Add IIIF manifest validation using Tripoli

requirements.txt

@@ -17,3 +17,4 @@ requests==2.18.4
 roman==2.0.0
 urllib3==1.22
 ijson==2.3
+tripoli==2.0.0

src/documents/tests.py

@@ -2,6 +2,7 @@ from django.test import TestCase
 from django.urls import reverse
 from rest_framework.test import APITestCase
 from rest_framework import status
+from tripoli import IIIFValidator
 from documents.models import Document, DocumentLink, DocumentType, Page
 from images.models import ImageServer, Image
 
@@ -145,3 +146,11 @@ class TestVolumeManifestSerializer(APITestCase):
         self.assertEqual(len(topstruct['ranges']), 0)
         self.assertEqual(len(manifest['sequences']), 1)
         self.assertEqual(len(manifest['sequences'][0]['canvases']), 0)
+
+    def test_normal_manifest_iiif_validation(self):
+        response = self.client.get(reverse('api:volume-manifest', kwargs={'pk': self.vol.id}))
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        manifest = response.json()
+        iv = IIIFValidator()
+        iv.validate(manifest)
+        assert iv.is_valid