node-version-assets/test/hash.test.js

version your static assets

var test     = require('tap').test,
    async    = require('async'),
    path     = require('path'),
    fs       = require('fs'),
    _        = require('underscore'),
    Stream   = require('stream'),
	// my libs
    Replacer = require('../lib/replace-text'),
    Hash  = require('../lib/hash');


// common test class vars
var fixturesDir = path.join(process.cwd(), 'test-utils/fixtures/'),
	cssDir = fixturesDir + 'css/',
	cssFile = "all-min.css",
	opts = {
		cb: function (err, results) {},
		assets: [cssDir + cssFile, fixturesDir + "js/app.newie.js", fixturesDir +"js/app.oldie.js"],
		grepFiles: [fixturesDir + "index.html"],
		// requireJs: true,
		newVersion: 11111111
	};

test('Hash.run(): shd create md5 hash', function(t) {

	var hashCSS = new Hash({filePath: opts.assets[0]}),
		appendContent = function (callback) {
			fs.appendFile(hashCSS.filePath, 'data to append', callback);
		};

	t.equal(hashCSS.filePath, opts.assets[0], "this.filePath assigned correctly");

	async.series([
		hashCSS.run,
		appendContent,
		hashCSS.run
	], function (err, results) {

		var	newHash = Array.prototype.slice.call(results)[0][0];
		var	originalHash = Array.prototype.slice.call(results)[2][0];

		t.ok(_.isString(originalHash), "first hash has been generated");
		t.ok(_.isString(newHash), "second hash has been generated");
		t.notEqual(originalHash, newHash, "hashes are different after appending content");

		t.end();
		//////////////////////////////////////////////////////////////////////////////////
		// debugging helpers                                                            //
		// it shdn't be this stupidly difficult to get more than 1 arg for async.js!!!! //
		//////////////////////////////////////////////////////////////////////////////////
		// t.equal(JSON.stringify(results), ["newHash"], "hashes are different after appending content");
		// t.equal(JSON.stringify(originalHash), ["newHash"], "hashes are different after appending content");
	})
});