class LatestRevisionCheckTest

class LatestRevisionCheckTest extends UnitTestCase {
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Initialize Drupal container since the cache context manager is needed.
        $contexts_manager = $this->prophesize(CacheContextsManager::class);
        $contexts_manager->assertValidTokens(Argument::any())
            ->willReturn(TRUE);
        $builder = new ContainerBuilder();
        $builder->set('cache_contexts_manager', $contexts_manager->reveal());
        \Drupal::setContainer($builder);
    }
    
    /**
     * Tests the access check of the LatestRevisionCheck service.
     *
     * @param string $entity_class
     *   The class of the entity to mock.
     * @param string $entity_type
     *   The machine name of the entity to mock.
     * @param bool $has_pending_revision
     *   Whether this entity should have a pending revision in the system.
     * @param array $account_permissions
     *   An array of permissions the account has.
     * @param bool $is_owner
     *   Indicates if the user should be the owner of the entity.
     * @param string $result_class
     *   The AccessResult class that should result. One of AccessResultAllowed,
     *   AccessResultForbidden, AccessResultNeutral.
     *
     * @dataProvider accessSituationProvider
     */
    public function testLatestAccessPermissions($entity_class, $entity_type, $has_pending_revision, array $account_permissions, $is_owner, $result_class) : void {
        
        /** @var \Drupal\Core\Session\AccountInterface $account */
        $account = $this->prophesize(AccountInterface::class);
        $possible_permissions = [
            'view latest version',
            'view any unpublished content',
            'view own unpublished content',
        ];
        foreach ($possible_permissions as $permission) {
            $account->hasPermission($permission)
                ->willReturn(in_array($permission, $account_permissions));
        }
        $account->id()
            ->willReturn(42);
        
        /** @var \Drupal\Core\Entity\EntityInterface $entity */
        $entity = $this->prophesize($entity_class);
        $entity->getCacheContexts()
            ->willReturn([]);
        $entity->getCacheTags()
            ->willReturn([]);
        $entity->getCacheMaxAge()
            ->willReturn(0);
        if (is_subclass_of($entity_class, EntityOwnerInterface::class)) {
            $entity->getOwnerId()
                ->willReturn($is_owner ? 42 : 3);
        }
        
        /** @var \Drupal\content_moderation\ModerationInformation $mod_info */
        $mod_info = $this->prophesize(ModerationInformation::class);
        $mod_info->hasPendingRevision($entity->reveal())
            ->willReturn($has_pending_revision);
        $route = $this->prophesize(Route::class);
        $route->getOption('_content_moderation_entity_type')
            ->willReturn($entity_type);
        $route_match = $this->prophesize(RouteMatch::class);
        $route_match->getParameter($entity_type)
            ->willReturn($entity->reveal());
        $lrc = new LatestRevisionCheck($mod_info->reveal());
        
        /** @var \Drupal\Core\Access\AccessResult $result */
        $result = $lrc->access($route->reveal(), $route_match->reveal(), $account->reveal());
        $this->assertInstanceOf($result_class, $result);
    }
    
    /**
     * Data provider for testLastAccessPermissions().
     */
    public static function accessSituationProvider() {
        return [
            // Node with global permissions and latest version.
[
                Node::class,
                'node',
                TRUE,
                [
                    'view latest version',
                    'view any unpublished content',
                ],
                FALSE,
                AccessResultAllowed::class,
            ],
            // Node with global permissions and no latest version.
[
                Node::class,
                'node',
                FALSE,
                [
                    'view latest version',
                    'view any unpublished content',
                ],
                FALSE,
                AccessResultForbidden::class,
            ],
            // Node with own content permissions and latest version.
[
                Node::class,
                'node',
                TRUE,
                [
                    'view latest version',
                    'view own unpublished content',
                ],
                TRUE,
                AccessResultAllowed::class,
            ],
            // Node with own content permissions and no latest version.
[
                Node::class,
                'node',
                FALSE,
                [
                    'view latest version',
                    'view own unpublished content',
                ],
                FALSE,
                AccessResultForbidden::class,
            ],
            // Node with own content permissions and latest version, but no perms to
            // view latest version.
[
                Node::class,
                'node',
                TRUE,
                [
                    'view own unpublished content',
                ],
                TRUE,
                AccessResultNeutral::class,
            ],
            // Node with own content permissions and no latest version, but no perms
            // to view latest version.
[
                Node::class,
                'node',
                TRUE,
                [
                    'view own unpublished content',
                ],
                FALSE,
                AccessResultNeutral::class,
            ],
            // Block with pending revision, and permissions to view any.
[
                BlockContent::class,
                'block_content',
                TRUE,
                [
                    'view latest version',
                    'view any unpublished content',
                ],
                FALSE,
                AccessResultAllowed::class,
            ],
            // Block with no pending revision.
[
                BlockContent::class,
                'block_content',
                FALSE,
                [
                    'view latest version',
                    'view any unpublished content',
                ],
                FALSE,
                AccessResultForbidden::class,
            ],
            // Block with pending revision, but no permission to view any.
[
                BlockContent::class,
                'block_content',
                TRUE,
                [
                    'view latest version',
                    'view own unpublished content',
                ],
                FALSE,
                AccessResultNeutral::class,
            ],
            // Block with no pending revision.
[
                BlockContent::class,
                'block_content',
                FALSE,
                [
                    'view latest version',
                    'view own unpublished content',
                ],
                FALSE,
                AccessResultForbidden::class,
            ],
        ];
    }

}