class ChefSpec::SoloRunner

def calling_cookbook_root(options, kaller)
  calling_spec = options[:spec_declaration_locations] || kaller.find { |line| line =~ %r{/spec} }
  raise Error::CookbookPathNotFound if calling_spec.nil?
  bits = calling_spec.split(/:[0-9]/, 2).first.split(File::SEPARATOR)
  spec_dir = bits.index("spec") || 0
  File.join(bits.slice(0, spec_dir))
end