OpenHands/enterprise/tests/unit/experiments/test_saas_experiment_manager.py
2025-11-12 20:13:16 -05:00

129 lines
4.3 KiB
Python

# tests/test_condenser_max_step_experiment_v1.py
from unittest.mock import patch
from uuid import uuid4
from experiments.experiment_manager import SaaSExperimentManager
# SUT imports (update the module path if needed)
from experiments.experiment_versions._004_condenser_max_step_experiment import (
handle_condenser_max_step_experiment__v1,
)
from pydantic import SecretStr
from openhands.sdk import LLM, Agent
from openhands.sdk.context.condenser import LLMSummarizingCondenser
def make_agent() -> Agent:
"""Build a minimal valid Agent."""
llm = LLM(
usage_id='primary-llm',
model='provider/model',
api_key=SecretStr('sk-test'),
)
return Agent(llm=llm)
def _patch_variant(monkeypatch, return_value):
"""Patch the internal variant getter to return a specific value."""
monkeypatch.setattr(
'experiments.experiment_versions._004_condenser_max_step_experiment._get_condenser_max_step_variant',
lambda user_id, conv_id: return_value,
raising=True,
)
def test_control_variant_sets_condenser_with_max_size_120(monkeypatch):
_patch_variant(monkeypatch, 'control')
agent = make_agent()
conv_id = uuid4()
result = handle_condenser_max_step_experiment__v1('user-1', conv_id, agent)
# Should be a new Agent instance with a condenser installed
assert result is not agent
assert isinstance(result.condenser, LLMSummarizingCondenser)
# The condenser should have its own LLM (usage_id overridden to "condenser")
assert result.condenser.llm.usage_id == 'condenser'
# The original agent LLM remains unchanged
assert agent.llm.usage_id == 'primary-llm'
# Control: max_size = 120, keep_first = 4
assert result.condenser.max_size == 120
assert result.condenser.keep_first == 4
def test_treatment_variant_sets_condenser_with_max_size_80(monkeypatch):
_patch_variant(monkeypatch, 'treatment')
agent = make_agent()
conv_id = uuid4()
result = handle_condenser_max_step_experiment__v1('user-2', conv_id, agent)
assert result is not agent
assert isinstance(result.condenser, LLMSummarizingCondenser)
assert result.condenser.llm.usage_id == 'condenser'
assert result.condenser.max_size == 80
assert result.condenser.keep_first == 4
def test_none_variant_returns_original_agent_without_changes(monkeypatch):
_patch_variant(monkeypatch, None)
agent = make_agent()
conv_id = uuid4()
result = handle_condenser_max_step_experiment__v1('user-3', conv_id, agent)
# No changes—same instance and no condenser attribute added
assert result is agent
assert getattr(result, 'condenser', None) is None
def test_unknown_variant_returns_original_agent_without_changes(monkeypatch):
_patch_variant(monkeypatch, 'weird-variant')
agent = make_agent()
conv_id = uuid4()
result = handle_condenser_max_step_experiment__v1('user-4', conv_id, agent)
assert result is agent
assert getattr(result, 'condenser', None) is None
@patch('experiments.experiment_manager.ENABLE_EXPERIMENT_MANAGER', False)
def test_run_agent_variant_tests_v1_noop_when_manager_disabled():
"""If ENABLE_EXPERIMENT_MANAGER is False, the method returns the exact same agent and does not call the handler."""
agent = make_agent()
conv_id = uuid4()
result = SaaSExperimentManager.run_agent_variant_tests__v1(
user_id='user-123',
conversation_id=conv_id,
agent=agent,
)
# Same object returned (no copy)
assert result is agent
@patch('experiments.experiment_manager.ENABLE_EXPERIMENT_MANAGER', True)
@patch('experiments.experiment_manager.EXPERIMENT_SYSTEM_PROMPT_EXPERIMENT', True)
def test_run_agent_variant_tests_v1_calls_handler_and_sets_system_prompt(monkeypatch):
"""When enabled, it should call the condenser experiment handler and set the long-horizon system prompt."""
agent = make_agent()
conv_id = uuid4()
_patch_variant(monkeypatch, 'treatment')
result: Agent = SaaSExperimentManager.run_agent_variant_tests__v1(
user_id='user-abc',
conversation_id=conv_id,
agent=agent,
)
# Should be a different instance than the original (copied after handler runs)
assert result is not agent
assert result.system_prompt_filename == 'system_prompt_long_horizon.j2'