Files
CASAN/packages/casan-harness/tests/goal-orchestrator-fallback-tests.py
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2026-07-19 09:37:16 +07:00

202 lines
8.6 KiB
Python

#!/usr/bin/env python3
import importlib.util
import json
import os
import tempfile
import unittest
from unittest.mock import patch
ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), "..", "..", ".."))
SCRIPT = os.path.join(ROOT, "packages", "casan-harness", "scripts", "bash", "goal-orchestrator.py")
SPEC = importlib.util.spec_from_file_location("goal_orchestrator", SCRIPT)
MODULE = importlib.util.module_from_spec(SPEC)
SPEC.loader.exec_module(MODULE)
def job_file(directory):
path = os.path.join(directory, "job.json")
with open(path, "w", encoding="utf-8") as handle:
json.dump({
"id": "11111111-1111-1111-1111-111111111111",
"updated_at": MODULE.now(),
"stages": [{"id": "cloud-reviewer", "status": "queued"}],
}, handle)
return path
class ReviewerFallbackTests(unittest.TestCase):
def setUp(self):
# Production enables route preflight. Individual tests opt in explicitly
# so cached/live provider health cannot affect deterministic unit tests.
self.environment = patch.dict(
os.environ, {"CASAN_GOAL_MODEL_PREFLIGHT": "0"}, clear=False,
)
self.environment.start()
self.addCleanup(self.environment.stop)
def test_account_then_omniroute_then_local_and_persists_ledger(self):
calls = []
def account(provider, prompt, timeout):
calls.append(("account", provider))
return False, "", {}, "account_bridge_failed"
def model(model, prompt, cloud, timeout):
calls.append(("model", model, cloud))
if model.startswith("openai-compatible:"):
return False, "", {}, "model_timeout"
return True, "reviewed result", {"output_tokens": 7}, "ok"
environment = {
"CASAN_GOAL_OMNIROUTE_MODELS": "route-a,openai-compatible:route-b",
"CASAN_GOAL_LOCAL_PROVIDER": "ollama",
"CASAN_GOAL_REVIEWER_MAX_ATTEMPTS": "4",
"CASAN_GOAL_REVIEWER_DEADLINE_SEC": "30",
}
with tempfile.TemporaryDirectory() as directory, patch.dict(os.environ, environment, clear=False), \
patch.object(MODULE, "call_account_model", account), patch.object(MODULE, "call_model", model):
path = job_file(directory)
ok, result, metadata, reason, reviewer = MODULE.run_reviewer_chain(
path, "review prompt", "claude", "openai:gpt-primary", "ollama:worker-model"
)
with open(path, encoding="utf-8") as handle:
job = json.load(handle)
self.assertTrue(ok)
self.assertEqual(result, "reviewed result")
self.assertEqual(metadata["output_tokens"], 7)
self.assertEqual(reason, "ok")
self.assertEqual(reviewer["provider"], "ollama")
self.assertEqual(calls, [
("account", "claude"),
("model", "openai-compatible:route-a", True),
("model", "openai-compatible:route-b", True),
("model", "ollama:worker-model", False),
])
self.assertEqual([row["status"] for row in job["reviewer_attempts"]], ["failed", "failed", "failed", "pass"])
self.assertEqual(job["stages"][0]["provider"], "ollama")
self.assertEqual(job["stages"][0]["model"], "ollama:worker-model")
def test_attempt_limit_is_bounded(self):
calls = []
def model(model, prompt, cloud, timeout):
calls.append(model)
return False, "", {}, "model_timeout"
environment = {
"CASAN_GOAL_OMNIROUTE_MODELS": "route-a,route-b,route-c",
"CASAN_GOAL_REVIEWER_MAX_ATTEMPTS": "2",
"CASAN_GOAL_REVIEWER_DEADLINE_SEC": "30",
}
with tempfile.TemporaryDirectory() as directory, patch.dict(os.environ, environment, clear=False), patch.object(MODULE, "call_model", model):
path = job_file(directory)
ok, _, _, reason, _ = MODULE.run_reviewer_chain(path, "prompt", "", "openai:gpt", "ollama:local")
with open(path, encoding="utf-8") as handle:
job = json.load(handle)
self.assertFalse(ok)
self.assertEqual(reason, "model_timeout")
self.assertEqual(len(calls), 2)
self.assertEqual(len(job["reviewer_attempts"]), 2)
def test_non_retryable_candidate_failure_advances_to_fallbacks(self):
calls = []
def model(model, prompt, cloud, timeout):
calls.append(model)
return False, "", {}, "endpoint_not_allowed"
environment = {
"CASAN_GOAL_OMNIROUTE_MODELS": "route-a",
"CASAN_GOAL_REVIEWER_MAX_ATTEMPTS": "5",
"CASAN_GOAL_REVIEWER_DEADLINE_SEC": "30",
}
with tempfile.TemporaryDirectory() as directory, patch.dict(os.environ, environment, clear=False), patch.object(MODULE, "call_model", model):
path = job_file(directory)
ok, _, _, reason, _ = MODULE.run_reviewer_chain(path, "prompt", "", "openai:gpt", "ollama:local")
with open(path, encoding="utf-8") as handle:
job = json.load(handle)
self.assertFalse(ok)
self.assertEqual(reason, "endpoint_not_allowed")
self.assertEqual(calls, ["openai:gpt", "openai-compatible:route-a", "ollama:local"])
self.assertFalse(job["reviewer_attempts"][0]["retryable"])
def test_patch_reviewer_excludes_h2_model_and_receives_full_output_budget(self):
calls = []
def model(model, prompt, cloud, timeout, max_output_tokens=None):
calls.append((model, max_output_tokens))
return True, "reviewed patch", {}, "ok"
environment = {
"CASAN_GOAL_OMNIROUTE_MODELS": "route-a",
"CASAN_GOAL_REVIEWER_MAX_ATTEMPTS": "3",
"CASAN_GOAL_REVIEWER_DEADLINE_SEC": "30",
}
with tempfile.TemporaryDirectory() as directory, patch.dict(os.environ, environment, clear=False), patch.object(MODULE, "call_model", model):
path = job_file(directory)
ok, _, _, _, reviewer = MODULE.run_reviewer_chain(
path, "prompt", "", "openai:gpt-worker", "ollama:local",
max_output_tokens=8192, excluded_models={"openai:gpt-worker"},
)
self.assertTrue(ok)
self.assertEqual(reviewer["model"], "openai-compatible:route-a")
self.assertEqual(calls, [("openai-compatible:route-a", 8192)])
def test_local_reviewer_can_be_disabled_when_human_approval_is_available(self):
calls = []
def model(model, prompt, cloud, timeout):
calls.append(model)
return False, "", {}, "gateway_unavailable"
environment = {
"CASAN_GOAL_OMNIROUTE_MODELS": "route-a",
"CASAN_GOAL_ENABLE_LOCAL_REVIEWER": "0",
"CASAN_GOAL_REVIEWER_MAX_ATTEMPTS": "3",
"CASAN_GOAL_REVIEWER_DEADLINE_SEC": "30",
}
with tempfile.TemporaryDirectory() as directory, patch.dict(os.environ, environment, clear=False), patch.object(MODULE, "call_model", model):
path = job_file(directory)
ok, _, _, reason, _ = MODULE.run_reviewer_chain(path, "prompt", "", "", "ollama:ornith:9b")
self.assertFalse(ok)
self.assertEqual(reason, "gateway_unavailable")
self.assertEqual(calls, ["openai-compatible:route-a"])
def test_patch_reviewer_skips_unhealthy_route_before_full_generation(self):
calls = []
def model(model, prompt, cloud, timeout, max_output_tokens=None):
calls.append(model)
return True, "reviewed", {}, "ok"
environment = {
"CASAN_GOAL_OMNIROUTE_MODELS": "route-b",
"CASAN_GOAL_ENABLE_LOCAL_REVIEWER": "0",
"CASAN_GOAL_REVIEWER_MAX_ATTEMPTS": "3",
"CASAN_GOAL_REVIEWER_DEADLINE_SEC": "30",
}
with tempfile.TemporaryDirectory() as directory, patch.dict(os.environ, environment, clear=False), \
patch.object(MODULE, "model_preflight", side_effect=[(False, "gateway_503"), (True, "ok")]), \
patch.object(MODULE, "call_model", model):
path = job_file(directory)
ok, _, _, _, reviewer = MODULE.run_reviewer_chain(
path, "prompt", "", "openai-compatible:route-a", "ollama:ornith:9b", max_output_tokens=8192,
)
with open(path, encoding="utf-8") as handle:
job = json.load(handle)
self.assertTrue(ok)
self.assertEqual(reviewer["model"], "openai-compatible:route-b")
self.assertEqual(calls, ["openai-compatible:route-b"])
self.assertIn("model_preflight_failed", job["reviewer_attempts"][0]["reason"])
if __name__ == "__main__":
unittest.main()