PageTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\system\Functional\Batch;

use Drupal\Tests\BrowserTestBase;

/**
 * Tests the content of the progress page.
 *
 * @group Batch
 */
class PageTest extends BrowserTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'batch_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests that the batch API progress page uses the correct theme.
     */
    public function testBatchProgressPageTheme() : void {
        // Make sure that the page which starts the batch (an administrative page)
        // is using a different theme than would normally be used by the batch API.
        $this->container
            ->get('theme_installer')
            ->install([
            'claro',
            'olivero',
        ]);
        $this->config('system.theme')
            ->set('default', 'olivero')
            ->set('admin', 'claro')
            ->save();
        // Log in as an administrator who can see the administrative theme.
        $admin_user = $this->drupalCreateUser([
            'view the administration theme',
        ]);
        $this->drupalLogin($admin_user);
        // Visit an administrative page that runs a test batch, and check that the
        // theme that was used during batch execution (which the batch callback
        // function saved as a variable) matches the theme used on the
        // administrative page.
        $this->drupalGet('admin/batch-test/test-theme');
        // The stack should contain the name of the theme used on the progress
        // page.
        $this->assertEquals([
            'claro',
        ], batch_test_stack(), 'A progressive batch correctly uses the theme of the page that started the batch.');
    }
    
    /**
     * Tests that the batch API progress page shows the title correctly.
     */
    public function testBatchProgressPageTitle() : void {
        // Visit an administrative page that runs a test batch, and check that the
        // title shown during batch execution (which the batch callback function
        // saved as a variable) matches the theme used on the administrative page.
        // Run initial step only first.
        $this->maximumMetaRefreshCount = 0;
        $this->drupalGet('batch-test/test-title');
        $this->assertSession()
            ->pageTextContains('Batch Test');
        // Leave the batch process running.
        $this->maximumMetaRefreshCount = NULL;
        $this->drupalGet('batch-test/test-title');
        // The stack should contain the title shown on the progress page.
        $this->assertEquals([
            'Batch Test',
        ], batch_test_stack(), 'The batch title is shown on the batch page.');
        $this->assertSession()
            ->pageTextContains('Redirection successful.');
    }
    
    /**
     * Tests that the progress messages are correct.
     */
    public function testBatchProgressMessages() : void {
        // Go to the initial step only.
        $this->maximumMetaRefreshCount = 0;
        $this->drupalGet('batch-test/test-title');
        // Check that the initial progress message appears correctly and is not
        // double escaped.
        $this->assertSession()
            ->responseContains('<div class="progress__description">Initializing.<br />&nbsp;</div>');
        $this->assertSession()
            ->responseNotContains('&amp;nbsp;');
        // Now also go to the next step.
        $this->maximumMetaRefreshCount = 1;
        $this->drupalGet('batch-test/test-title');
        // Check that the progress message for second step appears correctly.
        $this->assertSession()
            ->responseContains('<div class="progress__description">Completed 1 of 1.</div>');
    }

}