private static IEnumerable <GenreNodeDto> CreateNodeCollection()
{
var root = new GenreNodeDto
{
Id = "1",
Name = "Root"
};
var subRoot = new GenreNodeDto
{
Id = "2",
Name = "Sub root",
ParentId = "1"
};
var leaf = new GenreNodeDto
{
Id = "3",
Name = "leaf",
ParentId = "2"
};
return(new List <GenreNodeDto>
{
root, subRoot, leaf
});
}
private static IEnumerable <GenreNodeDto> GetChildren(GenreNodeDto root, IEnumerable <GenreNodeDto> source)
{
var children = source.Where(g => g.ParentId == root.Id);
foreach (var child in children)
{
child.Children = GetChildren(child, source);
}
return(children);
}
private static IEnumerable <GenreNodeDto> CreateExpectedGenreTree()
{
var leaf = new GenreNodeDto
{
Id = "3",
Name = "leaf",
ParentId = "2",
Children = new List <GenreNodeDto>()
};
var subRoot = new GenreNodeDto
{
Id = "2",
Name = "Sub root",
ParentId = "1",
Children = new List <GenreNodeDto>
{
leaf
}
};
var root = new GenreNodeDto
{
Id = "1",
Name = "Root",
Children = new List <GenreNodeDto>
{
subRoot
}
};
return(new List <GenreNodeDto>
{
root
});
}