feat(fao-open-knowledge): add unit tests for FAO Open Knowledge models and metadata validation

Author: lpi-tn

tests/source_models/__init__.py

@@ -0,0 +1,137 @@
+import json
+import unittest
+
+from welearn_datastack.data.source_models.fao_open_knowledge import Item, Bundle
+
+
+class TestFAOOpenKnowledgeCollector(unittest.TestCase):
+    def setUp(self):
+        self.fao_item_json = """{
+  "id": "fbb8e632-fbcb-4e0f-8d5d-149954a0cda8",
+  "uuid": "fbb8e632-fbcb-4e0f-8d5d-149954a0cda8",
+  "name": "Resilient and inclusive rural transformation",
+  "handle": "20.500.14283/cd8162en",
+  "metadata": {
+    "dc.contributor.author": [
+      {
+        "value": "Davis, B.; Bhalla, G.;",
+        "language": "",
+        "authority": null,
+        "confidence": -1,
+        "place": 0
+      }
+    ]
+  },
+  "inArchive": true,
+  "discoverable": true,
+  "withdrawn": false,
+  "lastModified": "2026-02-01T17:19:29.441+00:00",
+  "entityType": null,
+  "type": "item",
+  "_links": {
+    "bundles": {
+      "href": "https://openknowledge.fao.org/server/api/core/items/fbb8e632-fbcb-4e0f-8d5d-149954a0cda8/bundles"
+    },
+    "mappedCollections": {
+      "href": "https://openknowledge.fao.org/server/api/core/items/fbb8e632-fbcb-4e0f-8d5d-149954a0cda8/mappedCollections"
+    },
+    "owningCollection": {
+      "href": "https://openknowledge.fao.org/server/api/core/items/fbb8e632-fbcb-4e0f-8d5d-149954a0cda8/owningCollection"
+    },
+    "relationships": {
+      "href": "https://openknowledge.fao.org/server/api/core/items/fbb8e632-fbcb-4e0f-8d5d-149954a0cda8/relationships"
+    },
+    "version": {
+      "href": "https://openknowledge.fao.org/server/api/core/items/fbb8e632-fbcb-4e0f-8d5d-149954a0cda8/version"
+    },
+    "templateItemOf": {
+      "href": "https://openknowledge.fao.org/server/api/core/items/fbb8e632-fbcb-4e0f-8d5d-149954a0cda8/templateItemOf"
+    },
+    "thumbnail": {
+      "href": "https://openknowledge.fao.org/server/api/core/items/fbb8e632-fbcb-4e0f-8d5d-149954a0cda8/thumbnail"
+    },
+    "relateditemlistconfigs": {
+      "href": "https://openknowledge.fao.org/server/api/core/items/fbb8e632-fbcb-4e0f-8d5d-149954a0cda8/relateditemlistconfigs"
+    },
+    "self": {
+      "href": "https://openknowledge.fao.org/server/api/core/items/fbb8e632-fbcb-4e0f-8d5d-149954a0cda8"
+    }
+  }
+}"""
+        self.item_as_dict = json.loads(self.fao_item_json)
+
+        self.fao_bundle_json = """
+        {
+        "uuid": "f1860866-a97a-432a-8dbe-d3d62f58ee85",
+        "name": "ORIGINAL",
+        "handle": null,
+        "metadata": {
+          "dc.title": [
+            {
+              "value": "ORIGINAL",
+              "language": null,
+              "authority": null,
+              "confidence": -1,
+              "place": 0
+            }
+          ]
+        },
+        "type": "bundle",
+        "_links": {
+          "item": {
+            "href": "https://openknowledge.fao.org/server/api/core/bundles/f1860866-a97a-432a-8dbe-d3d62f58ee85/item"
+          },
+          "bitstreams": {
+            "href": "https://openknowledge.fao.org/server/api/core/bundles/f1860866-a97a-432a-8dbe-d3d62f58ee85/bitstreams"
+          },
+          "primaryBitstream": {
+            "href": "https://openknowledge.fao.org/server/api/core/bundles/f1860866-a97a-432a-8dbe-d3d62f58ee85/primaryBitstream"
+          },
+          "self": {
+            "href": "https://openknowledge.fao.org/server/api/core/bundles/f1860866-a97a-432a-8dbe-d3d62f58ee85"
+          }
+        }
+      }"""
+
+        self.bundle_as_dict = json.loads(self.fao_bundle_json)
+
+        self.fao_metadata_entry = """{
+        "dc.contributor.author": [
+      {
+        "value": "Davis, B.; Bhalla, G.;",
+        "language": "",
+        "authority": null,
+        "confidence": -1,
+        "place": 0
+      }
+    ]
+    }"""
+
+        self.metadata_entry_as_dict = json.loads(self.fao_metadata_entry)
+
+    def test_item_model(self):
+        item = Item.model_validate(self.item_as_dict)
+        self.assertEqual(item.id, "fbb8e632-fbcb-4e0f-8d5d-149954a0cda8")
+        self.assertEqual(item.name, "Resilient and inclusive rural transformation")
+        self.assertIn("dc.contributor.author", item.metadata)
+        self.assertEqual(len(item.metadata["dc.contributor.author"]), 1)
+        self.assertEqual(
+            item.metadata["dc.contributor.author"][0]["value"], "Davis, B.; Bhalla, G.;"
+        )
+
+    def test_bundle_model(self):
+        bundle = Bundle.model_validate(self.bundle_as_dict)
+        self.assertEqual(bundle.uuid, "f1860866-a97a-432a-8dbe-d3d62f58ee85")
+        self.assertEqual(bundle.name, "ORIGINAL")
+        self.assertIn("dc.title", bundle.metadata)
+        self.assertEqual(len(bundle.metadata["dc.title"]), 1)
+        self.assertEqual(bundle.metadata["dc.title"][0]["value"], "ORIGINAL")
+
+    def test_metadata_entry(self):
+        metadata_entry = self.metadata_entry_as_dict
+        self.assertIn("dc.contributor.author", metadata_entry)
+        self.assertEqual(len(metadata_entry["dc.contributor.author"]), 1)
+        self.assertEqual(
+            metadata_entry["dc.contributor.author"][0]["value"],
+            "Davis, B.; Bhalla, G.;",
+        )