(dataCss1);
	fs.appendFileSync(dataCss1,'input__1');
	return outputFile;
}

describe('lib/asset-assembler.js', function() {
	
	describe('config-null', function() {
		this.timeout(10000);
		try {
			new assets.AssetAssembler();
			assert.ok(false);
		} catch (err) {
			assert.ok(err !== undefined);
		}
	});
	
	describe('aggregate-two', function() {
		this.timeout(10000);
		var outputFile = createTestData(this);
		var assetAssembler = createTestAssembler(this);
		it('run builder and check output', function (done) {
			assetAssembler.run(function (err) {
				try {
					assert.ok(true);
					assert.equal(true, fs.existsSync(outputFile));
					
					var outputData = ''+fs.readFileSync(outputFile);
					assert.equal(true, outputData.indexOf('input__0') > 0);
					assert.equal(true, outputData.indexOf('input__1') > 0);
					
					done();
				} catch (err) {
					done(err);
				}
			});
		});
	});
	
	describe('aggregate-two-and-remote', function() {
		this.timeout(10000);
		var remoteFile = 'test/data/'+this.title+'/fonts-sans-pro.css'
		var outputFile = createTestData(this);
		var assetAssembler = createTestAssembler(this);
		assetAssembler.config.linkSources.push('/static-test/fonts-sans-pro.css@http://fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,600,700');
		
		it('run builder and check output', function (done) {
			assetAssembler.run(function (err) {
				try {
					assert.ok(true);
					assert.equal(true, fs.existsSync(outputFile));
					assert.equal(true, fs.existsSync(remoteFile));
					
					var outputData = ''+fs.readFileSync(outputFile);
					assert.equal(true, outputData.indexOf('input__0') > 0);
					assert.equal(true, outputData.indexOf('input__1') > 0);
					assert.equal(true, outputData.indexOf('Source Sans Pro') > 0);
					
					done();
				} catch (err) {
					console.log('sdf:  '+Object.keys(err));
					done(err);
				}
			});
		});
	});
	
	describe('remote-404', function() {
		this.timeout(10000);
		var remoteFile = 'test/data/'+this.title+'/font-404.css';
		var outputFile = createTestData(this);
		var assetAssembler = createTestAssembler(this);
		assetAssembler.config.linkSources.push('/static-test/font-404.css@http://fonts.googleapis.com/404');
		
		it('run builder and check output', function (done) {
			assetAssembler.run(function (err) {
				try {
					assert.ok(err !== undefined);
					assert.equal(true, err.message.indexOf('404') >= 0);
					assert.equal(true, fs.existsSync(outputFile));
					assert.equal(true, fs.existsSync(remoteFile));
					
					var outputData = ''+fs.readFileSync(outputFile);
					assert.equal(true, outputData.length !== 0);
					assert.equal(true, outputData.indexOf('input__0') === -1);
					assert.equal(true, outputData.indexOf('input__1') === -1);
					assert.equal(true, outputData.indexOf('Source Sans Pro') === -1);
					
					var remoteData = ''+fs.readFileSync(remoteFile);
					assert.equal(true, remoteData.indexOf('404') > 0);
					
					done();
				} catch (err) {
					done(err);
				}
			});
		});
	});
	
	describe('remote-closed', function() {
		this.timeout(10000);
		var remoteFile = 'test/data/'+this.title+'/font-closed.css'
		var outputFile = createTestData(this);
		var assetAssembler = createTestAssembler(this);
		assetAssembler.config.linkSources.push('/static-test/font-closed.css@http://localhost:12345/closed');
		
		it('run builder and check output', function (done) {
			assetAssembler.run(function (err) {
				try {
					assert.ok(err !== undefined);
					assert.equal(true, err.message.indexOf('REFUSED') >= 0);
					
					assert.equal(true, fs.existsSync(outputFile));
					assert.equal(true, fs.existsSync(remoteFile));
					
					var outputData = ''+fs.readFileSync(outputFile);
					assert.equal(true, outputData.indexOf('input__0') === -1);
					assert.equal(true, outputData.indexOf('input__1') === -1);
					
					var remoteData = ''+fs.readFileSync(remoteFile);
					assert.equal(true, remoteData.length === 0);
					
					done();
				} catch (err) {
					done(err);
				}
			});
		});
	});
	
	describe('aggregate-regex', function() {
		this.timeout(10000);
		var outputFile = createTestData(this,'\n// RM_THIS_COMMENT_LINE\n/* RM_THIS_COMMENT_BLOCK */\n');
		var assetAssembler = createTestAssembler(this,assets.factory.assembler.constructor.readFileRegex());
		it('run builder and check output', function (done) {
			assetAssembler.run(function (err) {
				try {
					assert.ok(true);
					assert.equal(true, fs.existsSync(outputFile));
					
					var outputData = ''+fs.readFileSync(outputFile);
					assert.equal(true, outputData.indexOf('input__0') > 0);
					assert.equal(true, outputData.indexOf('input__1') > 0);
					
					assert.equal(false, outputData.indexOf('RM_THIS_COMMENT_LINE') > 0);
					assert.equal(false, outputData.indexOf('RM_THIS_COMMENT_BLOCK') > 0);
					
					done();
				} catch (err) {
					done(err);
				}
			});
		});
	});

	describe('aggregate-no-comments', function() {
		this.timeout(10000);
		var outputFile = createTestData(this);
		var assetAssembler = createTestAssembler(this);
		assetAssembler.config.assetHeader = null;
		assetAssembler.config.assetFooter = null;
		assetAssembler.config.assetSeperator = null;
		it('run builder and check output', function (done) {
			assetAssembler.run(function (err) {
				try {
					assert.ok(true);
					assert.equal(true, fs.existsSync(outputFile));
					
					var outputData = ''+fs.readFileSync(outputFile);
					assert.equal(true, outputData.indexOf('input__0') >= 0);
					assert.equal(true, outputData.indexOf('input__1') >= 0);
					
					assert.equal(false, outputData.indexOf('node-ff-assets') > 0);
					assert.equal(false, outputData.indexOf('begin') > 0);
					assert.equal(false, outputData.indexOf('end') > 0);
					assert.equal(false, outputData.indexOf('input0.css') > 0);
					assert.equal(false, outputData.indexOf('input1.css') > 0);
					
					done();
				} catch (err) {
					done(err);
				}
			});
		});
	});
});