From bc51c1d7a08427f891350feb854ee8a0282c96c1 Mon Sep 17 00:00:00 2001
From: Renato Moura <renato@naturalweb.com.br>
Date: Fri, 22 Feb 2013 23:48:41 -0300
Subject: [PATCH] Created an adapter Zend Paginator instance using TableGateway
 Isseus: #3802

---
 .../Zend/Paginator/Adapter/DbTableGateway.php | 35 ++++++++
 .../Paginator/Adapter/DbTableGatewayTest.php  | 83 +++++++++++++++++++
 2 files changed, 118 insertions(+)
 create mode 100644 library/Zend/Paginator/Adapter/DbTableGateway.php
 create mode 100644 tests/ZendTest/Paginator/Adapter/DbTableGatewayTest.php

diff --git a/library/Zend/Paginator/Adapter/DbTableGateway.php b/library/Zend/Paginator/Adapter/DbTableGateway.php
new file mode 100644
index 00000000000..ea764fe422e
--- /dev/null
+++ b/library/Zend/Paginator/Adapter/DbTableGateway.php
@@ -0,0 +1,35 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+namespace Zend\Paginator\Adapter;
+
+use Zend\Paginator\Adapter\DbSelect;
+use Zend\Db\TableGateway\TableGateway;
+
+/**
+ * @category   Zend
+ * @package    Zend_Paginator
+ * @subpackage Adapter
+ */
+class DbTableGateway extends DbSelect
+{
+    /**
+     * Construnct
+     * 
+     * @param TableGateway                $tableGateway
+     * @param Where|\Closure|string|array $where
+     */
+    public function __construct(TableGateway $tableGateway, $where = null)
+    {
+        $select             = $tableGateway->getSql()->select($where);
+        $dbAdapter          = $tableGateway->getAdapter();
+        $resultSetPrototype = $tableGateway->getResultSetPrototype();
+        
+        parent::__construct($select, $dbAdapter, $resultSetPrototype);
+    }
+}
diff --git a/tests/ZendTest/Paginator/Adapter/DbTableGatewayTest.php b/tests/ZendTest/Paginator/Adapter/DbTableGatewayTest.php
new file mode 100644
index 00000000000..42d9c91dd13
--- /dev/null
+++ b/tests/ZendTest/Paginator/Adapter/DbTableGatewayTest.php
@@ -0,0 +1,83 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ * @package   Zend_Paginator
+ */
+
+namespace ZendTest\Paginator\Adapter;
+
+use Zend\Paginator\Adapter\DbTableGateway;
+use Zend\Paginator\Adapter\DbSelect;
+use Zend\Db\ResultSet\ResultSet;
+
+/**
+ * @category   Zend
+ * @package    Zend_Paginator
+ * @subpackage UnitTests
+ * @group      Zend_Paginator
+ */
+class DbTableGatewayTest extends \PHPUnit_Framework_TestCase
+{
+    /** @var \PHPUnit_Framework_MockObject_MockObject */
+    protected $mockStatement;
+    
+    /** @var DbTableGateway */
+    protected $dbTableGateway;
+        
+    public function setup()
+    {
+        $mockStatement = $this->getMock('Zend\Db\Adapter\Driver\StatementInterface');
+        $mockDriver = $this->getMock('Zend\Db\Adapter\Driver\DriverInterface');
+        $mockDriver->expects($this->any())
+                   ->method('createStatement')
+                   ->will($this->returnValue($mockStatement));
+        $mockPlatform = $this->getMock('Zend\Db\Adapter\Platform\PlatformInterface');
+        $mockPlatform->expects($this->any())
+                     ->method('getName')
+                     ->will($this->returnValue('platform'));
+        $mockAdapter = $this->getMockForAbstractClass(
+            'Zend\Db\Adapter\Adapter', 
+            array($mockDriver, $mockPlatform)
+        );
+        
+        $tableName = 'foobar';
+        $mockTableGateway = $this->getMockForAbstractClass(
+            'Zend\Db\TableGateway\TableGateway',
+            array($tableName, $mockAdapter)
+        );
+        
+        $this->mockStatement = $mockStatement;
+        $this->dbTableGateway = new DbTableGateway($mockTableGateway);
+    }
+    
+    public function testGetItems()
+    {
+        $mockResult = $this->getMock('Zend\Db\Adapter\Driver\ResultInterface');
+        $this->mockStatement
+             ->expects($this->any())
+             ->method('execute')
+             ->will($this->returnValue($mockResult));
+        
+        $items = $this->dbTableGateway->getItems(2, 10);
+        $this->assertInstanceOf('Zend\Db\ResultSet\ResultSet', $items);
+    }
+    
+    public function testCount()
+    {
+        $mockResult = $this->getMock('Zend\Db\Adapter\Driver\ResultInterface');
+        $mockResult->expects($this->any())
+                   ->method('current')
+                   ->will($this->returnValue(array('c' => 10)));
+        
+        $this->mockStatement->expects($this->any())
+             ->method('execute')
+             ->will($this->returnValue($mockResult));
+        
+        $count = $this->dbTableGateway->count();
+        $this->assertEquals(10, $count);
+    }
+}