Grotti 3.0 Phase 1: Migrationen, Pool, Queue- und Abzug-Fixes.

Nummerierte SQL-Migrationen, psycopg-Pool, waitress, hängende Queue-Jobs,
sichere History-Abzüge, Chargen-Locks, Upload-/Host-Validierung, ProxyFix.

tests/test_jobs_spool.py

@@ -0,0 +1,65 @@
+"""Unit-Tests für Spulenwahl und Steuer-Parameter-Aliase."""
+
+import unittest
+from datetime import datetime, timedelta, timezone
+from unittest.mock import MagicMock, patch
+
+from grotti import jobs
+from grotti import moonraker
+
+
+class ChooseSpoolTests(unittest.TestCase):
+    def test_rejects_spool_created_after_print_end(self):
+        end = datetime(2026, 10, 1, 12, 0, tzinfo=timezone.utc)
+        old = {
+            "id": 1,
+            "material_type": "PLA",
+            "created_at": end - timedelta(days=2),
+        }
+        new = {
+            "id": 2,
+            "material_type": "PLA",
+            "created_at": end + timedelta(hours=1),
+        }
+        conn = MagicMock()
+        with patch("grotti.jobs.store.spools_for_printer", return_value=[new]):
+            with patch("grotti.jobs.store.get_spool_row", return_value=new):
+                self.assertIsNone(jobs.choose_spool(conn, "h", "PLA", 2, ended_at=end))
+        with patch("grotti.jobs.store.spools_for_printer", return_value=[old]):
+            self.assertEqual(jobs.choose_spool(conn, "h", "PLA", None, ended_at=end)["id"], 1)
+
+    def test_spool_valid_for_end_naive(self):
+        end = datetime(2026, 10, 1, 12, 0, tzinfo=timezone.utc)
+        spool = {"created_at": datetime(2026, 9, 1, 12, 0)}
+        self.assertTrue(jobs._spool_valid_for_end(spool, end))
+
+
+class SteuernAliasTests(unittest.TestCase):
+    @patch("grotti.moonraker.gcode_script", return_value={"ok": True})
+    def test_value_alias_for_temp(self, gcode):
+        moonraker.steuern("10.0.0.1", "nozzle", {"value": 210})
+        script = gcode.call_args[0][1]
+        self.assertIn("TARGET=210.0", script)
+
+    @patch("grotti.moonraker.gcode_script", return_value={"ok": True})
+    def test_percent_alias_for_speed(self, gcode):
+        moonraker.steuern("10.0.0.1", "speed", {"value": 120})
+        script = gcode.call_args[0][1]
+        self.assertIn("M220 S120", script)
+
+
+class HostValidationTests(unittest.TestCase):
+    def test_validate_printer_host(self):
+        from web.app import validate_printer_host
+        from grotti.errors import GrottiError
+
+        self.assertEqual(validate_printer_host("10.10.1.60"), "10.10.1.60")
+        self.assertEqual(validate_printer_host("kobra.local:80"), "kobra.local:80")
+        with self.assertRaises(GrottiError):
+            validate_printer_host("http://evil")
+        with self.assertRaises(GrottiError):
+            validate_printer_host("../etc/passwd")
+
+
+if __name__ == "__main__":
+    unittest.main()