ThemeNegotiatorTest.php in Drupal 8

Namespace

Drupal\Tests\Core\Theme

File

core/tests/Drupal/Tests/Core/Theme/ThemeNegotiatorTest.php

<?php

namespace Drupal\Tests\Core\Theme;

use Drupal\Core\DependencyInjection\ClassResolver;
use Drupal\Core\DependencyInjection\ContainerBuilder;
use Drupal\Core\Routing\RouteMatch;
use Drupal\Core\Theme\ThemeNegotiator;
use Drupal\Tests\UnitTestCase;
use Symfony\Component\Routing\Route;

/**
 * @coversDefaultClass \Drupal\Core\Theme\ThemeNegotiator
 * @group Theme
 */
class ThemeNegotiatorTest extends UnitTestCase {

  /**
   * The mocked theme access checker.
   *
   * @var \Drupal\Core\Theme\ThemeAccessCheck|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $themeAccessCheck;

  /**
   * The container builder.
   *
   * @var \Drupal\Core\DependencyInjection\ContainerBuilder
   */
  protected $container;

  /**
   * The request stack.
   *
   * @var \Symfony\Component\HttpFoundation\RequestStack
   */
  protected $requestStack;

  /**
   * The actual tested theme negotiator.
   *
   * @var \Drupal\Core\Theme\ThemeNegotiator
   */
  protected $themeNegotiator;

  /**
   * {@inheritdoc}
   */
  protected function setUp() {
    $this->themeAccessCheck = $this
      ->getMockBuilder('\\Drupal\\Core\\Theme\\ThemeAccessCheck')
      ->disableOriginalConstructor()
      ->getMock();
    $this->container = new ContainerBuilder();
  }

  /**
   * Tests determining the theme.
   *
   * @see \Drupal\Core\Theme\ThemeNegotiator::determineActiveTheme()
   */
  public function testDetermineActiveTheme() {
    $negotiator = $this
      ->createMock('Drupal\\Core\\Theme\\ThemeNegotiatorInterface');
    $negotiator
      ->expects($this
      ->once())
      ->method('determineActiveTheme')
      ->will($this
      ->returnValue('example_test'));
    $negotiator
      ->expects($this
      ->once())
      ->method('applies')
      ->will($this
      ->returnValue(TRUE));
    $this->container
      ->set('test_negotiator', $negotiator);
    $negotiators = [
      'test_negotiator',
    ];
    $this->themeAccessCheck
      ->expects($this
      ->any())
      ->method('checkAccess')
      ->will($this
      ->returnValue(TRUE));
    $route_match = new RouteMatch('test_route', new Route('/test-route'), [], []);
    $theme = $this
      ->createThemeNegotiator($negotiators)
      ->determineActiveTheme($route_match);
    $this
      ->assertEquals('example_test', $theme);
  }

  /**
   * Tests determining with two negotiators checking the priority.
   *
   * @see \Drupal\Core\Theme\ThemeNegotiator::determineActiveTheme()
   */
  public function testDetermineActiveThemeWithPriority() {
    $negotiators = [];
    $negotiator = $this
      ->createMock('Drupal\\Core\\Theme\\ThemeNegotiatorInterface');
    $negotiator
      ->expects($this
      ->once())
      ->method('determineActiveTheme')
      ->will($this
      ->returnValue('example_test'));
    $negotiator
      ->expects($this
      ->once())
      ->method('applies')
      ->will($this
      ->returnValue(TRUE));
    $negotiators['test_negotiator_1'] = $negotiator;
    $negotiator = $this
      ->createMock('Drupal\\Core\\Theme\\ThemeNegotiatorInterface');
    $negotiator
      ->expects($this
      ->never())
      ->method('determineActiveTheme');
    $negotiator
      ->expects($this
      ->never())
      ->method('applies');
    $negotiators['test_negotiator_2'] = $negotiator;
    foreach ($negotiators as $id => $negotiator) {
      $this->container
        ->set($id, $negotiator);
    }
    $this->themeAccessCheck
      ->expects($this
      ->any())
      ->method('checkAccess')
      ->will($this
      ->returnValue(TRUE));
    $route_match = new RouteMatch('test_route', new Route('/test-route'), [], []);
    $theme = $this
      ->createThemeNegotiator(array_keys($negotiators))
      ->determineActiveTheme($route_match);
    $this
      ->assertEquals('example_test', $theme);
  }

  /**
   * Tests determining with two negotiators of which just one returns access.
   *
   * @see \Drupal\Core\Theme\ThemeNegotiator::determineActiveTheme()
   */
  public function testDetermineActiveThemeWithAccessCheck() {
    $negotiators = [];
    $negotiator = $this
      ->createMock('Drupal\\Core\\Theme\\ThemeNegotiatorInterface');
    $negotiator
      ->expects($this
      ->once())
      ->method('determineActiveTheme')
      ->will($this
      ->returnValue('example_test'));
    $negotiator
      ->expects($this
      ->once())
      ->method('applies')
      ->will($this
      ->returnValue(TRUE));
    $negotiators['test_negotiator_1'] = $negotiator;
    $negotiator = $this
      ->createMock('Drupal\\Core\\Theme\\ThemeNegotiatorInterface');
    $negotiator
      ->expects($this
      ->once())
      ->method('determineActiveTheme')
      ->will($this
      ->returnValue('example_test2'));
    $negotiator
      ->expects($this
      ->once())
      ->method('applies')
      ->will($this
      ->returnValue(TRUE));
    $negotiators['test_negotiator_2'] = $negotiator;
    foreach ($negotiators as $id => $negotiator) {
      $this->container
        ->set($id, $negotiator);
    }
    $this->themeAccessCheck
      ->expects($this
      ->at(0))
      ->method('checkAccess')
      ->with('example_test')
      ->will($this
      ->returnValue(FALSE));
    $this->themeAccessCheck
      ->expects($this
      ->at(1))
      ->method('checkAccess')
      ->with('example_test2')
      ->will($this
      ->returnValue(TRUE));
    $route_match = new RouteMatch('test_route', new Route('/test-route'), [], []);
    $theme = $this
      ->createThemeNegotiator(array_keys($negotiators))
      ->determineActiveTheme($route_match);
    $this
      ->assertEquals('example_test2', $theme);
  }

  /**
   * Tests determining with two negotiators of which one does not apply.
   *
   * @see \Drupal\Core\Theme\ThemeNegotiatorInterface
   */
  public function testDetermineActiveThemeWithNotApplyingNegotiator() {
    $negotiators = [];
    $negotiator = $this
      ->createMock('Drupal\\Core\\Theme\\ThemeNegotiatorInterface');
    $negotiator
      ->expects($this
      ->never())
      ->method('determineActiveTheme');
    $negotiator
      ->expects($this
      ->once())
      ->method('applies')
      ->will($this
      ->returnValue(FALSE));
    $negotiators['test_negotiator_1'] = $negotiator;
    $negotiator = $this
      ->createMock('Drupal\\Core\\Theme\\ThemeNegotiatorInterface');
    $negotiator
      ->expects($this
      ->once())
      ->method('determineActiveTheme')
      ->will($this
      ->returnValue('example_test2'));
    $negotiator
      ->expects($this
      ->once())
      ->method('applies')
      ->will($this
      ->returnValue(TRUE));
    $negotiators['test_negotiator_2'] = $negotiator;
    foreach ($negotiators as $id => $negotiator) {
      $this->container
        ->set($id, $negotiator);
    }
    $this->themeAccessCheck
      ->expects($this
      ->any())
      ->method('checkAccess')
      ->will($this
      ->returnValue(TRUE));
    $route_match = new RouteMatch('test_route', new Route('/test-route'), [], []);
    $theme = $this
      ->createThemeNegotiator(array_keys($negotiators))
      ->determineActiveTheme($route_match);
    $this
      ->assertEquals('example_test2', $theme);
  }

  /**
   * Creates a new theme negotiator instance.
   *
   * @param array $negotiators
   *   An array of negotiator IDs.
   *
   * @return \Drupal\Core\Theme\ThemeNegotiator
   */
  protected function createThemeNegotiator(array $negotiators) {
    $resolver = new ClassResolver();
    $resolver
      ->setContainer($this->container);
    $theme_negotiator = new ThemeNegotiator($this->themeAccessCheck, $resolver, $negotiators);
    return $theme_negotiator;
  }

}

Classes

Name	Description
ThemeNegotiatorTest	@coversDefaultClass \Drupal\Core\Theme\ThemeNegotiator @group Theme