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 500

Class

ConfigImportUITest

Tests the user interface for importing configuration.

Namespace

Code

public function testExtensionValidation() {
    \Drupal::service('module_installer')->install([
        'node',
    ]);
    \Drupal::service('theme_installer')->install([
        'bartik',
    ]);
    $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.');
    // Bartik depends on classy.
    unset($core['theme']['classy']);
    $theme_data = \Drupal::service('theme_handler')->rebuildThemeData();
    $this->assertTrue(isset($theme_data['bartik']->requires['classy']), 'The Bartik theme depends on the Classy 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->drupalPostForm('admin/config/development/configuration', [], t('Import all'));
    $this->assertText('The configuration cannot be imported because it failed validation for the following reasons:');
    $this->assertText('Unable to uninstall the Text module since the Node module is installed.');
    $this->assertText('Unable to uninstall the Classy theme since the Bartik theme is installed.');
    $this->assertText('Unable to install the does_not_exist module since it does not exist.');
    $this->assertText('Unable to install the does_not_exist theme since it does not exist.');
}