add spec system: sdd/bdd/tdd loops, trace enforcement, envelope+config specs

2026-07-13 12:53:38 +02:00
parent 1879992b22
commit f1578cbd99
11 changed files with 682 additions and 0 deletions
@@ -0,0 +1,56 @@
+"""Unit coverage for SPEC-001 test-class requirements (ENV-10..12)."""
+
+import json
+import time
+import unittest
+
+from fjerkroa_bot.ai_responder import AIMessage, AIResponder
+
+from .test_bdd_envelope import FakeModelResponder
+
+
+def entry(channel: str, text: str = "x"):
+    return {"role": "user", "content": json.dumps({"message": text, "channel": channel})}
+
+
+class TestSystemPromptTemplate(unittest.TestCase):
+    def test_template_substitution(self):
+        """ENV-10: {date}/{memory} substituted; missing news file leaves {news} literal."""
+        config = {"system": "Date {date} memory {memory} news {news}", "history-limit": 5, "news": "/nonexistent/news.txt"}
+        responder = AIResponder(config, "chat")
+        responder.memory = "MEMSTR"
+        messages = responder.message(AIMessage("alice", "hei"))
+        system = messages[0]["content"]
+        self.assertIn(time.strftime("%Y-%m-%d"), system)
+        self.assertIn("MEMSTR", system)
+        self.assertIn("{news}", system)  # left literal — file does not exist
+
+
+class TestHistoryShrink(unittest.TestCase):
+    def test_shrink_prefers_busy_channel(self):
+        """ENV-11: entry from the channel exceeding history-per-channel is removed first."""
+        config = {"system": "s", "history-limit": 4}
+        responder = AIResponder(config, "chat")
+        responder.history = [entry("a", "a0"), entry("a", "a1"), entry("a", "a2"), entry("a", "a3"), entry("b", "b0")]
+        responder.shrink_history_by_one()
+        self.assertEqual(len(responder.history), 4)
+        self.assertNotIn("a0", responder.history[0]["content"])  # oldest busy-channel entry gone
+
+    def test_shrink_falls_back_to_oldest(self):
+        """ENV-11: when no channel exceeds the cap, the oldest entry overall is removed."""
+        config = {"system": "s", "history-limit": 4}
+        responder = AIResponder(config, "chat")
+        responder.history = [entry("a", "a0"), entry("b", "b0"), entry("c", "c0")]
+        responder.shrink_history_by_one()
+        self.assertEqual(len(responder.history), 2)
+        self.assertNotIn("a0", responder.history[0]["content"])
+
+
+class TestRetriesExhausted(unittest.IsolatedAsyncioTestCase):
+    async def test_send_raises_after_three_failures(self):
+        """ENV-12: three model failures -> RuntimeError (revision pending in FDB-004/D1)."""
+        responder = FakeModelResponder({"system": "s", "history-limit": 5}, "chat")
+        # scripted list empty -> chat() returns None every attempt
+        with self.assertRaises(RuntimeError):
+            await responder.send(AIMessage("alice", "hei", "chat"))
+        self.assertEqual(responder.chat_calls, 3)