public void GetChainOfJunctions()
{
string targetDirectory = GetFullPath("target");
Directory.CreateDirectory(targetDirectory);
string intermediateJunction = GetFullPath("intermediate.jct");
Directory.CreateDirectory(intermediateJunction);
FileUtilities.CreateJunction(intermediateJunction, targetDirectory);
string sourceJunction = GetFullPath("source.jct");
Directory.CreateDirectory(sourceJunction);
FileUtilities.CreateJunction(sourceJunction, intermediateJunction);
using (SafeFileHandle handle = OpenHandleForReparsePoint(sourceJunction))
{
var chain = new List <string>();
FileUtilities.GetChainOfReparsePoints(handle, sourceJunction, chain);
XAssert.AreEqual(3, chain.Count, "Chain of reparse points: " + string.Join(" -> ", chain));
XAssert.AreEqual(sourceJunction.ToUpperInvariant(), TrimPathPrefix(chain[0].ToUpperInvariant()));
XAssert.AreEqual(intermediateJunction.ToUpperInvariant(), TrimPathPrefix(chain[1].ToUpperInvariant()));
XAssert.AreEqual(targetDirectory.ToUpperInvariant(), TrimPathPrefix(chain[2].ToUpperInvariant()));
}
}
public void TestResolveSymlinkWithDirectorySymlinkOrJunction(bool useJunction, bool oneDotDot)
{
// File and directory layout:
// Enlist
// |
// +---Intermediate
// | \---Current
// | file.lnk ==> ..\..\Target\file.txt (or ..\Target\file.txt)
// |
// +---Source ==> Intermediate\Current
// |
// \---Target
// file.txt
// Create a symlink Enlist/Intermediate/Current/file.lnk --> ../../Target/file.txt (or ../Target/file.txt)
string symlinkFile = GetFullPath(R("Enlist", "Intermediate", "Current", "file.lnk"));
FileUtilities.CreateDirectory(GetFullPath(R("Enlist", "Intermediate", "Current")));
var relativeTarget = oneDotDot ? R("..", "Target", "file.txt") : R("..", "..", "Target", "file.txt");
XAssert.PossiblySucceeded(FileUtilities.TryCreateSymbolicLink(symlinkFile, relativeTarget, isTargetFile: true));
// Create a directory symlink Enlist/Source --> Enlist/Intermediate/Current
string symlinkDirectory = GetFullPath(R("Enlist", "Source"));
if (useJunction)
{
FileUtilities.CreateDirectory(symlinkDirectory);
FileUtilities.CreateJunction(symlinkDirectory, GetFullPath(R("Enlist", "Intermediate", "Current")));
}
else
{
XAssert.PossiblySucceeded(FileUtilities.TryCreateSymbolicLink(symlinkDirectory, R("Intermediate", "Current"), isTargetFile: false));
}
string expectedFinalPath = null;
if (useJunction)
{
expectedFinalPath = oneDotDot ? GetFullPath(R("Enlist", "Target", "file.txt")) : GetFullPath(R("Target", "file.txt"));
}
else
{
expectedFinalPath = oneDotDot ? GetFullPath(R("Enlist", "Intermediate", "Target", "file.txt")) : GetFullPath(R("Enlist", "Target", "file.txt"));
}
// Resolve symlink Enlist/Source/file.lnk by supplying the symlink relative target path (../../Target/file.txt or ../Target/file.txt).
var maybeResult = FileUtilities.ResolveSymlinkTarget(GetFullPath(R("Enlist", "Source", "file.lnk")), relativeTarget);
XAssert.PossiblySucceeded(maybeResult);
XAssert.ArePathEqual(expectedFinalPath, maybeResult.Result);
// Resolve symlink Enlist/Source/file.lnk without supplying the symlink target path
// The result should be Enlist/Target/file.txt
maybeResult = FileUtilities.ResolveSymlinkTarget(GetFullPath(R("Enlist", "Source", "file.lnk")));
XAssert.PossiblySucceeded(maybeResult);
XAssert.ArePathEqual(expectedFinalPath, maybeResult.Result);
}
