public void ShouldFailIfFolderDoesNotExist()
{
try
{
var block = FilesEnumerator.GetFilesEnumeratorBlock();
block.Post(new FilesEnumerator.EnumerateFolderTask
{
Folder = "UnexistingFolder",
SearchPattern = "*.txt"
});
block.EnsureCompleted();
Assert.Fail();
}
catch (AggregateException ex)
{
Assert.IsInstanceOfType(ex.GetBaseException(), typeof(DirectoryNotFoundException));
}
}
public void ShouldEnumerateTextFilesInAllSubfolders()
{
var block = FilesEnumerator.GetFilesEnumeratorBlock();
block.Post(new FilesEnumerator.EnumerateFolderTask {
Folder = "TestFolder", SearchPattern = "*.txt"
});
block.Complete();
var files = Enumerable.Repeat(1, 3).Select(_ => block.Receive(TimeSpan.FromMilliseconds(100))).ToList();
block.EnsureCompleted();
Assert.IsTrue(
files.OrderBy(f => f).SequenceEqual(new[]
{
@"TestFolder\Subfolder\TextFile2.txt",
@"TestFolder\Subfolder\TextFile3.txt",
@"TestFolder\TextFile1.txt"
}));
}
public async Task ParseFilesAsync(string folderPath, string searchPattern)
{
var repository = repositoryFactory();
await repository.TruncateDataAsync();
var filesEnumerator = FilesEnumerator.GetFilesEnumeratorBlock();
var fileCreator = FileCreator.GetFileCreatorBlock();
filesEnumerator.LinkToAndPropagateCompleted(fileCreator);
var fileLinesEnumerator = FileLinesEnumerator.GetFileLinesEnumeratorBlock();
fileCreator.LinkToAndPropagateCompleted(fileLinesEnumerator);
var lineSplitter = LineSplitter.GetLineSplitterBlock();
fileLinesEnumerator.LinkToAndPropagateCompleted(lineSplitter);
var fileWordCreator = FileWordCreator.GetFileWordCreatorBlock();
lineSplitter.LinkToAndPropagateCompleted(fileWordCreator);
var fileWordSaver = FileWordSaver.GetFileWordSaverBlock(repositoryFactory);
fileWordCreator.LinkToAndPropagateCompleted(fileWordSaver);
var nullTarget = DataflowBlock.NullTarget <FileWord>();
fileWordSaver.LinkTo(nullTarget);
filesEnumerator.Post(new FilesEnumerator.EnumerateFolderTask
{
Folder = folderPath,
SearchPattern = searchPattern
});
filesEnumerator.Complete();
await fileWordSaver.Completion;
}