class InstallProfileDependenciesTest

class InstallProfileDependenciesTest extends BrowserTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * {@inheritdoc}
   */
  protected $profile = 'testing_install_profile_dependencies';
  
  /**
   * Tests that an install profile can require modules.
   */
  public function testUninstallingModules() {
    $user = $this->drupalCreateUser([
      'administer modules',
    ]);
    $this->drupalLogin($user);
    $this->drupalGet('admin/modules/uninstall');
    $this->assertSession()
      ->fieldDisabled('uninstall[dblog]');
    $this->getSession()
      ->getPage()
      ->checkField('uninstall[ban]');
    $this->click('#edit-submit');
    // Click the confirm button.
    $this->click('#edit-submit');
    $this->assertSession()
      ->responseContains('The selected modules have been uninstalled.');
    // We've uninstalled a module therefore we need to rebuild the container in
    // the test runner.
    $this->rebuildContainer();
    $this->assertFalse($this->container
      ->get('module_handler')
      ->moduleExists('ban'));
    try {
      $this->container
        ->get('module_installer')
        ->uninstall([
        'dblog',
      ]);
      $this->fail('Uninstalled dblog module.');
    } catch (ModuleUninstallValidatorException $e) {
      $this->assertStringContainsString('The Testing install profile dependencies module is required', $e->getMessage());
    }
  }

}