TaxonomyFieldFilterTest.php

<?php

namespace Drupal\Tests\taxonomy\Functional\Views;

use Drupal\Core\Language\LanguageInterface;
use Drupal\field\Entity\FieldConfig;
use Drupal\language\Entity\ConfigurableLanguage;
use Drupal\Tests\views\Functional\ViewTestBase;
use Drupal\views\Tests\ViewTestData;
use Drupal\views\Views;
use Drupal\field\Entity\FieldStorageConfig;
use Drupal\taxonomy\Entity\Vocabulary;
use Drupal\taxonomy\Entity\Term;

/**
 * Tests taxonomy field filters with translations.
 *
 * @group taxonomy
 */
class TaxonomyFieldFilterTest extends ViewTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'language',
        'taxonomy',
        'taxonomy_test_views',
        'text',
        'views',
        'node',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Views used by this test.
     *
     * @var array
     */
    public static $testViews = [
        'test_field_filters',
    ];
    
    /**
     * The vocabulary used for creating terms.
     *
     * @var \Drupal\taxonomy\VocabularyInterface
     */
    protected $vocabulary;
    
    /**
     * List of taxonomy term names by language.
     *
     * @var array
     */
    public $termNames = [];
    
    /**
     * {@inheritdoc}
     */
    public function setUp($import_test_views = TRUE, $modules = []) : void {
        parent::setUp($import_test_views, $modules);
        // Add two new languages.
        ConfigurableLanguage::createFromLangcode('fr')->save();
        ConfigurableLanguage::createFromLangcode('es')->save();
        // Set up term names.
        $this->termNames = [
            'en' => 'Food in Paris',
            'es' => 'Comida en Paris',
            'fr' => 'Nourriture en Paris',
        ];
        // Create a vocabulary.
        $this->vocabulary = Vocabulary::create([
            'name' => 'Views testing tags',
            'vid' => 'views_testing_tags',
        ]);
        $this->vocabulary
            ->save();
        // Add a translatable field to the vocabulary.
        $field = FieldStorageConfig::create([
            'field_name' => 'field_foo',
            'entity_type' => 'taxonomy_term',
            'type' => 'text',
        ]);
        $field->save();
        FieldConfig::create([
            'field_name' => 'field_foo',
            'entity_type' => 'taxonomy_term',
            'label' => 'Foo',
            'bundle' => 'views_testing_tags',
        ])->save();
        // Create term with translations.
        $taxonomy = $this->createTermWithProperties([
            'name' => $this->termNames['en'],
            'langcode' => 'en',
            'description' => $this->termNames['en'],
            'field_foo' => $this->termNames['en'],
        ]);
        foreach ([
            'es',
            'fr',
        ] as $langcode) {
            $translation = $taxonomy->addTranslation($langcode, [
                'name' => $this->termNames[$langcode],
            ]);
            $translation->description->value = $this->termNames[$langcode];
            $translation->field_foo->value = $this->termNames[$langcode];
        }
        $taxonomy->save();
        Views::viewsData()->clear();
        ViewTestData::createTestViews(static::class, [
            'taxonomy_test_views',
        ]);
    }
    
    /**
     * Tests description and term name filters.
     */
    public function testFilters() {
        // Test the name filter page, which filters for name contains 'Comida'.
        // Should show just the Spanish translation, once.
        $this->assertPageCounts('test-name-filter', [
            'es' => 1,
            'fr' => 0,
            'en' => 0,
        ], 'Comida name filter');
        // Test the description filter page, which filters for description contains
        // 'Comida'. Should show just the Spanish translation, once.
        $this->assertPageCounts('test-desc-filter', [
            'es' => 1,
            'fr' => 0,
            'en' => 0,
        ], 'Comida description filter');
        // Test the field filter page, which filters for field_foo contains
        // 'Comida'. Should show just the Spanish translation, once.
        $this->assertPageCounts('test-field-filter', [
            'es' => 1,
            'fr' => 0,
            'en' => 0,
        ], 'Comida field filter');
        // Test the name Paris filter page, which filters for name contains
        // 'Paris'. Should show each translation once.
        $this->assertPageCounts('test-name-paris', [
            'es' => 1,
            'fr' => 1,
            'en' => 1,
        ], 'Paris name filter');
        // Test the description Paris page, which filters for description contains
        // 'Paris'. Should show each translation, once.
        $this->assertPageCounts('test-desc-paris', [
            'es' => 1,
            'fr' => 1,
            'en' => 1,
        ], 'Paris description filter');
        // Test the field Paris filter page, which filters for field_foo contains
        // 'Paris'. Should show each translation once.
        $this->assertPageCounts('test-field-paris', [
            'es' => 1,
            'fr' => 1,
            'en' => 1,
        ], 'Paris field filter');
    }
    
    /**
     * Asserts that the given taxonomy 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, $this->termNames[$langcode]), 'Translation ' . $langcode . ' has count ' . $count . ' with ' . $message);
        }
    }
    
    /**
     * Creates a taxonomy term with specified name and other properties.
     *
     * @param array $properties
     *   Array of properties and field values to set.
     *
     * @return \Drupal\taxonomy\TermInterface
     *   The created taxonomy term.
     */
    protected function createTermWithProperties($properties) {
        // Use the first available text format.
        $filter_formats = filter_formats();
        $format = array_pop($filter_formats);
        $properties += [
            'name' => $this->randomMachineName(),
            'description' => $this->randomMachineName(),
            'langcode' => LanguageInterface::LANGCODE_NOT_SPECIFIED,
            'field_foo' => $this->randomMachineName(),
        ];
        $term = Term::create([
            'name' => $properties['name'],
            'description' => $properties['description'],
            'format' => $format->id(),
            'vid' => $this->vocabulary
                ->id(),
            'langcode' => $properties['langcode'],
        ]);
        $term->field_foo->value = $properties['field_foo'];
        $term->save();
        return $term;
    }

}