public void BundleTest()
{
// create bundle
var bundle = CreateBundle();
var bundleFile = new FileInfo(Path.Combine(_temporaryDirectory, Guid.NewGuid().ToString() + ".css.bundle"));
var bundleOutputFile = new System.IO.FileInfo(bundleFile.FullName.Replace(".css.bundle", ".min.css"));
Bundle.Serialize(bundle, bundleFile.FullName);
// move the creation and last write back in time to simulate real world
bundleFile.CreationTimeUtc = DateTime.UtcNow.AddHours(-1);
bundleFile.LastWriteTimeUtc = bundleFile.CreationTimeUtc;
Assert.False(bundleOutputFile.Exists);
// bundle
var bundler = new NUnitBundler();
bundler.Bundle(bundleFile.FullName);
// test to ensure the output file was created
bundleOutputFile.Refresh();
Assert.True(bundleOutputFile.Exists);
var bundleOutputFileLastWriteUtc = bundleOutputFile.LastWriteTimeUtc;
// create a new bundler and do it again
bundler = new NUnitBundler();
bundler.Bundle(bundleFile.FullName);
// test to ensure the output file was created
bundleOutputFile.Refresh();
Assert.True(bundleOutputFile.Exists);
// ensure it hasn't changed since nothing has changed
Assert.AreEqual(bundleOutputFileLastWriteUtc, bundleOutputFile.LastWriteTimeUtc, "The file should not have changed.");
// change the bundle file and do it again
bundle.Includes.RemoveAt(0);
Bundle.Serialize(bundle, bundleFile.FullName);
// create a new bundler and do it again
bundler = new NUnitBundler();
bundler.Bundle(bundleFile.FullName);
// test to ensure the output file was created
bundleOutputFile.Refresh();
Assert.True(bundleOutputFile.Exists);
// ensure the output file HAS changed since we modified the bundle
Assert.Greater(bundleOutputFile.LastWriteTimeUtc, bundleOutputFileLastWriteUtc, "The file should have changed.");
}
