diff options
Diffstat (limited to 'activerecord/test/cases/connection_adapters/connection_handler_test.rb')
-rw-r--r-- | activerecord/test/cases/connection_adapters/connection_handler_test.rb | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/activerecord/test/cases/connection_adapters/connection_handler_test.rb b/activerecord/test/cases/connection_adapters/connection_handler_test.rb index 603ed63a8c..d4b299e330 100644 --- a/activerecord/test/cases/connection_adapters/connection_handler_test.rb +++ b/activerecord/test/cases/connection_adapters/connection_handler_test.rb @@ -171,6 +171,48 @@ module ActiveRecord assert_equal 3, ActiveRecord::Base.connection.select_value("SELECT COUNT(*) FROM people") end + unless in_memory_db? + def test_forked_child_recovers_from_disconnected_parent + object_id = ActiveRecord::Base.connection.object_id + assert ActiveRecord::Base.connection.active? + + rd, wr = IO.pipe + rd.binmode + wr.binmode + + outer_pid = fork { + ActiveRecord::Base.connection.disconnect! + + pid = fork { + rd.close + if ActiveRecord::Base.connection.active? + pair = [ActiveRecord::Base.connection.object_id, + ActiveRecord::Base.connection.select_value("SELECT COUNT(*) FROM people")] + wr.write Marshal.dump pair + end + wr.close + + exit # allow finalizers to run + } + + Process.waitpid pid + } + + wr.close + + Process.waitpid outer_pid + child_id, child_count = Marshal.load(rd.read) + + assert_not_equal object_id, child_id + rd.close + + assert_equal 3, child_count + + # Outer connection is unaffected + assert_equal 6, ActiveRecord::Base.connection.select_value("SELECT 2 * COUNT(*) FROM people") + end + end + def test_retrieve_connection_pool_copies_schema_cache_from_ancestor_pool @pool.schema_cache = @pool.connection.schema_cache @pool.schema_cache.add("posts") |