function 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

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->assertTitle('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->assertRaw('<label for="edit-uninstall-node" class="module-name table-filter-text-source">Node</label>');
    $this->assertText(\Drupal::translation()->translate('The following reason prevents Node from being uninstalled:'));
    $this->assertText(\Drupal::translation()->translate('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->drupalPostForm('admin/modules/uninstall', $edit, t('Uninstall'));
    $this->assertNoText(\Drupal::translation()->translate('Configuration deletions'), 'No configuration deletions listed on the module install confirmation page.');
    $this->assertText(\Drupal::translation()->translate('Configuration updates'), 'Configuration updates listed on the module install confirmation page.');
    $this->assertText($node_type->label());
    $this->drupalPostForm(NULL, NULL, t('Uninstall'));
    $this->assertText(t('The selected modules have been uninstalled.'), 'Modules status has been updated.');
    // Uninstall node testing that the configuration that will be deleted is
    // listed.
    $node_dependencies = \Drupal::service('config.manager')->findConfigEntityDependentsAsEntities('module', [
        'node',
    ]);
    $edit = [];
    $edit['uninstall[node]'] = TRUE;
    $this->drupalPostForm('admin/modules/uninstall', $edit, t('Uninstall'));
    $this->assertText(\Drupal::translation()->translate('Configuration deletions'), 'Configuration deletions listed on the module install confirmation page.');
    $this->assertNoText(\Drupal::translation()->translate('Configuration updates'), 'No configuration updates listed on the module install confirmation page.');
    $entity_types = [];
    foreach ($node_dependencies as $entity) {
        $label = $entity->label() ?: $entity->id();
        $this->assertText($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->assertRaw('<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');
    $this->assertEqual($cached->data, 'test_uninstall_page', new FormattableMarkup('Cache entry found: @bin', [
        '@bin' => $cached->data,
    ]));
    $this->drupalPostForm(NULL, NULL, t('Uninstall'));
    $this->assertText(t('The selected modules have been uninstalled.'), 'Modules status has been updated.');
    $this->assertNoRaw('&lt;label', 'The page does not have double escaped HTML tags.');
    // 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->assertText(t('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.'), 'Module uninstall confirmation form displays error message');
    // Make sure confirmation page is accessible only during uninstall process.
    $this->drupalGet('admin/modules/uninstall/confirm');
    $this->assertUrl('admin/modules/uninstall');
    $this->assertTitle('Uninstall | Drupal');
    // Make sure the correct error is shown when no modules are selected.
    $edit = [];
    $this->drupalPostForm('admin/modules/uninstall', $edit, t('Uninstall'));
    $this->assertText(t('No modules selected.'), 'No module is selected to uninstall');
}