class Envirobly::Config

def validate_top_level_keys
  unless @project.is_a?(Hash)
    @errors << "Config doesn't contain a top level hash structure."
    return
  end
  @errors << "Missing `project: <url>` top level attribute." if @project[:project].blank?
  @project.keys.each do |key|
    unless VALID_TOP_LEVEL_KEYS.include?(key)
      @errors << "Top level key `#{key}` is not allowed. Allowed keys: #{VALID_TOP_LEVEL_KEYS.map{ "`#{_1}`" }.join(", ")}."
    end
  end
end