SharpCompress/tests/SharpCompress.Test/GZip/GZipArchiveTests.cs
2022-12-20 15:20:49 +00:00

117 lines
4 KiB
C#

using System;
using System.IO;
using System.Linq;
using SharpCompress.Archives;
using SharpCompress.Archives.GZip;
using Xunit;
namespace SharpCompress.Test.GZip;
public class GZipArchiveTests : ArchiveTests
{
public GZipArchiveTests() => UseExtensionInsteadOfNameToVerify = true;
[Fact]
public void GZip_Archive_Generic()
{
using (Stream stream = File.OpenRead(Path.Combine(TEST_ARCHIVES_PATH, "Tar.tar.gz")))
using (var archive = ArchiveFactory.Open(stream))
{
var entry = archive.Entries.First();
entry.WriteToFile(Path.Combine(SCRATCH_FILES_PATH, entry.Key));
var size = entry.Size;
var scratch = new FileInfo(Path.Combine(SCRATCH_FILES_PATH, "Tar.tar"));
var test = new FileInfo(Path.Combine(TEST_ARCHIVES_PATH, "Tar.tar"));
Assert.Equal(size, scratch.Length);
Assert.Equal(size, test.Length);
}
CompareArchivesByPath(
Path.Combine(SCRATCH_FILES_PATH, "Tar.tar"),
Path.Combine(TEST_ARCHIVES_PATH, "Tar.tar")
);
}
[Fact]
public void GZip_Archive()
{
using (Stream stream = File.OpenRead(Path.Combine(TEST_ARCHIVES_PATH, "Tar.tar.gz")))
using (var archive = GZipArchive.Open(stream))
{
var entry = archive.Entries.First();
entry.WriteToFile(Path.Combine(SCRATCH_FILES_PATH, entry.Key));
var size = entry.Size;
var scratch = new FileInfo(Path.Combine(SCRATCH_FILES_PATH, "Tar.tar"));
var test = new FileInfo(Path.Combine(TEST_ARCHIVES_PATH, "Tar.tar"));
Assert.Equal(size, scratch.Length);
Assert.Equal(size, test.Length);
}
CompareArchivesByPath(
Path.Combine(SCRATCH_FILES_PATH, "Tar.tar"),
Path.Combine(TEST_ARCHIVES_PATH, "Tar.tar")
);
}
[Fact]
public void GZip_Archive_NoAdd()
{
var jpg = Path.Combine(ORIGINAL_FILES_PATH, "jpg", "test.jpg");
using Stream stream = File.OpenRead(Path.Combine(TEST_ARCHIVES_PATH, "Tar.tar.gz"));
using var archive = GZipArchive.Open(stream);
Assert.Throws<InvalidOperationException>(() => archive.AddEntry("jpg\\test.jpg", jpg));
archive.SaveTo(Path.Combine(SCRATCH_FILES_PATH, "Tar.tar.gz"));
}
[Fact]
public void GZip_Archive_Multiple_Reads()
{
var inputStream = new MemoryStream();
using (var fileStream = File.OpenRead(Path.Combine(TEST_ARCHIVES_PATH, "Tar.tar.gz")))
{
fileStream.CopyTo(inputStream);
inputStream.Position = 0;
}
using var archive = GZipArchive.Open(inputStream);
var archiveEntry = archive.Entries.First();
MemoryStream tarStream;
using (var entryStream = archiveEntry.OpenEntryStream())
{
tarStream = new MemoryStream();
entryStream.CopyTo(tarStream);
}
var size = tarStream.Length;
using (var entryStream = archiveEntry.OpenEntryStream())
{
tarStream = new MemoryStream();
entryStream.CopyTo(tarStream);
}
Assert.Equal(size, tarStream.Length);
using (var entryStream = archiveEntry.OpenEntryStream())
{
var result = Archives.Tar.TarArchive.IsTarFile(entryStream);
}
Assert.Equal(size, tarStream.Length);
using (var entryStream = archiveEntry.OpenEntryStream())
{
tarStream = new MemoryStream();
entryStream.CopyTo(tarStream);
}
Assert.Equal(size, tarStream.Length);
}
[Fact]
public void TestGzCrcWithMostSignificaltBitNotNegative()
{
using var stream = File.OpenRead(Path.Combine(TEST_ARCHIVES_PATH, "Tar.tar.gz"));
using var archive = GZipArchive.Open(stream);
//process all entries in solid archive until the one we want to test
foreach (var entry in archive.Entries.Where(entry => !entry.IsDirectory))
{
Assert.InRange(entry.Crc, 0L, 0xFFFFFFFFL);
}
}
}