public void HandlesFileCreatedEvent() {
using (var underTest = new CreatedChangedDeletedFileSystemEventHandler(this.queue.Object, this.storage.Object, this.fsFactory.Object)) {
this.fsFactory.Setup(f => f.IsDirectory(this.path)).Returns((bool?)false);
this.fsFactory.AddFile(this.path, true);
underTest.Handle(null, new FileSystemEventArgs(WatcherChangeTypes.Created, Directory, Name));
this.WaitForThreshold();
this.queue.Verify(q => q.AddEvent(It.Is<FSEvent>(e => e.IsDirectory == false && e.Name == Name && e.LocalPath == this.path && e.Type == WatcherChangeTypes.Created)), Times.Once());
this.queue.VerifyThatNoOtherEventIsAddedThan<FSEvent>();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="NetWatcher"/> class.
/// Takes the given file system watcher and listens for events and passes them to the given queue
/// </summary>
/// <param name="watcher">File System Watcher.</param>
/// <param name="queue">Queue for the occured events.</param>
/// <param name="storage">Meta Data Storage to verify, if a deleted object is a file or folder.</param>
/// <param name="fsFactory">File system info factory. If factory is null, the normal file system is used, otherwise the given factory.</param>
public NetWatcher(
FileSystemWatcher watcher,
ISyncEventQueue queue,
IMetaDataStorage storage,
FileSystemInfoFactory fsFactory = null)
{
if (watcher == null)
{
throw new ArgumentNullException("The given fs watcher must not be null");
}
if (string.IsNullOrEmpty(watcher.Path))
{
throw new ArgumentException("The given watcher must contain a path, where it is listening");
}
if (queue == null)
{
throw new ArgumentNullException("The given queue must not be null");
}
if (storage == null)
{
throw new ArgumentNullException("The given storage must not be null");
}
this.fsFactory = fsFactory ?? new FileSystemInfoFactory();
this.queue = queue;
this.storage = storage;
this.fileSystemWatcher = watcher;
this.fileSystemWatcher.IncludeSubdirectories = true;
this.fileSystemWatcher.Filter = "*";
this.fileSystemWatcher.InternalBufferSize = 4 * 1024 * 16;
this.fileSystemWatcher.NotifyFilter = NotifyFilters.Size | NotifyFilters.FileName | NotifyFilters.DirectoryName | NotifyFilters.LastWrite | NotifyFilters.Security;
this.createChangeDeleteHandler = new CreatedChangedDeletedFileSystemEventHandler(this.queue, this.storage, this.fsFactory);
this.renamedHandler = new RenamedFileSystemEventHandler(this.queue, this.fsFactory);
this.fileSystemWatcher.Created += new FileSystemEventHandler(this.createChangeDeleteHandler.Handle);
this.fileSystemWatcher.Deleted += new FileSystemEventHandler(this.createChangeDeleteHandler.Handle);
this.fileSystemWatcher.Changed += new FileSystemEventHandler(this.createChangeDeleteHandler.Handle);
this.fileSystemWatcher.Renamed += new RenamedEventHandler(this.renamedHandler.Handle);
}
public void HandleDirectoryNotFoundExceptionOnExtendedAttributeByJustIgnoringTheEvent() {
using (var underTest = new CreatedChangedDeletedFileSystemEventHandler(this.queue.Object, this.storage.Object, this.fsFactory.Object)) {
this.fsFactory.Setup(f => f.IsDirectory(this.path)).Returns((bool?)true);
var dirInfo = this.fsFactory.AddDirectory(this.path, Guid.Empty, true);
underTest.Handle(null, new FileSystemEventArgs(WatcherChangeTypes.Created, Directory, Name));
dirInfo.Setup(f => f.Uuid).Throws(new DirectoryNotFoundException());
this.WaitForThreshold();
this.queue.Verify(q => q.AddEvent(It.IsAny<ISyncEvent>()), Times.Never);
}
}
public void HandleChangeEventOnNoMoreExistingFileOrFolderByJustPassingTheEvent() {
using (var underTest = new CreatedChangedDeletedFileSystemEventHandler(this.queue.Object, this.storage.Object, this.fsFactory.Object)) {
this.fsFactory.Setup(f => f.IsDirectory(this.path)).Returns((bool?)true);
var dirInfo = this.fsFactory.AddDirectory(this.path, Guid.Empty, true);
underTest.Handle(null, new FileSystemEventArgs(WatcherChangeTypes.Changed, Directory, Name));
dirInfo.Setup(d => d.Exists).Returns(false);
this.WaitForThreshold();
this.queue.Verify(q => q.AddEvent(It.Is<FSEvent>(f => f.IsDirectory == true && f.LocalPath == this.path && f.Name == Name && f.Type == WatcherChangeTypes.Changed)));
this.queue.VerifyThatNoOtherEventIsAddedThan<FSEvent>();
}
}
public void HandleExceptionsOnUuidReadingByJustPassingEmptyUuid() {
using (var underTest = new CreatedChangedDeletedFileSystemEventHandler(this.queue.Object, this.storage.Object, this.fsFactory.Object)) {
this.fsFactory.Setup(f => f.IsDirectory(this.path)).Returns((bool?)false);
var filemock = this.fsFactory.AddFile(this.path, Guid.Empty, true);
filemock.Setup(f => f.Uuid).Throws<ExtendedAttributeException>();
underTest.Handle(null, new FileSystemEventArgs(WatcherChangeTypes.Created, Directory, Name));
this.queue.Verify(q => q.AddEvent(It.IsAny<ISyncEvent>()), Times.Never);
this.WaitForThreshold();
this.queue.Verify(q => q.AddEvent(It.Is<FSEvent>(e => e.IsDirectory == false && e.Name == Name && e.LocalPath == this.path && e.Type == WatcherChangeTypes.Created)), Times.Once());
this.queue.VerifyThatNoOtherEventIsAddedThan<FSEvent>();
}
}
public void HandleExceptionsOnTransformingByInvokingCrawlSync() {
using (var underTest = new CreatedChangedDeletedFileSystemEventHandler(this.queue.Object, this.storage.Object, this.fsFactory.Object)) {
this.fsFactory.Setup(f => f.IsDirectory(this.path)).Returns((bool?)false);
this.fsFactory.AddFile(this.path, Guid.Empty, true);
underTest.Handle(null, new FileSystemEventArgs(WatcherChangeTypes.Created, Directory, Name));
this.queue.Verify(q => q.AddEvent(It.IsAny<ISyncEvent>()), Times.Never());
this.fsFactory.Setup(f => f.CreateDirectoryInfo(It.IsAny<string>())).Throws(new Exception("Generic exception"));
this.fsFactory.Setup(f => f.CreateFileInfo(It.IsAny<string>())).Throws(new Exception("Generic exception"));
this.WaitForThreshold();
this.queue.VerifyThatNoOtherEventIsAddedThan<StartNextSyncEvent>();
this.queue.Verify(q => q.AddEvent(It.Is<StartNextSyncEvent>(e => e.FullSyncRequested == true)));
}
}
public void DoesNotAggregateFolderChangedEventsToFSMovedEvent() {
using (var underTest = new CreatedChangedDeletedFileSystemEventHandler(this.queue.Object, this.storage.Object, this.fsFactory.Object)) {
Guid guid = Guid.NewGuid();
this.fsFactory.Setup(f => f.IsDirectory(this.path)).Returns((bool?)true);
this.fsFactory.AddDirectory(this.path, guid, true);
this.storage.AddLocalFolder(this.path, "id", guid);
underTest.Handle(null, new FileSystemEventArgs(WatcherChangeTypes.Created, Directory, Name));
underTest.Handle(null, new FileSystemEventArgs(WatcherChangeTypes.Changed, Directory, Name));
this.WaitForThreshold();
this.queue.Verify(q => q.AddEvent(It.IsAny<FSMovedEvent>()), Times.Never());
}
}
public void HandleExceptionsOnProcessingByInvokingCrawlSync() {
using (var underTest = new CreatedChangedDeletedFileSystemEventHandler(this.queue.Object, this.storage.Object, this.fsFactory.Object)) {
this.fsFactory.Setup(f => f.IsDirectory(this.path)).Throws(new Exception("Generic exception"));
underTest.Handle(null, new FileSystemEventArgs(WatcherChangeTypes.Created, Directory, Name));
this.queue.Verify(q => q.AddEvent(It.Is<StartNextSyncEvent>(e => e.FullSyncRequested == true)));
this.queue.VerifyThatNoOtherEventIsAddedThan<StartNextSyncEvent>();
this.WaitForThreshold();
this.queue.Verify(q => q.AddEvent(It.Is<StartNextSyncEvent>(e => e.FullSyncRequested == true)));
this.queue.VerifyThatNoOtherEventIsAddedThan<StartNextSyncEvent>();
}
}
public void AggregatesFolderDeletedAndCreatedEventToFSMovedEvent([Values(true, false)]bool ordered) {
using (var underTest = new CreatedChangedDeletedFileSystemEventHandler(this.queue.Object, this.storage.Object, this.fsFactory.Object)) {
string newName = "new";
string oldName = "old";
Guid guid = Guid.NewGuid();
string newPath = Path.Combine(this.path, newName);
string oldPath = Path.Combine(Directory, oldName);
this.fsFactory.Setup(f => f.IsDirectory(newPath)).Returns((bool?)true);
this.fsFactory.AddDirectory(newPath, guid, true);
this.fsFactory.Setup(f => f.CreateFileInfo(oldPath)).Returns(Mock.Of<IFileInfo>(file => file.Exists == false && file.FullName == oldPath));
this.storage.AddLocalFolder(oldPath, "id", guid);
if (ordered) {
underTest.Handle(null, new FileSystemEventArgs(WatcherChangeTypes.Deleted, Directory, oldName));
underTest.Handle(null, new FileSystemEventArgs(WatcherChangeTypes.Created, this.path, newName));
} else {
underTest.Handle(null, new FileSystemEventArgs(WatcherChangeTypes.Created, this.path, newName));
underTest.Handle(null, new FileSystemEventArgs(WatcherChangeTypes.Deleted, Directory, oldName));
}
this.WaitForThreshold();
this.queue.Verify(q => q.AddEvent(It.Is<FSMovedEvent>(e => e.IsDirectory == true && e.Name == newName && e.OldPath == oldPath && e.LocalPath == newPath)), Times.Once());
this.WaitForThreshold();
this.queue.VerifyThatNoOtherEventIsAddedThan<FSMovedEvent>();
}
}
public void IgnoresDeletionOfPathWithNoEntryInStorage() {
using (var underTest = new CreatedChangedDeletedFileSystemEventHandler(this.queue.Object, this.storage.Object, this.fsFactory.Object)) {
underTest.Handle(null, new FileSystemEventArgs(WatcherChangeTypes.Deleted, Directory, Name));
this.queue.Verify(q => q.AddEvent(It.IsAny<ISyncEvent>()), Times.Never());
}
}
public void IgnoresEventOnNonExistingPath() {
using (var underTest = new CreatedChangedDeletedFileSystemEventHandler(this.queue.Object, this.storage.Object, this.fsFactory.Object)) {
this.fsFactory.Setup(f => f.IsDirectory(this.path)).Returns((bool?)null);
underTest.Handle(null, new FileSystemEventArgs(WatcherChangeTypes.Created, Directory, Name));
this.queue.Verify(q => q.AddEvent(It.IsAny<ISyncEvent>()), Times.Never());
}
}
public void HandlesTwoFileDeletedEvent() {
using (var underTest = new CreatedChangedDeletedFileSystemEventHandler(this.queue.Object, this.storage.Object, this.fsFactory.Object, Threshold)) {
this.fsFactory.Setup(f => f.IsDirectory(this.path)).Returns((bool?)null);
var file = this.fsFactory.AddFile(this.path, false);
this.storage.AddLocalFile(file.Object.FullName, "id", Guid.NewGuid());
underTest.Handle(null, new FileSystemEventArgs(WatcherChangeTypes.Deleted, Directory, Name));
underTest.Handle(null, new FileSystemEventArgs(WatcherChangeTypes.Deleted, Directory, Name));
this.queue.Verify(q => q.AddEvent(It.IsAny<ISyncEvent>()), Times.Never);
this.WaitForThreshold();
this.queue.Verify(q => q.AddEvent(It.Is<FSEvent>(e => e.IsDirectory == false && e.LocalPath == this.path && e.Name == Name && e.Type == WatcherChangeTypes.Deleted)), Times.Exactly(2));
this.queue.VerifyThatNoOtherEventIsAddedThan<FSEvent>();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="NetWatcher"/> class.
/// Takes the given file system watcher and listens for events and passes them to the given queue
/// </summary>
/// <param name="watcher">File System Watcher.</param>
/// <param name="queue">Queue for the occured events.</param>
/// <param name="storage">Meta Data Storage to verify, if a deleted object is a file or folder.</param>
/// <param name="fsFactory">File system info factory. If factory is null, the normal file system is used, otherwise the given factory.</param>
public NetWatcher(
FileSystemWatcher watcher,
ISyncEventQueue queue,
IMetaDataStorage storage,
FileSystemInfoFactory fsFactory = null)
{
if (watcher == null) {
throw new ArgumentNullException("watcher");
}
if (string.IsNullOrEmpty(watcher.Path)) {
throw new ArgumentException("The given watcher must contain a path, where it is listening");
}
if (queue == null) {
throw new ArgumentNullException("queue");
}
if (storage == null) {
throw new ArgumentNullException("storage");
}
this.fsFactory = fsFactory ?? new FileSystemInfoFactory();
this.queue = queue;
this.storage = storage;
this.fileSystemWatcher = watcher;
this.fileSystemWatcher.IncludeSubdirectories = true;
this.fileSystemWatcher.Filter = "*";
this.fileSystemWatcher.InternalBufferSize = 4 * 1024 * 16;
this.fileSystemWatcher.NotifyFilter = NotifyFilters.Size | NotifyFilters.FileName | NotifyFilters.DirectoryName | NotifyFilters.LastWrite | NotifyFilters.Security;
this.createChangeDeleteHandler = new CreatedChangedDeletedFileSystemEventHandler(this.queue, this.storage, this.fsFactory);
this.renamedHandler = new RenamedFileSystemEventHandler(this.queue, this.fsFactory);
this.fileSystemWatcher.Created += new FileSystemEventHandler(this.createChangeDeleteHandler.Handle);
this.fileSystemWatcher.Deleted += new FileSystemEventHandler(this.createChangeDeleteHandler.Handle);
this.fileSystemWatcher.Changed += new FileSystemEventHandler(this.createChangeDeleteHandler.Handle);
this.fileSystemWatcher.Renamed += new RenamedEventHandler(this.renamedHandler.Handle);
}