MathjaxWebTest.php in MathJax: LaTeX for Drupal 3.0.x

Namespace

Drupal\Tests\mathjax\Functional

File

tests/src/Functional/MathjaxWebTest.php

<?php

namespace Drupal\Tests\mathjax\Functional;

use Drupal\Tests\BrowserTestBase;
use Drupal\Tests\user\Traits\UserCreationTrait;
use Drupal;

/**
 * Configuration test case for the module.
 *
 * @group MathJax
 */
class MathjaxWebTest extends BrowserTestBase {
  use UserCreationTrait;

  /**
   * An administrator.
   *
   * @var \Drupal\user\UserInterface
   */
  protected $administrator;

  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';

  /**
   * Provide info on these tests to the admin interface.
   */
  public static function getInfo() {
    return [
      'name' => 'MathJax tests',
      'description' => 'Tests the default configuration and admin functions.',
      'group' => 'MathJax',
    ];
  }

  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = [
    'mathjax',
    'filter',
  ];

  /**
   * Set up the test environment.
   */
  protected function setUp() : void {
    parent::setUp();
    $this->administrator = $this
      ->drupalCreateUser([
      'administer mathjax',
      'administer filters',
      'access site reports',
      'access administration pages',
      'administer site configuration',
    ]);
  }

  /**
   * Test the administration functions.
   */
  public function testAdmin() {
    $config = Drupal::config('mathjax.settings');
    $this
      ->drupalLogin($this->administrator);
    $this
      ->drupalGet('admin/config');
    $this
      ->assertText('Configure global settings for MathJax.');
    $this
      ->drupalGet('admin/config/content/formats/add');
    $this
      ->assertText('Mathematics inside the configured delimiters is rendered by MathJax');
    $this
      ->drupalGet('admin/config/content/mathjax');
    $this
      ->assertTitle('MathJax | Drupal');
    $this
      ->assertText('MathJax CDN URL');
    $this
      ->assertFieldByName('cdn_url', $config
      ->get('cdn_url'));
    $this
      ->assertText('Enter the MathJax CDN url here or leave it unchanged to use the one provided by www.mathjax.org.');
    $this
      ->assertText('Configuration Type');
    $this
      ->assertFieldByName('config_type', 0);
    $custom = '{"tex2jax":{"inlineMath":[["#","#"],["\\(","\\)"]],"processEscapes":"true"},"showProcessingMessages":"false","messageStyle":"none"}';
    $path = 'admin/config/content/mathjax';
    $edit = [
      'config_type' => 1,
      'config_string' => $custom,
    ];
    $this
      ->drupalPostForm($path, $edit, t('Save configuration'));
    $this
      ->assertText('Enter a JSON configuration string as documented');
    $this
      ->assertRaw(htmlentities($custom));
  }

  /**
   * Tests the detection of MathJax libraries.
   */
  public function testLibraryDetection() {
    $this
      ->drupalLogin($this->administrator);
    $this
      ->drupalGet('admin/reports/status');
    $this
      ->assertNoText('MathJax is configured to use local library files but they could not be found. See the README.');
    $this
      ->drupalGet('admin/config/content/mathjax');
    $edit = [
      'use_cdn' => FALSE,
    ];
    $this
      ->drupalPostForm(NULL, $edit, t('Save configuration'));
    $this
      ->drupalGet('admin/reports/status');
    $this
      ->assertText('MathJax is configured to use local library files but they could not be found. See the README.');
  }

  /**
   * Ensure the MathJax filter is at the bottom of the processing order.
   */
  public function testFilterOrder() {
    $this
      ->drupalLogin($this->administrator);

    // Activate the MathJax filter on the plain_text format.
    $this
      ->drupalGet('admin/config/content/formats/manage/plain_text');
    $edit = [
      'filters[filter_mathjax][status]' => TRUE,
    ];
    $this
      ->drupalPostForm(NULL, $edit, t('Save configuration'));
    $this
      ->drupalGet('admin/config/content/formats/manage/plain_text');

    // Ensure that MathJax appears at the bottom of the active filter list.
    $count = count($this
      ->xpath("//div[@id='edit-filters-status']/div/input[@class='form-checkbox' and @checked='checked']"));
    $result = $this
      ->xpath("//table[@id='filter-order']/tbody/tr[{$count}]/td[1]");
    $this
      ->assertEqual($result[0]
      ->getText(), 'MathJax');
  }

}

Classes

Name	Description
MathjaxWebTest	Configuration test case for the module.