1 files changed, 14 insertions, 6 deletions
diff --git a/railties/test/application/configuration_test.rb b/railties/test/application/configuration_test.rb
index 437b1ded72..5f932f38db 100644
--- a/railties/test/application/configuration_test.rb
+++ b/railties/test/application/configuration_test.rb
@@ -1914,17 +1914,25 @@ module ApplicationTests
       assert_equal true, ActiveSupport::MessageEncryptor.use_authenticated_message_encryption
     end
 
-    test "config.active_support.hash_digest_class is Digest::MD5 by default" do
+    test "ActiveSupport::Digest.hash_digest_class is Digest::SHA1 by default for new apps" do
+      app "development"
+
+      assert_equal Digest::SHA1, ActiveSupport::Digest.hash_digest_class
+    end
+
+    test "ActiveSupport::Digest.hash_digest_class is Digest::MD5 by default for upgraded apps" do
+      remove_from_config '.*config\.load_defaults.*\n'
+
       app "development"
 
       assert_equal Digest::MD5, ActiveSupport::Digest.hash_digest_class
     end
 
-    test "config.active_support.hash_digest_class can be configured" do
-      app_file "config/environments/development.rb", <<-RUBY
-      Rails.application.configure do
-        config.active_support.hash_digest_class = Digest::SHA1
-      end
+    test "ActiveSupport::Digest.hash_digest_class can be configured via config.active_support.use_sha1_digests" do
+      remove_from_config '.*config\.load_defaults.*\n'
+
+      app_file "config/initializers/new_framework_defaults_5_2.rb", <<-RUBY
+      Rails.application.config.active_support.use_sha1_digests = true
       RUBY
 
       app "development"