function ThemeTest::testThemeSettings

Test the theme settings form.

File

core/modules/system/tests/src/Functional/System/ThemeTest.php, line 61

Class

ThemeTest
Tests the theme interface functionality by enabling and switching themes, and using an administration theme.

Namespace

Drupal\Tests\system\Functional\System

Code

public function testThemeSettings() {
  // Ensure a disabled theme settings form URL returns 404.
  $this->drupalGet('admin/appearance/settings/bartik');
  $this->assertSession()
    ->statusCodeEquals(404);
  // Ensure a non existent theme settings form URL returns 404.
  $this->drupalGet('admin/appearance/settings/' . $this->randomMachineName());
  $this->assertSession()
    ->statusCodeEquals(404);
  // Ensure a hidden theme settings form URL returns 404.
  $this->assertTrue(\Drupal::service('theme_installer')->install([
    'stable',
  ]));
  $this->drupalGet('admin/appearance/settings/stable');
  $this->assertSession()
    ->statusCodeEquals(404);
  // Specify a filesystem path to be used for the logo.
  $file = current($this->drupalGetTestFiles('image'));
  $file_relative = strtr($file->uri, [
    'public:/' => PublicStream::basePath(),
  ]);
  $default_theme_path = 'core/themes/classy';
  $supported_paths = [
    // Raw stream wrapper URI.
$file->uri => [
      'form' => StreamWrapperManager::getTarget($file->uri),
      'src' => file_url_transform_relative(file_create_url($file->uri)),
    ],
    // Relative path within the public filesystem.
StreamWrapperManager::getTarget($file->uri) => [
      'form' => StreamWrapperManager::getTarget($file->uri),
      'src' => file_url_transform_relative(file_create_url($file->uri)),
    ],
    // Relative path to a public file.
$file_relative => [
      'form' => $file_relative,
      'src' => file_url_transform_relative(file_create_url($file->uri)),
    ],
    // Relative path to an arbitrary file.
'core/misc/druplicon.png' => [
      'form' => 'core/misc/druplicon.png',
      'src' => base_path() . 'core/misc/druplicon.png',
    ],
    // Relative path to a file in a theme.
$default_theme_path . '/logo.svg' => [
      'form' => $default_theme_path . '/logo.svg',
      'src' => base_path() . $default_theme_path . '/logo.svg',
    ],
  ];
  foreach ($supported_paths as $input => $expected) {
    $edit = [
      'default_logo' => FALSE,
      'logo_path' => $input,
    ];
    $this->drupalPostForm('admin/appearance/settings', $edit, t('Save configuration'));
    $this->assertNoText('The custom logo path is invalid.');
    $this->assertFieldByName('logo_path', $expected['form']);
    // Verify logo path examples.
    $elements = $this->xpath('//div[contains(@class, :item)]/div[@class=:description]/code', [
      ':item' => 'js-form-item-logo-path',
      ':description' => 'description',
    ]);
    // Expected default values (if all else fails).
    $implicit_public_file = 'logo.svg';
    $explicit_file = 'public://logo.svg';
    $local_file = $default_theme_path . '/logo.svg';
    // Adjust for fully qualified stream wrapper URI in public filesystem.
    if (StreamWrapperManager::getScheme($input) == 'public') {
      $implicit_public_file = StreamWrapperManager::getTarget($input);
      $explicit_file = $input;
      $local_file = strtr($input, [
        'public:/' => PublicStream::basePath(),
      ]);
    }
    elseif (StreamWrapperManager::getScheme($input) !== FALSE) {
      $explicit_file = $input;
    }
    elseif ($input == StreamWrapperManager::getTarget($file->uri)) {
      $implicit_public_file = $input;
      $explicit_file = 'public://' . $input;
      $local_file = PublicStream::basePath() . '/' . $input;
    }
    $this->assertEqual($elements[0]->getText(), $implicit_public_file);
    $this->assertEqual($elements[1]->getText(), $explicit_file);
    $this->assertEqual($elements[2]->getText(), $local_file);
    // Verify the actual 'src' attribute of the logo being output in a site
    // branding block.
    $this->drupalPlaceBlock('system_branding_block', [
      'region' => 'header',
    ]);
    $this->drupalGet('');
    $elements = $this->xpath('//header//a[@rel=:rel]/img', [
      ':rel' => 'home',
    ]);
    $this->assertEqual($elements[0]->getAttribute('src'), $expected['src']);
  }
  $unsupported_paths = [
    // Stream wrapper URI to non-existing file.
'public://whatever.png',
    'private://whatever.png',
    'temporary://whatever.png',
    // Bogus stream wrapper URIs.
'public:/whatever.png',
    '://whatever.png',
    ':whatever.png',
    'public://',
    // Relative path within the public filesystem to non-existing file.
'whatever.png',
    // Relative path to non-existing file in public filesystem.
PublicStream::basePath() . '/whatever.png',
    // Semi-absolute path to non-existing file in public filesystem.
'/' . PublicStream::basePath() . '/whatever.png',
    // Relative path to arbitrary non-existing file.
'core/misc/whatever.png',
    // Semi-absolute path to arbitrary non-existing file.
'/core/misc/whatever.png',
    // Absolute paths to any local file (even if it exists).
\Drupal::service('file_system')->realpath($file->uri),
  ];
  $this->drupalGet('admin/appearance/settings');
  foreach ($unsupported_paths as $path) {
    $edit = [
      'default_logo' => FALSE,
      'logo_path' => $path,
    ];
    $this->drupalPostForm(NULL, $edit, t('Save configuration'));
    $this->assertText('The custom logo path is invalid.');
  }
  // Upload a file to use for the logo.
  $edit = [
    'default_logo' => FALSE,
    'logo_path' => '',
    'files[logo_upload]' => \Drupal::service('file_system')->realpath($file->uri),
  ];
  $this->drupalPostForm('admin/appearance/settings', $edit, t('Save configuration'));
  $fields = $this->xpath($this->constructFieldXpath('name', 'logo_path'));
  $uploaded_filename = 'public://' . $fields[0]->getValue();
  $this->drupalPlaceBlock('system_branding_block', [
    'region' => 'header',
  ]);
  $this->drupalGet('');
  $elements = $this->xpath('//header//a[@rel=:rel]/img', [
    ':rel' => 'home',
  ]);
  $this->assertEqual($elements[0]->getAttribute('src'), file_url_transform_relative(file_create_url($uploaded_filename)));
  $this->container
    ->get('theme_installer')
    ->install([
    'bartik',
  ]);
  // Ensure only valid themes are listed in the local tasks.
  $this->drupalPlaceBlock('local_tasks_block', [
    'region' => 'header',
  ]);
  $this->drupalGet('admin/appearance/settings');
  $theme_handler = \Drupal::service('theme_handler');
  $this->assertSession()
    ->linkExists($theme_handler->getName('classy'));
  $this->assertSession()
    ->linkExists($theme_handler->getName('bartik'));
  $this->assertSession()
    ->linkNotExists($theme_handler->getName('stable'));
  // If a hidden theme is an admin theme it should be viewable.
  \Drupal::configFactory()->getEditable('system.theme')
    ->set('admin', 'stable')
    ->save();
  \Drupal::service('router.builder')->rebuildIfNeeded();
  $this->drupalPlaceBlock('local_tasks_block', [
    'region' => 'header',
    'theme' => 'stable',
  ]);
  $this->drupalGet('admin/appearance/settings');
  $this->assertSession()
    ->linkExists($theme_handler->getName('stable'));
  $this->drupalGet('admin/appearance/settings/stable');
  $this->assertSession()
    ->statusCodeEquals(200);
  // Ensure default logo and favicons are not triggering custom path
  // validation errors if their custom paths are set on the form.
  $edit = [
    'default_logo' => TRUE,
    'logo_path' => 'public://whatever.png',
    'default_favicon' => TRUE,
    'favicon_path' => 'public://whatever.ico',
  ];
  $this->drupalPostForm('admin/appearance/settings', $edit, 'Save configuration');
  $this->assertNoText('The custom logo path is invalid.');
  $this->assertNoText('The custom favicon path is invalid.');
}

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.