cxmlmodel Follow @yiiframework

public function test1()
{
    $model = Environment::model($this->xml); // $this->xml can be path to file or xml string
 
    $this->assertEquals(2, $model->length());
    $this->assertEquals('I', $model->getAttribute("id"));
 
    /// moveNext/movePrevious/move... affects model
    $model->moveNext();
    $this->assertEquals('II', $model->getAttribute("id"));
 
    /// getNext/getPrevious/get.. don't
    $this->assertEquals('I', $model->getFirst()->getAttribute("id"));
    $this->assertEquals('II', $model->getAttribute("id"));
 
    $model->moveFirst();
 
    /// you can iterate over it
    $count = 0;
    $array = array();
    foreach ($model as $k => $v)
    {
        $array[$v->getAttribute("id")] = $k;
        $this->assertEquals('I', $model->getAttribute("id")); // and it will not affect '$model'
        $count++;
    }
    $this->assertTrue(array_key_exists('I', $array));
    $this->assertTrue(array_key_exists('II', $array));
    $this->assertEquals(2, $count);
 
    /// easy access to children
    $this->assertEquals(4, $model->Node->length());
 
    /// and to node value
    $this->assertEquals('1', $model->Node->value());
    $this->assertEquals('3', $model->Node->get(2)->value());
}