2008-11-25 14:27:54 -05:00
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require 'abstract_unit'
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2009-11-14 14:37:06 -05:00
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require 'active_support/time'
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2008-11-25 14:27:54 -05:00
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class MessageEncryptorTest < Test::Unit::TestCase
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def setup
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@encryptor = ActiveSupport::MessageEncryptor.new(ActiveSupport::SecureRandom.hex(64))
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@data = {:some=>"data", :now=>Time.now}
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end
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def test_simple_round_tripping
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message = @encryptor.encrypt(@data)
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assert_equal @data, @encryptor.decrypt(message)
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end
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def test_encrypting_twice_yields_differing_cipher_text
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first_messqage = @encryptor.encrypt(@data)
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second_message = @encryptor.encrypt(@data)
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assert_not_equal first_messqage, second_message
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end
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def test_messing_with_either_value_causes_failure
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text, iv = @encryptor.encrypt(@data).split("--")
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assert_not_decrypted([iv, text] * "--")
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assert_not_decrypted([text, munge(iv)] * "--")
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assert_not_decrypted([munge(text), iv] * "--")
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assert_not_decrypted([munge(text), munge(iv)] * "--")
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end
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def test_signed_round_tripping
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message = @encryptor.encrypt_and_sign(@data)
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assert_equal @data, @encryptor.decrypt_and_verify(message)
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end
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private
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def assert_not_decrypted(value)
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2009-03-08 16:11:58 -04:00
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assert_raise(ActiveSupport::MessageEncryptor::InvalidMessage) do
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2008-11-25 14:27:54 -05:00
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@encryptor.decrypt(value)
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end
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end
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def munge(base64_string)
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bits = ActiveSupport::Base64.decode64(base64_string)
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bits.reverse!
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ActiveSupport::Base64.encode64s(bits)
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end
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end
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