private void When_async_appending_to_stream_it_must_raise_events(NotifyFilters filters, [NotNull] string expectedText)
{
// Arrange
const string directoryToWatch = @"c:\some";
const string containerDirectoryName = "Container";
const string fileNameToWrite = "file.txt";
string pathToFileToWrite = Path.Combine(directoryToWatch, containerDirectoryName, fileNameToWrite);
FakeFileSystem fileSystem = new FakeFileSystemBuilder()
.IncludingBinaryFile(pathToFileToWrite, BufferFactory.Create(1024))
.Build();
var buffer = new byte[512];
using (FakeFileSystemWatcher watcher = fileSystem.ConstructFileSystemWatcher(directoryToWatch))
{
watcher.NotifyFilter = filters;
watcher.IncludeSubdirectories = true;
using (var listener = new FileSystemWatcherEventListener(watcher))
{
using (IFileStream stream = fileSystem.File.Open(pathToFileToWrite, FileMode.Open, FileAccess.ReadWrite))
{
stream.Seek(0, SeekOrigin.End);
// Act
Task task = stream.WriteAsync(buffer, 0, buffer.Length);
task.Wait();
}
watcher.FinishAndWaitForFlushed(MaxTestDurationInMilliseconds);
// Assert
string text = string.Join(Environment.NewLine, listener.GetEventsCollectedAsText());
text.Should().Be(expectedText);
}
}
}