private void ReportChangeType(FileListEnum current,
CancellationToken token,
Action <object, WatcherCallbackArgs> Report,
IFileSystemWatcherChangeType changeType)
{
if (token.IsCancellationRequested)
{
throw new OperationCanceledException();
}
foreach (var file in current)
{
Trace.TraceInformation($"Reporting changes in directory: {_settings.ScanDirectory} file: {file} changetype: {changeType}");
Report(this, new WatcherCallbackArgs(file.Key, changeType));
}
}
public WatcherCallbackArgs(string fileName, IFileSystemWatcherChangeType changeType)
{
FileName = fileName;
ChangeType = changeType;
}
void CheckHelper(FilterAndCallbackArgument local, string fileName, ref FileEntry lastEntry, IFileSystemWatcherChangeType ft)
{
local.ActionChanges(this, new WatcherCallbackArgs(fileName, ft));
Assert.True(lastEntry.FileName == fileName && lastEntry.LastChanges == ft);
}
void CreateFileHelper(Func <string, FileStream> createFileBefore, Func <string, FileStream> createFileAfter, IFileSystemWatcherChangeType type)
{
var scanDirectory = GetAndPrepareTempDirectory();
FileStream fileBefore = createFileBefore == null ? null : createFileBefore(scanDirectory);
var m = new ManualScanPhysicalFileSystemWatcher(new ManualScanPhysicalFileSystemWatcherSettings {
ScanDirectory = scanDirectory, ScanSpeedInSeconds = 0
});
ManualResetEvent changeDetected = new ManualResetEvent(false);
ManualResetEvent scanInitialized = new ManualResetEvent(false);
m.Open(new FilterAndCallbackArgument(String.Empty, (object o, WatcherCallbackArgs args) =>
{
if (args.ChangeType == type)
{
changeDetected.Set();
}
},
(object o) =>
{
scanInitialized.Set();
}));
var completedScan = scanInitialized.WaitOne(500);
Assert.True(completedScan);
FileStream file = createFileAfter == null ? null : createFileAfter(scanDirectory);
var completed = changeDetected.WaitOne(500);
Assert.True(completed);
file?.Dispose();
fileBefore?.Dispose();
m.Dispose();
DeleteAndReturnTempDirectoryName();
}