RenderCacheWebTest.php

<?php

namespace Drupal\Tests\views\Functional;

use Drupal\node\Entity\Node;

/**
 * Tests render caching of blocks provided by views.
 *
 * @group views
 */
class RenderCacheWebTest extends ViewTestBase {
    
    /**
     * {@inheritdoc}
     */
    public static $modules = [
        'node',
        'block',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'classy';
    
    /**
     * {@inheritdoc}
     */
    public static $testViews = [
        'node_id_argument',
    ];
    
    /**
     * The created nodes.
     *
     * @var \Drupal\node\NodeInterface[]
     */
    protected $nodes;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp($import_test_views = TRUE) {
        parent::setUp($import_test_views);
        $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;
        $this->placeBlock('views_block:node_id_argument-block_1', [
            'region' => 'header',
        ]);
    }
    
    /**
     * Tests rendering caching of a views block with arguments.
     */
    public function testEmptyView() {
        $this->drupalGet('<front>');
        $this->assertEqual([], $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->assertEqual('test title 1', $result);
        $this->drupalGet($this->nodes[1]
            ->toUrl());
        $result = $this->cssSelect('div.region-header div.views-field-title')[0]
            ->getText();
        $this->assertEqual('test title 2', $result);
        $this->drupalGet($this->nodes[0]
            ->toUrl());
        $result = $this->cssSelect('div.region-header div.views-field-title')[0]
            ->getText();
        $this->assertEqual('test title 1', $result);
    }

}