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author | Rafael França <rafaelmfranca@gmail.com> | 2016-12-29 02:18:38 -0500 |
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committer | GitHub <noreply@github.com> | 2016-12-29 02:18:38 -0500 |
commit | eb6a6141a66e052deb58580448d7c0fa6aa675ba (patch) | |
tree | 0017a57044ec8e466c97cc6b7879d39caa6c1ffa /activerecord/test/cases/adapters/mysql2/transaction_test.rb | |
parent | 447e1a48811fa053e8bef954376d1ad47bdb5cef (diff) | |
parent | fcec126eaa4f835c837bc75efa78008667b2ec5b (diff) | |
download | rails-eb6a6141a66e052deb58580448d7c0fa6aa675ba.tar.gz rails-eb6a6141a66e052deb58580448d7c0fa6aa675ba.tar.bz2 rails-eb6a6141a66e052deb58580448d7c0fa6aa675ba.zip |
Merge branch 'master' into clear_all_environments_log_by_default
Diffstat (limited to 'activerecord/test/cases/adapters/mysql2/transaction_test.rb')
-rw-r--r-- | activerecord/test/cases/adapters/mysql2/transaction_test.rb | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/activerecord/test/cases/adapters/mysql2/transaction_test.rb b/activerecord/test/cases/adapters/mysql2/transaction_test.rb index edd5353ee3..16101e38cb 100644 --- a/activerecord/test/cases/adapters/mysql2/transaction_test.rb +++ b/activerecord/test/cases/adapters/mysql2/transaction_test.rb @@ -10,6 +10,8 @@ module ActiveRecord end setup do + @abort, Thread.abort_on_exception = Thread.abort_on_exception, false + @connection = ActiveRecord::Base.connection @connection.clear_cache! @@ -25,30 +27,34 @@ module ActiveRecord teardown do @connection.drop_table "samples", if_exists: true + + Thread.abort_on_exception = @abort end test "raises Deadlocked when a deadlock is encountered" do assert_raises(ActiveRecord::Deadlocked) do + barrier = Concurrent::CyclicBarrier.new(2) + s1 = Sample.create value: 1 s2 = Sample.create value: 2 thread = Thread.new do Sample.transaction do s1.lock! - sleep 1 + barrier.wait s2.update_attributes value: 1 end end - sleep 0.5 - - Sample.transaction do - s2.lock! - sleep 1 - s1.update_attributes value: 2 + begin + Sample.transaction do + s2.lock! + barrier.wait + s1.update_attributes value: 2 + end + ensure + thread.join end - - thread.join end end end |