public void ScanPackageDirectoryReturnsPackageForValidDirectory()
        {
            var pkgDir = Path.Combine(PackagesDirectory, "Custom Rounding");
            var loader = new PackageLoader();
            var pkg = loader.ScanPackageDirectory(pkgDir);

            Assert.IsNotNull(pkg);
            Assert.AreEqual("CAAD_RWTH", pkg.Group);
            Assert.AreEqual("Custom Rounding", pkg.Name);
            Assert.AreEqual("0.1.4", pkg.VersionName);
            Assert.AreEqual("This collection of nodes allows rounding, rounding up and rounding down to a specified precision.", pkg.Description);
            Assert.AreEqual("Round Up To Precision - Rounds a number *up* to a specified precision, Round Down To Precision - " 
                + "Rounds a number *down* to a specified precision, Round To Precision - Rounds a number to a specified precision", pkg.Contents);
            Assert.AreEqual("0.5.2.10107", pkg.EngineVersion);
            pkg.Load();
            Assert.AreEqual(3, pkg.LoadedCustomNodes.Count);
        }
 public void ScanPackageDirectoryReturnsNullForInvalidDirectory()
 {
     var pkgDir = "";
     var loader = new PackageLoader();
     var pkg = loader.ScanPackageDirectory(pkgDir);
 }