ThemeInstallerTest.php in Drupal 8

Namespace

Drupal\KernelTests\Core\Theme

File

core/tests/Drupal/KernelTests/Core/Theme/ThemeInstallerTest.php

<?php

namespace Drupal\KernelTests\Core\Theme;

use Drupal\Core\DependencyInjection\ContainerBuilder;
use Drupal\Core\Extension\ExtensionNameLengthException;
use Drupal\Core\Extension\MissingDependencyException;
use Drupal\Core\Extension\ModuleUninstallValidatorException;
use Drupal\Core\Extension\Exception\UnknownExtensionException;
use Drupal\KernelTests\KernelTestBase;

/**
 * Tests installing and uninstalling of themes.
 *
 * @group Extension
 */
class ThemeInstallerTest extends KernelTestBase {

  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = [
    'system',
  ];

  /**
   * {@inheritdoc}
   */
  public function register(ContainerBuilder $container) {
    parent::register($container);

    // Some test methods involve ModuleHandler operations, which attempt to
    // rebuild and dump routes.
    $container
      ->register('router.dumper', 'Drupal\\Core\\Routing\\NullMatcherDumper');
  }
  protected function setUp() {
    parent::setUp();
    $this
      ->installConfig([
      'system',
    ]);
  }

  /**
   * Verifies that no themes are installed by default.
   */
  public function testEmpty() {
    $this
      ->assertEmpty($this
      ->extensionConfig()
      ->get('theme'));
    $this
      ->assertEmpty(array_keys($this
      ->themeHandler()
      ->listInfo()));
    $this
      ->assertEmpty(array_keys(\Drupal::service('theme_handler')
      ->listInfo()));

    // Rebuilding available themes should always yield results though.
    $this
      ->assertNotEmpty($this
      ->themeHandler()
      ->rebuildThemeData()['stark'], 'ThemeHandler::rebuildThemeData() yields all available themes.');

    // theme_get_setting() should return global default theme settings.
    $this
      ->assertIdentical(theme_get_setting('features.favicon'), TRUE);
  }

  /**
   * Tests installing a theme.
   */
  public function testInstall() {
    $name = 'test_basetheme';
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertFalse(isset($themes[$name]));
    $this
      ->themeInstaller()
      ->install([
      $name,
    ]);
    $this
      ->assertIdentical($this
      ->extensionConfig()
      ->get("theme.{$name}"), 0);
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertTrue(isset($themes[$name]));
    $this
      ->assertEqual($themes[$name]
      ->getName(), $name);

    // Verify that test_basetheme.settings is active.
    $this
      ->assertIdentical(theme_get_setting('features.favicon', $name), FALSE);
    $this
      ->assertEqual(theme_get_setting('base', $name), 'only');
    $this
      ->assertEqual(theme_get_setting('override', $name), 'base');
  }

  /**
   * Tests installing a sub-theme.
   */
  public function testInstallSubTheme() {
    $name = 'test_subtheme';
    $base_name = 'test_basetheme';
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertEmpty(array_keys($themes));
    $this
      ->themeInstaller()
      ->install([
      $name,
    ]);
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertTrue(isset($themes[$name]));
    $this
      ->assertTrue(isset($themes[$base_name]));
    $this
      ->themeInstaller()
      ->uninstall([
      $name,
    ]);
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertFalse(isset($themes[$name]));
    $this
      ->assertTrue(isset($themes[$base_name]));
  }

  /**
   * Tests installing a non-existing theme.
   */
  public function testInstallNonExisting() {
    $name = 'non_existing_theme';
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertEmpty(array_keys($themes));
    try {
      $message = 'ThemeInstaller::install() throws UnknownExtensionException upon installing a non-existing theme.';
      $this
        ->themeInstaller()
        ->install([
        $name,
      ]);
      $this
        ->fail($message);
    } catch (\Exception $e) {
      $this
        ->assertInstanceOf(UnknownExtensionException::class, $e);
    }
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertEmpty(array_keys($themes));
  }

  /**
   * Tests installing a theme with a too long name.
   */
  public function testInstallNameTooLong() {
    $name = 'test_theme_having_veery_long_name_which_is_too_long';
    try {
      $message = 'ThemeInstaller::install() throws ExtensionNameLengthException upon installing a theme with a too long name.';
      $this
        ->themeInstaller()
        ->install([
        $name,
      ]);
      $this
        ->fail($message);
    } catch (\Exception $e) {
      $this
        ->assertInstanceOf(ExtensionNameLengthException::class, $e);
    }
  }

  /**
   * Tests installing a theme with unmet module dependencies.
   *
   * @dataProvider providerTestInstallThemeWithUnmetModuleDependencies
   */
  public function testInstallThemeWithUnmetModuleDependencies($theme_name, $installed_modules, $message) {
    $this->container
      ->get('module_installer')
      ->install($installed_modules);
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertEmpty($themes);
    $this
      ->expectException(MissingDependencyException::class);
    $this
      ->expectExceptionMessage($message);
    $this
      ->themeInstaller()
      ->install([
      $theme_name,
    ]);
  }

  /**
   * Data provider for testInstallThemeWithUnmetModuleDependencies().
   */
  public function providerTestInstallThemeWithUnmetModuleDependencies() {
    return [
      'theme with uninstalled module dependencies' => [
        'test_theme_depending_on_modules',
        [],
        "Unable to install theme: 'test_theme_depending_on_modules' due to unmet module dependencies: 'test_module_required_by_theme, test_another_module_required_by_theme'.",
      ],
      'theme with a base theme with uninstalled module dependencies' => [
        'test_theme_with_a_base_theme_depending_on_modules',
        [],
        "Unable to install theme: 'test_theme_with_a_base_theme_depending_on_modules' due to unmet module dependencies: 'test_module_required_by_theme, test_another_module_required_by_theme'.",
      ],
      'theme and base theme have uninstalled module dependencies' => [
        'test_theme_mixed_module_dependencies',
        [],
        "Unable to install theme: 'test_theme_mixed_module_dependencies' due to unmet module dependencies: 'help, test_module_required_by_theme, test_another_module_required_by_theme'.",
      ],
      'theme with already installed module dependencies, base theme module dependencies are not installed' => [
        'test_theme_mixed_module_dependencies',
        [
          'help',
        ],
        "Unable to install theme: 'test_theme_mixed_module_dependencies' due to unmet module dependencies: 'test_module_required_by_theme, test_another_module_required_by_theme'.",
      ],
      'theme with module dependencies not installed, base theme module dependencies are already installed, ' => [
        'test_theme_mixed_module_dependencies',
        [
          'test_module_required_by_theme',
          'test_another_module_required_by_theme',
        ],
        "Unable to install theme: 'test_theme_mixed_module_dependencies' due to unmet module dependencies: 'help'.",
      ],
      'theme depending on a module that does not exist' => [
        'test_theme_depending_on_nonexisting_module',
        [],
        "Unable to install theme: 'test_theme_depending_on_nonexisting_module' due to unmet module dependencies: 'test_module_non_existing",
      ],
      'theme depending on an installed but incompatible module' => [
        'test_theme_depending_on_constrained_modules',
        [
          'test_module_compatible_constraint',
          'test_module_incompatible_constraint',
        ],
        "Unable to install theme: Test Module Theme Depends on with Incompatible Constraint (>=8.x-2.x) (incompatible with version 8.x-1.8)",
      ],
    ];
  }

  /**
   * Tests installing a theme with module dependencies that are met.
   */
  public function testInstallThemeWithMetModuleDependencies() {
    $name = 'test_theme_depending_on_modules';
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertArrayNotHasKey($name, $themes);
    $this->container
      ->get('module_installer')
      ->install([
      'test_module_required_by_theme',
      'test_another_module_required_by_theme',
    ]);
    $this
      ->themeInstaller()
      ->install([
      $name,
    ]);
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertArrayHasKey($name, $themes);
    $this
      ->expectException(ModuleUninstallValidatorException::class);
    $this
      ->expectExceptionMessage('The following reasons prevent the modules from being uninstalled: Required by the theme: Test Theme Depending on Modules');
    $this->container
      ->get('module_installer')
      ->uninstall([
      'test_module_required_by_theme',
    ]);
  }

  /**
   * Tests uninstalling the default theme.
   */
  public function testUninstallDefault() {
    $name = 'stark';
    $other_name = 'bartik';
    $this
      ->themeInstaller()
      ->install([
      $name,
      $other_name,
    ]);
    $this
      ->config('system.theme')
      ->set('default', $name)
      ->save();
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertTrue(isset($themes[$name]));
    $this
      ->assertTrue(isset($themes[$other_name]));
    try {
      $message = 'ThemeInstaller::uninstall() throws InvalidArgumentException upon disabling default theme.';
      $this
        ->themeInstaller()
        ->uninstall([
        $name,
      ]);
      $this
        ->fail($message);
    } catch (\Exception $e) {
      $this
        ->assertInstanceOf(\InvalidArgumentException::class, $e);
    }
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertTrue(isset($themes[$name]));
    $this
      ->assertTrue(isset($themes[$other_name]));
  }

  /**
   * Tests uninstalling the admin theme.
   */
  public function testUninstallAdmin() {
    $name = 'stark';
    $other_name = 'bartik';
    $this
      ->themeInstaller()
      ->install([
      $name,
      $other_name,
    ]);
    $this
      ->config('system.theme')
      ->set('admin', $name)
      ->save();
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertTrue(isset($themes[$name]));
    $this
      ->assertTrue(isset($themes[$other_name]));
    try {
      $message = 'ThemeInstaller::uninstall() throws InvalidArgumentException upon disabling admin theme.';
      $this
        ->themeInstaller()
        ->uninstall([
        $name,
      ]);
      $this
        ->fail($message);
    } catch (\Exception $e) {
      $this
        ->assertInstanceOf(\InvalidArgumentException::class, $e);
    }
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertTrue(isset($themes[$name]));
    $this
      ->assertTrue(isset($themes[$other_name]));
  }

  /**
   * Tests uninstalling a sub-theme.
   */
  public function testUninstallSubTheme() {
    $name = 'test_subtheme';
    $base_name = 'test_basetheme';
    $this
      ->themeInstaller()
      ->install([
      $name,
    ]);
    $this
      ->themeInstaller()
      ->uninstall([
      $name,
    ]);
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertFalse(isset($themes[$name]));
    $this
      ->assertTrue(isset($themes[$base_name]));
  }

  /**
   * Tests uninstalling a base theme before its sub-theme.
   */
  public function testUninstallBaseBeforeSubTheme() {
    $name = 'test_basetheme';
    $sub_name = 'test_subtheme';
    $this
      ->themeInstaller()
      ->install([
      $sub_name,
    ]);
    try {
      $message = 'ThemeInstaller::install() throws InvalidArgumentException upon uninstalling base theme before sub theme.';
      $this
        ->themeInstaller()
        ->uninstall([
        $name,
      ]);
      $this
        ->fail($message);
    } catch (\Exception $e) {
      $this
        ->assertInstanceOf(\InvalidArgumentException::class, $e);
    }
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertTrue(isset($themes[$name]));
    $this
      ->assertTrue(isset($themes[$sub_name]));

    // Verify that uninstalling both at the same time works.
    $this
      ->themeInstaller()
      ->uninstall([
      $name,
      $sub_name,
    ]);
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertFalse(isset($themes[$name]));
    $this
      ->assertFalse(isset($themes[$sub_name]));
  }

  /**
   * Tests uninstalling a non-existing theme.
   */
  public function testUninstallNonExisting() {
    $name = 'non_existing_theme';
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertEmpty(array_keys($themes));
    try {
      $message = 'ThemeInstaller::uninstall() throws UnknownExtensionException upon uninstalling a non-existing theme.';
      $this
        ->themeInstaller()
        ->uninstall([
        $name,
      ]);
      $this
        ->fail($message);
    } catch (\Exception $e) {
      $this
        ->assertInstanceOf(UnknownExtensionException::class, $e);
    }
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertEmpty(array_keys($themes));
  }

  /**
   * Tests uninstalling a theme.
   */
  public function testUninstall() {
    $name = 'test_basetheme';
    $this
      ->themeInstaller()
      ->install([
      $name,
    ]);
    $this
      ->assertNotEmpty($this
      ->config("{$name}.settings")
      ->get());
    $this
      ->themeInstaller()
      ->uninstall([
      $name,
    ]);
    $this
      ->assertEmpty(array_keys($this
      ->themeHandler()
      ->listInfo()));
    $this
      ->assertEmpty($this
      ->config("{$name}.settings")
      ->get());

    // Ensure that the uninstalled theme can be installed again.
    $this
      ->themeInstaller()
      ->install([
      $name,
    ]);
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertTrue(isset($themes[$name]));
    $this
      ->assertEqual($themes[$name]
      ->getName(), $name);
    $this
      ->assertNotEmpty($this
      ->config("{$name}.settings")
      ->get());
  }

  /**
   * Tests uninstalling a theme that is not installed.
   */
  public function testUninstallNotInstalled() {
    $name = 'test_basetheme';
    try {
      $message = 'ThemeInstaller::uninstall() throws UnknownExtensionException upon uninstalling a theme that is not installed.';
      $this
        ->themeInstaller()
        ->uninstall([
        $name,
      ]);
      $this
        ->fail($message);
    } catch (\Exception $e) {
      $this
        ->assertInstanceOf(UnknownExtensionException::class, $e);
    }
  }

  /**
   * Tests that theme info can be altered by a module.
   *
   * @see module_test_system_info_alter()
   */
  public function testThemeInfoAlter() {
    $name = 'seven';
    $this->container
      ->get('state')
      ->set('module_test.hook_system_info_alter', TRUE);
    $this
      ->themeInstaller()
      ->install([
      $name,
    ]);
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertFalse(isset($themes[$name]->info['regions']['test_region']));

    // Install module_test.
    $this
      ->moduleInstaller()
      ->install([
      'module_test',
    ], FALSE);
    $this
      ->assertTrue($this
      ->moduleHandler()
      ->moduleExists('module_test'));
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertTrue(isset($themes[$name]->info['regions']['test_region']));

    // Legacy assertions.
    // @todo Remove once theme initialization/info has been modernized.
    // @see https://www.drupal.org/node/2228093
    $info = \Drupal::service('extension.list.theme')
      ->getExtensionInfo($name);
    $this
      ->assertTrue(isset($info['regions']['test_region']));
    $regions = system_region_list($name);
    $this
      ->assertTrue(isset($regions['test_region']));
    $theme_list = \Drupal::service('theme_handler')
      ->listInfo();
    $this
      ->assertTrue(isset($theme_list[$name]->info['regions']['test_region']));
    $this
      ->moduleInstaller()
      ->uninstall([
      'module_test',
    ]);
    $this
      ->assertFalse($this
      ->moduleHandler()
      ->moduleExists('module_test'));
    $themes = $this
      ->themeHandler()
      ->listInfo();
    $this
      ->assertFalse(isset($themes[$name]->info['regions']['test_region']));

    // Legacy assertions.
    // @todo Remove once theme initialization/info has been modernized.
    // @see https://www.drupal.org/node/2228093
    $info = \Drupal::service('extension.list.theme')
      ->getExtensionInfo($name);
    $this
      ->assertFalse(isset($info['regions']['test_region']));
    $regions = system_region_list($name);
    $this
      ->assertFalse(isset($regions['test_region']));
    $theme_list = \Drupal::service('theme_handler')
      ->listInfo();
    $this
      ->assertFalse(isset($theme_list[$name]->info['regions']['test_region']));
  }

  /**
   * Returns the theme handler service.
   *
   * @return \Drupal\Core\Extension\ThemeHandlerInterface
   */
  protected function themeHandler() {
    return $this->container
      ->get('theme_handler');
  }

  /**
   * Returns the theme installer service.
   *
   * @return \Drupal\Core\Extension\ThemeInstallerInterface
   */
  protected function themeInstaller() {
    return $this->container
      ->get('theme_installer');
  }

  /**
   * Returns the system.theme config object.
   *
   * @return \Drupal\Core\Config\Config
   */
  protected function extensionConfig() {
    return $this
      ->config('core.extension');
  }

  /**
   * Returns the ModuleHandler.
   *
   * @return \Drupal\Core\Extension\ModuleHandlerInterface
   */
  protected function moduleHandler() {
    return $this->container
      ->get('module_handler');
  }

  /**
   * Returns the ModuleInstaller.
   *
   * @return \Drupal\Core\Extension\ModuleInstallerInterface
   */
  protected function moduleInstaller() {
    return $this->container
      ->get('module_installer');
  }

}

Classes

Name	Description
ThemeInstallerTest	Tests installing and uninstalling of themes.