public async Task AfterUnsubscribe_StartChangingFiles_DoNothing(int initFilesCount, int renamesCount)
{
var searcher = new Mock <ISearcher <string, string> >();
var indexer = new Mock <IIndexer <string, string> >();
var tokenizer = new Mock <ITokenizer <string> >();
var analyzer = new FileAnalyzer(tokenizer.Object, searcher.Object, indexer.Object);
using var tmp = new TempFolder(initFilesCount);
var folder = tmp.FolderPath;
var files = tmp.Files.ToList();
foreach (var file in files)
{
indexer.Setup(x => x.Remove(file));
}
await Task.Run(async() => await analyzer.Subscribe(folder));
SpinWait.SpinUntil(() => !analyzer.IsIndexing);
await Task.Run(async() => await analyzer.Unsubscribe(folder));
SpinWait.SpinUntil(() => !analyzer.IsIndexing);
var newFiles = new List <(string oldFile, string newFile)>();
if (tmp.Files.Any())
{
for (var i = 0; i < renamesCount; i++)
{
var newName = Path.GetRandomFileName();
var newFile = Path.Join(tmp.FolderPath, newName);
var oldFile = tmp.GetRandomFile();
tmp.RenameFile(oldFile, newName);
newFiles.Add((oldFile, newFile));
}
}
foreach (var file in files)
{
indexer.Verify(x => x.Remove(file), Times.Once);
}
foreach (var(oldFile, newFile) in newFiles)
{
indexer.Verify(x => x.Remove(newFile), Times.Never);
indexer.Verify(x => x.Switch(oldFile, newFile), Times.Never);
}
}
public async Task AfterSubscribe_RenameFile_ReIndex(int initCount, int renameCount)
{
var searcher = new Mock <ISearcher <string, string> >();
var tokenizer = new Mock <ITokenizer <string> >();
var indexer = new Mock <IIndexer <string, string> >();
var analyzer = new FileAnalyzer(tokenizer.Object, searcher.Object, indexer.Object);
using var tmp = new TempFolder(initCount);
foreach (var file in tmp.Files)
{
indexer.Setup(x => x.Add(file, It.IsAny <IEnumerable <string> >()));
}
await analyzer.Subscribe(tmp.FolderPath);
indexer.Verify(x => x.Add(It.IsAny <string>(), It.IsAny <IEnumerable <string> >()), Times.Exactly(initCount));
foreach (var file in tmp.Files)
{
indexer.Verify(x => x.Add(file, It.IsAny <IEnumerable <string> >()), Times.Once);
}
var renamed = new List <(string, string)>();
long renames = 0;
for (var i = 0; i < renameCount; i++)
{
var newFile = Path.GetRandomFileName();
var newPath = PathExtensions.NormalizePath(Path.Join(tmp.FolderPath, newFile));
var oldPath = tmp.GetRandomFile();
indexer.Setup(x => x.Switch(oldPath, newPath)).Callback(() => Interlocked.Increment(ref renames));
tmp.RenameFile(oldPath, newFile);
renamed.Add((oldPath, newPath));
}
// Даем время сработать событиям переименования.
SpinWait.SpinUntil(() => Interlocked.Read(ref renames) == renameCount);
indexer.Verify(x => x.Switch(It.IsAny <string>(), It.IsAny <string>()), Times.Exactly(renameCount));
foreach (var(oldPath, newPath) in renamed)
{
indexer.Verify(x => x.Switch(oldPath, newPath), Times.Once);
}
}
public async Task OnUnsubscribe_StartChangingFiles_AddOrCancelThenRemoveIndex(int initFilesCount, int renamesCount)
{
var searcher = new Mock <ISearcher <string, string> >();
var indexer = new Mock <IIndexer <string, string> >(MockBehavior.Strict);
var tokenizer = new Mock <ITokenizer <string> >();
var analyzer = new FileAnalyzer(tokenizer.Object, searcher.Object, indexer.Object);
using var tmp = new TempFolder(initFilesCount);
var folder = tmp.FolderPath;
await Task.Run(async() => await analyzer.Subscribe(folder));
SpinWait.SpinUntil(() => !analyzer.IsIndexing);
var unsubscribe = Task.Run(async() => await analyzer.Unsubscribe(folder));
await Task.Delay(10);
var newFiles = new List <(string oldFile, string newFile)>();
if (tmp.Files.Any())
{
for (var i = 0; i < renamesCount; i++)
{
var sequence = new MockSequence();
var newName = Path.GetRandomFileName();
var newFile = Path.Join(tmp.FolderPath, newName);
var oldFile = tmp.GetRandomFile();
indexer.InSequence(sequence).Setup(x => x.Switch(oldFile, newFile));
indexer.InSequence(sequence).Setup(x => x.Remove(newFile));
tmp.RenameFile(oldFile, newName);
newFiles.Add((oldFile, newFile));
}
}
await unsubscribe;
foreach (var(oldFile, newFile) in newFiles)
{
indexer.Verify(x => x.Switch(oldFile, newFile), Times.AtMostOnce);
indexer.Verify(x => x.Remove(newFile), Times.AtMostOnce);
}
}
