public static Stream Unpack(Stream compressedStream)
{
CabEngine cabEngine = new CabEngine();
InMemoryUnpackContext unpackContext = new InMemoryUnpackContext(compressedStream);
cabEngine.Unpack(unpackContext, suffix => true);
Stream s = unpackContext.UncompressedStream;
s.Seek(0, SeekOrigin.Begin);
return s;
}
public void CabinetUtfPaths()
{
string[] files = new string[]
{
"어그리먼트送信ポート1ßà_Agreement.txt",
"콘토소ßà_MyProfile.txt",
"파트너1ßà_PartnerProfile.txt",
};
string dirA = "utf8-A";
if (Directory.Exists(dirA)) Directory.Delete(dirA, true);
Directory.CreateDirectory(dirA);
string dirB = "utf8-B";
if (Directory.Exists(dirB)) Directory.Delete(dirB, true);
Directory.CreateDirectory(dirB);
int txtSize = 1024;
CompressionTestUtil.GenerateRandomFile(Path.Combine(dirA, files[0]), 0, txtSize);
CompressionTestUtil.GenerateRandomFile(Path.Combine(dirA, files[1]), 1, txtSize);
CompressionTestUtil.GenerateRandomFile(Path.Combine(dirA, files[2]), 2, txtSize);
ArchiveFileStreamContext streamContextA = new ArchiveFileStreamContext("utf8.cab", dirA, null);
using (CabEngine cabEngine = new CabEngine())
{
cabEngine.Pack(streamContextA, files);
}
ArchiveFileStreamContext streamContextB = new ArchiveFileStreamContext("utf8.cab", dirB, null);
using (CabEngine cex = new CabEngine())
{
cex.Unpack(streamContextB, null);
}
bool directoryMatch = CompressionTestUtil.CompareDirectories(dirA, dirB);
Assert.IsTrue(directoryMatch,
"Testing whether cabinet output directory matches input directory.");
}
public void CabinetOffset()
{
int txtSize = 10240;
CompressionTestUtil.GenerateRandomFile("test.txt", 0, txtSize);
CompressionTestUtil.GenerateRandomFile("base.txt", 1, 2 * txtSize + 4);
ArchiveFileStreamContext streamContext = new ArchiveFileStreamContext("base.txt", null, null);
streamContext.EnableOffsetOpen = true;
using (CabEngine cabEngine = new CabEngine())
{
cabEngine.Pack(streamContext, new string[] { "test.txt" });
}
Assert.IsTrue(new FileInfo("base.txt").Length > 2 * txtSize + 4);
string saveText;
using (Stream txtStream = File.OpenRead("test.txt"))
{
saveText = new StreamReader(txtStream).ReadToEnd();
}
File.Delete("test.txt");
using (CabEngine cex = new CabEngine())
{
cex.Unpack(streamContext, null);
}
string testText;
using (Stream txtStream = File.OpenRead("test.txt"))
{
testText = new StreamReader(txtStream).ReadToEnd();
}
Assert.AreEqual<string>(saveText, testText);
}
public void CabinetExtractUpdate()
{
int fileCount = 5, fileSize = 2048;
string dirA = String.Format("{0}-{1}-A", fileCount, fileSize);
if (Directory.Exists(dirA)) Directory.Delete(dirA, true);
Directory.CreateDirectory(dirA);
string dirB = String.Format("{0}-{1}-B", fileCount, fileSize);
if (Directory.Exists(dirB)) Directory.Delete(dirB, true);
Directory.CreateDirectory(dirB);
string[] files = new string[fileCount];
for (int iFile = 0; iFile < fileCount; iFile++)
{
files[iFile] = "€" + iFile + ".txt";
CompressionTestUtil.GenerateRandomFile(Path.Combine(dirA, files[iFile]), iFile, fileSize);
}
CabInfo cabInfo = new CabInfo("testupdate.cab");
cabInfo.Pack(dirA);
cabInfo.Unpack(dirB);
DateTime originalTime = File.GetLastWriteTime(Path.Combine(dirA, "€1.txt"));
DateTime pastTime = originalTime - new TimeSpan(0, 5, 0);
DateTime futureTime = originalTime + new TimeSpan(0, 5, 0);
using (CabEngine cabEngine = new CabEngine())
{
string cabName = "testupdate.cab";
ArchiveFileStreamContext streamContext = new ArchiveFileStreamContext(cabName, dirB, null);
streamContext.ExtractOnlyNewerFiles = true;
Assert.AreEqual<bool>(true, streamContext.ExtractOnlyNewerFiles);
Assert.IsNotNull(streamContext.ArchiveFiles);
Assert.AreEqual<int>(1, streamContext.ArchiveFiles.Count);
Assert.AreEqual<string>(cabName, streamContext.ArchiveFiles[0]);
Assert.AreEqual<string>(dirB, streamContext.Directory);
File.SetLastWriteTime(Path.Combine(dirB, "€1.txt"), futureTime);
cabEngine.Unpack(streamContext, null);
Assert.IsTrue(File.GetLastWriteTime(Path.Combine(dirB, "€1.txt")) - originalTime > new TimeSpan(0, 4, 55));
File.SetLastWriteTime(Path.Combine(dirB, "€1.txt"), pastTime);
File.SetLastWriteTime(Path.Combine(dirB, "€2.txt"), pastTime);
File.SetAttributes(Path.Combine(dirB, "€2.txt"), FileAttributes.ReadOnly);
File.SetAttributes(Path.Combine(dirB, "€2.txt"), FileAttributes.Hidden);
File.SetAttributes(Path.Combine(dirB, "€2.txt"), FileAttributes.System);
cabEngine.Unpack(streamContext, null);
Assert.IsTrue((File.GetLastWriteTime(Path.Combine(dirB, "€1.txt")) - originalTime).Duration() < new TimeSpan(0, 0, 5));
// Just test the rest of the streamContext properties here.
IDictionary<string, string> testMap = new Dictionary<string, string>();
streamContext = new ArchiveFileStreamContext(cabName, dirB, testMap);
Assert.AreSame(testMap, streamContext.Files);
Assert.IsFalse(streamContext.EnableOffsetOpen);
streamContext.EnableOffsetOpen = true;
Assert.IsTrue(streamContext.EnableOffsetOpen);
streamContext = new ArchiveFileStreamContext(cabName, ".", testMap);
Assert.AreEqual<string>(".", streamContext.Directory);
string[] testArchiveFiles = new string[] { cabName };
streamContext = new ArchiveFileStreamContext(testArchiveFiles, ".", testMap);
Assert.AreSame(testArchiveFiles, streamContext.ArchiveFiles);
}
}
public void CabExtractorExtract()
{
int txtSize = 40960;
CabInfo cabInfo = new CabInfo("test.cab");
CompressionTestUtil.GenerateRandomFile("test0.txt", 0, txtSize);
CompressionTestUtil.GenerateRandomFile("test1.txt", 1, txtSize);
cabInfo.PackFiles(null, new string[] { "test0.txt", "test1.txt" }, null);
using (CabEngine cabEngine = new CabEngine())
{
using (Stream cabStream = File.OpenRead("test.cab"))
{
using (Stream exStream = cabEngine.Unpack(cabStream, "test0.txt"))
{
string str = new StreamReader(exStream).ReadToEnd();
string expected = new StreamReader("test0.txt").ReadToEnd();
Assert.AreEqual<string>(expected, str);
}
cabStream.Seek(0, SeekOrigin.Begin);
using (Stream exStream = cabEngine.Unpack(cabStream, "test1.txt"))
{
string str = new StreamReader(exStream).ReadToEnd();
string expected = new StreamReader("test1.txt").ReadToEnd();
Assert.AreEqual<string>(expected, str);
}
}
using (Stream txtStream = File.OpenRead("test0.txt"))
{
Exception caughtEx = null;
try
{
cabEngine.Unpack(txtStream, "test0.txt");
}
catch (Exception ex) { caughtEx = ex; }
Assert.IsInstanceOfType(caughtEx, typeof(CabException));
Assert.AreEqual<int>(2, ((CabException) caughtEx).Error);
Assert.AreEqual<int>(0, ((CabException) caughtEx).ErrorCode);
Assert.AreEqual<string>("Cabinet file does not have the correct format.", caughtEx.Message);
}
}
}
private IList<ArchiveFileInfo> RunCabinetPackUnpack(int fileCount, long fileSize,
long maxFolderSize, long maxArchiveSize, CompressionLevel compLevel)
{
Console.WriteLine("Creating cabinet with {0} files of size {1}",
fileCount, fileSize);
Console.WriteLine("MaxFolderSize={0}, MaxArchiveSize={1}, CompressionLevel={2}",
maxFolderSize, maxArchiveSize, compLevel);
string dirA = String.Format("{0}-{1}-A", fileCount, fileSize);
if (Directory.Exists(dirA)) Directory.Delete(dirA, true);
Directory.CreateDirectory(dirA);
string dirB = String.Format("{0}-{1}-B", fileCount, fileSize);
if (Directory.Exists(dirB)) Directory.Delete(dirB, true);
Directory.CreateDirectory(dirB);
string[] files = new string[fileCount];
for (int iFile = 0; iFile < fileCount; iFile++)
{
files[iFile] = TEST_FILENAME_PREFIX + iFile + ".txt";
CompressionTestUtil.GenerateRandomFile(Path.Combine(dirA, files[iFile]), iFile, fileSize);
}
string[] archiveNames = new string[100];
for (int i = 0; i < archiveNames.Length; i++)
{
archiveNames[i] = String.Format("{0}-{1}{2}{3}.cab", fileCount, fileSize,
(i == 0 ? "" : "-"), (i == 0 ? "" : i.ToString()));
}
string progressTextFile = String.Format("progress_{0}-{1}.txt", fileCount, fileSize);
CompressionTestUtil testUtil = new CompressionTestUtil(progressTextFile);
IList<ArchiveFileInfo> fileInfo;
using (CabEngine cabEngine = new CabEngine())
{
cabEngine.CompressionLevel = compLevel;
File.AppendAllText(progressTextFile,
"\r\n\r\n====================================================\r\nCREATE\r\n\r\n");
cabEngine.Progress += testUtil.PrintArchiveProgress;
OptionStreamContext streamContext = new OptionStreamContext(archiveNames, dirA, null);
if (maxFolderSize == 1)
{
streamContext.OptionHandler =
delegate(string optionName, object[] parameters)
{
if (optionName == "nextFolder") return true;
return null;
};
}
else if (maxFolderSize > 1)
{
streamContext.OptionHandler =
delegate(string optionName, object[] parameters)
{
if (optionName == "maxFolderSize") return maxFolderSize;
return null;
};
}
cabEngine.Pack(streamContext, files, maxArchiveSize);
IList<string> createdArchiveNames = new List<string>(archiveNames.Length);
for (int i = 0; i < archiveNames.Length; i++)
{
if (File.Exists(archiveNames[i]))
{
createdArchiveNames.Add(archiveNames[i]);
}
else
{
break;
}
}
Console.WriteLine("Listing cabinet with {0} files of size {1}",
fileCount, fileSize);
File.AppendAllText(progressTextFile, "\r\n\r\nLIST\r\n\r\n");
fileInfo = cabEngine.GetFileInfo(
new ArchiveFileStreamContext(createdArchiveNames, null, null), null);
Assert.AreEqual<int>(fileCount, fileInfo.Count);
if (fileCount > 0)
{
int folders = ((CabFileInfo) fileInfo[fileInfo.Count - 1]).CabinetFolderNumber + 1;
if (maxFolderSize == 1)
{
Assert.AreEqual<int>(fileCount, folders);
}
}
Console.WriteLine("Extracting cabinet with {0} files of size {1}",
fileCount, fileSize);
File.AppendAllText(progressTextFile, "\r\n\r\nEXTRACT\r\n\r\n");
cabEngine.Unpack(new ArchiveFileStreamContext(createdArchiveNames, dirB, null), null);
}
bool directoryMatch = CompressionTestUtil.CompareDirectories(dirA, dirB);
Assert.IsTrue(directoryMatch,
"Testing whether cabinet output directory matches input directory.");
return fileInfo;
}