public void CanEnumerateSingleFileCabinet()
{
var cabinetPath = TestData.Get(@"TestData\test.cab");
var cabinet = new Cabinet(cabinetPath);
var files = cabinet.Enumerate();
var file = files.Single();
Assert.Equal("test.txt", file.FileId);
Assert.Equal(17, file.Size);
Assert.Equal(19259, file.Date);
Assert.Equal(47731, file.Time);
Assert.True(file.SameAsDateTime(new DateTime(2017, 9, 28, 0, 19, 38)));
}
public void CanEnumerateSingleFileCabinet()
{
var cabinetPath = TestData.Get(@"TestData\test.cab");
var cabinet = new Cabinet(cabinetPath);
var files = cabinet.Enumerate();
var file = files.Single();
Assert.Equal("test.txt", file.FileId);
Assert.Equal(17, file.Size);
Assert.Equal(19259, file.Date);
Assert.Equal(47731, file.Time);
// TODO: This doesn't seem to always pass, not clear why but it'd be good to understand one day.
// Assert.True(file.SameAsDateTime(new DateTime(2017, 9, 28, 0, 19, 38)));
}
public void IntegrationTest()
{
using (var fs = new DisposableFileSystem())
{
var intermediateFolder = fs.GetFolder(true);
var cabinetPath = Path.Combine(intermediateFolder, "testout.cab");
var extractFolder = fs.GetFolder(true);
// Compress.
{
var files = new[] {
new CabinetCompressFile(TestData.Get(@"TestData\test.txt"), "test1.txt"),
new CabinetCompressFile(TestData.Get(@"TestData\test.txt"), "test2.txt"),
};
var cabinet = new Cabinet(cabinetPath);
cabinet.Compress(files, CompressionLevel.Low);
}
// Extract.
{
var cabinet = new Cabinet(cabinetPath);
var reportedFiles = cabinet.Extract(extractFolder);
Assert.Equal(2, reportedFiles.Count());
}
// Enumerate to compare cabinet to extracted files.
{
var cabinet = new Cabinet(cabinetPath);
var enumerated = cabinet.Enumerate().OrderBy(f => f.FileId).ToArray();
var files = Directory.EnumerateFiles(extractFolder).OrderBy(f => f).ToArray();
for (var i = 0; i < enumerated.Length; ++i)
{
var cabFileInfo = enumerated[i];
var fileInfo = new FileInfo(files[i]);
Assert.Equal(cabFileInfo.FileId, fileInfo.Name);
Assert.Equal(cabFileInfo.Size, fileInfo.Length);
Assert.True(cabFileInfo.SameAsDateTime(fileInfo.CreationTime));
}
}
}
}
public IResolvedCabinet ResolveCabinet(string cabinetPath, IEnumerable <IFileFacade> fileFacades)
{
var filesWithPath = fileFacades.Select(this.CreateBindFileWithPath).ToList();
IResolvedCabinet resolved = null;
foreach (var extension in this.BackendExtensions)
{
resolved = extension.ResolveCabinet(cabinetPath, filesWithPath);
if (null != resolved)
{
return(resolved);
}
}
// By default cabinet should be built and moved to the suggested location.
resolved = this.ServiceProvider.GetService <IResolvedCabinet>();
resolved.BuildOption = CabinetBuildOption.BuildAndMove;
resolved.Path = cabinetPath;
// If a cabinet cache path was provided, change the location for the cabinet
// to be built to and check if there is a cabinet that can be reused.
if (!String.IsNullOrEmpty(this.CabCachePath))
{
var cabinetName = Path.GetFileName(cabinetPath);
resolved.Path = Path.Combine(this.CabCachePath, cabinetName);
if (CheckFileExists(resolved.Path))
{
// Assume that none of the following are true:
// 1. any files are added or removed
// 2. order of files changed or names changed
// 3. modified time changed
var cabinetValid = true;
var cabinet = new Cabinet(resolved.Path);
var fileList = cabinet.Enumerate();
if (filesWithPath.Count() != fileList.Count)
{
cabinetValid = false;
}
else
{
var i = 0;
foreach (var file in filesWithPath)
{
// First check that the file identifiers match because that is quick and easy.
var cabFileInfo = fileList[i];
cabinetValid = (cabFileInfo.FileId == file.Id);
if (cabinetValid)
{
// Still valid so ensure the file sizes are the same.
var fileInfo = new FileInfo(file.Path);
cabinetValid = (cabFileInfo.Size == fileInfo.Length);
if (cabinetValid)
{
// Still valid so ensure the source time stamp hasn't changed.
cabinetValid = cabFileInfo.SameAsDateTime(fileInfo.LastWriteTime);
}
}
if (!cabinetValid)
{
break;
}
i++;
}
}
resolved.BuildOption = cabinetValid ? CabinetBuildOption.Copy : CabinetBuildOption.BuildAndCopy;
}
}
return(resolved);
}