Improve coverage for scientific, version exts

Author: duckontheweb

tests/extensions/test_datacube.py

@@ -1,18 +1,15 @@
-import json
 import unittest
 import pystac
 from pystac.extensions.datacube import DatacubeExtension
 
-from tests.utils import TestCases, assert_to_from_dict
+from tests.utils import TestCases
 
 
 class DatacubeTest(unittest.TestCase):
     def setUp(self) -> None:
         self.maxDiff = None
-        self.example_uri = TestCases.get_path(
-            "data-files/datacube/item.json"
-        )
-    
+        self.example_uri = TestCases.get_path("data-files/datacube/item.json")
+
     def test_validate_datacube(self) -> None:
         item = pystac.Item.from_file(self.example_uri)
         item.validate()
@@ -52,4 +49,4 @@ def test_asset_ext_add_to(self) -> None:
 
         _ = DatacubeExtension.ext(asset, add_if_missing=True)
 
-        self.assertIn(DatacubeExtension.get_schema_uri(), item.stac_extensions)
+        self.assertIn(DatacubeExtension.get_schema_uri(), item.stac_extensions)

tests/extensions/test_scientific.py

@@ -395,6 +395,17 @@ def test_extension_not_implemented(self) -> None:
         with self.assertRaises(pystac.ExtensionNotImplemented):
             _ = ScientificExtension.ext(collection)
 
+    def test_ext_add_to(self) -> None:
+        collection = pystac.Collection.from_file(self.example_collection_uri)
+        collection.stac_extensions.remove(ScientificExtension.get_schema_uri())
+        self.assertNotIn(
+            ScientificExtension.get_schema_uri(), collection.stac_extensions
+        )
+
+        _ = ScientificExtension.ext(collection, add_if_missing=True)
+
+        self.assertIn(ScientificExtension.get_schema_uri(), collection.stac_extensions)
+
 
 class SummariesScientificTest(unittest.TestCase):
     def setUp(self) -> None:

tests/extensions/test_version.py

@@ -452,6 +452,15 @@ def test_extension_not_implemented(self) -> None:
         with self.assertRaises(pystac.ExtensionNotImplemented):
             _ = VersionExtension.ext(collection)
 
+    def test_ext_add_to(self) -> None:
+        collection = pystac.Collection.from_file(self.example_collection_uri)
+        collection.stac_extensions.remove(VersionExtension.get_schema_uri())
+        self.assertNotIn(VersionExtension.get_schema_uri(), collection.stac_extensions)
+
+        _ = VersionExtension.ext(collection, add_if_missing=True)
+
+        self.assertIn(VersionExtension.get_schema_uri(), collection.stac_extensions)
+
 
 if __name__ == "__main__":
     unittest.main()