diff options
Diffstat (limited to 'activerecord/test/cases')
-rw-r--r-- | activerecord/test/cases/serialized_attribute_test.rb | 28 | ||||
-rw-r--r-- | activerecord/test/cases/tasks/mysql_rake_test.rb | 7 |
2 files changed, 28 insertions, 7 deletions
diff --git a/activerecord/test/cases/serialized_attribute_test.rb b/activerecord/test/cases/serialized_attribute_test.rb index 673392b4c4..e1bdaab5cf 100644 --- a/activerecord/test/cases/serialized_attribute_test.rb +++ b/activerecord/test/cases/serialized_attribute_test.rb @@ -349,4 +349,32 @@ class SerializedAttributeTest < ActiveRecord::TestCase topic.foo refute topic.changed? end + + def test_serialized_attribute_works_under_concurrent_initial_access + model = Topic.dup + + topic = model.last + topic.update group: "1" + + model.serialize :group, JSON + model.reset_column_information + + # This isn't strictly necessary for the test, but a little bit of + # knowledge of internals allows us to make failures far more likely. + model.define_singleton_method(:define_attribute) do |*args| + Thread.pass + super(*args) + end + + threads = 4.times.map do + Thread.new do + topic.reload.group + end + end + + # All the threads should retrieve the value knowing it is JSON, and + # thus decode it. If this fails, some threads will instead see the + # raw string ("1"), or raise an exception. + assert_equal [1] * threads.size, threads.map(&:value) + end end diff --git a/activerecord/test/cases/tasks/mysql_rake_test.rb b/activerecord/test/cases/tasks/mysql_rake_test.rb index 33da3d11fc..c22d974536 100644 --- a/activerecord/test/cases/tasks/mysql_rake_test.rb +++ b/activerecord/test/cases/tasks/mysql_rake_test.rb @@ -294,13 +294,6 @@ if current_adapter?(:Mysql2Adapter) ActiveRecord::Tasks::DatabaseTasks.structure_dump(@configuration, filename) end - def test_structure_dump - filename = "awesome-file.sql" - Kernel.expects(:system).with("mysqldump", "--result-file", filename, "--no-data", "--routines", "--skip-comments", "test-db").returns(true) - - ActiveRecord::Tasks::DatabaseTasks.structure_dump(@configuration, filename) - end - def test_structure_dump_with_extra_flags filename = "awesome-file.sql" expected_command = ["mysqldump", "--result-file", filename, "--no-data", "--routines", "--skip-comments", "--noop", "test-db"] |