diff options
Diffstat (limited to 'activerecord/test')
| -rw-r--r-- | activerecord/test/cases/counter_cache_test.rb | 9 | ||||
| -rw-r--r-- | activerecord/test/models/car.rb | 2 |
2 files changed, 10 insertions, 1 deletions
diff --git a/activerecord/test/cases/counter_cache_test.rb b/activerecord/test/cases/counter_cache_test.rb index 96a0edea34..1f5055b2a2 100644 --- a/activerecord/test/cases/counter_cache_test.rb +++ b/activerecord/test/cases/counter_cache_test.rb @@ -189,4 +189,13 @@ class CounterCacheTest < ActiveRecord::TestCase assert_equal 2, car.engines_count assert_equal 2, car.reload.engines_count end + + test "counter caches are updated in memory when the default value is nil" do + car = Car.new(engines_count: nil) + car.engines = [Engine.new, Engine.new] + car.save! + + assert_equal 2, car.engines_count + assert_equal 2, car.reload.engines_count + end end diff --git a/activerecord/test/models/car.rb b/activerecord/test/models/car.rb index db0f93f63b..81263b79d1 100644 --- a/activerecord/test/models/car.rb +++ b/activerecord/test/models/car.rb @@ -8,7 +8,7 @@ class Car < ActiveRecord::Base has_one :bulb has_many :tyres - has_many :engines, :dependent => :destroy + has_many :engines, :dependent => :destroy, inverse_of: :my_car has_many :wheels, :as => :wheelable, :dependent => :destroy scope :incl_tyres, -> { includes(:tyres) } |