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Added html method into Crawler class #7750

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Merged
merged 1 commit into from
Apr 22, 2013
Merged

Added html method into Crawler class #7750

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22 changes: 22 additions & 0 deletions src/Symfony/Component/DomCrawler/Crawler.php
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Original file line number Diff line number Diff line change
Expand Up @@ -480,6 +480,28 @@ public function text()
return $this->getNode(0)->nodeValue;
}

/**
* Returns the html of the first node of the list.
*
* @return string The node html
*
* @throws \InvalidArgumentException When current node is empty
*/
public function html()
{
if (!count($this)) {
throw new \InvalidArgumentException('The current node list is empty.');
}

$html = '';
foreach ($this->getNode(0)->childNodes as $child) {

$html .= $child->ownerDocument->saveXML($child);
}

return str_replace('
', '', $html);
}

/**
* Extracts information from the list of nodes.
*
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12 changes: 12 additions & 0 deletions src/Symfony/Component/DomCrawler/Tests/CrawlerTest.php
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Expand Up @@ -319,6 +319,18 @@ public function testText()
}
}

public function testHtml()
{
$this->assertEquals('<img alt="Bar"/>', $this->createTestCrawler()->filterXPath('//a[5]')->html(), '->html() returns the html of the first element of the node list');

try {
$this->createTestCrawler()->filterXPath('//ol')->html();
$this->fail('->html() throws an \InvalidArgumentException if the node list is empty');
} catch (\InvalidArgumentException $e) {
$this->assertTrue(true, '->html() throws an \InvalidArgumentException if the node list is empty');
}
}

public function testExtract()
{
$crawler = $this->createTestCrawler()->filterXPath('//ul[1]/li');
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