module RuboCop::Cop::RSpec::TopLevelGroup

def on_new_investigation
  super
  top_level_groups.each do |node|
    on_top_level_example_group(node) if example_group?(node)
    on_top_level_group(node)
  end
end

def on_top_level_example_group(_node); end

def on_top_level_group(_node); end

def root_node
  processed_source.ast
end

def top_level_group?(node)
  top_level_groups.include?(node)
end

def top_level_groups
  @top_level_groups ||=
    top_level_nodes(root_node).select { |n| spec_group?(n) }
end

def top_level_nodes(node)
  return [] if node.nil?
  case node.type
  when :begin
    node.children
  when :module, :class
    top_level_nodes(node.body)
  else
    [node]
  end
end