diff options
| -rw-r--r-- | activesupport/lib/active_support/cache/strategy/local_cache.rb | 5 | ||||
| -rw-r--r-- | activesupport/test/cache/behaviors/local_cache_behavior.rb | 9 |
2 files changed, 13 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/cache/strategy/local_cache.rb b/activesupport/lib/active_support/cache/strategy/local_cache.rb index 39b32fc7f6..4ca084163b 100644 --- a/activesupport/lib/active_support/cache/strategy/local_cache.rb +++ b/activesupport/lib/active_support/cache/strategy/local_cache.rb @@ -75,7 +75,10 @@ module ActiveSupport end def fetch_entry(key, options = nil) # :nodoc: - @data.fetch(key) { @data[key] = yield } + entry = @data.fetch(key) { @data[key] = yield } + dup_entry = entry.dup + dup_entry&.dup_value! + dup_entry end end diff --git a/activesupport/test/cache/behaviors/local_cache_behavior.rb b/activesupport/test/cache/behaviors/local_cache_behavior.rb index baa38ba6ac..6f5d53c190 100644 --- a/activesupport/test/cache/behaviors/local_cache_behavior.rb +++ b/activesupport/test/cache/behaviors/local_cache_behavior.rb @@ -46,6 +46,15 @@ module LocalCacheBehavior end end + def test_local_cache_of_read_returns_a_copy_of_the_entry + @cache.with_local_cache do + @cache.write(:foo, type: "bar") + value = @cache.read(:foo) + assert_equal("bar", value.delete(:type)) + assert_equal({ type: "bar" }, @cache.read(:foo)) + end + end + def test_local_cache_of_read @cache.write("foo", "bar") @cache.with_local_cache do |