diff options
Diffstat (limited to 'activerecord/test/cases/adapters/mysql2')
-rw-r--r-- | activerecord/test/cases/adapters/mysql2/transaction_test.rb | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/mysql2/transaction_test.rb b/activerecord/test/cases/adapters/mysql2/transaction_test.rb new file mode 100644 index 0000000000..0e37c70e5c --- /dev/null +++ b/activerecord/test/cases/adapters/mysql2/transaction_test.rb @@ -0,0 +1,62 @@ +require "cases/helper" +require 'support/connection_helper' + +module ActiveRecord + class Mysql2TransactionTest < ActiveRecord::Mysql2TestCase + self.use_transactional_tests = false + + class Sample < ActiveRecord::Base + self.table_name = 'samples' + end + + setup do + @connection = ActiveRecord::Base.connection + @connection.clear_cache! + + @connection.transaction do + @connection.drop_table 'samples', if_exists: true + @connection.create_table('samples') do |t| + t.integer 'value' + end + end + + Sample.reset_column_information + end + + teardown do + @connection.drop_table 'samples', if_exists: true + end + + test "raises error when a serialization failure occurs" do + assert_raises(ActiveRecord::TransactionSerializationError) do + thread = Thread.new do + Sample.transaction isolation: :serializable do + Sample.delete_all + + 10.times do |i| + sleep 0.1 + + Sample.create value: i + end + end + end + + sleep 0.1 + + Sample.transaction isolation: :serializable do + Sample.delete_all + + 10.times do |i| + sleep 0.1 + + Sample.create value: i + end + + sleep 1 + end + + thread.join + end + end + end +end |