getId()); self::assertEquals('', $category->getName()); self::assertNull($category->getParent()); } public function testSetGet() : void { $category = new QACategory(); $category->setName('Category Name'); $category->setParent(new NullQACategory(1)); self::assertEquals('Category Name', $category->getName()); self::assertEquals(1, $category->getParent()->getId()); } }