function TwigExtensionTest::testActiveTheme

Tests the active_theme function.

File

core/tests/Drupal/Tests/Core/Template/TwigExtensionTest.php, line 151

Class

TwigExtensionTest

Tests the twig extension.

Namespace

Code

public function testActiveTheme() : void {
  $active_theme = $this->getMockBuilder('\\Drupal\\Core\\Theme\\ActiveTheme')
    ->disableOriginalConstructor()
    ->getMock();
  $active_theme->expects($this->once())
    ->method('getName')
    ->willReturn('test_theme');
  $this->themeManager
    ->expects($this->once())
    ->method('getActiveTheme')
    ->willReturn($active_theme);
  $loader = new StringLoader();
  $twig = new Environment($loader);
  $twig->addExtension($this->systemUnderTest);
  $result = $twig->render('{{ active_theme() }}');
  $this->assertEquals('test_theme', $result);
}