public function testGetChildrenParentIdChildAlias()
{
$this->_structure->createElement('one', array());
$this->_structure->createElement('two', array());
$this->_structure->createElement('three', array());
$this->_structure->setAsChild('two', 'one');
$this->_structure->setAsChild('three', 'one', 'th');
// getChildren()
$this->assertSame(array('two' => 'two', 'three' => 'th'), $this->_structure->getChildren('one'));
$this->assertSame(array(), $this->_structure->getChildren('three'));
$this->assertSame(array(), $this->_structure->getChildren('nonexisting'));
// getParentId()
$this->assertEquals('one', $this->_structure->getParentId('two'));
$this->assertFalse($this->_structure->getParentId('nonexistent'));
// getChildAlias()
$this->assertEquals('two', $this->_structure->getChildAlias('one', 'two'));
$this->assertEquals('th', $this->_structure->getChildAlias('one', 'three'));
$this->assertFalse($this->_structure->getChildAlias('nonexistent', 'child'));
$this->assertFalse($this->_structure->getChildAlias('one', 'nonexistent'));
}
/**
* Get list of child blocks
*
* Returns associative array of <alias> => <block instance>
*
* @param string $parentName
* @return array
*/
public function getChildBlocks($parentName)
{
$blocks = array();
foreach ($this->_structure->getChildren($parentName) as $childName => $alias) {
$block = $this->getBlock($childName);
if ($block) {
$blocks[$alias] = $block;
}
}
return $blocks;
}