public function XMLXpathTest::testXmlXpath in GraphQL 8.4

@covers \Drupal\graphql\Plugin\GraphQL\DataProducer\XML\XMLXpath::resolve

File

tests/src/Kernel/DataProducer/XML/XMLXpathTest.php, line 15

Class

XMLXpathTest

Data producers XMLXpath test class.

Namespace

Drupal\Tests\graphql\Kernel\DataProducer\XML

Code

public function testXmlXpath() : void {
  $document = $this
    ->loadDocument();
  $result = $this
    ->executeDataProducer('xml_xpath', [
    'dom' => $document,
    'query' => '//div/h1',
  ]);
  $this
    ->assertEquals(1, count($result));
  $this
    ->assertEquals('h1', $result[0]->tagName);
  $result = $this
    ->executeDataProducer('xml_xpath', [
    'dom' => $document,
    'query' => '//div/div/div',
  ]);
  $this
    ->assertEquals(3, count($result));
  $this
    ->assertEquals('div', $result[0]->tagName);
  $this
    ->assertEquals('div', $result[1]->tagName);
  $this
    ->assertEquals('div', $result[2]->tagName);

  // Test that the resolve can accept a DOMElement object too, not only a
  // document root.
  $element = $this
    ->executeDataProducer('xml_xpath', [
    'dom' => $document,
    'query' => '//div/div/span',
  ]);
  $result = $this
    ->executeDataProducer('xml_xpath', [
    'dom' => $element[0],
    'query' => './p',
  ]);
  $this
    ->assertEquals(2, count($result));
  $this
    ->assertEquals('p', $result[0]->tagName);
  $this
    ->assertEquals('p', $result[1]->tagName);

  // Test for non-existent element.
  $result = $this
    ->executeDataProducer('xml_xpath', [
    'dom' => $document,
    'query' => '//div/h2',
  ]);
  $this
    ->assertSame(0, count($result));
}