private void ProcessFileEntry(FileEntry fileEntry)
{
//Get rid of any streams that will be empty
if (fileEntry.Filesize == 0)
{
fileEntry.Stream?.Dispose();
fileEntry.Stream = null;
}
//Add to the correct
if (fileEntry.IsDeltaFile())
{
DeltaFile.Add(fileEntry);
return;
}
if (fileEntry.IsNewFile())
{
NewFile.Add(fileEntry);
return;
}
if (fileEntry.DeltaExtension.EndsWith("load"))
{
LoaderFile = fileEntry;
return;
}
SameFile.Add(fileEntry);
}
public void LoadXMLInformation_XmlWithCategory()
{
FileInfo file = new FileInfo(@"..\..\TestFiles\DeltaXML\DeltaHasXmlWithCategory.sql");
DeltaFile deltaFile = new DeltaFile();
deltaFile.LoadXMLInformation(file);
Assert.AreEqual("ThisIsATest", deltaFile.Category);
Assert.AreEqual(false, deltaFile.UseTransaction);
Assert.AreEqual(0, deltaFile.MaySkipCategories.Count);
}
public void LoadXMLInformation_XmlButNoChildNodes()
{
FileInfo file = new FileInfo(@"..\..\TestFiles\DeltaXML\DeltaHasXmlButNoChildNodes.sql");
DeltaFile deltaFile = new DeltaFile();
deltaFile.LoadXMLInformation(file);
Assert.AreEqual(null, deltaFile.Category);
Assert.AreEqual(false, deltaFile.UseTransaction);
Assert.AreEqual(0, deltaFile.MaySkipCategories.Count);
}
/// <summary>
/// Generates a delta stream
/// </summary>
/// <param name="signature">The signature for the stream</param>
/// <param name="filename">The (possibly) altered stream to create the delta for</param>
/// <param name="output">The delta output</param>
public static void GenerateDelta(Stream signature, Stream input, Stream output)
{
ChecksumFileReader checksum;
//Write header into output file
output.Write(RDiffBinary.DELTA_MAGIC, 0, RDiffBinary.DELTA_MAGIC.Length);
checksum = new ChecksumFileReader(signature);
DeltaFile.GenerateDeltaFile(input, output, checksum);
}
public void LoadXMLInformation_FullXmll()
{
FileInfo file = new FileInfo(@"..\..\TestFiles\DeltaXML\DeltaHasFullXml.sql");
DeltaFile deltaFile = new DeltaFile();
deltaFile.LoadXMLInformation(file);
Assert.AreEqual("ThisIsATest", deltaFile.Category);
Assert.AreEqual(true, deltaFile.UseTransaction);
Assert.AreEqual(3, deltaFile.MaySkipCategories.Count);
Assert.AreEqual("z", deltaFile.MaySkipCategories[2]);
}
/// <summary>
/// Loads everything from a <see cref="IAsyncEnumerable{T}"/> into this <see cref="UpdateEntry"/>
/// </summary>
/// <param name="fileEntries">File entries to load in</param>
public async Task LoadAsyncEnumerable(IAsyncEnumerable <FileEntry?> fileEntries)
{
await foreach (var fileEntry in fileEntries)
{
/*If the fileEntry is null then something happened while grabbing*
* the update files, clear out*/
if (fileEntry == null)
{
DeltaFile.Clear();
SameFile.Clear();
NewFile.Clear();
break;
}
ProcessFileEntry(fileEntry);
}
}
/// <summary>
/// Constructs a stream from a basestream and a delta stream
/// </summary>
/// <param name="basefile">The most recent full copy of the file</param>
/// <param name="deltafile">The delta file</param>
/// <param name="outputfile">The restored file</param>
public static void PatchFile(Stream basestream, Stream delta, Stream output)
{
DeltaFile.PatchFile(basestream, output, delta);
}
