class BlockContentEntityReferenceSelectionTest

class BlockContentEntityReferenceSelectionTest extends KernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'block',
        'block_content',
        'block_content_test',
        'system',
        'user',
    ];
    
    /**
     * The entity type manager.
     *
     * @var \Drupal\Core\Entity\EntityTypeManagerInterface
     */
    protected $entityTypeManager;
    
    /**
     * Test reusable block.
     *
     * @var \Drupal\block_content\BlockContentInterface
     */
    protected $blockReusable;
    
    /**
     * Test non-reusable block.
     *
     * @var \Drupal\block_content\BlockContentInterface
     */
    protected $blockNonReusable;
    
    /**
     * Test selection handler.
     *
     * @var \Drupal\block_content_test\Plugin\EntityReferenceSelection\TestSelection
     */
    protected $selectionHandler;
    
    /**
     * Test block expectations.
     *
     * @var array
     */
    protected $expectations;
    
    /**
     * {@inheritdoc}
     */
    public function setUp() : void {
        parent::setUp();
        $this->installSchema('system', [
            'sequences',
        ]);
        $this->installEntitySchema('user');
        $this->installEntitySchema('block_content');
        // Create a block content type.
        $block_content_type = BlockContentType::create([
            'id' => 'spiffy',
            'label' => 'Mucho spiffy',
            'description' => "Provides a block type that increases your site's spiffiness by up to 11%",
        ]);
        $block_content_type->save();
        $this->entityTypeManager = $this->container
            ->get('entity_type.manager');
        // And reusable block content entities.
        $this->blockReusable = BlockContent::create([
            'info' => 'Reusable Block',
            'type' => 'spiffy',
        ]);
        $this->blockReusable
            ->save();
        $this->blockNonReusable = BlockContent::create([
            'info' => 'Non-reusable Block',
            'type' => 'spiffy',
            'reusable' => FALSE,
        ]);
        $this->blockNonReusable
            ->save();
        $configuration = [
            'target_type' => 'block_content',
            'target_bundles' => [
                'spiffy' => 'spiffy',
            ],
            'sort' => [
                'field' => '_none',
            ],
        ];
        $this->selectionHandler = new TestSelection($configuration, '', '', $this->container
            ->get('entity_type.manager'), $this->container
            ->get('module_handler'), \Drupal::currentUser(), \Drupal::service('entity_field.manager'), \Drupal::service('entity_type.bundle.info'), \Drupal::service('entity.repository'));
        // Setup the 3 expectation cases.
        $this->expectations = [
            'both_blocks' => [
                'spiffy' => [
                    $this->blockReusable
                        ->id() => $this->blockReusable
                        ->label(),
                    $this->blockNonReusable
                        ->id() => $this->blockNonReusable
                        ->label(),
                ],
            ],
            'block_reusable' => [
                'spiffy' => [
                    $this->blockReusable
                        ->id() => $this->blockReusable
                        ->label(),
                ],
            ],
            'block_non_reusable' => [
                'spiffy' => [
                    $this->blockNonReusable
                        ->id() => $this->blockNonReusable
                        ->label(),
                ],
            ],
        ];
    }
    
    /**
     * Tests to make sure queries without the expected tags are not altered.
     *
     * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
     * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
     */
    public function testQueriesNotAltered() {
        // Ensure that queries without all the tags are not altered.
        $query = $this->entityTypeManager
            ->getStorage('block_content')
            ->getQuery()
            ->accessCheck(FALSE);
        $this->assertCount(2, $query->execute());
        $query = $this->entityTypeManager
            ->getStorage('block_content')
            ->getQuery()
            ->accessCheck(FALSE);
        $query->addTag('block_content_access');
        $this->assertCount(2, $query->execute());
        $query = $this->entityTypeManager
            ->getStorage('block_content')
            ->getQuery()
            ->accessCheck(FALSE);
        $query->addTag('entity_query_block_content');
        $this->assertCount(2, $query->execute());
    }
    
    /**
     * Tests with no conditions set.
     *
     * @throws \Drupal\Core\Entity\EntityStorageException
     */
    public function testNoConditions() {
        $this->assertEquals($this->expectations['block_reusable'], $this->selectionHandler
            ->getReferenceableEntities());
        $this->blockNonReusable
            ->setReusable();
        $this->blockNonReusable
            ->save();
        // Ensure that the block is now returned as a referenceable entity.
        $this->assertEquals($this->expectations['both_blocks'], $this->selectionHandler
            ->getReferenceableEntities());
    }
    
    /**
     * Tests setting 'reusable' condition on different levels.
     *
     * @dataProvider fieldConditionProvider
     *
     * @throws \Exception
     */
    public function testFieldConditions($condition_type, $is_reusable) {
        $this->selectionHandler
            ->setTestMode($condition_type, $is_reusable);
        $this->assertEquals($is_reusable ? $this->expectations['block_reusable'] : $this->expectations['block_non_reusable'], $this->selectionHandler
            ->getReferenceableEntities());
    }
    
    /**
     * Provides possible fields and condition types.
     */
    public function fieldConditionProvider() {
        $cases = [];
        foreach ([
            'base',
            'group',
            'nested_group',
        ] as $condition_type) {
            foreach ([
                TRUE,
                FALSE,
            ] as $reusable) {
                $cases["{$condition_type}:" . ($reusable ? 'reusable' : 'non-reusable')] = [
                    $condition_type,
                    $reusable,
                ];
            }
        }
        return $cases;
    }

}