public void Visit(FileCopyCommand command)
{
Visit((ICommand)command);
if (Root.TryFindNode(command.FileId, out var node) &&
node is File file)
{
if (Root.TryFindParent(command.FileId, out var parent) &&
parent is Directory parentDirectory)
{
var existingFile = parentDirectory.Children.FirstOrDefault(c => c.Name == command.CopyName);
if (existingFile != null)
{
OnNodeAlreadyExists(command.CopyName, parentDirectory.Id);
}
else
{
var copy = _factory.CreateFile(command.CopyName, file.Size);
parentDirectory.Children.Add(copy);
_timestamp.Increment();
Message = $"ID={copy.Id}";
}
}
else
{
Message = $"File with ID {command.FileId} has no parent.";
}
}
else
{
OnFileDoesNotExist(command.FileId);
}
}
public void itShouldFailIfSourceFileDoesNotExist()
{
var fileSysCommand = new MockFileSystemCommand();
var fakeFileSystem = new FakeFileSystem(fileSysCommand);
var fileToCopy = @"c:\dummysourcefile.txt";
var targetFileCopy = @"c:\somefolder\dummysourcefile.doc";
var fileCopyCommand = new FileCopyCommand(@"c:\dummybackupdir", fileSysCommand, fileToCopy, targetFileCopy);
fileCopyCommand.Do();
Assert.IsFalse(fileCopyCommand.DidCommandSucceed);
Assert.IsFalse(fakeFileSystem.FileExists(targetFileCopy));
}
public void itShouldFailIfFileCopyPairCountIsOdd()
{
var fileSysCommand = new MockFileSystemCommand();
var fakeFileSystem = new FakeFileSystem(fileSysCommand);
var fileToCopy1 = @"c:\dummysourcefile.txt";
var targetFileCopy1 = @"c:\somefolder\dummytargetfile.doc";
var fileToCopy2 = @"c:\dummysourcefile2.txt";
fakeFileSystem.AddFiles(fileToCopy1, fileToCopy2);
var fileCopyCommand = new FileCopyCommand(@"c:\dummybackupdir", fileSysCommand, fileToCopy1, targetFileCopy1, fileToCopy2);
fileCopyCommand.Do();
}
public void itShouldFailIfDestinationFileAlreadyExists()
{
var fileSysCommand = new MockFileSystemCommand();
var fakeFileSystem = new FakeFileSystem(fileSysCommand);
var fileToCopy = @"c:\dummysourcefile.txt";
var targetFileCopy = @"c:\somefolder\dummysourcefile.doc";
fakeFileSystem.AddFiles(fileToCopy);
fakeFileSystem.AddFiles(targetFileCopy);
var fileCopyCommand = new FileCopyCommand(@"c:\dummybackupdir", fileSysCommand, fileToCopy, targetFileCopy);
fileCopyCommand.Do();
Assert.IsFalse(fileCopyCommand.DidCommandSucceed);
}
public void Visit(FileCopyCommand command)
{
if (!TryGetPrefixedPathTo(command.FileId, out var path))
{
return;
}
var directory = Path.GetDirectoryName(path) ?? string.Empty;
var fileData = File.ReadAllBytes(path);
var copyPath = Path.Combine(directory, command.CopyName);
if (!File.Exists(copyPath))
{
File.WriteAllBytes(copyPath, fileData);
}
}
public void itShouldHaveCopiedFileIfSuccessful()
{
var fileSysCommand = new MockFileSystemCommand();
var fakeFileSystem = new FakeFileSystem(fileSysCommand);
var fileToCopy = @"c:\dummysourcefile.txt";
var targetFileCopy = @"c:\somefolder\dummysourcefile.doc";
fakeFileSystem.AddFiles(fileToCopy);
var fileCopyCommand = new FileCopyCommand(@"c:\dummybackupdir", fileSysCommand, fileToCopy, targetFileCopy);
fileCopyCommand.Do();
Assert.IsTrue(fileCopyCommand.DidCommandSucceed);
Assert.IsTrue(fakeFileSystem.FileExists(targetFileCopy));
}
public void itShouldAllowMultipleFileCopyPairs()
{
var fileSysCommand = new MockFileSystemCommand();
var fakeFileSystem = new FakeFileSystem(fileSysCommand);
var fileToCopy1 = @"c:\dummysourcefile.txt";
var targetFileCopy1 = @"c:\somefolder\dummytargetfile.doc";
var fileToCopy2 = @"c:\dummysourcefile2.txt";
var targetFileCopy2 = @"c:\somefolder\dummytargetfile2.doc";
fakeFileSystem.AddFiles(fileToCopy1, fileToCopy2);
var fileCopyCommand = new FileCopyCommand(@"c:\dummybackupdir", fileSysCommand, fileToCopy1, targetFileCopy1, fileToCopy2, targetFileCopy2);
Assert.IsTrue(!fakeFileSystem.FileExists(targetFileCopy1));
Assert.IsTrue(!fakeFileSystem.FileExists(targetFileCopy2));
fileCopyCommand.Do();
Assert.IsTrue(fakeFileSystem.FileExists(targetFileCopy1));
Assert.IsTrue(fakeFileSystem.FileExists(targetFileCopy2));
}
public void CopyFile(string source, string destination)
{
var command = new FileCopyCommand(filesystem, source, destination);
ExecuteOrRecover(command);
}
