diff options
Diffstat (limited to 'activerecord/test/cases/adapters/postgresql/referential_integrity_test.rb')
-rw-r--r-- | activerecord/test/cases/adapters/postgresql/referential_integrity_test.rb | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/referential_integrity_test.rb b/activerecord/test/cases/adapters/postgresql/referential_integrity_test.rb new file mode 100644 index 0000000000..98291f1bbf --- /dev/null +++ b/activerecord/test/cases/adapters/postgresql/referential_integrity_test.rb @@ -0,0 +1,89 @@ +require 'cases/helper' +require 'support/connection_helper' + +class PostgreSQLReferentialIntegrityTest < ActiveRecord::TestCase + self.use_transactional_fixtures = false + + include ConnectionHelper + + module MissingSuperuserPrivileges + def execute(sql) + if sql.match(/DISABLE TRIGGER ALL/) || sql.match(/ENABLE TRIGGER ALL/) + super "BROKEN;" rescue nil # put transaction in broken state + raise ActiveRecord::StatementInvalid, 'PG::InsufficientPrivilege' + else + super + end + end + end + + def setup + @connection = ActiveRecord::Base.connection + end + + def teardown + reset_connection + if ActiveRecord::Base.connection.is_a?(MissingSuperuserPrivileges) + raise "MissingSuperuserPrivileges patch was not removed" + end + end + + def test_should_reraise_invalid_foreign_key_exception_and_show_warning + @connection.extend MissingSuperuserPrivileges + + warning = capture(:stderr) do + e = assert_raises(ActiveRecord::InvalidForeignKey) do + @connection.disable_referential_integrity do + raise ActiveRecord::InvalidForeignKey, 'Should be re-raised' + end + end + assert_equal 'Should be re-raised', e.message + end + assert_match (/WARNING: Rails was not able to disable referential integrity/), warning + assert_match (/cause: PG::InsufficientPrivilege/), warning + end + + def test_does_not_print_warning_if_no_invalid_foreign_key_exception_was_raised + @connection.extend MissingSuperuserPrivileges + + warning = capture(:stderr) do + e = assert_raises(ActiveRecord::StatementInvalid) do + @connection.disable_referential_integrity do + raise ActiveRecord::StatementInvalid, 'Should be re-raised' + end + end + assert_equal 'Should be re-raised', e.message + end + assert warning.blank?, "expected no warnings but got:\n#{warning}" + end + + def test_does_not_break_transactions + @connection.extend MissingSuperuserPrivileges + + @connection.transaction do + @connection.disable_referential_integrity do + assert_transaction_is_not_broken + end + assert_transaction_is_not_broken + end + end + + def test_does_not_break_nested_transactions + @connection.extend MissingSuperuserPrivileges + + @connection.transaction do + @connection.transaction(requires_new: true) do + @connection.disable_referential_integrity do + assert_transaction_is_not_broken + end + end + assert_transaction_is_not_broken + end + end + + private + + def assert_transaction_is_not_broken + assert_equal "1", @connection.select_value("SELECT 1") + end +end |