require 'common'
require 'net/ssh/transport/hmac/none'

module Transport
  module HMAC
    class TestNone < NetSSHTest
      def test_expected_digest_class
        assert_nil subject.digest_class
        assert_nil subject.new.digest_class
      end

      def test_expected_key_length
        assert_equal 0, subject.key_length
        assert_equal 0, subject.new.key_length
      end

      def test_expected_mac_length
        assert_equal 0, subject.mac_length
        assert_equal 0, subject.new.mac_length
      end

      def test_expected_digest
        hmac = subject.new("1234567890123456")
        assert_equal "", hmac.digest("hello world")
      end

      private

      def subject
        Net::SSH::Transport::HMAC::None
      end
    end
  end
end