public void TestExtractPackageWithEmptyPackageDirectory()
        {
            var webClient = new Fakes.FakeWebClient();
              _package = new Package(TestPackageUrl, TestPackageName, webClient);
              string workingDirectory = SetupWorkingDirectory();
              string packageDirectory = Path.Combine(workingDirectory, TestPackageName);
              Directory.CreateDirectory(packageDirectory);

              _package.ExtractPackage(workingDirectory);

              Assert.IsTrue(File.Exists(Path.Combine(workingDirectory, TestPackageName, "fa27b457-2d5f-4ea4-b57d-f05684cba07a.dll")));
              Assert.IsTrue(File.Exists(Path.Combine(workingDirectory, TestPackageName, "Package.xml")));
        }
 private string SetupPackage()
 {
     var webClient = new Fakes.FakeWebClient();
       _package = new Package(TestPackageUrl, TestPackageName, webClient);
       string workingDirectory = SetupWorkingDirectory();
       _package.ExtractPackage(workingDirectory);
       return workingDirectory;
 }