public void GivenWrongLengthWillNotFixIfTurnedOff()
{
string newFile = DownloadTests.SafePath("testing.test");
var parameters = new LargeFileDownloadParameters(new Uri(Constants.ONE_GIG_FILE_S_SL), newFile, 1, verifyLength: false);
Assert.AreEqual(1, parameters.FileSize);
}
public void SparseFileIsCreatedOnWindows()
{
string newFile = DownloadTests.SafePath("testing.test");
try
{
var timer = new Stopwatch();
timer.Start();
var parameters = new LargeFileDownloadParameters(new Uri(Constants.ONE_GIG_FILE_S_SL), newFile,
Constants.ONE_GIG_FILE_LENGTH);
Stream s = parameters.GetOutputStream();
//write to the end of the file
s.Seek((Constants.ONE_GIG_FILE_LENGTH) - 100, SeekOrigin.Begin);
var encoding = new System.Text.ASCIIEncoding();
Byte[] bytes = encoding.GetBytes("hello");
s.Write(bytes, 0, bytes.Length);
s.Close();
var info = new FileInfo(newFile);
timer.Stop();
//we should've pre-allocated file length
Assert.AreEqual(info.Length, Constants.ONE_GIG_FILE_LENGTH);
Assert.True(timer.ElapsedMilliseconds < 1500); //should happen in less than a second since it's sparse
}
finally
{
File.Delete(newFile);
}
}
public void GivenWrongLengthWillFix()
{
string newFile = DownloadTests.SafePath("testing.test");
var parameters = new LargeFileDownloadParameters(new Uri(Constants.ONE_GIG_FILE_S_SL), newFile, 1);
Assert.AreEqual(Constants.ONE_GIG_FILE_LENGTH, parameters.FileSize);
}
public void DownloadSmallFilesWithNonOptimizedStream(int threadCount)
{
var uri = new Uri(Constants.TWENTY_MEG_FILE);
var path = DownloadTests.SafePath("sites_vcf.gz");
Action <string> logger = (message) => { };
var timer = new Stopwatch();
timer.Start();
var manager = new BufferManager(new[] { new BufferQueueSetting(SimpleHttpGetByRangeClient.BUFFER_SIZE, (uint)threadCount), new BufferQueueSetting(LargeFileDownloadParameters.DEFAULT_MAX_CHUNK_SIZE) });
LargeFileDownloadParameters.EnsureCleanFile(path, true);
using (var stream = new FileStream(path, FileMode.OpenOrCreate))
{
ILargeFileDownloadParameters parameters = new LargeFileDownloadWithStreamParameters(uri, stream,
Constants.TWENTY_MEG_FILE_LENGTH,
maxThreads:
threadCount);
Task task = parameters.DownloadAsync(logger: logger, bufferManager: manager);
task.Wait(TimeSpan.FromMinutes(5));
timer.Stop();
Debug.WriteLine("Took {0} threads {1} ms", threadCount, timer.ElapsedMilliseconds);
//try to open the file
DownloadTests.ValidateGZip(path, parameters.FileSize, Constants.TWENTY_CHECKSUM);
}
}
public void CanReadTheWholeFile()
{
var stream = new SeekableNetworkStream(Constants.TWENTY_MEG_FILE);
byte[] source = new byte[stream.Length];
stream.Read(source, 0, (int)stream.Length);
string tempFile = Path.GetTempFileName();
try
{
File.WriteAllBytes(tempFile, source);
string checkSum = DownloadTests.Md5SumByProcess(tempFile);
Assert.True(checkSum == Constants.TWENTY_CHECKSUM);
}
finally
{
File.Delete(tempFile);
}
}