diff options
Diffstat (limited to 'activerecord/test/cases/adapters/postgresql/connection_test.rb')
-rw-r--r-- | activerecord/test/cases/adapters/postgresql/connection_test.rb | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/connection_test.rb b/activerecord/test/cases/adapters/postgresql/connection_test.rb index 722e2377c1..b12beb91de 100644 --- a/activerecord/test/cases/adapters/postgresql/connection_test.rb +++ b/activerecord/test/cases/adapters/postgresql/connection_test.rb @@ -209,5 +209,47 @@ module ActiveRecord ActiveRecord::Base.establish_connection(orig_connection.deep_merge({:variables => {:debug_print_plan => :default}})) end end + + def test_get_and_release_advisory_lock + key = 5295901941911233559 + list_advisory_locks = <<-SQL + SELECT locktype, + (classid::bigint << 32) | objid::bigint AS lock_key + FROM pg_locks + WHERE locktype = 'advisory' + SQL + + got_lock = @connection.get_advisory_lock(key) + assert got_lock, "get_advisory_lock should have returned true but it didn't" + + advisory_lock = @connection.query(list_advisory_locks).find {|l| l[1] == key} + assert advisory_lock, + "expected to find an advisory lock with key #{key} but there wasn't one" + + released_lock = @connection.release_advisory_lock(key) + assert released_lock, "expected release_advisory_lock to return true but it didn't" + + advisory_locks = @connection.query(list_advisory_locks).select {|l| l[1] == key} + assert_empty advisory_locks, + "expected to have released advisory lock with key #{key} but it was still held" + end + + def test_release_non_existent_advisory_lock + fake_key = 2940075057017742022 + with_warning_suppression do + released_non_existent_lock = @connection.release_advisory_lock(fake_key) + assert_equal released_non_existent_lock, false, + 'expected release_advisory_lock to return false when there was no lock to release' + end + end + + protected + + def with_warning_suppression + log_level = @connection.client_min_messages + @connection.client_min_messages = 'error' + yield + @connection.client_min_messages = log_level + end end end |