function KernelTestBaseTest::testRenderWithTheme

@covers ::render

File

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

Class

KernelTestBaseTest

@coversDefaultClass \Drupal\KernelTests\KernelTestBase

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);
}