+ /**
+ * @covers \Wikimedia\Rdbms\Database::query
+ */
+ public function testImplicitTransactionRollback() {
+ $doError = function ( $wasKnown = true ) {
+ $this->database->forceNextQueryError( 666, 'Evilness' );
+ try {
+ $this->database->delete( 'error', '1', __CLASS__ . '::SomeCaller' );
+ $this->fail( 'Expected exception not thrown' );
+ } catch ( DBError $e ) {
+ $this->assertSame( 666, $e->errno );
+ }
+ };
+
+ $this->database->setFlag( Database::DBO_TRX );
+
+ // Implicit transaction gets silently rolled back
+ $this->database->begin( __METHOD__, Database::TRANSACTION_INTERNAL );
+ call_user_func( $doError, false );
+ $this->database->delete( 'x', [ 'field' => 1 ], __METHOD__ );
+ $this->database->commit( __METHOD__, Database::FLUSHING_INTERNAL );
+ // phpcs:ignore
+ $this->assertLastSql( 'BEGIN; DELETE FROM error WHERE 1; ROLLBACK; BEGIN; DELETE FROM x WHERE field = \'1\'; COMMIT' );
+
+ // ... unless there were prior writes
+ $this->database->begin( __METHOD__, Database::TRANSACTION_INTERNAL );
+ $this->database->delete( 'x', [ 'field' => 1 ], __METHOD__ );
+ call_user_func( $doError, false );
+ try {
+ $this->database->delete( 'x', [ 'field' => 1 ], __METHOD__ );
+ $this->fail( 'Expected exception not thrown' );
+ } catch ( DBTransactionStateError $e ) {
+ }
+ $this->database->rollback( __METHOD__, Database::FLUSHING_INTERNAL );
+ // phpcs:ignore
+ $this->assertLastSql( 'BEGIN; DELETE FROM x WHERE field = \'1\'; DELETE FROM error WHERE 1; ROLLBACK' );
+ }
+