File size: 5,571 Bytes
bb6a031 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 | """Golden-case tests for `schema.py`.
Run with: pytest tests/test_schema.py -v
"""
from __future__ import annotations
import os
import sys
import pytest
from pydantic import ValidationError
sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
from schema import ( # noqa: E402
Action,
Alert,
CraftIncident,
Event,
EventType,
IncidentCategory,
IncidentParams,
SubmitTriage,
TriageAction,
is_internal_ip,
make_event,
make_log_id,
)
# ---------------------------------------------------------------------------
# Log id / timestamp formats
# ---------------------------------------------------------------------------
class TestLogIdFormat:
def test_make_log_id_canonical(self):
assert make_log_id(2, 5) == "L2-5"
def test_event_rejects_bad_log_id(self):
with pytest.raises(ValidationError):
Event(
log_id="bad-id",
timestamp="2026-04-25T10:00:00Z",
event_type=EventType.PROC_START,
)
def test_event_rejects_bad_timestamp(self):
with pytest.raises(ValidationError):
Event(
log_id="L1-1",
timestamp="2026-04-25 10:00:00",
event_type=EventType.PROC_START,
)
# ---------------------------------------------------------------------------
# IncidentParams validation
# ---------------------------------------------------------------------------
class TestIncidentParams:
def _events(self, n: int = 2):
return [
make_event(1, i, EventType.AUTH_LOGIN_FAILURE, f"2026-04-25T10:00:0{i}Z")
for i in range(n)
]
def test_accepts_valid_params(self):
params = IncidentParams(
target_label=TriageAction.MONITOR,
category=IncidentCategory.BRUTE_FORCE,
events=self._events(3),
)
assert len(params.events) == 3
def test_rejects_empty_events(self):
with pytest.raises(ValidationError):
IncidentParams(
target_label=TriageAction.DISMISS,
category=IncidentCategory.BENIGN_NOISE,
events=[],
)
def test_rejects_duplicate_log_ids(self):
evts = self._events(2)
evts[1] = Event(
log_id=evts[0].log_id,
timestamp="2026-04-25T10:00:05Z",
event_type=EventType.AUTH_LOGIN_FAILURE,
)
with pytest.raises(ValidationError):
IncidentParams(
target_label=TriageAction.MONITOR,
category=IncidentCategory.BRUTE_FORCE,
events=evts,
)
def test_rejects_non_monotonic_timestamps(self):
evts = self._events(2)
# Swap to make non-monotonic
evts[0], evts[1] = evts[1], evts[0]
with pytest.raises(ValidationError):
IncidentParams(
target_label=TriageAction.MONITOR,
category=IncidentCategory.BRUTE_FORCE,
events=evts,
)
# ---------------------------------------------------------------------------
# Action union
# ---------------------------------------------------------------------------
class TestActionUnion:
def test_attacker_action_round_trip(self):
a = Action(
craft_incident=CraftIncident(
target_label=TriageAction.BLOCK_IP,
category=IncidentCategory.C2_BEACON,
events=[
make_event(1, 0, EventType.NET_BEACON, "2026-04-25T10:00:00Z"),
],
)
)
assert a.submit_triage is None
assert a.craft_incident.target_label is TriageAction.BLOCK_IP
def test_defender_action_round_trip(self):
a = Action(
submit_triage=SubmitTriage(
action=TriageAction.QUARANTINE_HOST,
cited_log_id="L1-3",
rationale="LOLBin spawned by Outlook.",
)
)
assert a.craft_incident is None
assert a.submit_triage.action is TriageAction.QUARANTINE_HOST
def test_defender_rejects_bad_cited_log_id(self):
with pytest.raises(ValidationError):
SubmitTriage(action=TriageAction.DISMISS, cited_log_id="oops")
# ---------------------------------------------------------------------------
# Alert validation
# ---------------------------------------------------------------------------
class TestAlert:
def test_severity_must_be_known(self):
with pytest.raises(ValidationError):
Alert(
alert_id="A1",
category=IncidentCategory.PHISHING,
severity="catastrophic", # invalid
summary="x",
)
def test_known_severity_ok(self):
a = Alert(
alert_id="A1",
category=IncidentCategory.PHISHING,
severity="high",
summary="suspicious email opened",
)
assert a.severity == "high"
# ---------------------------------------------------------------------------
# Helper: is_internal_ip
# ---------------------------------------------------------------------------
class TestInternalIP:
@pytest.mark.parametrize("ip,expected", [
("10.0.0.1", True),
("172.16.5.4", True),
("192.168.1.20", True),
("8.8.8.8", False),
("203.0.113.5", False),
("not-an-ip", False),
])
def test_classifies(self, ip, expected):
assert is_internal_ip(ip) is expected
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