shiftlog-gym / tests /test_shiftlog_simulator.py
Chirag0123's picture
Refactor ShiftLog-Gym for procedural multi-shift training
7a50841
from __future__ import annotations
import unittest
from shiftlog_gym.simulator import MultiShiftEpisode, ShiftLogSimulator
class ShiftLogSimulatorTests(unittest.TestCase):
def setUp(self) -> None:
self.sim = ShiftLogSimulator()
def test_invalid_memory_write_is_penalized(self) -> None:
self.sim.reset(family="db_pool_exhaustion", variant_index=0)
message = self.sim.append_shift_log("", "", "", "", 0.2)
self.assertIn("Invalid shift-log write", message)
self.assertLess(self.sim.reward_breakdown["R_memory_integrity"], 0.0)
def test_contradiction_detection_flags_conflicting_writes(self) -> None:
self.sim.reset(family="auth_timeout_cascade", variant_index=0)
self.sim.append_shift_log("fact", "auth-01-01", "auth-gateway", "auth-gateway has a stale route to one cache shard", 0.9)
self.sim.append_shift_log("fact", "auth-01-01", "auth-gateway", "auth-gateway is healthy and has no stale route", 0.8)
self.assertEqual(self.sim.metrics.contradiction_count, 1)
self.assertLess(self.sim.reward_breakdown["R_memory_integrity"], 0.0)
def test_linked_incident_rewards_recall_before_action(self) -> None:
self.sim.reset(family="db_pool_exhaustion", variant_index=0)
first = self.sim.active_incident
self.sim.append_shift_log("fact", first.incident_id, first.service, "Rollback left payments-api with stale DB_POOL_SIZE=44.", 0.95)
self.sim.append_shift_log("fact", first.incident_id, first.service, "Mitigation: set_pool_size_and_restart on payments-api.", 0.95)
self.sim.resolve_incident(first.incident_id, first.resolution, first.root_cause)
self.sim.resolve_incident(self.sim.active_incident.incident_id, self.sim.active_incident.resolution, self.sim.active_incident.root_cause)
linked = self.sim.active_incident
before = self.sim.reward_breakdown["R_recall"]
self.sim.read_shift_log("pool size payments-api rollback", limit=3)
self.sim.resolve_incident(linked.incident_id, linked.resolution, linked.root_cause)
self.assertGreater(self.sim.reward_breakdown["R_recall"], before)
self.assertGreater(self.sim.linked_incident_success_rate(), 0.0)
def test_linked_incidents_depend_on_prior_memory(self) -> None:
self.sim.reset(family="feature_flag_regression", variant_index=0)
first = self.sim.active_incident
self.sim.resolve_incident(first.incident_id, first.resolution, first.root_cause)
self.sim.resolve_incident(self.sim.active_incident.incident_id, self.sim.active_incident.resolution, self.sim.active_incident.root_cause)
linked = self.sim.active_incident
no_memory_message = self.sim.read_shift_log("deprecated bundle receipts", limit=3)
self.assertIn("No relevant shift-log entries", no_memory_message)
self.assertTrue(linked.required_memory_keys)
def test_multi_shift_reset_contains_handoff_summary(self) -> None:
episode = MultiShiftEpisode()
observation = episode.reset(seed=2, family="db_pool")
self.assertIn("Shift", observation.handoff_summary)
self.assertIn("Handoff summary carried from prior shift", observation.message)
if __name__ == "__main__":
unittest.main()