Sonata\Tests\Component\Product\BaseProductServiceTest::testProductCategoriesSynchronization PHP Method

    public function testProductCategoriesSynchronization()
    {
        $provider = $this->getBaseProvider();
        $repository = $this->getMockBuilder('Doctrine\\ORM\\EntityRepository')->disableOriginalConstructor()->getMock();
        $em = $this->getMockBuilder('Doctrine\\ORM\\EntityManager')->disableOriginalConstructor()->getMock();
        $em->expects($this->any())->method('getRepository')->will($this->returnValue($repository));
        $registry = $this->getMock('Doctrine\\Common\\Persistence\\ManagerRegistry');
        $registry->expects($this->any())->method('getManagerForClass')->will($this->returnValue($em));
        $productCategoryManager = new ProductCategoryManager('Sonata\\Tests\\Component\\Product\\ProductCategory', $registry);
        $provider->setProductCategoryManager($productCategoryManager);
        // create product
        $product = new Product();
        // create category1 (main) and add to product
        $category1 = new Category();
        $category1->setId(1);
        $productCategory1 = new ProductCategory();
        $productCategory1->setId(1);
        $productCategory1->setMain(true);
        $productCategory1->setCategory($category1);
        $product->addProductCategory($productCategory1);
        // create product variation without sync categories
        $variation = $provider->createVariation($product, false);
        $this->assertEquals(0, count($variation->getProductCategories()));
        // synchronise 1 category
        $provider->synchronizeVariationsCategories($product);
        $this->assertEquals(1, count($variation->getProductCategories()));
        // create category2 and add to product
        $category2 = new Category();
        $category2->setId(2);
        $productCategory2 = new ProductCategory();
        $productCategory2->setId(2);
        $productCategory2->setCategory($category2);
        $product->addProductCategory($productCategory2);
        // variation still have 1 category (no sync yet)
        $this->assertEquals(1, count($variation->getProductCategories()));
        // synchronize 2 categories
        $provider->synchronizeVariationsCategories($product);
        $this->assertEquals(2, count($variation->getProductCategories()));
        // remove category1 from product
        $product->removeProductCategory($productCategory1);
        // variation still have 2 categories
        $this->assertEquals(2, count($variation->getProductCategories()));
        $provider->synchronizeVariationsCategories($product);
        //        $this->assertEquals(1, count($variation->getProductCategories()));
        //        $this->assertFalse($variation->getProductCategories()->contains($productCategory1));
        //        $this->assertTrue($variation->getProductCategories()->contains($productCategory2));
    }