public async Task OnUnsubscribe_StartAddingFiles_AddOrCancelThenRemoveIndex(int initFilesCount, int newFilesCount)
{
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>();
for (var i = 0; i < newFilesCount; i++)
{
var sequence = new MockSequence();
var file = tmp.CreateFile();
indexer.InSequence(sequence).Setup(x => x.Add(file, It.IsAny <IEnumerable <string> >()));
indexer.InSequence(sequence).Setup(x => x.Remove(file));
newFiles.Add(file);
}
await unsubscribe;
foreach (var file in newFiles)
{
indexer.Verify(x => x.Add(file, It.IsAny <IEnumerable <string> >()), Times.AtMostOnce);
indexer.Verify(x => x.Remove(file, It.IsAny <IEnumerable <string> >()), Times.AtMostOnce);
}
}
