Adding autovivify aps

tests/test_scope_import.py

@@ -235,6 +235,55 @@ async def test_unknown_fit_reference_is_reported(db_sessionmaker):
         assert await fit_crud.list_for_part(db, part.id) == []
 
 
+async def _make_bare_part(db, sku):
+    """A non-scope part with no attachment points at all."""
+    colour = await part_colour_crud.get_by_name(db, "Black")
+    if colour is None:
+        colour = await part_colour_crud.create(db, name="Black")
+    manu = await manufacturer_crud.get_by_name(db, "Armament")
+    if manu is None:
+        manu = await manufacturer_crud.create(db, name="Armament", url="")
+    pt = await part_type_crud.get_by_name(db, "Flip Cover")
+    if pt is None:
+        pt = await part_type_crud.create(db, name="Flip Cover")
+    return await augmented_part_crud.create(
+        db,
+        sku=sku,
+        description=f"Accessory {sku}",
+        colour_id=colour.id,
+        manufacturer_id=manu.id,
+        scope_model_id=None,
+        part_type_id=pt.id,
+        sub_part_type_id=None,
+    )
+
+
+async def test_fit_reference_without_attachment_points_creates_matching_one(
+    db_sessionmaker,
+):
+    async with db_sessionmaker() as db:
+        await _make_bare_part(db, "ACC-BARE")
+
+        data = _workbook([_scope_row(ocular_fit="ACC-BARE")])
+        result = await scope_import_service.import_from_bytes(db, data)
+        assert result.created == 1
+        msgs = " ".join(result.rows[0].messages)
+        assert "created one matching the scope's attachment point" in msgs
+
+        acc = await augmented_part_crud.get_by_sku(db, "ACC-BARE")
+        acc_aps = await attachment_point_crud.list_for_augmented_part(db, acc.id)
+        assert len(acc_aps) == 1
+        assert acc_aps[0].static_connection is not None
+        assert acc_aps[0].static_connection.od_mm == 40
+        assert acc_aps[0].attachment_point_name.name == "Ocular"
+
+        part = await augmented_part_crud.get_by_sku(db, "SCOPE-A")
+        fits = await fit_crud.list_for_part(db, part.id)
+        assert len(fits) == 1
+        linked_ap_ids = {fits[0].attachment_point_a_id, fits[0].attachment_point_b_id}
+        assert acc_aps[0].id in linked_ap_ids
+
+
 async def test_unc_objective_thread_creates_unc_attachment_point(db_sessionmaker):
     async with db_sessionmaker() as db:
         data = _workbook([_scope_row(objective_thread="1.750-32 UNS")])