lgbot: auto recording while two humans fight (lgbot_record 2 / QL_RECORD), analyzer pairs any opponents

Co-Authored-By: Claude Opus 5.5 <[email protected]>

tools/test_lgbot_plugin.py

@@ -169,6 +169,35 @@ class Tick(unittest.TestCase):
         self.assertEqual(self.w.cvars["lgbot_record"], "0")
         self.assertIsNone(self.plugin.rec)
 
+    def test_auto_records_only_two_humans_fighting(self):
+        import tempfile
+        path = os.path.join(tempfile.mkdtemp(), "rec.csv")
+        self.mod.REC_FILE = path
+        self.w.cvars["lgbot_record"] = "2"
+        self.run_frames(40)                       # one human vs the bot: not recorded
+        self.assertFalse(os.path.exists(path))
+        h2 = FakePlayer(2, "other", HUMAN_ID + 1, (450, 300, 0))
+        self.w.players.append(h2)
+        self.run_frames(40)
+        h2.pos = [5000, 0, 0]                     # walks away: stops writing
+        self.run_frames(5)
+        with open(path) as f:
+            before = f.read()
+        self.run_frames(40)
+        with open(path) as f:
+            after = f.read()
+        self.assertEqual(before, after)
+        self.assertIn(",h2,", before)
+        self.assertNotIn(str(HUMAN_ID), before)
+        self.plugin.stop_recording()
+
+    def test_humans_fighting(self):
+        f = self.mod.humans_fighting
+        self.assertTrue(f([(0, 0, 0), (900, 0, 0)]))
+        self.assertFalse(f([(0, 0, 0), (1200, 0, 0)]))
+        self.assertFalse(f([(0, 0, 0), (100, 0, 400)]))
+        self.assertFalse(f([(0, 0, 0)]))
+
     def test_no_target_means_no_steering(self):
         self.human.team = "spectator"
         self.run_frames(40)