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-rw-r--r--railties/test/application/per_request_digest_cache_test.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/railties/test/application/per_request_digest_cache_test.rb b/railties/test/application/per_request_digest_cache_test.rb
index 6c003e9bcc..e9bc91785c 100644
--- a/railties/test/application/per_request_digest_cache_test.rb
+++ b/railties/test/application/per_request_digest_cache_test.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
require "isolation/abstract_unit"
require "rack/test"
require "minitest/mock"
@@ -18,6 +20,10 @@ class PerRequestDigestCacheTest < ActiveSupport::TestCase
class Customer < Struct.new(:name, :id)
extend ActiveModel::Naming
include ActiveModel::Conversion
+
+ def cache_key
+ [ name, id ].join("/")
+ end
end
RUBY