Test: quota NaN chiede il capoturno, migrazione 022 conserva le righe

Refs #125

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

src/backend/tests/test_migrations.py

@@ -379,3 +379,55 @@ class TestMeasurementValueNullableMigration:
         assert value_nullable() is False
         command.upgrade(cfg, "head")  # e di nuovo su
         assert value_nullable() is True
+
+    def test_022_keeps_rows(self, sqlite_database_url):
+        """#125: la ricostruzione della tabella conserva righe, somma dei value e indici."""
+        import sqlite3
+
+        db_path, _ = sqlite_database_url
+        cfg = _alembic_config()
+        command.upgrade(cfg, "021_task_acquisition")
+
+        def indexes(con):
+            return sorted(r[0] for r in con.execute(
+                "select name from sqlite_master where type='index' and tbl_name='measurements'"
+            ))
+
+        con = sqlite3.connect(db_path)
+        # Colonne NOT NULL senza default riempite per tipo (stessa idea di mig_check.py)
+        vals = {}
+        for _cid, name, typ, notnull, dflt, pk in con.execute("pragma table_info(measurements)").fetchall():
+            if pk or not notnull or dflt is not None:
+                continue
+            t = typ.upper()
+            vals[name] = (
+                1 if "INT" in t
+                else 1.5 if ("DEC" in t or "FLOAT" in t or "NUM" in t)
+                else "2026-01-01 00:00:00" if ("DATE" in t or "TIME" in t)
+                else "x"
+            )
+        vals["pass_fail"] = "pass"
+        vals["value"] = 12.5
+        sql = f"insert into measurements ({','.join(vals)}) values ({','.join('?' * len(vals))})"
+        for _ in range(3):
+            con.execute(sql, list(vals.values()))
+        con.commit()
+        before_idx = indexes(con)
+        before = con.execute("select count(*), sum(value) from measurements").fetchone()
+        con.close()
+        assert before == (3, 37.5)
+
+        command.upgrade(cfg, "head")
+
+        con = sqlite3.connect(db_path)
+        try:
+            assert con.execute("select count(*), sum(value) from measurements").fetchone() == before
+            assert indexes(con) == before_idx
+            assert con.execute("pragma integrity_check").fetchone()[0] == "ok"
+            vals["value"] = None
+            vals["pass_fail"] = "fail"
+            con.execute(sql, list(vals.values()))  # una riga NaN (value NULL) ora e' accettata
+            con.commit()
+            assert con.execute("select count(*) from measurements where value is null").fetchone()[0] == 1
+        finally:
+            con.close()

src/backend/tests/test_vision_execute.py

@@ -216,10 +216,11 @@ async def test_a_non_finite_output_is_saved_as_nan(
 
 
 @pytest.mark.asyncio
-async def test_a_nan_quote_still_blocks_the_next_acquisition(
+async def test_a_nan_quote_needs_supervisor_authorisation(
     client, db_session, measurement_tec_user, worker_says,
 ):
-    """#118: la quota NaN e' un fail come gli altri, il blocco di tolleranza resta."""
+    """#125: la quota NaN e' un fail come gli altri e chiede il capoturno (pending_authorisation);
+    la prossima acquisizione non e' bloccata."""
     recipe = await create_test_recipe(db_session, measurement_tec_user.id)
     version, task, first, second = await two_vision_quotes(db_session, recipe.id)
     worker_says({"t1.radius": GOOD})
@@ -230,6 +231,15 @@ async def test_a_nan_quote_still_blocks_the_next_acquisition(
     )
     assert blocking is not None and blocking.subtask_id == first.id and blocking.value is None
 
+    # #125: una seconda acquisizione sullo stesso task risponde 200, non e' bloccata
+    again = await client.post(
+        "/api/vision/execute",
+        headers=auth_headers(measurement_tec_user),
+        files={"image": ("p.png", an_image(), "image/png")},
+        data={"task_id": str(task.id)},
+    )
+    assert again.status_code == 200, again.text
+
 
 @pytest.mark.asyncio
 async def test_check_lists_a_missing_quote_as_nan(