Task results: upload allegati per MeasurementTec, percorsi in task_results/, test e migrazione 018 (#55 #53 #54)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/backend/tests/test_migrations.py

@@ -168,3 +168,68 @@ class TestUserPinMigration:
         assert not (new & cols())
         command.upgrade(cfg, "head")  # e di nuovo su
         assert new <= cols()
+
+
+_SEED_USER_RECIPE_VERSION = [
+    "INSERT INTO users (username, password_hash, display_name, roles, is_admin, active,"
+    " language_pref, theme_pref) VALUES ('u', 'x', 'U', '[]', 1, 1, 'en', 'light')",
+    "INSERT INTO recipes (code, name, active, created_by) VALUES ('R', 'R', 1, 1)",
+    "INSERT INTO recipe_versions (recipe_id, version_number, is_current, created_by)"
+    " VALUES (1, 1, 1, 1)",
+]
+
+
+class TestTaskLoopResultsMigration:
+    """018_task_loop_results: in_loop/at_close/fields, tipo check, task_results (#53 #54 #55)."""
+
+    def test_018_upgrade_and_downgrade(self, sqlite_database_url):
+        db_path, _ = sqlite_database_url
+        cfg = _alembic_config()
+
+        def cols():
+            return {c["name"] for c in _inspect(db_path).get_columns("recipe_tasks")}
+
+        command.upgrade(cfg, "head")
+        assert {"in_loop", "at_close", "fields"} <= cols()
+        assert "task_results" in _inspect(db_path).get_table_names()
+        command.downgrade(cfg, "017_user_pin")
+        assert not ({"in_loop", "at_close", "fields"} & cols())
+        assert "task_results" not in _inspect(db_path).get_table_names()
+        command.upgrade(cfg, "head")  # e di nuovo su
+
+    def test_018_marks_existing_measure_tasks_in_loop(self, sqlite_database_url):
+        db_path, _ = sqlite_database_url
+        cfg = _alembic_config()
+        command.upgrade(cfg, "017_user_pin")
+        engine = create_engine(f"sqlite:///{db_path}")
+        with engine.begin() as conn:
+            for stmt in _SEED_USER_RECIPE_VERSION:
+                conn.execute(text(stmt))
+            for i, t in enumerate(("measure", "camera_measure", "dxf_compare", "note", "drawing")):
+                conn.execute(text(
+                    "INSERT INTO recipe_tasks (version_id, order_index, task_type, title)"
+                    f" VALUES (1, {i}, '{t}', '{t}')"))
+        engine.dispose()
+
+        command.upgrade(cfg, "head")
+        engine = create_engine(f"sqlite:///{db_path}")
+        with engine.connect() as conn:
+            rows = dict(conn.execute(text("SELECT task_type, in_loop FROM recipe_tasks")).all())
+        engine.dispose()
+        assert rows == {"measure": 1, "camera_measure": 1, "dxf_compare": 1, "note": 0, "drawing": 0}
+
+    def test_018_downgrade_refused_when_a_check_task_exists(self, sqlite_database_url):
+        db_path, _ = sqlite_database_url
+        cfg = _alembic_config()
+        command.upgrade(cfg, "head")
+        engine = create_engine(f"sqlite:///{db_path}")
+        with engine.begin() as conn:
+            for stmt in _SEED_USER_RECIPE_VERSION:
+                conn.execute(text(stmt))
+            conn.execute(text(
+                "INSERT INTO recipe_tasks (version_id, order_index, task_type, title)"
+                " VALUES (1, 0, 'check', 'c')"))
+        engine.dispose()
+
+        with pytest.raises(RuntimeError, match="check"):
+            command.downgrade(cfg, "017_user_pin")