public function testConstructor()
 {
     $this->assertEquals('EBAY-US', $this->_finding->getOption(Zend_Service_Ebay_Finding::OPTION_GLOBAL_ID));
     $this->assertEquals('foo', $this->_finding->getOption(Zend_Service_Ebay_Finding::OPTION_APP_ID));
     $options = array(Zend_Service_Ebay_Finding::OPTION_APP_ID => 'app-id', Zend_Service_Ebay_Finding::OPTION_GLOBAL_ID => 'EBAY-GB', 'foo' => 'bar');
     $finding = new Zend_Service_Ebay_Finding($options);
     $this->assertEquals('EBAY-GB', $finding->getOption(Zend_Service_Ebay_Finding::OPTION_GLOBAL_ID));
     $this->assertEquals('app-id', $finding->getOption(Zend_Service_Ebay_Finding::OPTION_APP_ID));
     $this->assertEquals('bar', $finding->getOption('foo'));
     $this->setExpectedException('Zend_Service_Ebay_Finding_Exception');
     $finding = new Zend_Service_Ebay_Finding(array('foo' => 'bar'));
 }

 public function testItemsPagination()
 {
     // page 1
     // make sure this search will generate more than one page as result
     $page1 = $this->_finding->findItemsByKeywords('laptop');
     $this->assertEquals(1, $page1->paginationOutput->pageNumber);
     // out of range, page #0
     try {
         $page1->page($this->_finding, 0);
         $this->fail('No exception found for page #0');
     } catch (Exception $e) {
         $this->assertTrue($e instanceof Zend_Service_Ebay_Finding_Exception);
         $this->assertContains('Page number ', $e->getMessage());
     }
     // out of range, one page after last one
     try {
         $number = $page1->paginationOutput->totalPages + 1;
         $page1->page($this->_finding, $number);
         $this->fail("No exception found for page out of range #{$number}");
     } catch (Exception $e) {
         $this->assertTrue($e instanceof Zend_Service_Ebay_Finding_Exception);
         $this->assertContains('Page number ', $e->getMessage());
     }
     // page next
     $page2 = $page1->pageNext($this->_finding);
     $this->assertEquals(2, $page2->paginationOutput->pageNumber);
     // previous
     $previous = $page2->pagePrevious($this->_finding);
     $this->assertEquals(1, $previous->paginationOutput->pageNumber);
     $this->assertNull($page1->pagePrevious($this->_finding));
     // first
     $first = $page2->pageFirst($this->_finding);
     $this->assertEquals(1, $first->paginationOutput->pageNumber);
     // last
     $last = $page2->pageLast($this->_finding);
     $this->assertNotEquals(1, $last->paginationOutput->pageNumber);
     // page #2
     $some = $page1->page($this->_finding, 2);
     $this->assertEquals(2, $some->paginationOutput->pageNumber);
 }

 /**
  * @param  Zend_Service_Ebay_Finding $proxy
  * @param  Zend_Config|array         $options
  * @return Zend_Service_Ebay_Finding_Response_Items
  */
 public function findItemsByProduct(Zend_Service_Ebay_Finding $proxy, $options = null)
 {
     $type = $this->attributes('productId', 'type');
     return $proxy->findItemsByProduct($this->productId, $type, $options);
 }

 /**
  * Load DOMXPath for current DOM object.
  *
  * @see    Zend_Service_Ebay_Finding::_parseResponse()
  * @return void
  */
 protected function _initXPath()
 {
     $document = $this->_dom->ownerDocument;
     if (!isset($document->ebayFindingXPath)) {
         $xpath = new DOMXPath($document);
         foreach (Zend_Service_Ebay_Finding::getXmlNamespaces() as $alias => $uri) {
             $xpath->registerNamespace($alias, $uri);
         }
         $document->ebayFindingXPath = $xpath;
     }
     $this->_xPath = $document->ebayFindingXPath;
 }

 /**
  * @param  Zend_Service_Ebay_Finding $proxy
  * @param  Zend_Config|array         $options
  * @return Zend_Service_Ebay_Finding_Response_Items
  */
 public function findItems(Zend_Service_Ebay_Finding $proxy, $options = null)
 {
     return $proxy->findItemsInEbayStores($this->storeName, $options);
 }

 /**
  * @param  Zend_Service_Ebay_Finding $proxy
  * @param  Zend_Config|array         $options
  * @return Zend_Service_Ebay_Finding_Response_Items
  */
 public function findItems(Zend_Service_Ebay_Finding $proxy, $options = null)
 {
     return $proxy->findItemsByCategory($this->categoryId, $options);
 }