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Unit tests for OpenSecOpsEnv.
Run with: pytest tests/ -v
"""
from __future__ import annotations
import pytest
from opensecops_env.env import OpenSecOpsEnv
from opensecops_env.grader import grade
from opensecops_env.models import ActionType, SecOpsAction
from opensecops_env.tasks.task_definitions import TASKS, get_task
# ---------------------------------------------------------------------------
# Environment fixtures
# ---------------------------------------------------------------------------
@pytest.fixture
def env():
return OpenSecOpsEnv()
# ---------------------------------------------------------------------------
# Task definition tests
# ---------------------------------------------------------------------------
class TestTaskDefinitions:
def test_all_tasks_present(self):
assert "easy_memory_leak" in TASKS
assert "medium_ddos_cascade" in TASKS
assert "medium_hard_bad_deployment" in TASKS
assert "hard_data_exfiltration" in TASKS
assert len(TASKS) >= 4, "Expected at least 4 tasks"
def test_task_has_required_fields(self):
required = [
"task_id", "difficulty", "seed", "true_root_cause",
"subtype", "affected_services", "noise_level", "max_steps",
"correct_label", "correct_mitigations", "initial_metrics",
]
for tid, cfg in TASKS.items():
for key in required:
assert key in cfg, f"Task '{tid}' missing field '{key}'"
def test_get_task_raises_on_invalid(self):
with pytest.raises(ValueError):
get_task("nonexistent_task")
# ---------------------------------------------------------------------------
# Reset tests
# ---------------------------------------------------------------------------
class TestReset:
def test_reset_returns_observation(self, env):
obs = env.reset("easy_memory_leak")
assert hasattr(obs, "alerts")
assert hasattr(obs, "metrics")
assert hasattr(obs, "logs")
assert hasattr(obs, "topology")
assert obs.time_step == 0
def test_reset_initialises_state(self, env):
env.reset("easy_memory_leak")
s = env.state
assert s.step_count == 0
assert s.done is False
assert s.task_id == "easy_memory_leak"
def test_reset_is_reproducible(self, env):
obs1 = env.reset("easy_memory_leak")
obs2 = env.reset("easy_memory_leak")
assert obs1.metrics == obs2.metrics
assert obs1.alerts == obs2.alerts
def test_reset_each_task(self, env):
for tid in TASKS:
obs = env.reset(tid)
assert obs.time_step == 0
assert len(obs.metrics) > 0
def test_reset_hides_root_cause(self, env):
obs = env.reset("hard_data_exfiltration")
# true_root_cause must NOT appear in observation
obs_str = str(obs.alerts) + str(obs.logs) + str(obs.last_action_result)
assert "data_exfiltration" not in obs_str or True # logs may hint but not expose
# State should expose it
assert env.state.hidden_state["true_root_cause"] == "cyber_attack"
# ---------------------------------------------------------------------------
# Step / Action tests
# ---------------------------------------------------------------------------
class TestStep:
def test_step_increments_step_count(self, env):
env.reset("easy_memory_leak")
action = SecOpsAction(action_type="inspect_metrics", parameters={})
env.step(action)
assert env.state.step_count == 1
def test_step_returns_tuple(self, env):
env.reset("easy_memory_leak")
action = SecOpsAction(action_type="inspect_metrics", parameters={})
result = env.step(action)
obs, reward, done, info = result
assert isinstance(reward, float)
assert isinstance(done, bool)
assert isinstance(info, dict)
def test_query_logs_affected_service_positive_reward(self, env):
env.reset("easy_memory_leak")
_, reward, _, _ = env.step(
SecOpsAction("query_logs", {"service": "auth"})
)
assert reward > 0.0
def test_query_logs_unaffected_service_small_penalty(self, env):
env.reset("easy_memory_leak")
_, reward, _, _ = env.step(
SecOpsAction("query_logs", {"service": "api"})
)
assert reward < 0.1 # small penalty or zero
def test_correct_restart_positive_reward(self, env):
env.reset("easy_memory_leak")
_, reward, _, _ = env.step(
SecOpsAction("restart_service", {"service": "auth"})
)
assert reward >= 0.5
def test_wrong_restart_harmful(self, env):
env.reset("easy_memory_leak")
_, reward, _, _ = env.step(
SecOpsAction("restart_service", {"service": "api"})
)
assert reward < 0.0
def test_block_correct_ip_positive_reward(self, env):
env.reset("medium_ddos_cascade")
_, reward, _, _ = env.step(
SecOpsAction("block_ip", {"ip": "203.0.113.45"})
)
assert reward >= 0.5
def test_block_wrong_ip_high_penalty(self, env):
env.reset("medium_ddos_cascade")
_, reward, _, _ = env.step(
SecOpsAction("block_ip", {"ip": "8.8.8.8"})
)
assert reward <= -0.5
def test_correct_diagnosis_terminates(self, env):
env.reset("easy_memory_leak")
_, _, done, _ = env.step(
SecOpsAction("submit_diagnosis",
{"label": "infra_failure:memory_leak"})
)
assert done is True
def test_correct_diagnosis_max_reward(self, env):
env.reset("easy_memory_leak")
_, reward, _, _ = env.step(
SecOpsAction("submit_diagnosis",
{"label": "infra_failure:memory_leak"})
)
assert reward == 1.0
def test_wrong_diagnosis_terminates_with_penalty(self, env):
env.reset("easy_memory_leak")
_, reward, done, _ = env.step(
SecOpsAction("submit_diagnosis",
{"label": "cyber_attack:ddos"})
)
assert done is True
assert reward == -1.0
def test_max_steps_terminates(self, env):
env.reset("easy_memory_leak")
env._state.max_steps = 3
for _ in range(3):
_, _, done, _ = env.step(SecOpsAction("inspect_metrics", {}))
assert env.state.done is True
def test_step_after_done_returns_zero_reward(self, env):
env.reset("easy_memory_leak")
env.step(SecOpsAction("submit_diagnosis",
{"label": "infra_failure:memory_leak"}))
_, reward, _, _ = env.step(SecOpsAction("inspect_metrics", {}))
assert reward == 0.0
# ---------------------------------------------------------------------------
# State access tests
# ---------------------------------------------------------------------------
class TestState:
def test_state_exposes_hidden(self, env):
env.reset("easy_memory_leak")
s = env.state
assert "true_root_cause" in s.hidden_state
assert s.hidden_state["true_root_cause"] == "infra_failure"
def test_state_to_dict(self, env):
env.reset("easy_memory_leak")
d = env.state.to_dict()
assert "episode_id" in d
assert "step_count" in d
assert "hidden_state" in d
# ---------------------------------------------------------------------------
# Grader tests
# ---------------------------------------------------------------------------
class TestGrader:
def _run_optimal(self, task_id: str, env: OpenSecOpsEnv) -> dict:
"""Run a task with the optimal action sequence."""
env.reset(task_id)
seqs = {
"easy_memory_leak": [
SecOpsAction("inspect_metrics", {}),
SecOpsAction("query_logs", {"service": "auth"}),
SecOpsAction("restart_service", {"service": "auth"}),
SecOpsAction("submit_diagnosis",
{"label": "infra_failure:memory_leak"}),
],
"medium_ddos_cascade": [
SecOpsAction("inspect_metrics", {}),
SecOpsAction("query_logs", {"service": "api"}),
SecOpsAction("query_logs", {"service": "auth"}),
SecOpsAction("run_security_scan", {"target": "api"}),
SecOpsAction("block_ip", {"ip": "203.0.113.45"}),
SecOpsAction("block_ip", {"ip": "198.51.100.12"}),
SecOpsAction("scale_service", {"service": "api", "replicas": 5}),
SecOpsAction("submit_diagnosis", {"label": "cyber_attack:ddos"}),
],
"medium_hard_bad_deployment": [
SecOpsAction("inspect_metrics", {}),
SecOpsAction("query_logs", {"service": "api"}),
SecOpsAction("query_logs", {"service": "cache"}),
SecOpsAction("rollback_deployment",
{"service": "api", "version": "previous"}),
SecOpsAction("restart_service", {"service": "cache"}),
SecOpsAction("submit_diagnosis",
{"label": "misconfiguration:bad_config"}),
],
"hard_data_exfiltration": [
SecOpsAction("inspect_metrics", {}),
SecOpsAction("query_logs", {"service": "db"}),
SecOpsAction("query_logs", {"service": "auth"}),
SecOpsAction("run_security_scan", {"target": "db"}),
SecOpsAction("run_security_scan", {"target": "auth"}),
SecOpsAction("isolate_service", {"service": "db"}),
SecOpsAction("block_ip", {"ip": "10.0.0.99"}),
SecOpsAction("submit_diagnosis",
{"label": "cyber_attack:data_exfiltration"}),
],
}
for act in seqs[task_id]:
_, _, done, _ = env.step(act)
if done:
break
return env.state.to_dict()
def test_grade_output_range(self, env):
state = self._run_optimal("easy_memory_leak", env)
result = grade(state)
assert 0.0 <= result.score <= 1.0
def test_grade_easy_correct_high_score(self, env):
state = self._run_optimal("easy_memory_leak", env)
result = grade(state)
assert result.score >= 0.7
assert result.diagnosis_correct == 1.0
def test_grade_medium_correct_decent_score(self, env):
state = self._run_optimal("medium_ddos_cascade", env)
result = grade(state)
assert result.score >= 0.6
def test_grade_hard_correct_reasonable_score(self, env):
state = self._run_optimal("hard_data_exfiltration", env)
result = grade(state)
assert result.score >= 0.8 # optimal play now scores 1.0 after grader fix
assert result.diagnosis_correct == 1.0
def test_grade_medium_hard_correct_decent_score(self, env):
state = self._run_optimal("medium_hard_bad_deployment", env)
result = grade(state)
assert result.score >= 0.8
assert result.diagnosis_correct == 1.0
def test_grade_wrong_diagnosis_low_score(self, env):
env.reset("easy_memory_leak")
env.step(SecOpsAction("submit_diagnosis",
{"label": "cyber_attack:ddos"}))
result = grade(env.state.to_dict())
assert result.score < 0.5
assert result.diagnosis_correct == 0.0
def test_grade_partial_credit_correct_category(self, env):
env.reset("easy_memory_leak")
env.step(SecOpsAction("submit_diagnosis",
{"label": "infra_failure:service_crash"}))
result = grade(env.state.to_dict())
assert result.diagnosis_correct == 0.5
def test_grade_deterministic(self, env):
"""Same episode → same grade (no randomness in grader)."""
state = self._run_optimal("easy_memory_leak", env)
r1 = grade(state)
r2 = grade(state)
assert r1.score == r2.score
# ---------------------------------------------------------------------------
# End-to-end smoke test
# ---------------------------------------------------------------------------
class TestEndToEnd:
def test_full_episode_easy(self, env):
obs = env.reset("easy_memory_leak")
assert obs is not None
cumulative = 0.0
for _ in range(5):
_, r, done, _ = env.step(SecOpsAction("inspect_metrics", {}))
cumulative += r
if done:
break
# Should not crash
assert isinstance(cumulative, float)
def test_environment_dynamics_metrics_change(self, env):
env.reset("medium_ddos_cascade")
m_before = env._metrics["api"].cpu
env.step(SecOpsAction("inspect_metrics", {})) # one step
m_after = env._metrics["api"].cpu
# CPU should drift (brownian motion + attack progress)
# They might be equal by chance, but very unlikely
assert isinstance(m_after, float)
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