CommentFieldFilterTest.php

<?php

namespace Drupal\Tests\comment\Functional\Views;

use Drupal\language\Entity\ConfigurableLanguage;
use Drupal\comment\Entity\Comment;

/**
 * Tests comment field filters with translations.
 *
 * @group comment
 */
class CommentFieldFilterTest extends CommentTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'language',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Views used by this test.
     *
     * @var array
     */
    public static $testViews = [
        'test_field_filters',
    ];
    
    /**
     * List of comment titles by language.
     *
     * @var array
     */
    public $commentTitles = [];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp($import_test_views = TRUE, $modules = [
        'comment_test_views',
    ]) : void {
        parent::setUp($import_test_views, $modules);
        $this->drupalLogin($this->drupalCreateUser([
            'access comments',
        ]));
        // Add two new languages.
        ConfigurableLanguage::createFromLangcode('fr')->save();
        ConfigurableLanguage::createFromLangcode('es')->save();
        // Set up comment titles.
        $this->commentTitles = [
            'en' => 'Food in Paris',
            'es' => 'Comida en Paris',
            'fr' => 'Nourriture en Paris',
        ];
        // Create a new comment. Using the one created earlier will not work,
        // as it predates the language set-up.
        $comment = [
            'uid' => $this->loggedInUser
                ->id(),
            'entity_id' => $this->nodeUserCommented
                ->id(),
            'entity_type' => 'node',
            'field_name' => 'comment',
            'cid' => '',
            'pid' => '',
            'node_type' => '',
        ];
        $this->comment = Comment::create($comment);
        // Add field values and translate the comment.
        $this->comment->subject->value = $this->commentTitles['en'];
        $this->comment->comment_body->value = $this->commentTitles['en'];
        $this->comment->langcode = 'en';
        $this->comment
            ->save();
        foreach ([
            'es',
            'fr',
        ] as $langcode) {
            $translation = $this->comment
                ->addTranslation($langcode, []);
            $translation->comment_body->value = $this->commentTitles[$langcode];
            $translation->subject->value = $this->commentTitles[$langcode];
        }
        $this->comment
            ->save();
    }
    
    /**
     * Tests body and title filters.
     */
    public function testFilters() {
        // 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 comment 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 {
        // 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, $this->commentTitles[$langcode]), 'Translation ' . $langcode . ' has count ' . $count . ' with ' . $message);
        }
    }

}