NodeFieldFilterTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\node\Functional\Views;

use Drupal\language\Entity\ConfigurableLanguage;

/**
 * Tests node field filters with translations.
 *
 * @group node
 */
class NodeFieldFilterTest extends NodeTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'language',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Views used by this test.
     *
     * @var array
     */
    public static $testViews = [
        'test_field_filters',
    ];
    
    /**
     * List of node titles by language.
     *
     * @var array
     */
    public $nodeTitles = [];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp($import_test_views = TRUE, $modules = [
        'node_test_views',
    ]) : void {
        parent::setUp($import_test_views, $modules);
        // Create Page content type.
        if ($this->profile != 'standard') {
            $this->drupalCreateContentType([
                'type' => 'page',
                'name' => 'Basic page',
            ]);
        }
        // Add two new languages.
        ConfigurableLanguage::createFromLangcode('fr')->save();
        ConfigurableLanguage::createFromLangcode('es')->save();
        // Set up node titles.
        $this->nodeTitles = [
            'en' => 'Food in Paris',
            'es' => 'Comida en Paris',
            'fr' => 'Nourriture en Paris',
        ];
        // Create node with translations.
        $node = $this->drupalCreateNode([
            'title' => $this->nodeTitles['en'],
            'langcode' => 'en',
            'type' => 'page',
            'body' => [
                [
                    'value' => $this->nodeTitles['en'],
                ],
            ],
        ]);
        foreach ([
            'es',
            'fr',
        ] as $langcode) {
            $translation = $node->addTranslation($langcode, [
                'title' => $this->nodeTitles[$langcode],
            ]);
            $translation->body->value = $this->nodeTitles[$langcode];
        }
        $node->save();
    }
    
    /**
     * Tests body and title filters.
     */
    public function testFilters() : void {
        // Test the title filter page, which filters for title contains 'Comida'.
        // Should show just the Spanish translation, once.
        $this->assertPageCounts('test-title-filter', [
            'es' => 1,
            'fr' => 0,
            'en' => 0,
        ], 'Comida title filter');
        // Test the body filter page, which filters for body contains 'Comida'.
        // Should show just the Spanish translation, once.
        $this->assertPageCounts('test-body-filter', [
            'es' => 1,
            'fr' => 0,
            'en' => 0,
        ], 'Comida body filter');
        // Test the title Paris filter page, which filters for title contains
        // 'Paris'. Should show each translation once.
        $this->assertPageCounts('test-title-paris', [
            'es' => 1,
            'fr' => 1,
            'en' => 1,
        ], 'Paris title filter');
        // Test the body Paris filter page, which filters for body contains
        // 'Paris'. Should show each translation once.
        $this->assertPageCounts('test-body-paris', [
            'es' => 1,
            'fr' => 1,
            'en' => 1,
        ], 'Paris body filter');
    }
    
    /**
     * Asserts that the given node translation counts are correct.
     *
     * @param string $path
     *   Path of the page to test.
     * @param array $counts
     *   Array whose keys are languages, and values are the number of times
     *   that translation should be shown on the given page.
     * @param string $message
     *   Message suffix to display.
     *
     * @internal
     */
    protected function assertPageCounts(string $path, array $counts, string $message) : void {
        // Disable read more links.
        \Drupal::service('entity_display.repository')->getViewDisplay('node', 'page', 'teaser')
            ->removeComponent('links')
            ->save();
        // Get the text of the page.
        $this->drupalGet($path);
        $text = $this->getTextContent();
        // Check the counts. Note that the title and body are both shown on the
        // page, and they are the same. So the title/body string should appear on
        // the page twice as many times as the input count.
        foreach ($counts as $langcode => $count) {
            $this->assertEquals(2 * $count, substr_count($text, $this->nodeTitles[$langcode]), 'Translation ' . $langcode . ' has count ' . $count . ' with ' . $message);
        }
    }

}