class TermTranslationTest

class TermTranslationTest extends TaxonomyTestBase {
    use AssertBreadcrumbTrait;
    use TaxonomyTranslationTestTrait;
    
    /**
     * Term to translated term mapping.
     *
     * @var array
     */
    protected $termTranslationMap = [
        'one' => 'translatedOne',
        'two' => 'translatedTwo',
        'three' => 'translatedThree',
    ];
    
    /**
     * Created terms.
     *
     * @var \Drupal\taxonomy\Entity\Term[]
     */
    protected $terms = [];
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'taxonomy',
        'language',
        'content_translation',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->setupLanguages();
        $this->vocabulary = $this->createVocabulary();
        $this->enableTranslation();
        $this->setUpTerms();
        $this->setUpTermReferenceField();
    }
    
    /**
     * Tests translated breadcrumbs.
     */
    public function testTranslatedBreadcrumbs() : void {
        // Ensure non-translated breadcrumb is correct.
        $breadcrumb = [
            Url::fromRoute('<front>')->toString() => 'Home',
        ];
        foreach ($this->terms as $term) {
            $breadcrumb[$term->toUrl()
                ->toString()] = $term->label();
        }
        // The last item will not be in the breadcrumb.
        array_pop($breadcrumb);
        // Check the breadcrumb on the leaf term page.
        $term = $this->getLeafTerm();
        $this->assertBreadcrumb($term->toUrl(), $breadcrumb, $term->label());
        $languages = \Drupal::languageManager()->getLanguages();
        // Construct the expected translated breadcrumb.
        $breadcrumb = [
            Url::fromRoute('<front>', [], [
                'language' => $languages[$this->translateToLangcode],
            ])
                ->toString() => 'Home',
        ];
        foreach ($this->terms as $term) {
            $translated = $term->getTranslation($this->translateToLangcode);
            $url = $translated->toUrl('canonical', [
                'language' => $languages[$this->translateToLangcode],
            ])
                ->toString();
            $breadcrumb[$url] = $translated->label();
        }
        array_pop($breadcrumb);
        // Check for the translated breadcrumb on the translated leaf term page.
        $term = $this->getLeafTerm();
        $translated = $term->getTranslation($this->translateToLangcode);
        $this->assertBreadcrumb($translated->toUrl('canonical', [
            'language' => $languages[$this->translateToLangcode],
        ]), $breadcrumb, $translated->label());
    }
    
    /**
     * Tests translation of terms are showed in the node.
     */
    public function testTermsTranslation() : void {
        // Set the display of the term reference field on the article content type
        // to "Check boxes/radio buttons".
        \Drupal::service('entity_display.repository')->getFormDisplay('node', 'article')
            ->setComponent($this->termFieldName, [
            'type' => 'options_buttons',
        ])
            ->save();
        $this->drupalLogin($this->drupalCreateUser([
            'create article content',
        ]));
        // Test terms are listed.
        $this->drupalGet('node/add/article');
        $this->assertSession()
            ->pageTextContains('one');
        $this->assertSession()
            ->pageTextContains('two');
        $this->assertSession()
            ->pageTextContains('three');
        // Test terms translated are listed.
        $this->drupalGet('hu/node/add/article');
        $this->assertSession()
            ->pageTextContains('translatedOne');
        $this->assertSession()
            ->pageTextContains('translatedTwo');
        $this->assertSession()
            ->pageTextContains('translatedThree');
    }
    
    /**
     * Setup translated terms in a hierarchy.
     */
    protected function setUpTerms() {
        $parent_vid = 0;
        foreach ($this->termTranslationMap as $name => $translation) {
            $term = $this->createTerm($this->vocabulary, [
                'name' => $name,
                'langcode' => $this->baseLangcode,
                'parent' => $parent_vid,
            ]);
            $term->addTranslation($this->translateToLangcode, [
                'name' => $translation,
            ]);
            $term->save();
            // Each term is nested under the last.
            $parent_vid = $term->id();
            $this->terms[] = $term;
        }
    }
    
    /**
     * Get the final (leaf) term in the hierarchy.
     *
     * @return \Drupal\taxonomy\Entity\Term
     *   The final term in the hierarchy.
     */
    protected function getLeafTerm() {
        return $this->terms[count($this->termTranslationMap) - 1];
    }

}