function HelpTest::testHelp

Logs in users, tests help pages.

File

core/modules/help/tests/src/Functional/HelpTest.php, line 73

Class

HelpTest

Verify help display and user access to help based on permissions.

Namespace

Code

public function testHelp() : void {
    // Log in the root user to ensure as many admin links appear as possible on
    // the module overview pages.
    $this->drupalLogin($this->drupalCreateUser([
        'access help pages',
        'access administration pages',
    ]));
    $this->verifyHelp();
    // Log in the regular user.
    $this->drupalLogin($this->anyUser);
    $this->verifyHelp(403);
    // Verify that introductory help text exists, goes for 100% module coverage.
    $this->drupalLogin($this->adminUser);
    $this->drupalGet('admin/help');
    $this->assertSession()
        ->responseContains('For more information, refer to the help listed on this page or to the <a href="https://www.drupal.org/documentation">online documentation</a> and <a href="https://www.drupal.org/support">support</a> pages at <a href="https://www.drupal.org">drupal.org</a>.');
    // Verify that hook_help() section title and description appear.
    $this->assertSession()
        ->responseContains('<h2>Module overviews</h2>');
    $this->assertSession()
        ->responseContains('<p>Module overviews are provided by modules. Overviews available for your installed modules:</p>');
    // Verify that an empty section is handled correctly.
    $this->assertSession()
        ->responseContains('<h2>Empty section</h2>');
    $this->assertSession()
        ->responseContains('<p>This description should appear.</p>');
    $this->assertSession()
        ->pageTextContains('There is currently nothing in this section.');
    // Make sure links are properly added for modules implementing hook_help().
    foreach ($this->getModuleList() as $module => $name) {
        $this->assertSession()
            ->linkExists($name, 0, new FormattableMarkup('Link properly added to @name (admin/help/@module)', [
            '@module' => $module,
            '@name' => $name,
        ]));
    }
    // Ensure a module which does not provide a module overview page is handled
    // correctly.
    $module_name = \Drupal::service('extension.list.module')->getName('help_test');
    $this->clickLink($module_name);
    $this->assertSession()
        ->pageTextContains('No help is available for module ' . $module_name);
    // Verify that the order of topics is alphabetical by displayed module
    // name, by checking the order of some modules, including some that would
    // have a different order if it was done by machine name instead.
    $this->drupalGet('admin/help');
    $page_text = $this->getTextContent();
    $start = strpos($page_text, 'Module overviews');
    $pos = $start;
    $list = [
        'Block',
        'Block Content',
        'Breakpoint',
        'History',
        'Text Editor',
    ];
    foreach ($list as $name) {
        $this->assertSession()
            ->linkExists($name);
        $new_pos = strpos($page_text, $name, $start);
        $this->assertGreaterThan($pos, $new_pos, "Order of {$name} is not correct on page");
        $pos = $new_pos;
    }
}