class SearchPreprocessLangcodeTest

class SearchPreprocessLangcodeTest extends BrowserTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'node',
    'search',
    'search_langcode_test',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * Test node for searching.
   *
   * @var \Drupal\node\NodeInterface
   */
  protected $node;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->drupalCreateContentType([
      'type' => 'page',
      'name' => 'Basic page',
    ]);
    $web_user = $this->drupalCreateUser([
      'create page content',
      'edit own page content',
      'search content',
      'use advanced search',
    ]);
    $this->drupalLogin($web_user);
  }
  
  /**
   * Tests that hook_search_preprocess() returns the correct langcode.
   */
  public function testPreprocessLangcode() {
    // Create a node.
    $this->node = $this->drupalCreateNode([
      'body' => [
        [],
      ],
      'langcode' => 'en',
    ]);
    // First update the index. This does the initial processing.
    $this->container
      ->get('plugin.manager.search')
      ->createInstance('node_search')
      ->updateIndex();
    // Search for the additional text that is added by the preprocess
    // function. If you search for text that is in the node, preprocess is
    // not invoked on the node during the search excerpt generation.
    $edit = [
      'or' => 'Additional text',
    ];
    $this->drupalGet('search/node');
    $this->submitForm($edit, 'edit-submit--2');
    // Checks if the langcode message has been set by hook_search_preprocess().
    $this->assertSession()
      ->pageTextContains('Langcode Preprocess Test: en');
  }
  
  /**
   * Tests stemming for hook_search_preprocess().
   */
  public function testPreprocessStemming() {
    // Create a node.
    $this->node = $this->drupalCreateNode([
      'title' => 'we are testing',
      'body' => [
        [],
      ],
      'langcode' => 'en',
    ]);
    // First update the index. This does the initial processing.
    $this->container
      ->get('plugin.manager.search')
      ->createInstance('node_search')
      ->updateIndex();
    // Search for the title of the node with a POST query.
    $edit = [
      'or' => 'testing',
    ];
    $this->drupalGet('search/node');
    $this->submitForm($edit, 'edit-submit--2');
    // Check if the node has been found.
    $this->assertSession()
      ->pageTextContains('Search results');
    $this->assertSession()
      ->pageTextContains('we are testing');
    // Search for the same node using a different query.
    $edit = [
      'or' => 'test',
    ];
    $this->drupalGet('search/node');
    $this->submitForm($edit, 'edit-submit--2');
    // Check if the node has been found.
    $this->assertSession()
      ->pageTextContains('Search results');
    $this->assertSession()
      ->pageTextContains('we are testing');
  }

}