Merge branch 'fix/#6168-#6167-force-nextval-selection-on-the-master-server'

Close #6167
Close #6168

lib/Doctrine/ORM/Id/SequenceGenerator.php

@@ -76,7 +76,8 @@ class SequenceGenerator extends AbstractIdGenerator implements Serializable
             $conn = $em->getConnection();
             $sql  = $conn->getDatabasePlatform()->getSequenceNextValSQL($this->_sequenceName);
 
-            $this->_nextValue = (int) $conn->fetchColumn($sql);
+            // Using `query` to force usage of the master server in MasterSlaveConnection
+            $this->_nextValue = (int) $conn->query($sql)->fetchColumn();
             $this->_maxValue  = $this->_nextValue + $this->_allocationSize;
         }
 

tests/Doctrine/Tests/Mocks/ConnectionMock.php

@@ -1,7 +1,9 @@
 <?php
 
 namespace Doctrine\Tests\Mocks;
+
 use Doctrine\DBAL\Connection;
+use Doctrine\DBAL\Driver\Statement;
 
 /**
  * Mock class for Connection.
@@ -13,6 +15,16 @@ class ConnectionMock extends Connection
      */
     private $_fetchOneResult;
 
+    /**
+     * @var \Exception|null
+     */
+    private $_fetchOneException;
+
+    /**
+     * @var Statement|null
+     */
+    private $_queryResult;
+
     /**
      * @var DatabasePlatformMock
      */
@@ -86,9 +98,21 @@ class ConnectionMock extends Connection
      */
     public function fetchColumn($statement, array $params = [], $colnum = 0, array $types = [])
     {
+        if (null !== $this->_fetchOneException) {
+            throw $this->_fetchOneException;
+        }
+
         return $this->_fetchOneResult;
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function query() : Statement
+    {
+        return $this->_queryResult;
+    }
+
     /**
      * {@inheritdoc}
      */
@@ -112,6 +136,16 @@ class ConnectionMock extends Connection
         $this->_fetchOneResult = $fetchOneResult;
     }
 
+    /**
+     * @param \Exception|null $exception
+     *
+     * @return void
+     */
+    public function setFetchOneException(\Exception $exception = null)
+    {
+        $this->_fetchOneException = $exception;
+    }
+
     /**
      * @param \Doctrine\DBAL\Platforms\AbstractPlatform $platform
      *
@@ -132,6 +166,14 @@ class ConnectionMock extends Connection
         $this->_lastInsertId = $id;
     }
 
+    /**
+     * @param Statement $result
+     */
+    public function setQueryResult(Statement $result)
+    {
+        $this->_queryResult = $result;
+    }
+
     /**
      * @return array
      */

tests/Doctrine/Tests/ORM/Id/SequenceGeneratorTest.php

@@ -2,38 +2,58 @@
 
 namespace Doctrine\Tests\ORM\Id;
 
+use Doctrine\ORM\EntityManager;
 use Doctrine\ORM\Id\SequenceGenerator;
+use Doctrine\Tests\Mocks\ConnectionMock;
+use Doctrine\Tests\Mocks\StatementArrayMock;
 use Doctrine\Tests\OrmTestCase;
 
-/**
- * Description of SequenceGeneratorTest
- *
- * @author robo
- */
 class SequenceGeneratorTest extends OrmTestCase
 {
-    private $_em;
-    private $_seqGen;
+    /**
+     * @var EntityManager
+     */
+    private $entityManager;
 
-    protected function setUp()
+    /**
+     * @var SequenceGenerator
+     */
+    private $sequenceGenerator;
+
+    /**
+     * @var ConnectionMock
+     */
+    private $connection;
+
+    protected function setUp() : void
     {
-        $this->_em = $this->_getTestEntityManager();
-        $this->_seqGen = new SequenceGenerator('seq', 10);
+        parent::setUp();
+
+        $this->entityManager     = $this->_getTestEntityManager();
+        $this->sequenceGenerator = new SequenceGenerator('seq', 10);
+        $this->connection        = $this->entityManager->getConnection();
+
+        self::assertInstanceOf(ConnectionMock::class, $this->connection);
     }
 
-    public function testGeneration()
+    public function testGeneration() : void
     {
+        $this->connection->setFetchOneException(new \BadMethodCallException(
+            'Fetch* method used. Query method should be used instead, '
+            . 'as NEXTVAL should be run on a master server in master-slave setup.'
+        ));
+
         for ($i = 0; $i < 42; ++$i) {
             if ($i % 10 == 0) {
-                $this->_em->getConnection()->setFetchOneResult((int)($i / 10) * 10);
-            }
-            $id = $this->_seqGen->generate($this->_em, null);
-            $this->assertEquals($i, $id);
-            $this->assertEquals((int)($i / 10) * 10 + 10, $this->_seqGen->getCurrentMaxValue());
-            $this->assertEquals($i + 1, $this->_seqGen->getNextValue());
+                $this->connection->setQueryResult(new StatementArrayMock([[(int)($i / 10) * 10]]));
             }
 
+            $id = $this->sequenceGenerator->generate($this->entityManager, null);
 
+            self::assertSame($i, $id);
+            self::assertSame((int)($i / 10) * 10 + 10, $this->sequenceGenerator->getCurrentMaxValue());
+            self::assertSame($i + 1, $this->sequenceGenerator->getNextValue());
+        }
     }
 }