/// <summary>
/// remove the files that are not specified in the list of files to keep
/// </summary>
/// <param name="filesToKeep">the files to be kept</param>
/// <param name="folderToRemoveFrom">folder to remove files from</param>
/// <param name="pattern">file patter to look for eg. *.mp3</param>
/// <param name="whatIf">true to emit all the status updates but not actually perform the deletes, false to do the delete</param>
public void RemoveUnwantedFiles(IEnumerable <IFileInfo> filesToKeep, string folderToRemoveFrom, string pattern, bool whatIf)
{
var removeDirectory = DirectoryInfoProvider.GetDirectoryInfo(folderToRemoveFrom);
if (!removeDirectory.Exists)
{
return;
}
var filesInDirectory = removeDirectory.GetFiles(pattern);
foreach (var file in filesInDirectory)
{
var thisFile = file;
if (!filesToKeep.Any(f => f.Name == thisFile.Name))
{
//we cannot find the file that is in the destination in the source
OnStatusUpdate(string.Format(CultureInfo.InvariantCulture, "Removing: {0}", thisFile.FullName));
if (!whatIf)
{
FileUtilities.FileDelete(thisFile.FullName);
}
}
}
}
protected override void GivenThat()
{
base.GivenThat();
FileUtilities = GenerateMock <IFileUtilities>();
DirectoryInfoProvider = GenerateMock <IDirectoryInfoProvider>();
DirectoryInfo = GenerateMock <IDirectoryInfo>();
FilesInDirectory = new IFileInfo[]
{
GenerateMock <IFileInfo>()
};
FilesInDirectory[0].Stub(f => f.FullName).Return(@"c:\a\b\c\1.mp3");
FilesInDirectory[0].Stub(f => f.Name).Return(@"1.mp3");
FoldersInDirectory = new IDirectoryInfo[]
{
GenerateMock <IDirectoryInfo>()
};
FoldersInDirectory[0].Stub(f => f.FullName).Return(@"c:\a\b\c\d");
DirectoryInfo.Stub(di => di.Exists).Return(true);
DirectoryInfoProvider.Stub(d => d.GetDirectoryInfo(null))
.IgnoreArguments()
.Return(DirectoryInfo);
StatusUpdates = new List <StatusUpdateEventArgs>();
FolderRemover = new UnwantedFolderRemover(DirectoryInfoProvider, FileUtilities);
FolderRemover.StatusUpdate += FileRemoverStatusUpdate;
}
protected override void GivenThat()
{
base.GivenThat();
FileSorter = GenerateMock <ISorter>();
DirectoryInfoProvider = GenerateMock <IDirectoryInfoProvider>();
DirectoryInfo = GenerateMock <IDirectoryInfo>();
FilesInDirectory = new IFileInfo[]
{
GenerateMock <IFileInfo>(),
GenerateMock <IFileInfo>(),
GenerateMock <IFileInfo>()
};
DirectoryInfo.Stub(d => d.GetFiles(null))
.IgnoreArguments()
.Return(FilesInDirectory);
DirectoryInfoProvider.Stub(d => d.GetDirectoryInfo(null))
.IgnoreArguments()
.Return(DirectoryInfo);
FileSorter.Stub(finder => finder.Sort(FilesInDirectory, PodcastFileSortField.FileName, true)).Return(FilesInDirectory);
FileFinder = new Finder(FileSorter, DirectoryInfoProvider);
}
protected override void When()
{
try
{
DirectoryInfoProvider.GetDirectoryInfo(@"mtp:\test device\a\b\c");
}
catch (Exception exception)
{
ThrownException = exception;
}
}
public void ItShouldGetTheDirectoryInfoFromTheProvider()
{
DirectoryInfoProvider.AssertWasCalled(d => d.GetDirectoryInfo(@"c:\blah"));
}
protected override void When()
{
DirectoryInfo = DirectoryInfoProvider.GetDirectoryInfo(@"mtp:\test device\a\b\c");
}
