/** * @magentoAppIsolation enabled */ public function testGetChildBlock() { $childAlias = 'child_alias'; $childName = 'child'; $parentName = 'parent'; // Without layout $this->assertFalse($this->_block->getChildBlock($childAlias)); // With layout /** @var $layout \Magento\Framework\View\Layout */ $layout = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->get('Magento\\Framework\\View\\LayoutInterface'); $child = $layout->createBlock('Magento\\Framework\\View\\Element\\Text', $childName); $layout->addBlock($this->_block, $parentName); $this->_block->setChild($childAlias, $child); $result = $this->_block->getChildBlock($childAlias); $this->assertInstanceOf('Magento\\Framework\\View\\Element\\Text', $result); $this->assertEquals($childName, $result->getNameInLayout()); $this->assertEquals($child, $result); }