public function UninstallTest::testUninstallPage in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/system/tests/src/Functional/Module/UninstallTest.php \Drupal\Tests\system\Functional\Module\UninstallTest::testUninstallPage()

Tests the Uninstall page and Uninstall confirmation page.

File

core/modules/system/tests/src/Functional/Module/UninstallTest.php, line 46

Class

UninstallTest

Tests the uninstallation of modules.

Namespace

Drupal\Tests\system\Functional\Module

Code

public function testUninstallPage() {
  $account = $this
    ->drupalCreateUser([
    'administer modules',
  ]);
  $this
    ->drupalLogin($account);

  // Create a node type.
  $node_type = NodeType::create([
    'type' => 'uninstall_blocker',
    'name' => 'Uninstall blocker',
  ]);

  // Create a dependency that can be fixed.
  $node_type
    ->setThirdPartySetting('module_test', 'key', 'value');
  $node_type
    ->save();

  // Add a node to prevent node from being uninstalled.
  $node = Node::create([
    'type' => 'uninstall_blocker',
    'title' => $this
      ->randomString(),
  ]);
  $node
    ->save();
  $this
    ->drupalGet('admin/modules/uninstall');
  $this
    ->assertSession()
    ->titleEquals('Uninstall | Drupal');
  foreach (\Drupal::service('extension.list.module')
    ->getAllInstalledInfo() as $module => $info) {
    $field_name = "uninstall[{$module}]";
    if (!empty($info['required'])) {

      // A required module should not be listed on the uninstall page.
      $this
        ->assertSession()
        ->fieldNotExists($field_name);
    }
    else {
      $this
        ->assertSession()
        ->fieldExists($field_name);
    }
  }

  // Be sure labels are rendered properly.
  // @see regression https://www.drupal.org/node/2512106
  $this
    ->assertSession()
    ->responseContains('<label for="edit-uninstall-node" class="module-name table-filter-text-source">Node</label>');
  $this
    ->assertSession()
    ->pageTextContains('The following reason prevents Node from being uninstalled:');
  $this
    ->assertSession()
    ->pageTextContains('There is content for the entity type: Content');

  // Delete the node to allow node to be uninstalled.
  $node
    ->delete();

  // Uninstall module_test.
  $edit = [];
  $edit['uninstall[module_test]'] = TRUE;
  $this
    ->drupalGet('admin/modules/uninstall');
  $this
    ->submitForm($edit, 'Uninstall');
  $this
    ->assertSession()
    ->pageTextNotContains('Configuration deletions');
  $this
    ->assertSession()
    ->pageTextContains('Configuration updates');
  $this
    ->assertSession()
    ->pageTextContains($node_type
    ->label());
  $this
    ->submitForm([], 'Uninstall');
  $this
    ->assertSession()
    ->pageTextContains('The selected modules have been uninstalled.');

  // Uninstall node testing that the configuration that will be deleted is
  // listed.
  $node_dependencies = \Drupal::service('config.manager')
    ->findConfigEntityDependenciesAsEntities('module', [
    'node',
  ]);
  $edit = [];
  $edit['uninstall[node]'] = TRUE;
  $this
    ->drupalGet('admin/modules/uninstall');
  $this
    ->submitForm($edit, 'Uninstall');
  $this
    ->assertSession()
    ->pageTextContains('Configuration deletions');
  $this
    ->assertSession()
    ->pageTextNotContains('Configuration updates');
  $entity_types = [];
  foreach ($node_dependencies as $entity) {
    $label = $entity
      ->label() ?: $entity
      ->id();
    $this
      ->assertSession()
      ->pageTextContains($label);
    $entity_types[] = $entity
      ->getEntityTypeId();
  }
  $entity_types = array_unique($entity_types);
  foreach ($entity_types as $entity_type_id) {
    $entity_type = \Drupal::entityTypeManager()
      ->getDefinition($entity_type_id);

    // Add h3's since the entity type label is often repeated in the entity
    // labels.
    $this
      ->assertSession()
      ->responseContains('<h3>' . $entity_type
      ->getLabel() . '</h3>');
  }

  // Set a unique cache entry to be able to test whether all caches are
  // cleared during the uninstall.
  \Drupal::cache()
    ->set('uninstall_test', 'test_uninstall_page', Cache::PERMANENT);
  $cached = \Drupal::cache()
    ->get('uninstall_test');
  $this
    ->assertEquals('test_uninstall_page', $cached->data, new FormattableMarkup('Cache entry found: @bin', [
    '@bin' => $cached->data,
  ]));
  $this
    ->submitForm([], 'Uninstall');
  $this
    ->assertSession()
    ->pageTextContains('The selected modules have been uninstalled.');

  // Check that the page does not have double escaped HTML tags.
  $this
    ->assertSession()
    ->responseNotContains('&lt;label');

  // Make sure our unique cache entry is gone.
  $cached = \Drupal::cache()
    ->get('uninstall_test');
  $this
    ->assertFalse($cached, 'Cache entry not found');

  // Make sure we get an error message when we try to confirm uninstallation
  // of an empty list of modules.
  $this
    ->drupalGet('admin/modules/uninstall/confirm');
  $this
    ->assertSession()
    ->pageTextContains('The selected modules could not be uninstalled, either due to a website problem or due to the uninstall confirmation form timing out. Please try again.');

  // Make sure confirmation page is accessible only during uninstall process.
  $this
    ->drupalGet('admin/modules/uninstall/confirm');
  $this
    ->assertSession()
    ->addressEquals('admin/modules/uninstall');
  $this
    ->assertSession()
    ->titleEquals('Uninstall | Drupal');

  // Make sure the correct error is shown when no modules are selected.
  $edit = [];
  $this
    ->drupalGet('admin/modules/uninstall');
  $this
    ->submitForm($edit, 'Uninstall');
  $this
    ->assertSession()
    ->pageTextContains('No modules selected.');
}