BlockFormInBlockTest.php

<?php

namespace Drupal\Tests\block\Functional;

use Drupal\Component\Utility\Crypt;
use Drupal\Tests\BrowserTestBase;

/**
 * Tests form in block caching.
 *
 * @group block
 */
class BlockFormInBlockTest extends BrowserTestBase {
    
    /**
     * Modules to install.
     *
     * @var array
     */
    public static $modules = [
        'block',
        'block_test',
        'test_page_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'classy';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        // Enable our test block.
        $this->drupalPlaceBlock('test_form_in_block');
    }
    
    /**
     * Test to see if form in block's redirect isn't cached.
     */
    public function testCachePerPage() {
        $form_values = [
            'email' => 'test@example.com',
        ];
        // Go to "test-page" and test if the block is enabled.
        $this->drupalGet('test-page');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertText('Your .com email address.', 'form found');
        // Make sure that we're currently still on /test-page after submitting the
        // form.
        $this->drupalPostForm(NULL, $form_values, t('Submit'));
        $this->assertUrl('test-page');
        $this->assertText(t('Your email address is @email', [
            '@email' => 'test@example.com',
        ]));
        // Go to a different page and see if the block is enabled there as well.
        $this->drupalGet('test-render-title');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertText('Your .com email address.', 'form found');
        // Make sure that submitting the form didn't redirect us to the first page
        // we submitted the form from after submitting the form from
        // /test-render-title.
        $this->drupalPostForm(NULL, $form_values, t('Submit'));
        $this->assertUrl('test-render-title');
        $this->assertText(t('Your email address is @email', [
            '@email' => 'test@example.com',
        ]));
    }
    
    /**
     * Test the actual placeholders
     */
    public function testPlaceholders() {
        $this->drupalGet('test-multiple-forms');
        $placeholder = 'form_action_' . Crypt::hashBase64('Drupal\\Core\\Form\\FormBuilder::prepareForm');
        $this->assertText('Form action: ' . $placeholder, 'placeholder found.');
    }

}