test/models/crypt_test.rb in quo_vadis-2.1.6 vs test/models/crypt_test.rb in quo_vadis-2.1.7

@@ -2,10 +2,17 @@
 
 class CryptTest < ActiveSupport::TestCase
 
   setup do
     @crypt = QuoVadis::Crypt
+
+    @crypt_sha1 = Class.new(QuoVadis::Crypt) do
+      def self.encryptor(salt)
+        key_sha1 = key salt, OpenSSL::Digest::SHA1
+        ActiveSupport::MessageEncryptor.new key_sha1
+      end
+    end
   end
 
   test 'round trip' do
     plaintext = 'the quick brown fox'
     ciphertext = @crypt.encrypt plaintext
@@ -15,8 +22,20 @@
 
   test 'same plaintext encrypts to different ciphertexts' do
     plaintext = 'the quick brown fox'
     ciphertext = @crypt.encrypt plaintext
     refute_equal ciphertext, @crypt.encrypt(plaintext)
+  end
+
+  test 'rotation' do
+    # This test only works if our test Rails contains this commit:
+    # https://github.com/rails/rails/commit/447e28347eb46e2ad5dc625de616152bd1b69a32
+    return unless ActiveSupport::KeyGenerator.respond_to? :hash_digest_class
+
+    plaintext = 'the quick brown fox'
+    # Encrypt with SHA1 digest
+    ciphertext_sha1 = @crypt_sha1.encrypt plaintext
+    # Ensure code can decrypt it.
+    assert_equal plaintext, @crypt.decrypt(ciphertext_sha1)
   end
 
 end