public function testGetChildData() { $block = new Mage_Core_Block_Template(); $block->setSomeValue('value'); $this->_block->setChild('block1', $block); $this->assertEquals(array('some_value' => 'value'), $this->_block->getChildData('block1')); $this->assertEquals('value', $this->_block->getChildData('block1', 'some_value')); $this->assertNull($this->_block->getChildData('unknown_block')); }