diff options
Diffstat (limited to 'activerecord/test/cases/locking_test.rb')
| -rw-r--r-- | activerecord/test/cases/locking_test.rb | 142 |
1 files changed, 120 insertions, 22 deletions
diff --git a/activerecord/test/cases/locking_test.rb b/activerecord/test/cases/locking_test.rb index 3a3b8e51f9..3701be4b11 100644 --- a/activerecord/test/cases/locking_test.rb +++ b/activerecord/test/cases/locking_test.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + require "thread" require "cases/helper" require "models/person" @@ -167,6 +169,12 @@ class OptimisticLockingTest < ActiveRecord::TestCase assert_equal 0, p1.lock_version end + def test_lock_new_when_explicitly_passing_value + p1 = Person.new(first_name: "Douglas Adams", lock_version: 42) + p1.save! + assert_equal 42, p1.lock_version + end + def test_touch_existing_lock p1 = Person.find(1) assert_equal 0, p1.lock_version @@ -186,6 +194,19 @@ class OptimisticLockingTest < ActiveRecord::TestCase end end + def test_explicit_update_lock_column_raise_error + person = Person.find(1) + + assert_raises(ActiveRecord::StaleObjectError) do + person.first_name = "Douglas Adams" + person.lock_version = 42 + + assert person.lock_version_changed? + + person.save + end + end + def test_lock_column_name_existing t1 = LegacyThing.find(1) t2 = LegacyThing.find(1) @@ -225,10 +246,33 @@ class OptimisticLockingTest < ActiveRecord::TestCase assert_equal 0, t1.lock_version_before_type_cast end + def test_touch_existing_lock_without_default_should_work_with_null_in_the_database + ActiveRecord::Base.connection.execute("INSERT INTO lock_without_defaults(title) VALUES('title1')") + t1 = LockWithoutDefault.last + + assert_equal 0, t1.lock_version + assert_nil t1.lock_version_before_type_cast + + t1.touch + + assert_equal 1, t1.lock_version + end + + def test_touch_stale_object_with_lock_without_default + t1 = LockWithoutDefault.create!(title: "title1") + stale_object = LockWithoutDefault.find(t1.id) + + t1.update!(title: "title2") + + assert_raises(ActiveRecord::StaleObjectError) do + stale_object.touch + end + end + def test_lock_without_default_should_work_with_null_in_the_database ActiveRecord::Base.connection.execute("INSERT INTO lock_without_defaults(title) VALUES('title1')") t1 = LockWithoutDefault.last - t2 = LockWithoutDefault.last + t2 = LockWithoutDefault.find(t1.id) assert_equal 0, t1.lock_version assert_nil t1.lock_version_before_type_cast @@ -285,7 +329,7 @@ class OptimisticLockingTest < ActiveRecord::TestCase ActiveRecord::Base.connection.execute("INSERT INTO lock_without_defaults_cust(title) VALUES('title1')") t1 = LockWithCustomColumnWithoutDefault.last - t2 = LockWithCustomColumnWithoutDefault.last + t2 = LockWithCustomColumnWithoutDefault.find(t1.id) assert_equal 0, t1.custom_lock_version assert_nil t1.custom_lock_version_before_type_cast @@ -355,11 +399,43 @@ class OptimisticLockingTest < ActiveRecord::TestCase end end + def test_counter_cache_with_touch_and_lock_version + car = Car.create! + + assert_equal 0, car.wheels_count + assert_equal 0, car.lock_version + + previously_car_updated_at = car.updated_at + travel(2.second) do + Wheel.create!(wheelable: car) + end + + assert_equal 1, car.reload.wheels_count + assert_not_equal previously_car_updated_at, car.updated_at + assert_equal 1, car.lock_version + + previously_car_updated_at = car.updated_at + car.wheels.first.update(size: 42) + + assert_equal 1, car.reload.wheels_count + assert_not_equal previously_car_updated_at, car.updated_at + assert_equal 2, car.lock_version + + previously_car_updated_at = car.updated_at + travel(2.second) do + car.wheels.first.destroy! + end + + assert_equal 0, car.reload.wheels_count + assert_not_equal previously_car_updated_at, car.updated_at + assert_equal 3, car.lock_version + end + def test_polymorphic_destroy_with_dependencies_and_lock_version car = Car.create! assert_difference "car.wheels.count" do - car.wheels << Wheel.create! + car.wheels.create end assert_difference "car.wheels.count", -1 do car.reload.destroy @@ -434,6 +510,31 @@ class OptimisticLockingWithSchemaChangeTest < ActiveRecord::TestCase PersonalLegacyThing.reset_column_information end + def test_destroy_existing_object_with_locking_column_value_null_in_the_database + ActiveRecord::Base.connection.execute("INSERT INTO lock_without_defaults(title) VALUES('title1')") + t1 = LockWithoutDefault.last + + assert_equal 0, t1.lock_version + assert_nil t1.lock_version_before_type_cast + + t1.destroy + + assert t1.destroyed? + end + + def test_destroy_stale_object + t1 = LockWithoutDefault.create!(title: "title1") + stale_object = LockWithoutDefault.find(t1.id) + + t1.update!(title: "title2") + + assert_raises(ActiveRecord::StaleObjectError) do + stale_object.destroy! + end + + refute stale_object.destroyed? + end + private def add_counter_column_to(model, col = "test_count") @@ -496,18 +597,18 @@ unless in_memory_db? end end - # Locking a record reloads it. - def test_sane_lock_method + def test_lock_does_not_raise_when_the_object_is_not_dirty + person = Person.find 1 assert_nothing_raised do - Person.transaction do - person = Person.find 1 - old, person.first_name = person.first_name, "fooman" - # Locking a dirty record is deprecated - assert_deprecated do - person.lock! - end - assert_equal old, person.first_name - end + person.lock! + end + end + + def test_lock_raises_when_the_record_is_dirty + person = Person.find 1 + person.first_name = "fooman" + assert_raises(RuntimeError) do + person.lock! end end @@ -542,14 +643,12 @@ unless in_memory_db? end end - if current_adapter?(:PostgreSQLAdapter, :OracleAdapter) - def test_no_locks_no_wait - first, second = duel { Person.find 1 } - assert first.end > second.end - end - - private + def test_no_locks_no_wait + first, second = duel { Person.find 1 } + assert first.end > second.end + end + private def duel(zzz = 5) t0, t1, t2, t3 = nil, nil, nil, nil @@ -577,6 +676,5 @@ unless in_memory_db? assert t3 > t2 [t0.to_f..t1.to_f, t2.to_f..t3.to_f] end - end end end |