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# frozen_string_literal: true
require "cases/helper"
require "models/course"
require "models/entrant"
module ActiveRecord
class PreparedStatementStatusTest < ActiveRecord::TestCase
def test_prepared_statement_status_is_thread_and_instance_specific
course_conn = Course.connection
entrant_conn = Entrant.connection
inside = Concurrent::Event.new
preventing = Concurrent::Event.new
finished = Concurrent::Event.new
assert_not_same course_conn, entrant_conn
if ActiveRecord::Base.connection.prepared_statements
t1 = Thread.new do
course_conn.unprepared_statement do
inside.set
preventing.wait
assert_not course_conn.prepared_statements
assert entrant_conn.prepared_statements
finished.set
end
end
t2 = Thread.new do
entrant_conn.unprepared_statement do
inside.wait
assert course_conn.prepared_statements
assert_not entrant_conn.prepared_statements
preventing.set
finished.wait
end
end
t1.join
t2.join
else
assert_not course_conn.prepared_statements
assert_not entrant_conn.prepared_statements
end
end
end
end
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