Add conversion exception when date and time type convertToDatabaseValue...

Add conversion exception when date and time type convertToDatabaseValue methods are passed non-null values that are not DateTime instances.

lib/Doctrine/DBAL/Types/ConversionException.php

@@ -65,4 +65,29 @@ class ConversionException extends \Doctrine\DBAL\DBALException
             $toType . '. Expected format: ' . $expectedFormat
         );
     }
+
+    /**
+     * Thrown when the PHP value passed to the converter was not of the expected type.
+     *
+     * @param mixed $value
+     * @param string $fromType
+     *
+     * @return \Doctrine\DBAL\Types\ConversionException
+     */
+    static public function conversionFailedInvalidType($value, $toType, $fromType)
+    {
+        $actualType = gettype($value);
+        if ($actualType === 'object') {
+            $actualType .= " (" . get_class($value) . ")";
+            if (!method_exists($value, '__toString')) {
+                $value = 'object';
+            }
+        }
+        $value = (string)$value;
+        $value = (strlen($value) > 32) ? substr($value, 0, 20) . "..." : $value;
+
+        return new self(
+            "Could not convert PHP value '$value' of type '$actualType' to type $toType. Expected type: $fromType"
+        );
+    }
 }

lib/Doctrine/DBAL/Types/DateTimeType.php

@@ -49,6 +49,10 @@ class DateTimeType extends Type
      */
     public function convertToDatabaseValue($value, AbstractPlatform $platform)
     {
+        if ($value !== null && !$value instanceof \DateTime) {
+            throw ConversionException::conversionFailedInvalidType($value, $this->getName(), "DateTime");
+        }
+
         return ($value !== null)
             ? $value->format($platform->getDateTimeFormatString()) : null;
     }

lib/Doctrine/DBAL/Types/DateTimeTzType.php

@@ -67,6 +67,10 @@ class DateTimeTzType extends Type
      */
     public function convertToDatabaseValue($value, AbstractPlatform $platform)
     {
+        if ($value !== null && !$value instanceof \DateTime) {
+            throw ConversionException::conversionFailedInvalidType($value, $this->getName(), "DateTime");
+        }
+        
         return ($value !== null)
             ? $value->format($platform->getDateTimeTzFormatString()) : null;
     }

lib/Doctrine/DBAL/Types/DateType.php

@@ -49,6 +49,10 @@ class DateType extends Type
      */
     public function convertToDatabaseValue($value, AbstractPlatform $platform)
     {
+        if ($value !== null && !$value instanceof \DateTime) {
+            throw ConversionException::conversionFailedInvalidType($value, $this->getName(), "DateTime");
+        }
+
         return ($value !== null)
             ? $value->format($platform->getDateFormatString()) : null;
     }

lib/Doctrine/DBAL/Types/TimeType.php

@@ -49,6 +49,10 @@ class TimeType extends Type
      */
     public function convertToDatabaseValue($value, AbstractPlatform $platform)
     {
+        if ($value !== null && !$value instanceof \DateTime) {
+            throw ConversionException::conversionFailedInvalidType($value, $this->getName(), "DateTime");
+        }
+
         return ($value !== null)
             ? $value->format($platform->getTimeFormatString()) : null;
     }

tests/Doctrine/Tests/DBAL/Types/DateTest.php

@@ -31,6 +31,24 @@ class DateTest extends \Doctrine\Tests\DbalTestCase
         );
     }
 
+    /**
+     * @expectedException \Doctrine\DBAL\Types\ConversionException
+     */
+    public function testInvalidDateTimeValueInteger()
+    {
+        $date = 27;
+        $this->_type->convertToDatabaseValue($date, $this->_platform);
+    }
+
+    /**
+     * @expectedException \Doctrine\DBAL\Types\ConversionException
+     */
+    public function testInvalidDateTimeValueStdClass()
+    {
+        $date = new \stdClass();
+        $this->_type->convertToDatabaseValue($date, $this->_platform);
+    }
+
     public function testDateConvertsToPHPValue()
     {
         // Birthday of jwage and also birthday of Doctrine. Send him a present ;)

tests/Doctrine/Tests/DBAL/Types/DateTimeTest.php

@@ -2,6 +2,7 @@
 
 namespace Doctrine\Tests\DBAL\Types;
 
+use Doctrine\DBAL\Types\ConversionException;
 use Doctrine\DBAL\Types\Type;
 use Doctrine\Tests\DBAL\Mocks\MockPlatform;
 
@@ -27,6 +28,24 @@ class DateTimeTest extends \Doctrine\Tests\DbalTestCase
         $this->assertEquals($expected, $actual);
     }
 
+    /**
+     * @expectedException \Doctrine\DBAL\Types\ConversionException
+     */
+    public function testInvalidDateTimeValueInteger()
+    {
+        $date = 27;
+        $this->_type->convertToDatabaseValue($date, $this->_platform);
+    }
+
+    /**
+     * @expectedException \Doctrine\DBAL\Types\ConversionException
+     */
+    public function testInvalidDateTimeValueStdClass()
+    {
+        $date = new \stdClass();
+        $this->_type->convertToDatabaseValue($date, $this->_platform);
+    }
+
     public function testDateTimeConvertsToPHPValue()
     {
         // Birthday of jwage and also birthday of Doctrine. Send him a present ;)

tests/Doctrine/Tests/DBAL/Types/DateTimeTzTest.php

@@ -27,6 +27,25 @@ class DateTimeTzTest extends \Doctrine\Tests\DbalTestCase
         $this->assertEquals($expected, $actual);
     }
 
+    /**
+     * @expectedException \Doctrine\DBAL\Types\ConversionException
+     */
+    public function testInvalidDateTimeValueInteger()
+    {
+        $date = 27;
+        $this->_type->convertToDatabaseValue($date, $this->_platform);
+    }
+
+    /**
+     * @expectedException \Doctrine\DBAL\Types\ConversionException
+     */
+    public function testInvalidDateTimeValueStdClass()
+    {
+        $date = new \stdClass();
+        $this->_type->convertToDatabaseValue($date, $this->_platform);
+    }
+
+
     public function testDateTimeConvertsToPHPValue()
     {
         // Birthday of jwage and also birthday of Doctrine. Send him a present ;)

tests/Doctrine/Tests/DBAL/Types/TimeTest.php

@@ -24,6 +24,24 @@ class TimeTest extends \Doctrine\Tests\DbalTestCase
         );
     }
 
+    /**
+     * @expectedException \Doctrine\DBAL\Types\ConversionException
+     */
+    public function testInvalidDateTimeValueInteger()
+    {
+        $date = 27;
+        $this->_type->convertToDatabaseValue($date, $this->_platform);
+    }
+
+    /**
+     * @expectedException \Doctrine\DBAL\Types\ConversionException
+     */
+    public function testInvalidDateTimeValueStdClass()
+    {
+        $date = new \stdClass();
+        $this->_type->convertToDatabaseValue($date, $this->_platform);
+    }
+
     public function testTimeConvertsToPHPValue()
     {
         $this->assertTrue(