diff --git a/tests/test-relationship-metadatum-types.php b/tests/test-relationship-metadatum-types.php
new file mode 100644
index 000000000..296a449e0
--- /dev/null
+++ b/tests/test-relationship-metadatum-types.php
@@ -0,0 +1,171 @@
+<?php
+
+namespace Tainacan\Tests;
+
+/**
+ * Class TestCollections
+ *
+ * @package Test_Tainacan
+ */
+
+use Tainacan\Entities;
+
+/**
+ * Sample test case.
+ */
+class RelationshipMetadatumTypes extends TAINACAN_UnitTestCase {
+
+	private $collection_author = null;
+	private $collection_book = null;
+	private $collection_article = null;
+
+	public function setUp() {
+		parent::setUp();
+		$this->collection_book =    $this->tainacan_entity_factory->create_entity('collection', ['name' => 'Book',   'status' => 'publish'], true);
+		$this->collection_author =  $this->tainacan_entity_factory->create_entity('collection', ['name' => 'Author', 'status' => 'publish'], true);
+		$this->collection_article = $this->tainacan_entity_factory->create_entity('collection', ['name' => 'Article','status' => 'publish'], true);
+
+		$this->metadatum_author_book = $this->tainacan_entity_factory->create_entity(
+			'metadatum',
+			array(
+				'name' => 'author',
+				'description' => 'author',
+				'collection' => $this->collection_book,
+				'metadata_type'  => 'Tainacan\Metadata_Types\Relationship',
+				'status'	 => 'publish',
+				'metadata_type_options' => [
+					'display_in_related_items' => 'yes',
+					'collection_id' => $this->collection_author->get_id(),
+					'search' => ''
+				],
+				'multiple' => 'yes'
+			),
+			true
+		);
+
+		$this->metadatum_author_article = $this->tainacan_entity_factory->create_entity(
+			'metadatum',
+			array(
+				'name' => 'author',
+				'description' => 'author',
+				'collection' => $this->collection_article,
+				'metadata_type'  => 'Tainacan\Metadata_Types\Relationship',
+				'status'	 => 'publish',
+				'metadata_type_options' => [
+					'display_in_related_items' => 'yes',
+					'collection_id' => $this->collection_author->get_id(),
+					'search' => ''
+				],
+			),
+			true
+		);
+
+		$this->metadatum_second_author_article = $this->tainacan_entity_factory->create_entity(
+			'metadatum',
+			array(
+				'name' => 'secound author',
+				'description' => 'secound author',
+				'collection' => $this->collection_article,
+				'metadata_type'  => 'Tainacan\Metadata_Types\Relationship',
+				'status'	 => 'publish',
+				'metadata_type_options' => [
+					'display_in_related_items' => 'no',
+					'collection_id' => $this->collection_author->get_id(),
+					'search' => ''
+				]
+			),
+			true
+		);
+
+	}
+
+	function test_related_items() {
+		
+		$a1 = $this->tainacan_entity_factory->create_entity(
+			'item',
+			array(
+				'title'       => 'Lopes da silva',
+				'description' => 'autor fisico',
+				'collection'  => $this->collection_author,
+				'status'      => 'publish'
+			),
+			true
+		);
+
+		$a2 = $this->tainacan_entity_factory->create_entity(
+			'item',
+			array(
+				'title'       => 'Siqueira da martins',
+				'description' => 'autor simuante',
+				'collection'  => $this->collection_author,
+				'status'      => 'publish'
+			),
+			true
+		);
+
+		$b1 = $this->tainacan_entity_factory->create_entity(
+			'item',
+			array(
+				'title'       => 'O livro dos livros',
+				'description' => 'livro broxura',
+				'collection'  => $this->collection_book,
+				'status'      => 'publish'
+			),
+			true
+		);
+
+		$j1 = $this->tainacan_entity_factory->create_entity(
+			'item',
+			array(
+				'title'       => 'O artigo da semana',
+				'description' => 'artigo mais que cientifico',
+				'collection'  => $this->collection_article,
+				'status'      => 'publish'
+			),
+			true
+		);
+
+		$j2 = $this->tainacan_entity_factory->create_entity(
+			'item',
+			array(
+				'title'       => 'Não é magia é tecnologias',
+				'description' => 'So digo que não digo nada',
+				'collection'  => $this->collection_article,
+				'status'      => 'publish'
+			),
+			true
+		);
+
+		$this->tainacan_item_metadata_factory->create_item_metadata($j1, $this->metadatum_author_article, $a1->get_id());
+		$this->tainacan_item_metadata_factory->create_item_metadata($j1, $this->metadatum_second_author_article, $a2->get_id());
+
+		$this->tainacan_item_metadata_factory->create_item_metadata($j2, $this->metadatum_author_article, $a1->get_id());
+		$this->tainacan_item_metadata_factory->create_item_metadata($j2, $this->metadatum_second_author_article, $a2->get_id());
+		
+		$this->tainacan_item_metadata_factory->create_item_metadata($b1, $this->metadatum_author_book, [$a1->get_id(), $a2->get_id()]);
+
+		
+		$a1_related_items = $a1->get_related_items();
+		$a2_related_items = $a1->get_related_items();
+		
+		$this->assertTrue(isset($a1_related_items[$this->metadatum_author_article->get_id()]));
+		$this->assertEquals(2, count($a1_related_items[$this->metadatum_author_article->get_id()]['items']));
+		$this->assertTrue(!isset($a2_related_items[$this->metadatum_second_author_article->get_id()])); //não existe esse 
+		
+		$this->assertTrue(isset($a1_related_items[$this->metadatum_author_book->get_id()]));
+		$this->assertTrue(isset($a2_related_items[$this->metadatum_author_book->get_id()]));
+
+		$order = array([
+			'id' => $this->metadatum_author_article->get_id(),
+			'enabled' => false,
+		]);
+		$this->collection_article->set_metadata_order($order);
+		$this->collection_article->validate();
+		\tainacan_collections()->insert($this->collection_article);
+		\tainacan_items()->fetch($a1->get_id());
+		$a1_related_items = $a1->get_related_items();
+		$this->assertTrue(!isset($a1_related_items[$this->metadatum_author_article->get_id()]));
+
+	}
+	
+}
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