class EntityTranslationNormalizeTest

class EntityTranslationNormalizeTest extends NormalizerTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'node',
        'content_translation',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $this->installSchema('system', [
            'sequences',
        ]);
        $this->installConfig([
            'node',
            'content_translation',
        ]);
    }
    
    /**
     * Tests the normalization of node translations.
     */
    public function testNodeTranslation() {
        $node_type = NodeType::create([
            'type' => 'example_type',
        ]);
        $node_type->save();
        $this->container
            ->get('content_translation.manager')
            ->setEnabled('node', 'example_type', TRUE);
        $user = User::create([
            'name' => $this->randomMachineName(),
        ]);
        $user->save();
        $node = Node::create([
            'title' => $this->randomMachineName(),
            'uid' => (int) $user->id(),
            'type' => $node_type->id(),
            'status' => NodeInterface::PUBLISHED,
            'langcode' => 'en',
            'promote' => 1,
            'sticky' => 0,
            'body' => [
                'value' => $this->randomMachineName(),
                'format' => $this->randomMachineName(),
            ],
            'revision_log' => $this->randomString(),
        ]);
        $node->addTranslation('de', [
            'title' => 'German title',
            'body' => [
                'value' => $this->randomMachineName(),
                'format' => $this->randomMachineName(),
            ],
        ]);
        $node->save();
        $original_values = $node->toArray();
        $translation = $node->getTranslation('de');
        $original_translation_values = $node->getTranslation('en')
            ->toArray();
        $normalized = $this->serializer
            ->normalize($node, $this->format);
        $this->assertContains([
            'lang' => 'en',
            'value' => $node->getTitle(),
        ], $normalized['title'], 'Original language title has been normalized.');
        $this->assertContains([
            'lang' => 'de',
            'value' => $translation->getTitle(),
        ], $normalized['title'], 'Translation language title has been normalized.');
        
        /** @var \Drupal\node\NodeInterface $denormalized_node */
        $denormalized_node = $this->serializer
            ->denormalize($normalized, 'Drupal\\node\\Entity\\Node', $this->format);
        $this->assertSame($denormalized_node->language()
            ->getId(), $denormalized_node->getUntranslated()
            ->language()
            ->getId(), 'Untranslated object is returned from serializer.');
        $this->assertSame('en', $denormalized_node->language()
            ->getId());
        $this->assertTrue($denormalized_node->hasTranslation('de'));
        $this->assertSame($node->getTitle(), $denormalized_node->getTitle());
        $this->assertSame($translation->getTitle(), $denormalized_node->getTranslation('de')
            ->getTitle());
        $original_values['revision_default'] = [];
        $original_translation_values['revision_default'] = [];
        $this->assertEquals($original_values, $denormalized_node->toArray(), 'Node values are restored after normalizing and denormalizing.');
        $this->assertEquals($original_translation_values, $denormalized_node->getTranslation('en')
            ->toArray(), 'Node values are restored after normalizing and denormalizing.');
    }

}