activesupport/test/message_verifier_test.rb


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34

require 'abstract_unit'

begin
  require 'openssl'
  OpenSSL::Digest::SHA1
rescue LoadError, NameError
  $stderr.puts "Skipping MessageVerifier test: broken OpenSSL install"
else

class MessageVerifierTest < Test::Unit::TestCase
  def setup
    @verifier = ActiveSupport::MessageVerifier.new("Hey, I'm a secret!")
    @data = {:some=>"data", :now=>Time.now}
  end

  def test_simple_round_tripping
    message = @verifier.generate(@data)
    assert_equal @data, @verifier.verify(message)
  end

  def test_tampered_data_raises
    data, hash = @verifier.generate(@data).split("--")
    assert_not_verified("#{data.reverse}--#{hash}")
    assert_not_verified("#{data}--#{hash.reverse}")
  end

  def assert_not_verified(message)
    assert_raise(ActiveSupport::MessageVerifier::InvalidSignature) do
      @verifier.verify(message)
    end
  end
end

end