PageEditTest.php

<?php

namespace Drupal\Tests\block_content\Functional;

use Drupal\Component\Render\FormattableMarkup;
use Drupal\block_content\Entity\BlockContent;

/**
 * Create a block and test block edit functionality.
 *
 * @group block_content
 */
class PageEditTest extends BlockContentTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    protected function setUp() {
        parent::setUp();
        $this->drupalPlaceBlock('page_title_block');
    }
    
    /**
     * Checks block edit functionality.
     */
    public function testPageEdit() {
        $this->drupalLogin($this->adminUser);
        $title_key = 'info[0][value]';
        $body_key = 'body[0][value]';
        // Create block to edit.
        $edit = [];
        $edit['info[0][value]'] = mb_strtolower($this->randomMachineName(8));
        $edit[$body_key] = $this->randomMachineName(16);
        $this->drupalPostForm('block/add/basic', $edit, t('Save'));
        // Check that the block exists in the database.
        $blocks = \Drupal::entityQuery('block_content')->condition('info', $edit['info[0][value]'])
            ->execute();
        $block = BlockContent::load(reset($blocks));
        $this->assertNotEmpty($block, 'Custom block found in database.');
        // Load the edit page.
        $this->drupalGet('block/' . $block->id());
        $this->assertFieldByName($title_key, $edit[$title_key], 'Title field displayed.');
        $this->assertFieldByName($body_key, $edit[$body_key], 'Body field displayed.');
        // Edit the content of the block.
        $edit = [];
        $edit[$title_key] = $this->randomMachineName(8);
        $edit[$body_key] = $this->randomMachineName(16);
        // Stay on the current page, without reloading.
        $this->drupalPostForm(NULL, $edit, t('Save'));
        // Edit the same block, creating a new revision.
        $this->drupalGet("block/" . $block->id());
        $edit = [];
        $edit['info[0][value]'] = $this->randomMachineName(8);
        $edit[$body_key] = $this->randomMachineName(16);
        $edit['revision'] = TRUE;
        $this->drupalPostForm(NULL, $edit, t('Save'));
        // Ensure that the block revision has been created.
        \Drupal::entityTypeManager()->getStorage('block_content')
            ->resetCache([
            $block->id(),
        ]);
        $revised_block = BlockContent::load($block->id());
        $this->assertNotIdentical($block->getRevisionId(), $revised_block->getRevisionId(), 'A new revision has been created.');
        // Test deleting the block.
        $this->drupalGet("block/" . $revised_block->id());
        $this->clickLink(t('Delete'));
        $this->assertText(new FormattableMarkup('Are you sure you want to delete the custom block @label?', [
            '@label' => $revised_block->label(),
        ]));
    }

}