public FilteringTests()
{
_fileSystemInfo = new Mock <FileSystemInfo>();
_delegatesCallCount = 0;
_startPath = "D://";
_visitor = new FileSystemVisitor.FileSystemVisitor(_startPath, (info) => false);
}
public void VisitFiles_NoFiltersRegistered_ReturnsAllEntities()
{
Mock <IFileSystem> fileSystem = SetupFileSystem(10);
IFileSystemVisitor visitor = new FileSystemVisitor.FileSystemVisitor(fileSystem.Object);
var result = visitor.Visit(RootPath);
Assert.AreEqual(10, result.Length);
}
public void VisitFiles_FiltersRegistered_ReturnsZeroEntities()
{
Mock <IFileSystem> fileSystem = SetupFileSystem(10);
IFileSystemVisitor visitor = new FileSystemVisitor.FileSystemVisitor(fileSystem.Object,
info => info.Exists, info => info.Exists);
var result = visitor.Visit(RootPath);
Assert.AreEqual(0, result.Length);
}
public void VisitFiles_FiltersRegistered_ReturnsAllFilteredEntities()
{
Mock <IFileSystem> fileSystem = SetupFileSystem(10);
IFileSystemVisitor visitor = new FileSystemVisitor.FileSystemVisitor(fileSystem.Object,
info => info.FullName.Contains(EntityName), info => info.FullName.Contains(EntityName));
var result = visitor.Visit(RootPath);
Assert.AreEqual(10, result.Length);
}
public void VisitFiles_SubscribeToStartEvent_EventWasCalled()
{
bool eventWasCalled = false;
Mock <IFileSystem> fileSystem = SetupFileSystem(10);
IFileSystemVisitor visitor = new FileSystemVisitor.FileSystemVisitor(fileSystem.Object);
visitor.VisitingStarted += (sender, args) => eventWasCalled = true;
visitor.Visit(RootPath);
Assert.IsTrue(eventWasCalled);
}
public void VisitFiles_AbortVisitingInFileFoundedEvent_VisitingAborted()
{
Mock <IFileSystem> fileSystem = SetupFileSystem(10);
IFileSystemVisitor visitor = new FileSystemVisitor.FileSystemVisitor(fileSystem.Object);
visitor.FileFounded += (sender, args) => throw new VisitingAbortedException();
var result = visitor.Visit(RootPath);
Assert.AreEqual(0, result.Length);
}
public Operation CreateOperation()
{
ILogger logger = new ConsoleLogger();
IFileSystem fileSystem = new FileSystem.FileSystem();
IFileSystemVisitor visitor = new FileSystemVisitor(fileSystem,
info => info.Name.Contains("a"),
info => info.Name.Contains("a"));
Subscriber subscriber = new Subscriber(visitor, logger);
return(new Operation(visitor, logger)
{
Subscriber = subscriber
});
}
public void VisitFiles_SubscribeToFileFoundedEvent_SkipHalfOfElements()
{
var boolValue = false;
Mock <IFileSystem> fileSystem = SetupFileSystem(10);
IFileSystemVisitor visitor = new FileSystemVisitor.FileSystemVisitor(fileSystem.Object);
visitor.FileFounded += (sender, args) =>
{
boolValue = !boolValue;
args.IsSkipVisitedEntity = boolValue;
};
var result = visitor.Visit(RootPath);
Assert.AreEqual(5, result.Length);
}
public void VisitFiles_SetupFilter_SubscribeToFilteredFileFoundedEvent_SkipsHalfOfElementsAndAppliesFilter()
{
var boolValue = false;
var boolValue2 = false;
Mock <IFileSystem> fileSystem = SetupFileSystem(20);
IFileSystemVisitor visitor = new FileSystemVisitor.FileSystemVisitor(fileSystem.Object,
info =>
{
boolValue2 = !boolValue2;
return(boolValue2);
}, info => info.Exists);
visitor.FilteredFileFounded += (sender, args) =>
{
boolValue = !boolValue;
args.IsSkipVisitedEntity = boolValue;
};
var result = visitor.Visit(RootPath);
Assert.AreEqual(5, result.Length);
}
static void Main(string[] args)
{
string startingPoint = "D:\\Терри Пратчетт Собрание сочинений";
var visitor = new FileSystemVisitor(startingPoint, (info) => true);
visitor.Start += (s, e) => { Console.WriteLine("Start iteration"); };
visitor.Finish += (s, e) => { Console.WriteLine("Finish iteration"); };
visitor.FileFinded += (s, e) => { Console.WriteLine("Finded file: " + e.FindedItem.Name); };
visitor.FilteredFileFinded += (s, e) => { Console.WriteLine("Finded filtered file: " + e.FindedItem.Name); };
visitor.DirectoryFinded += (s, e) => { Console.WriteLine("Finded directory: " + e.FindedItem.Name); };
visitor.FilteredDirectoryFinded += (s, e) => { Console.WriteLine("Finded filtered directory: " + e.FindedItem.Name); };
foreach (var fileSysInfo in visitor.GetFileInfoSequence())
{
Console.WriteLine(fileSysInfo);
Console.ReadKey();
}
}
