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path: root/jni/ruby/test/digest/test_digest.rb
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# $RoughId: test.rb,v 1.4 2001/07/13 15:38:27 knu Exp $
# $Id: test_digest.rb 48213 2014-10-31 13:21:51Z knu $

require 'test/unit'
require 'tempfile'

require 'digest'
%w[digest/md5 digest/rmd160 digest/sha1 digest/sha2 digest/bubblebabble].each do |lib|
  begin
    require lib
  rescue LoadError
  end
end

module TestDigest
  Data1 = "abc"
  Data2 = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"

  def test_s_new
    self.class::DATA.each do |str, hexdigest|
      assert_raise(ArgumentError) { self.class::ALGO.new("") }
    end
  end

  def test_s_hexdigest
    self.class::DATA.each do |str, hexdigest|
      actual = self.class::ALGO.hexdigest(str)
      assert_equal(hexdigest, actual)
      assert_equal(Encoding::US_ASCII, actual.encoding)
    end
  end

  def test_s_base64digest
    self.class::DATA.each do |str, hexdigest|
      digest = [hexdigest].pack("H*")
      actual = self.class::ALGO.base64digest(str)
      assert_equal([digest].pack("m0"), actual)
      assert_equal(Encoding::US_ASCII, actual.encoding)
    end
  end

  def test_s_digest
    self.class::DATA.each do |str, hexdigest|
      digest = [hexdigest].pack("H*")
      actual = self.class::ALGO.digest(str)
      assert_equal(digest, actual)
      assert_equal(Encoding::BINARY, actual.encoding)
    end
  end

  def test_update
    # This test is also for digest() and hexdigest()

    str = "ABC"

    md = self.class::ALGO.new
    md.update str
    assert_equal(self.class::ALGO.hexdigest(str), md.hexdigest)
    assert_equal(self.class::ALGO.digest(str), md.digest)
  end

  def test_eq
    # This test is also for clone()

    md1 = self.class::ALGO.new
    md1 << "ABC"

    assert_equal(md1, md1.clone, self.class::ALGO)

    bug9913 = '[ruby-core:62967] [Bug #9913]'
    assert_not_equal(md1, nil, bug9913)

    md2 = self.class::ALGO.new
    md2 << "A"

    assert_not_equal(md1, md2, self.class::ALGO)

    md2 << "BC"

    assert_equal(md1, md2, self.class::ALGO)
  end

  def test_s_file
    Tempfile.create("test_digest_file", mode: File::BINARY) { |tmpfile|
      str = "hello, world.\r\n"
      tmpfile.print str
      tmpfile.close

      assert_equal self.class::ALGO.new.update(str), self.class::ALGO.file(tmpfile.path)
    }
  end

  def test_instance_eval
    assert_nothing_raised {
      self.class::ALGO.new.instance_eval { update "a" }
    }
  end

  def test_alignment
    md = self.class::ALGO.new
    assert_nothing_raised('#4320') {
      md.update('a' * 97)
      md.update('a' * 97)
      md.hexdigest
    }
  end

  def test_bubblebabble
    expected = "xirek-hasol-fumik-lanax"
    assert_equal expected, Digest.bubblebabble('message')
  end

  def test_bubblebabble_class
    expected = "xopoh-fedac-fenyh-nehon-mopel-nivor-lumiz-rypon-gyfot-cosyz-rimez-lolyv-pekyz-rosud-ricob-surac-toxox"
    assert_equal expected, Digest::SHA256.bubblebabble('message')
  end

  def test_bubblebabble_instance
    expected = "xumor-boceg-dakuz-sulic-gukoz-rutas-mekek-zovud-gunap-vabov-genin-rygyg-sanun-hykac-ruvah-dovah-huxex"

    hash = Digest::SHA256.new
    assert_equal expected, hash.bubblebabble
  end

  class TestMD5 < Test::Unit::TestCase
    include TestDigest
    ALGO = Digest::MD5
    DATA = {
      Data1 => "900150983cd24fb0d6963f7d28e17f72",
      Data2 => "8215ef0796a20bcaaae116d3876c664a",
    }
  end if defined?(Digest::MD5)

  class TestSHA1 < Test::Unit::TestCase
    include TestDigest
    ALGO = Digest::SHA1
    DATA = {
      Data1 => "a9993e364706816aba3e25717850c26c9cd0d89d",
      Data2 => "84983e441c3bd26ebaae4aa1f95129e5e54670f1",
    }
  end if defined?(Digest::SHA1)

  class TestSHA256 < Test::Unit::TestCase
    include TestDigest
    ALGO = Digest::SHA256
    DATA = {
      Data1 => "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
      Data2 => "248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1",
    }
  end if defined?(Digest::SHA256)

  class TestSHA384 < Test::Unit::TestCase
    include TestDigest
    ALGO = Digest::SHA384
    DATA = {
      Data1 => "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7",
      Data2 => "3391fdddfc8dc7393707a65b1b4709397cf8b1d162af05abfe8f450de5f36bc6b0455a8520bc4e6f5fe95b1fe3c8452b",
    }
  end if defined?(Digest::SHA384)

  class TestSHA512 < Test::Unit::TestCase
    include TestDigest
    ALGO = Digest::SHA512
    DATA = {
      Data1 => "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f",
      Data2 => "204a8fc6dda82f0a0ced7beb8e08a41657c16ef468b228a8279be331a703c33596fd15c13b1b07f9aa1d3bea57789ca031ad85c7a71dd70354ec631238ca3445",
    }
  end if defined?(Digest::SHA512)

  class TestSHA2 < Test::Unit::TestCase

  def test_s_file
    Tempfile.create("test_digest_file") { |tmpfile|
      str = Data1
      tmpfile.print str
      tmpfile.close

      assert_equal "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7", Digest::SHA2.file(tmpfile.path, 384).hexdigest
    }
  end

  end if defined?(Digest::SHA2)

  class TestRMD160 < Test::Unit::TestCase
    include TestDigest
    ALGO = Digest::RMD160
    DATA = {
      Data1 => "8eb208f7e05d987a9b044a8e98c6b087f15a0bfc",
      Data2 => "12a053384a9c0c88e405a06c27dcf49ada62eb2b",
    }
  end if defined?(Digest::RMD160)

  class TestBase < Test::Unit::TestCase
    def test_base
      bug3810 = '[ruby-core:32231]'
      assert_raise(NotImplementedError, bug3810) {Digest::Base.new}
    end
  end

  class TestInitCopy < Test::Unit::TestCase
    if defined?(Digest::MD5) and defined?(Digest::RMD160)
      def test_initialize_copy_md5_rmd160
        assert_separately(%w[-rdigest], <<-'end;')
          md5 = Digest::MD5.allocate
          rmd160 = Digest::RMD160.allocate
          assert_raise(TypeError) {md5.__send__(:initialize_copy, rmd160)}
        end;
      end
    end
  end

  class TestDigestParen < Test::Unit::TestCase
    def test_sha2
      assert_separately(%w[-rdigest], <<-'end;')
        assert_nothing_raised {
          Digest(:SHA256).new
          Digest(:SHA384).new
          Digest(:SHA512).new
        }
      end;
    end

    def test_no_lib
      assert_separately(%w[-rdigest], <<-'end;')
        class Digest::Nolib < Digest::Class
        end

        assert_nothing_raised {
          Digest(:Nolib).new
        }
      end;
    end

    def test_no_lib_no_def
      assert_separately(%w[-rdigest], <<-'end;')
        assert_raise(LoadError) {
          Digest(:Nodef).new
        }
      end;
    end

    def test_race
      assert_separately(['-rdigest', "-I#{File.dirname(__FILE__)}"], <<-'end;')
        assert_nothing_raised {
          t = Thread.start {
            sleep 0.1
            Digest(:Foo).new
          }
          Digest(:Foo).new
          t.join
        }
      end;
    end

    def test_race_mixed
      assert_separately(['-rdigest', "-I#{File.dirname(__FILE__)}"], <<-'end;')
        assert_nothing_raised {
          t = Thread.start {
            sleep 0.1
            Digest::Foo.new
          }
          Digest(:Foo).new
          begin
            t.join
          rescue NoMethodError, NameError
            # NoMethodError is highly likely; NameError is listed just in case
          end
        }
      end;
    end
  end
end