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ZipReaderTests.cs
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ZipReaderTests.cs
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using System;
using System.IO;
using SharpCompress.Common;
using SharpCompress.IO;
using SharpCompress.Readers;
using SharpCompress.Readers.Zip;
using SharpCompress.Test.Mocks;
using SharpCompress.Writers;
using Xunit;
namespace SharpCompress.Test.Zip
{
public class ZipReaderTests : ReaderTests
{
public ZipReaderTests()
{
UseExtensionInsteadOfNameToVerify = true;
}
[Fact]
public void Issue_269_Double_Skip()
{
var path = Path.Combine(TEST_ARCHIVES_PATH, "PrePostHeaders.zip");
using (Stream stream = new ForwardOnlyStream(File.OpenRead(path)))
using (IReader reader = ReaderFactory.Open(stream))
{
int count = 0;
while (reader.MoveToNextEntry())
{
count++;
if (!reader.Entry.IsDirectory)
{
if (count % 2 != 0)
{
reader.WriteEntryTo(Stream.Null);
}
}
}
}
}
[Fact]
public void Zip_Zip64_Streamed_Read()
{
Read("Zip.zip64.zip", CompressionType.Deflate);
}
[Fact]
public void Zip_ZipX_Streamed_Read()
{
Read("Zip.zipx", CompressionType.LZMA);
}
[Fact]
public void Zip_BZip2_Streamed_Read()
{
Read("Zip.bzip2.dd.zip", CompressionType.BZip2);
}
[Fact]
public void Zip_BZip2_Read()
{
Read("Zip.bzip2.zip", CompressionType.BZip2);
}
[Fact]
public void Zip_Deflate_Streamed2_Read()
{
Read("Zip.deflate.dd-.zip", CompressionType.Deflate);
}
[Fact]
public void Zip_Deflate_Streamed_Read()
{
Read("Zip.deflate.dd.zip", CompressionType.Deflate);
}
[Fact]
public void Zip_Deflate_Streamed_Skip()
{
using (Stream stream = new ForwardOnlyStream(File.OpenRead(Path.Combine(TEST_ARCHIVES_PATH, "Zip.deflate.dd.zip"))))
using (IReader reader = ReaderFactory.Open(stream))
{
int x = 0;
while (reader.MoveToNextEntry())
{
if (!reader.Entry.IsDirectory)
{
x++;
if (x % 2 == 0)
{
reader.WriteEntryToDirectory(SCRATCH_FILES_PATH,
new ExtractionOptions()
{
ExtractFullPath = true,
Overwrite = true
});
}
}
}
}
}
[Fact]
public void Zip_Deflate_Read()
{
Read("Zip.deflate.zip", CompressionType.Deflate);
}
[Fact]
public void Zip_Deflate64_Read()
{
Read("Zip.deflate64.zip", CompressionType.Deflate64);
}
[Fact]
public void Zip_LZMA_Streamed_Read()
{
Read("Zip.lzma.dd.zip", CompressionType.LZMA);
}
[Fact]
public void Zip_LZMA_Read()
{
Read("Zip.lzma.zip", CompressionType.LZMA);
}
[Fact]
public void Zip_PPMd_Streamed_Read()
{
Read("Zip.ppmd.dd.zip", CompressionType.PPMd);
}
[Fact]
public void Zip_PPMd_Read()
{
Read("Zip.ppmd.zip", CompressionType.PPMd);
}
[Fact]
public void Zip_None_Read()
{
Read("Zip.none.zip", CompressionType.None);
}
[Fact]
public void Zip_Deflate_NoEmptyDirs_Read()
{
Read("Zip.deflate.noEmptyDirs.zip", CompressionType.Deflate);
}
[Fact]
public void Zip_BZip2_PkwareEncryption_Read()
{
using (Stream stream = File.OpenRead(Path.Combine(TEST_ARCHIVES_PATH, "Zip.bzip2.pkware.zip")))
using (var reader = ZipReader.Open(stream, new ReaderOptions()
{
Password = "test"
}))
{
while (reader.MoveToNextEntry())
{
if (!reader.Entry.IsDirectory)
{
Assert.Equal(CompressionType.BZip2, reader.Entry.CompressionType);
reader.WriteEntryToDirectory(SCRATCH_FILES_PATH, new ExtractionOptions()
{
ExtractFullPath = true,
Overwrite = true
});
}
}
}
VerifyFiles();
}
[Fact]
public void Zip_Reader_Disposal_Test()
{
using (TestStream stream = new TestStream(File.OpenRead(Path.Combine(TEST_ARCHIVES_PATH, "Zip.deflate.dd.zip"))))
{
using (var reader = ReaderFactory.Open(stream))
{
while (reader.MoveToNextEntry())
{
if (!reader.Entry.IsDirectory)
{
reader.WriteEntryToDirectory(SCRATCH_FILES_PATH,
new ExtractionOptions()
{
ExtractFullPath = true,
Overwrite = true
});
}
}
}
Assert.True(stream.IsDisposed);
}
}
[Fact]
public void Zip_Reader_Disposal_Test2()
{
using (TestStream stream = new TestStream(File.OpenRead(Path.Combine(TEST_ARCHIVES_PATH, "Zip.deflate.dd.zip"))))
{
var reader = ReaderFactory.Open(stream);
while (reader.MoveToNextEntry())
{
if (!reader.Entry.IsDirectory)
{
reader.WriteEntryToDirectory(SCRATCH_FILES_PATH,
new ExtractionOptions()
{
ExtractFullPath = true,
Overwrite = true
});
}
}
Assert.False(stream.IsDisposed);
}
}
[Fact]
public void Zip_LZMA_WinzipAES_Read()
{
Assert.Throws<NotSupportedException>(() =>
{
using (
Stream stream =
File.OpenRead(Path.Combine(TEST_ARCHIVES_PATH,
"Zip.lzma.WinzipAES.zip")))
using (var reader = ZipReader.Open(stream, new ReaderOptions()
{
Password = "test"
}))
{
while (reader.MoveToNextEntry())
{
if (!reader.Entry.IsDirectory)
{
Assert.Equal(CompressionType.Unknown, reader.Entry.CompressionType);
reader.WriteEntryToDirectory(SCRATCH_FILES_PATH,
new ExtractionOptions()
{
ExtractFullPath = true,
Overwrite = true
});
}
}
}
VerifyFiles();
});
}
[Fact]
public void Zip_Deflate_WinzipAES_Read()
{
using (Stream stream = File.OpenRead(Path.Combine(TEST_ARCHIVES_PATH, "Zip.deflate.WinzipAES.zip")))
using (var reader = ZipReader.Open(stream, new ReaderOptions()
{
Password = "test"
}))
{
while (reader.MoveToNextEntry())
{
if (!reader.Entry.IsDirectory)
{
Assert.Equal(CompressionType.Unknown, reader.Entry.CompressionType);
reader.WriteEntryToDirectory(SCRATCH_FILES_PATH,
new ExtractionOptions()
{
ExtractFullPath = true,
Overwrite = true
});
}
}
}
VerifyFiles();
}
[Fact]
public void Zip_Deflate_ZipCrypto_Read()
{
int count = 0;
using (Stream stream = File.OpenRead(Path.Combine(TEST_ARCHIVES_PATH, "zipcrypto.zip")))
using (var reader = ZipReader.Open(stream, new ReaderOptions()
{
Password = "test"
}))
{
while (reader.MoveToNextEntry())
{
if (!reader.Entry.IsDirectory)
{
Assert.Equal(CompressionType.None, reader.Entry.CompressionType);
reader.WriteEntryToDirectory(SCRATCH_FILES_PATH,
new ExtractionOptions()
{
ExtractFullPath = true,
Overwrite = true
});
count++;
}
}
}
Assert.Equal(8, count);
}
[Fact]
public void TestSharpCompressWithEmptyStream()
{
var expected = new Tuple<string, byte[]>[]
{
new Tuple<string, byte[]>("foo.txt", new byte[0]),
new Tuple<string, byte[]>("foo2.txt", new byte[10])
};
using (var memory = new MemoryStream())
{
Stream stream = new TestStream(memory, read: true, write: true, seek: false);
using (IWriter zipWriter = WriterFactory.Open(stream, ArchiveType.Zip, CompressionType.Deflate))
{
zipWriter.Write(expected[0].Item1, new MemoryStream(expected[0].Item2));
zipWriter.Write(expected[1].Item1, new MemoryStream(expected[1].Item2));
}
stream = new MemoryStream(memory.ToArray());
File.WriteAllBytes(Path.Combine(SCRATCH_FILES_PATH, "foo.zip"), memory.ToArray());
using (IReader zipReader = ZipReader.Open(new NonDisposingStream(stream, true)))
{
var i = 0;
while (zipReader.MoveToNextEntry())
{
using (EntryStream entry = zipReader.OpenEntryStream())
{
MemoryStream tempStream = new MemoryStream();
const int bufSize = 0x1000;
byte[] buf = new byte[bufSize];
int bytesRead = 0;
while ((bytesRead = entry.Read(buf, 0, bufSize)) > 0)
{
tempStream.Write(buf, 0, bytesRead);
}
Assert.Equal(expected[i].Item1, zipReader.Entry.Key);
Assert.Equal(expected[i].Item2, tempStream.ToArray());
}
i++;
}
}
}
}
[Fact]
public void Zip_None_Issue86_Streamed_Read()
{
var keys = new string[] { "Empty1", "Empty2", "Dir1/", "Dir2/", "Fake1", "Fake2", "Internal.zip" };
using (Stream stream = File.OpenRead(Path.Combine(TEST_ARCHIVES_PATH, "Zip.none.issue86.zip")))
using (var reader = ZipReader.Open(stream))
{
foreach (var key in keys)
{
reader.MoveToNextEntry();
Assert.Equal(reader.Entry.Key, key);
if (!reader.Entry.IsDirectory)
{
Assert.Equal(CompressionType.None, reader.Entry.CompressionType);
}
}
Assert.False(reader.MoveToNextEntry());
}
}
}
}