diff options
Diffstat (limited to 'activerecord/test/cases/adapters/postgresql/connection_test.rb')
| -rw-r--r-- | activerecord/test/cases/adapters/postgresql/connection_test.rb | 110 |
1 files changed, 75 insertions, 35 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/connection_test.rb b/activerecord/test/cases/adapters/postgresql/connection_test.rb index 90cca7d3e6..ab7fd3c6d5 100644 --- a/activerecord/test/cases/adapters/postgresql/connection_test.rb +++ b/activerecord/test/cases/adapters/postgresql/connection_test.rb @@ -1,22 +1,35 @@ require "cases/helper" +require 'support/connection_helper' module ActiveRecord class PostgresqlConnectionTest < ActiveRecord::TestCase + include ConnectionHelper + class NonExistentTable < ActiveRecord::Base end + fixtures :comments + def setup super @subscriber = SQLSubscriber.new - ActiveSupport::Notifications.subscribe('sql.active_record', @subscriber) + @subscription = ActiveSupport::Notifications.subscribe('sql.active_record', @subscriber) @connection = ActiveRecord::Base.connection end def teardown - ActiveSupport::Notifications.unsubscribe(@subscriber) + ActiveSupport::Notifications.unsubscribe(@subscription) super end + def test_truncate + count = ActiveRecord::Base.connection.execute("select count(*) from comments").first['count'].to_i + assert_operator count, :>, 0 + ActiveRecord::Base.connection.truncate("comments") + count = ActiveRecord::Base.connection.execute("select count(*) from comments").first['count'].to_i + assert_equal 0, count + end + def test_encoding assert_not_nil @connection.encoding end @@ -45,6 +58,37 @@ module ActiveRecord assert_equal 'off', expect end + def test_reset + @connection.query('ROLLBACK') + @connection.query('SET geqo TO off') + + # Verify the setting has been applied. + expect = @connection.query('show geqo').first.first + assert_equal 'off', expect + + @connection.reset! + + # Verify the setting has been cleared. + expect = @connection.query('show geqo').first.first + assert_equal 'on', expect + end + + def test_reset_with_transaction + @connection.query('ROLLBACK') + @connection.query('SET geqo TO off') + + # Verify the setting has been applied. + expect = @connection.query('show geqo').first.first + assert_equal 'off', expect + + @connection.query('BEGIN') + @connection.reset! + + # Verify the setting has been cleared. + expect = @connection.query('show geqo').first.first + assert_equal 'on', expect + end + def test_tables_logs_name @connection.tables('hello') assert_equal 'SCHEMA', @subscriber.logged[0][1] @@ -87,45 +131,53 @@ module ActiveRecord name = @subscriber.payloads.last[:statement_name] assert name res = @connection.exec_query("EXPLAIN (FORMAT JSON) EXECUTE #{name}(#{bindval})") - plan = res.column_types['QUERY PLAN'].type_cast res.rows.first.first + plan = res.column_types['QUERY PLAN'].type_cast_from_database res.rows.first.first assert_operator plan.length, :>, 0 end - # Must have with_manual_interventions set to true for this - # test to run. + # Must have PostgreSQL >= 9.2, or with_manual_interventions set to + # true for this test to run. + # # When prompted, restart the PostgreSQL server with the # "-m fast" option or kill the individual connection assuming # you know the incantation to do that. # To restart PostgreSQL 9.1 on OS X, installed via MacPorts, ... # sudo su postgres -c "pg_ctl restart -D /opt/local/var/db/postgresql91/defaultdb/ -m fast" - if ARTest.config['with_manual_interventions'] - def test_reconnection_after_actual_disconnection_with_verify - original_connection_pid = @connection.query('select pg_backend_pid()') + def test_reconnection_after_actual_disconnection_with_verify + original_connection_pid = @connection.query('select pg_backend_pid()') - # Sanity check. - assert @connection.active? + # Sanity check. + assert @connection.active? + if @connection.send(:postgresql_version) >= 90200 + secondary_connection = ActiveRecord::Base.connection_pool.checkout + secondary_connection.query("select pg_terminate_backend(#{original_connection_pid.first.first})") + ActiveRecord::Base.connection_pool.checkin(secondary_connection) + elsif ARTest.config['with_manual_interventions'] puts 'Kill the connection now (e.g. by restarting the PostgreSQL ' + 'server with the "-m fast" option) and then press enter.' $stdin.gets + else + # We're not capable of terminating the backend ourselves, and + # we're not allowed to seek assistance; bail out without + # actually testing anything. + return + end - @connection.verify! + @connection.verify! - assert @connection.active? + assert @connection.active? - # If we get no exception here, then either we re-connected successfully, or - # we never actually got disconnected. - new_connection_pid = @connection.query('select pg_backend_pid()') + # If we get no exception here, then either we re-connected successfully, or + # we never actually got disconnected. + new_connection_pid = @connection.query('select pg_backend_pid()') - assert_not_equal original_connection_pid, new_connection_pid, - "umm -- looks like you didn't break the connection, because we're still " + - "successfully querying with the same connection pid." + assert_not_equal original_connection_pid, new_connection_pid, + "umm -- looks like you didn't break the connection, because we're still " + + "successfully querying with the same connection pid." - # Repair all fixture connections so other tests won't break. - @fixture_connections.each do |c| - c.verify! - end - end + # Repair all fixture connections so other tests won't break. + @fixture_connections.each(&:verify!) end def test_set_session_variable_true @@ -157,17 +209,5 @@ module ActiveRecord ActiveRecord::Base.establish_connection(orig_connection.deep_merge({:variables => {:debug_print_plan => :default}})) end end - - private - - def run_without_connection - original_connection = ActiveRecord::Base.remove_connection - begin - yield original_connection - ensure - ActiveRecord::Base.establish_connection(original_connection) - end - end - end end |