public static void FileSystemWatcher_Recursive()
{
string currentDir = Utility.GetRandomDirectory();
string fileName = Path.GetRandomFileName();
string subDirectory = new DirectoryInfo(currentDir).CreateSubdirectory("sub").FullName;
string fullName = Path.Combine(subDirectory, fileName);
FileSystemState watcher = new FileSystemState(currentDir, options: new EnumerationOptions {
RecurseSubdirectories = true
});
watcher.LoadState();
using (FileStream file = File.Create(fullName)) { }
var changes = watcher.GetChanges();
try
{
Assert.Single(changes);
FileChange change = changes[0];
Assert.Equal(WatcherChangeTypes.Created, change.ChangeType);
Assert.Equal(fileName, change.Name);
Assert.Equal(subDirectory, change.Directory);
}
finally
{
Directory.Delete(currentDir, true);
}
}
public static void FileSystemWatcher_Deleted_File()
{
string currentDir = Utility.GetRandomDirectory();
string fileName = Path.GetRandomFileName();
string fullName = Path.Combine(currentDir, fileName);
FileSystemState watcher = new FileSystemState(currentDir);
using (FileStream file = File.Create(fullName)) { }
watcher.LoadState();
File.Delete(fullName);
var changes = watcher.GetChanges();
try
{
Assert.Single(changes);
FileChange change = changes[0];
Assert.Equal(WatcherChangeTypes.Deleted, change.ChangeType);
Assert.Equal(fileName, change.Name);
Assert.Equal(currentDir, change.Directory);
}
finally
{
Directory.Delete(currentDir, true);
}
}
public void RoundTripVersionReset_Deletion_Test()
{
string currentDir = Utility.GetRandomDirectory();
string fileName = Path.GetRandomFileName();
string fullName = Path.Combine(currentDir, fileName);
using (var file = File.Create(fullName)) { }
FileSystemState state = new FileSystemState(currentDir);
state.LoadState();
FileSystemState state2 = new FileSystemState(currentDir);
RoundTrip(state, state2);
File.Delete(fullName);
try
{
Assert.Single(state.GetChanges());
Assert.Single(state2.GetChanges());
}
finally
{
Directory.Delete(currentDir, true);
}
}
//[Fact]
//public void RoundTripDoesNotAffectOriginalTest()
//{
// string currentDir = Utility.GetRandomDirectory();
// string fileName = Path.GetRandomFileName() + ".txt";
// string fullName = Path.Combine(currentDir, fileName);
// FileSystemState state = new FileSystemState(currentDir, "*.csv");
// FileSystemState state2 = new FileSystemState(currentDir, "*.txt");
// state.LoadState();
// RoundTrip(state, state2);
// using (var file = File.Create(fullName)) { }
// try
// {
// Assert.Empty(state.GetChanges());
// Assert.Single(state2.GetChanges());
// }
// finally
// {
// Directory.Delete(currentDir, true);
// }
//}
//[Fact]
//public void RoundTripVersionReset_NoChanges_Test()
//{
// string currentDir = Utility.GetRandomDirectory();
// string fileName = Path.GetRandomFileName();
// string fullName = Path.Combine(currentDir, fileName);
// using (var file = File.Create(fullName)) { }
// FileSystemState state = new FileSystemState(currentDir);
// state.LoadState();
// state.GetChanges();
// FileSystemState state2 = new FileSystemState(currentDir);
// RoundTrip(state, state2);
// try
// {
// Assert.Empty(state.GetChanges());
// Assert.Empty(state2.GetChanges());
// }
// finally
// {
// Directory.Delete(currentDir, true);
// }
//}
//[Fact]
//public void RoundTripVersionReset_Deletion_Test()
//{
// string currentDir = Utility.GetRandomDirectory();
// string fileName = Path.GetRandomFileName();
// string fullName = Path.Combine(currentDir, fileName);
// using (var file = File.Create(fullName)) { }
// FileSystemState state = new FileSystemState(currentDir);
// state.LoadState();
// FileSystemState state2 = new FileSystemState(currentDir);
// RoundTrip(state, state2);
// File.Delete(fullName);
// try
// {
// Assert.Single(state.GetChanges());
// Assert.Single(state2.GetChanges());
// }
// finally
// {
// Directory.Delete(currentDir, true);
// }
//}
private static void RoundTrip(FileSystemState source, FileSystemState destination)
{
using (MemoryStream stream = new MemoryStream())
{
source.SaveState(stream);
stream.Position = 0;
destination.LoadState(stream);
}
}
public static void FileSystemWatcher_Filter_Ignore()
{
string currentDir = Utility.GetRandomDirectory();
string fileName = $"{Path.GetRandomFileName()}.txt";
string fullName = Path.Combine(currentDir, fileName);
FileSystemState watcher = new FileSystemState(currentDir, filter: "*.csv");
watcher.LoadState();
using (FileStream file = File.Create(fullName)) { }
var changes = watcher.GetChanges();
try
{
Assert.Empty(changes);
}
finally
{
Directory.Delete(currentDir, true);
}
}
public void FileSystemWatcherNoChange()
{
var dir = GetRandomDirectory();
try
{
File.WriteAllText(Path.Combine(dir, "text1.txt"), "Hello");
File.WriteAllText(Path.Combine(dir, "blah.txt"), "Hello");
var watcher = new FileSystemState(dir, options: new EnumerationOptions {
RecurseSubdirectories = true
});
watcher.LoadState();
var q = watcher.GetChanges();
q.Count.ShouldBe(0);
}
finally
{
Directory.Delete(dir, true);
}
}
public static void FileSystemWatcher_Renamed_Directory()
{
string currentDir = Utility.GetRandomDirectory();
string fileName = Path.GetRandomFileName();
string subDir = Path.Combine(currentDir, "subdir");
string fullName = Path.Combine(currentDir, fileName);
string newName = Path.Combine(subDir, fileName);
FileSystemState watcher = new FileSystemState(currentDir, options: new EnumerationOptions()
{
RecurseSubdirectories = true
});
Directory.CreateDirectory(subDir);
using (FileStream file = File.Create(fullName)) { }
watcher.LoadState();
File.Move(fullName, Path.Combine(currentDir, newName));
var changes = watcher.GetChanges();
try
{
Assert.Single(changes);
FileChange change = changes[0];
Assert.Equal(WatcherChangeTypes.Renamed, change.ChangeType);
Assert.Equal(fileName, change.OldName);
Assert.Equal(currentDir, change.OldDirectory);
Assert.Equal(fileName, change.Name);
Assert.Equal(subDir, change.Directory);
}
finally
{
Directory.Delete(subDir, true);
Directory.Delete(currentDir, true);
}
}
public static void FileSystemWatcher_NotRecursive()
{
string currentDir = Utility.GetRandomDirectory();
string fileName = Path.GetRandomFileName();
string subDirectory = new DirectoryInfo(currentDir).CreateSubdirectory("sub").FullName;
string fullName = Path.Combine(subDirectory, fileName);
FileSystemState watcher = new FileSystemState(currentDir, options: new EnumerationOptions {
RecurseSubdirectories = false
});
watcher.LoadState();
using (FileStream file = File.Create(fullName)) { }
var changes = watcher.GetChanges();
try
{
Assert.Empty(changes);
}
finally
{
Directory.Delete(currentDir, true);
}
}
public void RoundTripDoesNotAffectOriginalTest()
{
string currentDir = Utility.GetRandomDirectory();
string fileName = Path.GetRandomFileName() + ".txt";
string fullName = Path.Combine(currentDir, fileName);
FileSystemState state = new FileSystemState(currentDir, "*.csv");
FileSystemState state2 = new FileSystemState(currentDir, "*.txt");
state.LoadState();
RoundTrip(state, state2);
using (var file = File.Create(fullName)) { }
try
{
Assert.Empty(state.GetChanges());
Assert.Single(state2.GetChanges());
}
finally
{
Directory.Delete(currentDir, true);
}
}
