class RenderCacheWebTest

class RenderCacheWebTest extends ViewTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'node',
    'block',
    'views_test_render_cache',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'starterkit_theme';
  
  /**
   * {@inheritdoc}
   */
  public static $testViews = [
    'node_id_argument',
  ];
  
  /**
   * The created nodes.
   *
   * @var \Drupal\node\NodeInterface[]
   */
  protected $nodes;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp($import_test_views = TRUE, $modules = [
    'views_test_config',
  ]) : void {
    parent::setUp($import_test_views, $modules);
    $node_type = $this->drupalCreateContentType([
      'type' => 'test_type',
    ]);
    $node = Node::create([
      'title' => 'test title 1',
      'type' => $node_type->id(),
    ]);
    $node->save();
    $this->nodes[] = $node;
    $node = Node::create([
      'title' => 'test title 2',
      'type' => $node_type->id(),
    ]);
    $node->save();
    $this->nodes[] = $node;
  }
  
  /**
   * Tests rendering caching of a views block with arguments.
   */
  public function testEmptyView() {
    $this->placeBlock('views_block:node_id_argument-block_1', [
      'region' => 'header',
    ]);
    $this->drupalGet('<front>');
    $this->assertEquals([], $this->cssSelect('div.region-header div.views-field-title'));
    $this->drupalGet($this->nodes[0]
      ->toUrl());
    $result = $this->cssSelect('div.region-header div.views-field-title')[0]
      ->getText();
    $this->assertEquals('test title 1', $result);
    $this->drupalGet($this->nodes[1]
      ->toUrl());
    $result = $this->cssSelect('div.region-header div.views-field-title')[0]
      ->getText();
    $this->assertEquals('test title 2', $result);
    $this->drupalGet($this->nodes[0]
      ->toUrl());
    $result = $this->cssSelect('div.region-header div.views-field-title')[0]
      ->getText();
    $this->assertEquals('test title 1', $result);
  }
  
  /**
   * Tests render caching for display rendered with different args on same page.
   */
  public function testRepeatedDisplay() {
    $this->drupalGet("views_test_render_cache/node_id_argument/block_1/{$this->nodes[0]->id()}/{$this->nodes[1]->id()}");
    // Confirm there are two displays.
    $displays = $this->cssSelect('.views-element-container .view-id-node_id_argument.view-display-id-block_1');
    $this->assertCount(2, $displays, 'There are two displays');
    // First display should only have test title 1.
    $this->assertSame($this->nodes[0]
      ->getTitle(), $displays[0]->getText());
    // Second display should only have test title 2.
    $this->assertSame($this->nodes[1]
      ->getTitle(), $displays[1]->getText());
  }

}