Remove unneeded connect calls

lib/Doctrine/DBAL/Connection.php

@@ -349,7 +349,9 @@ class Connection implements DriverConnection
      */
     public function connect()
     {
-        if ($this->_isConnected) return false;
+        if ($this->_isConnected) {
+            return false;
+        }
 
         $driverOptions = isset($this->_params['driverOptions']) ?
                 $this->_params['driverOptions'] : array();
@@ -580,8 +582,6 @@ class Connection implements DriverConnection
             throw InvalidArgumentException::fromEmptyCriteria();
         }
 
-        $this->connect();
-
         $criteria = array();
 
         foreach (array_keys($identifier) as $columnName) {
@@ -649,7 +649,6 @@ class Connection implements DriverConnection
      */
     public function update($tableExpression, array $data, array $identifier, array $types = array())
     {
-        $this->connect();
         $set = array();
 
         foreach ($data as $columnName => $value) {
@@ -682,8 +681,6 @@ class Connection implements DriverConnection
      */
     public function insert($tableExpression, array $data, array $types = array())
     {
-        $this->connect();
-
         if (empty($data)) {
             return $this->executeUpdate('INSERT INTO ' . $tableExpression . ' ()' . ' VALUES ()');
         }
@@ -749,6 +746,7 @@ class Connection implements DriverConnection
         $this->connect();
 
         list($value, $bindingType) = $this->getBindingInfo($input, $type);
+
         return $this->_conn->quote($value, $bindingType);
     }
 
@@ -771,14 +769,12 @@ class Connection implements DriverConnection
      *
      * @param string $statement The SQL statement to prepare.
      *
-     * @return \Doctrine\DBAL\Driver\Statement The prepared statement.
+     * @return \Doctrine\DBAL\Statement The prepared statement.
      *
      * @throws \Doctrine\DBAL\DBALException
      */
     public function prepare($statement)
     {
-        $this->connect();
-
         try {
             $stmt = new Statement($statement, $this);
         } catch (\Exception $ex) {

tests/Doctrine/Tests/DBAL/ConnectionTest.php

@@ -480,4 +480,39 @@ SQLSTATE[HY000]: General error: 1 near \"MUUHAAAAHAAAA\"");
         $this->setExpectedException('Doctrine\DBAL\Exception\InvalidArgumentException');
         $conn->delete('kittens', array());
     }
+
+    public function dataCallConnectOnce()
+    {
+        return array(
+            array('delete', array('tbl', array('id' => 12345))),
+            array('insert', array('tbl', array('data' => 'foo'))),
+            array('update', array('tbl', array('data' => 'bar'), array('id' => 12345))),
+            array('prepare', array('select * from dual')),
+            array('executeUpdate', array('insert into tbl (id) values (?)'), array(123)),
+        );
+    }
+
+    /**
+     * @dataProvider dataCallConnectOnce
+     */
+    public function testCallConnectOnce($method, $params)
+    {
+        $driverMock   = $this->getMock('Doctrine\DBAL\Driver');
+        $pdoMock      = $this->getMock('Doctrine\DBAL\Driver\Connection');
+        $platformMock = new Mocks\MockPlatform();
+        $stmtMock     = $this->getMock('Doctrine\DBAL\Driver\Statement');
+
+        $pdoMock->expects($this->any())
+            ->method('prepare')
+            ->will($this->returnValue($stmtMock));
+
+        $conn = $this->getMockBuilder('Doctrine\DBAL\Connection')
+            ->setConstructorArgs(array(array('pdo' => $pdoMock, 'platform' => $platformMock), $driverMock))
+            ->setMethods(array('connect'))
+            ->getMock();
+
+        $conn->expects($this->once())->method('connect');
+
+        call_user_func_array(array($conn, $method), $params);
+    }
 }