public void ZipCacherShouldCache()
{
var cacheKey = Guid.NewGuid().ToString();
var zipFile = Path.Combine(Directory.GetCurrentDirectory(),"validation.zip");
var fa = new ZipCacher(zipFile,cacheKey);
Assert.IsFalse(fa.IsActual());
var sw = new Stopwatch();
sw.Start();
fa.GetContents();
sw.Stop();
var firstRun = sw.ElapsedMilliseconds;
Assert.IsTrue(fa.IsActual());
sw.Restart();
fa.GetContents();
sw.Stop();
var secondRun = sw.ElapsedMilliseconds;
Assert.IsTrue(firstRun > secondRun);
fa = new ZipCacher(zipFile,cacheKey);
Assert.IsTrue(fa.IsActual());
sw.Start();
fa.GetContents();
sw.Stop();
var thirdRun = sw.ElapsedMilliseconds;
Assert.IsTrue(thirdRun < firstRun);
fa.Clear();
Assert.IsFalse(fa.IsActual());
sw.Restart();
fa.GetContents();
sw.Stop();
var fourthRun = sw.ElapsedMilliseconds;
Assert.IsTrue(fourthRun > secondRun);
File.SetLastWriteTime(zipFile, DateTime.Now);
Assert.IsFalse(fa.IsActual());
}
/// <summary>
/// Unpacks zip-files containing the artifact files, and enumerates all (zipped/nonzipped) files.
/// </summary>
/// <remarks>This is an expensive operations and should be run once. As well, it unpacks files on the
/// file system and is not thread-safe.</remarks>
public void Prepare()
{
#if !PORTABLE45
_artifactFiles = new List<string>();
var zips = Directory.GetFiles(_contentDirectory, "*.zip");
// Get the files in each *.zip files present in the content directory
// The ZipCacher will avoid re-extracting these files.
foreach (string zipPath in zips)
{
ZipCacher zc = new ZipCacher(zipPath, CACHE_KEY);
_artifactFiles.AddRange(zc.GetContents());
}
_isPrepared = true;
#else
throw Error.NotImplemented("File based Core artifact source is not supported on the portable runtime");
#endif
}