More SpatiaLite details on /-/versions, closes #1607

tests/test_spatialite.py

@@ -0,0 +1,21 @@
+from datasette.app import Datasette
+from datasette.utils import find_spatialite, SpatialiteNotFound, SPATIALITE_FUNCTIONS
+import pytest
+
+
+def has_spatialite():
+    try:
+        find_spatialite()
+        return True
+    except SpatialiteNotFound:
+        return False
+
+
+@pytest.mark.asyncio
+@pytest.mark.skipif(not has_spatialite(), reason="Requires SpatiaLite")
+async def test_spatialite_version_info():
+    ds = Datasette(sqlite_extensions=["spatialite"])
+    response = await ds.client.get("/-/versions.json")
+    assert response.status_code == 200
+    spatialite = response.json()["sqlite"]["extensions"]["spatialite"]
+    assert set(SPATIALITE_FUNCTIONS) == set(spatialite)