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Diffstat (limited to 'activerecord/test/cases/adapters/mysql2/transaction_test.rb')
-rw-r--r-- | activerecord/test/cases/adapters/mysql2/transaction_test.rb | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/mysql2/transaction_test.rb b/activerecord/test/cases/adapters/mysql2/transaction_test.rb index da4b73a0da..cb183cc54c 100644 --- a/activerecord/test/cases/adapters/mysql2/transaction_test.rb +++ b/activerecord/test/cases/adapters/mysql2/transaction_test.rb @@ -116,5 +116,32 @@ module ActiveRecord end end end + + test "raises QueryCanceled when canceling statement due to user request" do + assert_raises(ActiveRecord::QueryCanceled) do + s = Sample.create!(value: 1) + latch = Concurrent::CountDownLatch.new + + thread = Thread.new do + Sample.transaction do + Sample.lock.find(s.id) + latch.count_down + sleep(0.5) + conn = Sample.connection + pid = conn.query_value("SELECT id FROM information_schema.processlist WHERE info LIKE '% FOR UPDATE'") + conn.execute("KILL QUERY #{pid}") + end + end + + begin + Sample.transaction do + latch.wait + Sample.lock.find(s.id) + end + ensure + thread.join + end + end + end end end |