function ConfigImportUITest::testExtensionValidation
Tests config importer cannot uninstall extensions which are depended on.
See also
\Drupal\Core\EventSubscriber\ConfigImportSubscriber
File
- 
              core/modules/ config/ tests/ src/ Functional/ ConfigImportUITest.php, line 507 
Class
- ConfigImportUITest
- Tests the user interface for importing configuration.
Namespace
Drupal\Tests\config\FunctionalCode
public function testExtensionValidation() : void {
  \Drupal::service('module_installer')->install([
    'node',
  ]);
  \Drupal::service('theme_installer')->install([
    'test_subtheme',
  ]);
  $this->rebuildContainer();
  $sync = $this->container
    ->get('config.storage.sync');
  $this->copyConfig($this->container
    ->get('config.storage'), $sync);
  $core = $sync->read('core.extension');
  // Node depends on text.
  unset($core['module']['text']);
  $module_data = $this->container
    ->get('extension.list.module')
    ->getList();
  $this->assertTrue(isset($module_data['node']->requires['text']), 'The Node module depends on the Text module.');
  unset($core['theme']['test_basetheme']);
  $theme_data = \Drupal::service('extension.list.theme')->reset()
    ->getList();
  $this->assertTrue(isset($theme_data['test_subtheme']->requires['test_basetheme']), 'The Test Subtheme theme depends on the Test Basetheme theme.');
  // This module does not exist.
  $core['module']['does_not_exist'] = 0;
  // This theme does not exist.
  $core['theme']['does_not_exist'] = 0;
  $sync->write('core.extension', $core);
  $this->drupalGet('admin/config/development/configuration');
  $this->submitForm([], 'Import all');
  $this->assertSession()
    ->pageTextContains('The configuration cannot be imported because it failed validation for the following reasons:');
  $this->assertSession()
    ->pageTextContains('Unable to uninstall the Text module since the Node module is installed.');
  $this->assertSession()
    ->pageTextContains('Unable to uninstall the Theme test base theme theme since the Theme test subtheme theme is installed.');
  $this->assertSession()
    ->pageTextContains('Unable to install the does_not_exist module since it does not exist.');
  $this->assertSession()
    ->pageTextContains('Unable to install the does_not_exist theme since it does not exist.');
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
