public FileSystemFluentMock Dir(string name)
{
string path = Path.Combine(dirChain.Select(_ => _.Name).ToArray());
var directoryItem = new DirectoryItem(path, name);
UpdateActiveItem(directoryItem);
return this;
}
private void MockDir(DirectoryItem item)
{
directoryMock.Exists(item.FullPath).Returns(true);
var dirFiles = item.Children.OfType<FileItem>().ToList();
List<DirectoryItem> subDirs = item.Children.OfType<DirectoryItem>().ToList();
subDirs.ForEach(MockDir);
dirFiles.ForEach(f=>MockFile(item, f));
List<string> allFiles = dirFiles.Select(f => Path.Combine(item.FullPath, f.Name)).ToList();
directoryMock.EnumerateFiles(item.FullPath).Returns(allFiles);
directoryMock.EnumerateFiles(item.FullPath, Arg.Any<string>())
.Returns
((callInfo)=>
{
var searchPattern = (string)callInfo.Args()[1];
var regex = new Regex(WildcardToRegex(searchPattern));
return allFiles.Where(f => regex.IsMatch(f));
}
);
directoryMock.EnumerateFiles(item.FullPath, Arg.Any<string>(), SearchOption.AllDirectories)
.Returns(c =>
{
var files = new List<string>();
var searchPattern = (string)c.Args()[1];
var regex = new Regex(WildcardToRegex(searchPattern));
GetSubDirs(item).ForEach(sd => files.AddRange(directoryMock.EnumerateFiles(sd.FullPath, searchPattern)
.Where(f => regex.IsMatch(f))));
files.AddRange(allFiles.Where(f => regex.IsMatch(f)));
return files;
});
directoryMock.EnumerateDirectories(item.FullPath).Returns(subDirs.Select(_=>_.FullPath).ToList());
}
private List<DirectoryItem> GetSubDirs(DirectoryItem item)
{
var subDirs = new List<DirectoryItem>();
foreach (DirectoryItem dirItem in item.Children.OfType<DirectoryItem>())
{
subDirs.Add(dirItem);
subDirs.AddRange(GetSubDirs(dirItem));
}
return subDirs;
}
public IFileSystem Build(DirectoryItem root)
{
var fileSystem = Substitute.For<IFileSystem>();
directoryMock = Substitute.For<IDirectory>();
fileMock = Substitute.For<IFile>();
fileSystem.DirectoryWrapper.Returns(directoryMock);
fileSystem.FileWrapper.Returns(fileMock);
MockDir(root);
return fileSystem;
}
private void MockFile(DirectoryItem parent, FileItem fileItem)
{
string filePath = Path.Combine(parent.FullPath, fileItem.Name);
fileMock.Exists(filePath).Returns(true);
fileMock.ReadAllText(filePath).Returns(fileItem.Contents);
}
