Add config option for cookies digest

You can now configure custom digest for cookies in the same way as `serializer`:

config.action_dispatch.cookies_digest = \SHA256'

1 files changed, 17 insertions, 0 deletions

diff --git a/actionpack/test/dispatch/cookies_test.rb b/actionpack/test/dispatch/cookies_test.rb
index 0f145666d1..744143fc2c 100644
--- a/actionpack/test/dispatch/cookies_test.rb
+++ b/actionpack/test/dispatch/cookies_test.rb
@@ -369,6 +369,23 @@ class CookiesTest < ActionController::TestCase
     assert_equal 'Jamie', @controller.send(:cookies).permanent[:user_name]
   end
 
+  def test_signed_cookie_using_default_digest
+    get :set_signed_cookie
+    cookies = @controller.send :cookies
+    assert_not_equal 45, cookies[:user_id]
+    assert_equal 45, cookies.signed[:user_id]
+    assert_equal 'SHA1', cookies.signed.instance_variable_get(:"@verifier").instance_variable_get(:"@digest")
+  end
+
+  def test_signed_cookie_using_custom_digest
+    @request.env["action_dispatch.cookies_digest"] = 'SHA256'
+    get :set_signed_cookie
+    cookies = @controller.send :cookies
+    assert_not_equal 45, cookies[:user_id]
+    assert_equal 45, cookies.signed[:user_id]
+    assert_equal 'SHA256', cookies.signed.instance_variable_get(:"@verifier").instance_variable_get(:"@digest")
+  end
+
   def test_signed_cookie_using_default_serializer
     get :set_signed_cookie
     cookies = @controller.send :cookies