public function testToArray()
{
$root = new HtmlNode(new Tag('root'));
$parent = new HtmlNode(new Tag('div'));
$child1 = new HtmlNode(new Tag('a'));
$child2 = new HtmlNode(new Tag('p'));
$child3 = new HtmlNode(new Tag('a'));
$root->addChild($parent);
$parent->addChild($child1);
$parent->addChild($child2);
$child2->addChild($child3);
$selector = new Selector('a');
$collection = $selector->find($root);
$array = $collection->toArray();
$lastA = end($array);
$this->assertEquals($child3->id(), $lastA->id());
}
public function testFindChildUsingChildSelector()
{
$root = new HtmlNode(new Tag('root'));
$parent = new HtmlNode(new Tag('div'));
$child1 = new HtmlNode(new Tag('ul'));
$child2 = new HtmlNode(new Tag('span'));
$child3 = new HtmlNode(new Tag('ul'));
$root->addChild($parent);
$parent->addChild($child1);
$child2->addChild($child3);
$parent->addChild($child2);
$selector = new Selector('div > ul');
$this->assertEquals(1, count($selector->find($root)));
}
/**
* Find elements by css selector
*
* @param string $selector
* @param int $nth
* @return array
*/
public function find($selector, $nth = null)
{
$selector = new Selector($selector);
$nodes = $selector->find($this);
if (!is_null($nth)) {
// return nth-element or array
if (isset($nodes[$nth])) {
return $nodes[$nth];
}
return null;
}
return $nodes;
}
public function testFindXpathKeySelector()
{
$parent = new HtmlNode(new Tag('div'));
$child1 = new HtmlNode(new Tag('a'));
$child2 = new HtmlNode(new Tag('p'));
$child3 = new HtmlNode(new Tag('a'));
$child3->getTag()->setAttributes(['class' => ['value' => 'link outer', 'doubleQuote' => false]]);
$parent->addChild($child1);
$parent->addChild($child2);
$parent->addChild($child3);
$selector = new Selector('div[1]');
$this->assertEquals($parent->id(), $selector->find($parent)[0]->id());
}
