refs #632 check boolean conversion with and without PDO type value

Add unit test to check boolean conversion with and without PDO boolean type

tests/Doctrine/Tests/DBAL/Functional/Ticket/DBAL630Test.php

@@ -24,6 +24,7 @@ class DBAL630Test extends \Doctrine\Tests\DbalFunctionalTestCase
 
         try {
             $this->_conn->exec('CREATE TABLE dbal630 (id SERIAL, bool_col BOOLEAN NOT NULL);');
+            $this->_conn->exec('CREATE TABLE dbal630_allow_nulls (id SERIAL, bool_col BOOLEAN);');
         } catch (DBALException $e) {
         }
         $this->running = true;
@@ -88,11 +89,14 @@ class DBAL630Test extends \Doctrine\Tests\DbalFunctionalTestCase
 
         $this->assertFalse($row['bool_col']);
     }
-    
-    public function testBooleanConversionNullParamEmulatedPrepares()
-    {
-        $this->_conn->exec('CREATE TABLE dbal630_allow_nulls (id SERIAL, bool_col BOOLEAN);');
 
+    /**
+     * @dataProvider booleanTypeConversionWithoutPdoTypeProvider
+     */
+    public function testBooleanConversionNullParamEmulatedPrepares(
+        $statementValue,
+        $databaseConvertedValue
+    ) {
         $this->_conn->getWrappedConnection()->setAttribute(PDO::ATTR_EMULATE_PREPARES, true);
 
         // PDO::PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT is deprecated in php 5.6. PDO::ATTR_EMULATE_PREPARES should
@@ -104,15 +108,73 @@ class DBAL630Test extends \Doctrine\Tests\DbalFunctionalTestCase
         $platform = $this->_conn->getDatabasePlatform();
 
         $stmt = $this->_conn->prepare('INSERT INTO dbal630_allow_nulls (bool_col) VALUES(?)');
-        $stmt->bindValue(1, $platform->convertBooleansToDatabaseValue(null));
+        $stmt->bindValue(1, $platform->convertBooleansToDatabaseValue($statementValue));
         $stmt->execute();
 
-        $id = $this->_conn->lastInsertId('dbal630_id_seq');
+        $id = $this->_conn->lastInsertId('dbal630_allow_nulls_id_seq');
+
+        $this->assertNotEmpty($id);
+
+        $row = $this->_conn->fetchAssoc('SELECT bool_col FROM dbal630_allow_nulls WHERE id = ?', array($id));
+
+        $this->assertEquals($databaseConvertedValue, $row['bool_col']);
+    }
+
+    /**
+     * @dataProvider booleanTypeConversionUsingBooleanTypeProvider
+     */
+    public function testBooleanConversionNullParamEmulatedPreparesWithBooleanTypeInBindValue(
+        $statementValue,
+        $databaseConvertedValue
+    ) {
+        $this->_conn->getWrappedConnection()->setAttribute(PDO::ATTR_EMULATE_PREPARES, true);
+
+        // PDO::PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT is deprecated in php 5.6. PDO::ATTR_EMULATE_PREPARES should
+        // be used instead. so should only it be set when it is supported.
+        if (PHP_VERSION_ID < 50600) {
+            $this->_conn->getWrappedConnection()->setAttribute(PDO::PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT, true);
+        }
+
+        $platform = $this->_conn->getDatabasePlatform();
+
+        $stmt = $this->_conn->prepare('INSERT INTO dbal630_allow_nulls (bool_col) VALUES(?)');
+        $stmt->bindValue(1, $platform->convertBooleansToDatabaseValue($statementValue), PDO::PARAM_BOOL);
+        $stmt->execute();
+
+        $id = $this->_conn->lastInsertId('dbal630_allow_nulls_id_seq');
 
         $this->assertNotEmpty($id);
 
         $row = $this->_conn->fetchAssoc('SELECT bool_col FROM dbal630_allow_nulls WHERE id = ?', array($id));
 
-        $this->assertNull($row['bool_col']);
+        $this->assertEquals($databaseConvertedValue, $row['bool_col']);
+    }
+
+    /**
+     * Boolean conversion mapping provider
+     * @return array
+     */
+    public function booleanTypeConversionUsingBooleanTypeProvider()
+    {
+        return array(
+            // statement value, database converted value result
+            array(true, true),
+            array(false, false),
+            array(null, false)
+        );
+    }
+
+    /**
+     * Boolean conversion mapping provider
+     * @return array
+     */
+    public function booleanTypeConversionWithoutPdoTypeProvider()
+    {
+        return array(
+            // statement value, database converted value result
+            array(true, true),
+            array(false, false),
+            array(null, null)
+        );
     }
 }