ThemingExampleTest.php

<?php

namespace Drupal\Tests\theming_example\Functional;

use Drupal\Tests\examples\Functional\ExamplesBrowserTestBase;

/**
 * Verify the tablesort functionality.
 *
 * @group tablesort_example
 * @group examples
 *
 * @ingroup tablesort_example
 */
class ThemingExampleTest extends ExamplesBrowserTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'theming_example',
    ];
    
    /**
     * The installation profile to use with this test.
     *
     * We need the 'minimal' profile in order to make sure the Tool block is
     * available.
     *
     * @var string
     */
    protected $profile = 'minimal';
    
    /**
     * Verify the functionality of the example module.
     */
    public function testThemingPage() {
        // No need to login for this test.
        // Check that the main page has been themed (first line with <b>) and has
        // content.
        $this->drupalGet('/examples/theming_example');
        $this->assertSession()
            ->responseContains('Some examples of pages and forms that are run through theme functions.</h1>');
        $this->assertSession()
            ->responseContains('examples/theming_example/form_select">Simple form 1</a>');
        $this->assertSession()
            ->responseContains('examples/theming_example/form_text">Simple form 2</a>');
        // Visit the list demonstration page and check that css gets loaded
        // and do some spot checks on how the two lists were themed.
        $this->drupalGet('/examples/theming_example/list');
        // CSS should be always injected, because preprocess is set to false in *.libraries.yml.
        $this->assertSession()
            ->responseMatches('/<link rel="stylesheet".*theming_example.css/');
        $li_list = $this->xpath('//ul[contains(@class,"render-version-list")]/li');
        $this->assertTrue($li_list[0]->getText() == 'First item');
        $li_list = $this->xpath('//ol[contains(@class,"theming-example-list")]/li');
        $this->assertTrue($li_list[1]->getText() == 'Second item');
        // Visit the select form page to do spot checks.
        $this->drupalGet('/examples/theming_example/form_select');
        // Choice element title should be output separately, as h3 header.
        $this->assertSession()
            ->responseContains('<h3 data-drupal-selector="edit-title">Choose which ordering you want</h3>');
        // Choice element should be wrapped with <strong> tag.
        $this->assertSession()
            ->responseContains('<strong>Choose which ordering you want</strong>');
        // Form elements should be wrapped with container-inline div.
        $this->assertSession()
            ->responseMatches('/<div class="container-inline choice-wrapper"><div class="[a-zA-Z- ]* form-item-choice/');
        $this->assertSession()
            ->responseNotMatches('/<link rel="stylesheet".*theming_example.css/');
        // Visit the text form page and do spot checks.
        $this->drupalGet('/examples/theming_example/form_text');
        $this->assertSession()
            ->pageTextContains('Please input something!');
    }

}