public void ShouldEnumerateLinesOfFile()
{
var block = FileLinesEnumerator.GetFileLinesEnumeratorBlock();
var file = new File {
FullPath = @"TestFolder\TextFile1.txt"
};
block.Post(file);
var line = block.ReceiveWithTimeout();
block.Complete();
block.EnsureCompleted();
Assert.AreSame(file, line.File);
Assert.AreEqual(1, line.Row);
Assert.AreEqual("Мама мыла раму", line.Line);
}
public void ShouldSkipEmptyLinesOfFile()
{
var block = FileLinesEnumerator.GetFileLinesEnumeratorBlock();
var file = new File {
FullPath = @"TestFolder\Subfolder\TextFile2.txt"
};
block.Post(file);
block.ReceiveWithTimeout();
var line = block.ReceiveWithTimeout();
block.ReceiveWithTimeout();
block.Complete();
block.EnsureCompleted();
Assert.AreSame(file, line.File);
Assert.AreEqual(3, line.Row);
Assert.AreEqual("Mother was washing window frame", line.Line);
}
public void ShouldThrowFileNotFoundExceptionWhenFileIsNotFound()
{
var block = FileLinesEnumerator.GetFileLinesEnumeratorBlock();
var file = new File {
FullPath = @"TestFolder\UnkownFile.txt"
};
block.Post(file);
try
{
block.EnsureCompleted();
Assert.Fail();
}
catch (AggregateException ex)
{
Assert.IsInstanceOfType(ex.GetBaseException(), typeof(System.IO.FileNotFoundException));
}
}
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;
}
