function KernelTestBaseTest::testRenderWithTheme

@covers ::render

File

core/tests/Drupal/KernelTests/KernelTestBaseTest.php, line 217

Class

KernelTestBaseTest

@coversDefaultClass \Drupal\KernelTests\KernelTestBase[[api-linebreak]]

Namespace

Code

public function testRenderWithTheme() : void {
  $this->enableModules([
    'system',
  ]);
  $build = [
    '#type' => 'textfield',
    '#name' => 'test',
  ];
  $expected = '/' . preg_quote('<input type="text" name="test"', '/') . '/';
  $this->assertArrayNotHasKey('theme', $GLOBALS);
  $output = \Drupal::service('renderer')->renderRoot($build);
  $this->assertEquals('core', \Drupal::theme()->getActiveTheme()
    ->getName());
  $this->assertMatchesRegularExpression($expected, (string) $build['#children']);
  $this->assertMatchesRegularExpression($expected, (string) $output);
}