/// <summary>
/// Runs a test case
/// </summary>
private static void TestOneCase(string[] srcDirectories, string[] srcFiles, string[] destDirectories, string[] destFiles, InputParams inputParams, SyncResults expectedResults)
{
// delete base directories in case they were hanging around from a previous failed test
DeleteTestDirectory(baseDirSrc);
DeleteTestDirectory(baseDirDest);
// create source directories and files specified by test
CreateTestDirectories(baseDirSrc, srcDirectories);
CreateTestFiles(baseDirSrc, null, srcFiles);
// create destination directories and files specified by test
if (destDirectories != null)
{
CreateTestDirectories(baseDirDest, destDirectories);
}
if (destFiles != null)
{
CreateTestFiles(baseDirDest, baseDirSrc, destFiles);
}
// perform the directory sync
SyncResults results = new SyncResults();
results = new Sync(baseDirSrc, baseDirDest).Start(inputParams);
// Assert we have expected results
Assert.IsTrue(SyncTools.CompareTo(expectedResults, results));
// If we are deleting extra files from destination, verify we have exactly the same files as filtered source files
if (inputParams.DeleteFromDest &&
(!(inputParams.DeleteExcludeFiles != null) && !(inputParams.DeleteExcludeDirs != null)))
{
// calc hash of filtered files & directories in source tree
byte[] hashSrc = CalcHash(baseDirSrc, inputParams);
// calc hash of all files & directories in destination tree
byte[] hashDest = CalcHash(baseDirDest, null);
// hashes must match
bool hashesMatch = SyncTools.CompareByteArrays(hashSrc, hashDest);
Assert.IsTrue(hashesMatch);
}
DeleteTestDirectory(baseDirSrc);
DeleteTestDirectory(baseDirDest);
}
/// <summary>
/// Fill a stream with relevant contents of directory tree for hashing. Directory tree is filtered by
/// inputParams if non-null.
/// </summary>
private static void BuildCRCStream(string directory, InputParams inputParams, ref MemoryStream memoryStream)
{
DirectoryInfo directoryInfo = new DirectoryInfo(directory);
SyncResults results = new SyncResults();
// get filtered list of files in this directory
FileInfo[] files = new Sync().GetFiles(directoryInfo, inputParams, ref results);
// sort by name for deterministic order
Array.Sort(files, new FileInfoComparer());
// write information about each file to stream
foreach (FileInfo fileInfo in files)
{
byte[] bytes = ASCIIEncoding.UTF8.GetBytes(fileInfo.Name);
memoryStream.Write(bytes, 0, bytes.Length);
bytes = BitConverter.GetBytes(fileInfo.Length);
memoryStream.Write(bytes, 0, bytes.Length);
bytes = BitConverter.GetBytes(fileInfo.LastWriteTime.ToBinary());
memoryStream.Write(bytes, 0, bytes.Length);
bytes = ASCIIEncoding.UTF8.GetBytes(fileInfo.Attributes.ToString());
memoryStream.Write(bytes, 0, bytes.Length);
}
// get filtered list of subdirectories
DirectoryInfo[] subdirs = new Sync().GetDirectories(directoryInfo, inputParams, ref results);
// sort by name for deterministic order
Array.Sort(subdirs, new DirectoryInfoComparer());
foreach (DirectoryInfo subdir in subdirs)
{
// write information about each subdirectory to stream
byte[] bytes = ASCIIEncoding.UTF8.GetBytes(subdir.Name);
memoryStream.Write(bytes, 0, bytes.Length);
// recurse
BuildCRCStream(Path.Combine(directory, subdir.Name), inputParams, ref memoryStream);
}
}