Add tests to confirm that upsert method results in success when posti…

…ng the same items twice

stac_fastapi/pgstac/transactions.py

@@ -185,9 +185,11 @@ async def bulk_item_insert(self, items: Items, request: Request, **kwargs) -> st
 
         async with request.app.state.get_connection(request, "w") as conn:
             if items.method == BulkTransactionMethod.INSERT:
+                method_verb = "added"
                 await dbfunc(conn, "create_items", items_to_insert)
             elif items.method == BulkTransactionMethod.UPSERT:
+                method_verb = "upserted"
                 await dbfunc(conn, "upsert_items", items_to_insert)
 
-        return_msg = f"Successfully added {len(items_to_insert)} items."
+        return_msg = f"Successfully {method_verb} {len(items_to_insert)} items."
         return return_msg

tests/clients/test_postgres.py

@@ -326,6 +326,76 @@ async def test_create_bulk_items(
         assert resp.status_code == 200
 
 
+async def test_create_bulk_items_already_exist_insert(
+    app_client, load_test_data: Callable, load_test_collection
+):
+    coll = load_test_collection
+    item = load_test_data("test_item.json")
+
+    items = {}
+    for _ in range(2):
+        _item = deepcopy(item)
+        _item["id"] = str(uuid.uuid4())
+        items[_item["id"]] = _item
+
+    payload = {"items": items, "method": "insert"}
+
+    resp = await app_client.post(
+        f"/collections/{coll.id}/bulk_items",
+        json=payload,
+    )
+    assert resp.status_code == 200
+    assert resp.text == '"Successfully added 2 items."'
+
+    for item_id in items.keys():
+        resp = await app_client.get(f"/collections/{coll.id}/items/{item_id}")
+        assert resp.status_code == 200
+
+    # Try creating the same items again.
+    # This should fail with the default insert behavior.
+    resp = await app_client.post(
+        f"/collections/{coll.id}/bulk_items",
+        json=payload,
+    )
+    assert resp.status_code == 409
+
+
+async def test_create_bulk_items_already_exist_upsert(
+    app_client, load_test_data: Callable, load_test_collection
+):
+    coll = load_test_collection
+    item = load_test_data("test_item.json")
+
+    items = {}
+    for _ in range(2):
+        _item = deepcopy(item)
+        _item["id"] = str(uuid.uuid4())
+        items[_item["id"]] = _item
+
+    payload = {"items": items, "method": "insert"}
+
+    resp = await app_client.post(
+        f"/collections/{coll.id}/bulk_items",
+        json=payload,
+    )
+    assert resp.status_code == 200
+    assert resp.text == '"Successfully added 2 items."'
+
+    for item_id in items.keys():
+        resp = await app_client.get(f"/collections/{coll.id}/items/{item_id}")
+        assert resp.status_code == 200
+
+    # Try creating the same items again, but using upsert.
+    # This should succeed.
+    payload["method"] = "upsert"
+    resp = await app_client.post(
+        f"/collections/{coll.id}/bulk_items",
+        json=payload,
+    )
+    assert resp.status_code == 200
+    assert resp.text == '"Successfully upserted 2 items."'
+
+
 # TODO since right now puts implement upsert
 # test_create_collection_already_exists
 # test create_item_already_exists