diff -r 7b2dcd2b31c1 -r 74fba571487e server/src/tests/Models/DocumentTest.php
--- a/server/src/tests/Models/DocumentTest.php	Mon Feb 06 16:05:02 2017 +0100
+++ b/server/src/tests/Models/DocumentTest.php	Wed Feb 08 15:25:24 2017 +0100
@@ -36,6 +36,16 @@
         $this->assertEquals(config('corpusparole.corpus_id_scheme').'crdo-CFPP2000_35_SOUNDid',$doc->getId(),'Must have the correct id');
     }
 
+    public function testCocoonId() {
+        $doc = new Document(config('corpusparole.corpus_doc_id_base_uri')."crdo-CFPP2000_35_SOUND", $this->inputGraphes['TEST']);
+        $this->assertEquals('crdo-CFPP2000_35_SOUND',$doc->getCocoonId(),'Must have the correct cocoon id');
+    }
+    public function testCocoonIdWithIdBefore() {
+        $doc = new Document(config('corpusparole.corpus_doc_id_base_uri')."crdo-CFPP2000_35_SOUND", $this->inputGraphes['TEST']);
+        $this->assertEquals(config('corpusparole.corpus_id_scheme').'crdo-CFPP2000_35_SOUNDid',$doc->getId(),'Must have the correct id');
+        $this->assertEquals('crdo-CFPP2000_35_SOUND',$doc->getCocoonId(),'Must have the correct cocoon id');
+    }
+
     public function testTitle() {
         $this->assertNotNull($this->inputGraphes['TEST'], 'Graph shoud not be null');
 
@@ -427,13 +437,37 @@
         $json = $doc->jsonSerialize();
 
         $this->assertTrue(is_array($json), 'Returned json must be an array');
-        $this->assertEquals(
-            [ "id", "uri", "title", "languages", "modified", "issued",
+        $expectedKeys = [ "id", "cocoonId", "uri", "title", "languages", "modified", "issued",
               "created", "publishers", "contributors", "subjects", "types",
               "transcript", "mediaArray", "geoInfo", "descriptions",
-              "alternativeTitle", "rights"],
-            array_keys($json)
-        );
+              "alternativeTitle", "rights"];
+        sort($expectedKeys);
+        $arrayKeys = array_keys($json);
+        sort($arrayKeys);
+        $this->assertEquals($expectedKeys, $arrayKeys);
+        $this->assertEquals(sprintf('%1$s/crdo-CFPP2000_35_SOUNDid', config('corpusparole.handle_prefix')), $json['id']);
+        $this->assertTrue(is_array($json['transcript']));
+        $this->assertTrue(is_array($json['mediaArray']));
+        $this->assertTrue(is_array($json['subjects']));
+        $this->assertTrue(is_array($json['types']));
+
+    }
+
+    public function testJsonSerializeSetCountryCode() {
+        $doc = new Document(config('corpusparole.corpus_doc_id_base_uri')."crdo-CFPP2000_35_SOUND", $this->inputGraphes['TEST']);
+
+        $doc->setCountryCode('3017382');
+        $json = $doc->jsonSerialize();
+
+        $this->assertTrue(is_array($json), 'Returned json must be an array');
+        $expectedKeys = [ "id", "cocoonId", "uri", "title", "languages", "modified", "issued",
+              "created", "publishers", "contributors", "subjects", "types",
+              "transcript", "mediaArray", "geoInfo", "descriptions",
+              "alternativeTitle", "rights", 'countryCode' ];
+        sort($expectedKeys);
+        $arrayKeys = array_keys($json);
+        sort($arrayKeys);
+        $this->assertEquals($expectedKeys, $arrayKeys);
         $this->assertEquals(sprintf('%1$s/crdo-CFPP2000_35_SOUNDid', config('corpusparole.handle_prefix')), $json['id']);
         $this->assertTrue(is_array($json['transcript']));
         $this->assertTrue(is_array($json['mediaArray']));