void TestDirectory(IReadOnlyFilesystem fs, string path, Dictionary <string, FileData> children, string testFile)
{
Errno ret = fs.ReadDir(path, out List <string> contents);
Assert.AreEqual(Errno.NoError, ret,
$"Unexpected error {ret} when reading directory \"{path}\" of {testFile}.");
if (children.Count == 0 &&
contents.Count == 0)
{
return;
}
if (path == "/")
{
path = "";
}
List <string> expectedNotFound = new List <string>();
foreach (KeyValuePair <string, FileData> child in children)
{
string childPath = $"{path}/{child.Key}";
ret = fs.Stat(childPath, out FileEntryInfo stat);
if (ret == Errno.NoSuchFile ||
!contents.Contains(child.Key))
{
expectedNotFound.Add(child.Key);
continue;
}
contents.Remove(child.Key);
Assert.AreEqual(Errno.NoError, ret,
$"Unexpected error {ret} retrieving stats for \"{childPath}\" in {testFile}");
stat.Should().BeEquivalentTo(child.Value.Info, $"Wrong info for \"{childPath}\" in {testFile}");
byte[] buffer = new byte[0];
if (child.Value.Info.Attributes.HasFlag(FileAttributes.Directory))
{
ret = fs.Read(childPath, 0, 1, ref buffer);
Assert.AreEqual(Errno.IsDirectory, ret,
$"Got wrong data for directory \"{childPath}\" in {testFile}");
Assert.IsNotNull(child.Value.Children,
$"Contents for \"{childPath}\" in {testFile} must be defined in unit test declaration!");
if (child.Value.Children != null)
{
TestDirectory(fs, childPath, child.Value.Children, testFile);
}
}
else if (child.Value.Info.Attributes.HasFlag(FileAttributes.Symlink))
{
ret = fs.ReadLink(childPath, out string link);
Assert.AreEqual(Errno.NoError, ret,
$"Got wrong data for symbolic link \"{childPath}\" in {testFile}");
Assert.AreEqual(child.Value.LinkTarget, link,
$"Invalid target for symbolic link \"{childPath}\" in {testFile}");
}
else
{
// This ensure the buffer does not hang for collection
TestFile(fs, childPath, child.Value.MD5, child.Value.Info.Length, testFile);
}
ret = fs.ListXAttr(childPath, out List <string> xattrs);
if (ret == Errno.NotSupported)
{
Assert.IsNull(child.Value.XattrsWithMd5,
$"Defined extended attributes for \"{childPath}\" in {testFile} are not supported by filesystem.");
continue;
}
Assert.AreEqual(Errno.NoError, ret,
$"Unexpected error {ret} when listing extended attributes for \"{childPath}\" in {testFile}");
if (xattrs.Count > 0)
{
Assert.IsNotNull(child.Value.XattrsWithMd5,
$"Extended attributes for \"{childPath}\" in {testFile} must be defined in unit test declaration!");
}
if (xattrs.Count > 0 ||
child.Value.XattrsWithMd5?.Count > 0)
{
TestFileXattrs(fs, childPath, child.Value.XattrsWithMd5, testFile);
}
}
Assert.IsEmpty(expectedNotFound,
$"Could not find the children of \"{path}\" in {testFile}: {string.Join(" ", expectedNotFound)}");
Assert.IsEmpty(contents,
$"Found the following unexpected children of \"{path}\" in {testFile}: {string.Join(" ", contents)}");
}