Merge pull request #38810 from kamipo/restore_compatibility_for_looku…

…p_store

Restore the `lookup_store` compatibility to accept config as a single object

activesupport/lib/active_support/cache.rb

@@ -57,6 +57,8 @@ def lookup_store(store = nil, *parameters)
         when Symbol
           options = parameters.extract_options!
           retrieve_store_class(store).new(*parameters, **options)
+        when Array
+          lookup_store(*store)
         when nil
           ActiveSupport::Cache::MemoryStore.new
         else

activesupport/test/cache/cache_store_setting_test.rb

@@ -66,6 +66,14 @@ def test_object_assigned_fragment_cache_store
     assert_equal "/path/to/cache/directory", store.cache_path
   end
 
+  def test_redis_cache_store_with_single_array_object
+    cache_store = [:redis_cache_store, namespace: "foo"]
+
+    store = ActiveSupport::Cache.lookup_store(cache_store)
+    assert_kind_of ActiveSupport::Cache::RedisCacheStore, store
+    assert_equal "foo", store.options[:namespace]
+  end
+
   def test_redis_cache_store_with_ordered_options
     options = ActiveSupport::OrderedOptions.new
     options.update namespace: "foo"