class EntityRevisionTranslationTest

class EntityRevisionTranslationTest extends EntityKernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'language',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Enable some additional languages.
        ConfigurableLanguage::createFromLangcode('de')->save();
        ConfigurableLanguage::createFromLangcode('it')->save();
        $this->installEntitySchema('entity_test_mul');
        $this->installEntitySchema('entity_test_mulrev');
    }
    
    /**
     * Tests if the translation object has the right revision id after new revision.
     */
    public function testNewRevisionAfterTranslation() : void {
        $user = $this->createUser();
        // Create a test entity.
        $entity = EntityTestMulRev::create([
            'name' => $this->randomString(),
            'user_id' => $user->id(),
            'language' => 'en',
        ]);
        $entity->save();
        $old_rev_id = $entity->getRevisionId();
        $translation = $entity->addTranslation('de');
        $translation->setNewRevision();
        $translation->save();
        // Verify that the saved translation for the new translation has a newer
        // revision ID.
        $this->assertGreaterThan($old_rev_id, $translation->getRevisionId());
        // Verify that the entity from the storage has a newer revision ID.
        $this->assertGreaterThan($old_rev_id, $this->reloadEntity($entity)
            ->getRevisionId());
    }
    
    /**
     * Tests if the translation object has the right revision id after new revision.
     */
    public function testRevertRevisionAfterTranslation() : void {
        $user = $this->createUser();
        
        /** @var \Drupal\Core\Entity\RevisionableStorageInterface $storage */
        $storage = $this->entityTypeManager
            ->getStorage('entity_test_mulrev');
        // Create a test entity.
        $entity = EntityTestMulRev::create([
            'name' => $this->randomString(),
            'user_id' => $user->id(),
            'language' => 'en',
        ]);
        $entity->save();
        $old_rev_id = $entity->getRevisionId();
        $translation = $entity->addTranslation('de');
        $translation->setNewRevision();
        $translation->save();
        $entity = $this->reloadEntity($entity);
        $this->assertTrue($entity->hasTranslation('de'));
        $entity = $storage->loadRevision($old_rev_id);
        $entity->setNewRevision();
        $entity->isDefaultRevision(TRUE);
        $entity->save();
        $entity = $this->reloadEntity($entity);
        $this->assertFalse($entity->hasTranslation('de'));
    }
    
    /**
     * Tests the translation values when saving a pending revision.
     */
    public function testTranslationValuesWhenSavingPendingRevisions() : void {
        $user = $this->createUser();
        
        /** @var \Drupal\Core\Entity\RevisionableStorageInterface $storage */
        $storage = $this->entityTypeManager
            ->getStorage('entity_test_mulrev');
        // Create a test entity and a translation for it.
        $entity = EntityTestMulRev::create([
            'name' => 'default revision - en',
            'user_id' => $user->id(),
            'language' => 'en',
        ]);
        $entity->addTranslation('de', [
            'name' => 'default revision - de',
        ]);
        $entity->save();
        // Create a pending revision for the entity and change a field value for
        // both languages.
        $pending_revision = $this->reloadEntity($entity);
        $pending_revision->setNewRevision();
        $pending_revision->isDefaultRevision(FALSE);
        $pending_revision->name = 'pending revision - en';
        $pending_revision->save();
        $pending_revision_translation = $pending_revision->getTranslation('de');
        $pending_revision_translation->name = 'pending revision - de';
        $pending_revision_translation->save();
        $pending_revision_id = $pending_revision->getRevisionId();
        $pending_revision = $storage->loadRevision($pending_revision_id);
        // Change the value of the field in the default language, save the pending
        // revision and check that the value of the field in the second language is
        // also taken from the pending revision, *not* from the default revision.
        $pending_revision->name = 'updated pending revision - en';
        $pending_revision->save();
        $pending_revision = $storage->loadRevision($pending_revision_id);
        $this->assertEquals('updated pending revision - en', $pending_revision->name->value);
        $this->assertEquals('pending revision - de', $pending_revision->getTranslation('de')->name->value);
    }
    
    /**
     * Tests changing the default revision flag is propagated to all translations.
     */
    public function testDefaultRevision() : void {
        // Create a test entity with a translation, which will internally trigger
        // entity cloning for the new translation and create references for some of
        // the entity properties.
        $entity = EntityTestMulRev::create([
            'name' => 'original',
            'language' => 'en',
        ]);
        $translation = $entity->addTranslation('de');
        $entity->save();
        // Assert that the entity is in the default revision.
        $this->assertTrue($entity->isDefaultRevision());
        $this->assertTrue($translation->isDefaultRevision());
        // Change the default revision flag on one of the entity translations and
        // assert that the change is propagated to all entity translation objects.
        $translation->isDefaultRevision(FALSE);
        $this->assertFalse($entity->isDefaultRevision());
        $this->assertFalse($translation->isDefaultRevision());
    }
    
    /**
     * @covers \Drupal\Core\Entity\ContentEntityBase::setNewRevision
     */
    public function testSetNewRevision() : void {
        $user = $this->createUser();
        // All revisionable entity variations have to have the same results.
        foreach (entity_test_entity_types(ENTITY_TEST_TYPES_REVISABLE) as $entity_type) {
            $this->installEntitySchema($entity_type);
            $storage = \Drupal::entityTypeManager()->getStorage($entity_type);
            $entity = $storage->create([
                'name' => 'foo',
                'user_id' => $user->id(),
            ]);
            $entity->save();
            $entity_id = $entity->id();
            $entity_rev_id = $entity->getRevisionId();
            $entity = $storage->loadUnchanged($entity_id);
            $entity->setNewRevision(TRUE);
            $entity->setNewRevision(FALSE);
            $entity->save();
            $entity = $storage->loadUnchanged($entity_id);
            $this->assertEquals($entity_rev_id, $entity->getRevisionId(), 'A new entity revision was not created.');
        }
    }
    
    /**
     * Tests that revision translations are correctly detected.
     *
     * @covers \Drupal\Core\Entity\ContentEntityStorageBase::isAnyStoredRevisionTranslated
     */
    public function testIsAnyStoredRevisionTranslated() : void {
        
        /** @var \Drupal\Core\Entity\ContentEntityStorageInterface $storage */
        $storage = $this->entityTypeManager
            ->getStorage('entity_test_mul');
        $method = new \ReflectionMethod(get_class($storage), 'isAnyStoredRevisionTranslated');
        // Check that a non-revisionable new entity is handled correctly.
        $entity = EntityTestMul::create();
        $this->assertEmpty($entity->getTranslationLanguages(FALSE));
        $this->assertFalse($method->invoke($storage, $entity));
        $entity->addTranslation('it');
        $this->assertNotEmpty($entity->getTranslationLanguages(FALSE));
        $this->assertFalse($method->invoke($storage, $entity));
        // Check that not yet stored translations are handled correctly.
        $entity = EntityTestMul::create();
        $entity->save();
        $entity->addTranslation('it');
        $this->assertNotEmpty($entity->getTranslationLanguages(FALSE));
        $this->assertFalse($method->invoke($storage, $entity));
        // Check that removed translations are handled correctly.
        $entity->save();
        $entity->removeTranslation('it');
        $this->assertEmpty($entity->getTranslationLanguages(FALSE));
        $this->assertTrue($method->invoke($storage, $entity));
        $entity->save();
        $this->assertEmpty($entity->getTranslationLanguages(FALSE));
        $this->assertFalse($method->invoke($storage, $entity));
        $entity->addTranslation('de');
        $entity->removeTranslation('de');
        $this->assertEmpty($entity->getTranslationLanguages(FALSE));
        $this->assertFalse($method->invoke($storage, $entity));
        // Check that a non-revisionable not translated entity is handled correctly.
        $entity = EntityTestMul::create();
        $entity->save();
        $this->assertEmpty($entity->getTranslationLanguages(FALSE));
        $this->assertFalse($method->invoke($storage, $entity));
        // Check that a non-revisionable translated entity is handled correctly.
        $entity->addTranslation('it');
        $entity->save();
        $this->assertNotEmpty($entity->getTranslationLanguages(FALSE));
        $this->assertTrue($method->invoke($storage, $entity));
        
        /** @var \Drupal\Core\Entity\ContentEntityStorageInterface $storage */
        $storage = $this->entityTypeManager
            ->getStorage('entity_test_mulrev');
        // Check that a revisionable new entity is handled correctly.
        $entity = EntityTestMulRev::create();
        $this->assertEmpty($entity->getTranslationLanguages(FALSE));
        $this->assertFalse($method->invoke($storage, $entity));
        $entity->addTranslation('it');
        $this->assertNotEmpty($entity->getTranslationLanguages(FALSE));
        $this->assertFalse($method->invoke($storage, $entity));
        // Check that a revisionable not translated entity is handled correctly.
        $entity = EntityTestMulRev::create();
        $entity->save();
        $this->assertEmpty($entity->getTranslationLanguages(FALSE));
        $this->assertFalse($method->invoke($storage, $entity));
        // Check that a revisionable translated pending revision is handled
        // correctly.
        
        /** @var \Drupal\Core\Entity\ContentEntityInterface $new_revision */
        $new_revision = $storage->createRevision($entity, FALSE);
        $new_revision->addTranslation('it');
        $new_revision->save();
        
        /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
        $entity = $storage->loadUnchanged($entity->id());
        $this->assertEmpty($entity->getTranslationLanguages(FALSE));
        $this->assertNotEmpty($new_revision->getTranslationLanguages(FALSE));
        $this->assertTrue($method->invoke($storage, $entity));
        // Check that a revisionable translated default revision is handled
        // correctly.
        $new_revision->isDefaultRevision(TRUE);
        $new_revision->save();
        
        /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
        $entity = $storage->loadUnchanged($entity->id());
        $this->assertNotEmpty($entity->getTranslationLanguages(FALSE));
        $this->assertNotEmpty($new_revision->getTranslationLanguages(FALSE));
        $this->assertTrue($method->invoke($storage, $entity));
    }

}