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2e658e7 | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 | from __future__ import annotations
import ast
from pathlib import Path
import pytest
from trading.domain.execution_history import (
begin_execution,
execution_events,
finish_execution,
transition_execution,
)
from trading.domain.execution_state import (
CLOSE_UNKNOWN,
CLOSED,
CLOSING,
CONFIGURING_ACCOUNT,
CREATED,
ENTRY_FILLED,
ENTRY_OPEN,
ENTRY_PARTIALLY_FILLED,
ENTRY_UNKNOWN,
FAILED_SAFE,
FAILED_UNPROTECTED,
InvalidExecutionTransition,
LOCKED,
MANUAL_INTERVENTION_REQUIRED,
PARTIALLY_CLOSED,
PLACING_PROTECTION,
PROTECTED,
PROTECTION_PARTIAL,
SUBMITTING_ENTRY,
TRANSITIONS,
VALIDATING,
transition,
)
from trading.domain.schema import apply_migrations, connect
@pytest.fixture(autouse=True)
def _db(tmp_path, monkeypatch):
monkeypatch.setenv("HERMES_HOME", str(tmp_path))
monkeypatch.setenv("TRADING_MODE", "paper")
monkeypatch.setenv("HERMES_EXECUTION_ENABLED", "true")
ok, messages = apply_migrations()
assert ok, messages
def _begin() -> str:
return begin_execution(
owner_id="state-owner",
symbol="BTC/USDT:USDT",
action="entry",
mode="paper",
correlation_id="corr-state",
payload={"safe": True},
actor="state-owner",
)
def _history(execution_id: str):
conn = connect()
try:
return conn.execute(
"SELECT state,version,completed_at FROM execution_history WHERE execution_id=?",
(execution_id,),
).fetchone()
finally:
conn.close()
def test_complete_state_graph_and_service_transition_targets_are_declared():
required = {
CREATED,
VALIDATING,
LOCKED,
CONFIGURING_ACCOUNT,
SUBMITTING_ENTRY,
ENTRY_UNKNOWN,
ENTRY_OPEN,
ENTRY_PARTIALLY_FILLED,
ENTRY_FILLED,
PLACING_PROTECTION,
PROTECTION_PARTIAL,
PROTECTED,
CLOSING,
CLOSE_UNKNOWN,
PARTIALLY_CLOSED,
CLOSED,
FAILED_SAFE,
FAILED_UNPROTECTED,
MANUAL_INTERVENTION_REQUIRED,
}
assert set(TRANSITIONS) == required
assert set().union(*TRANSITIONS.values()) <= required
service_path = Path(__file__).parents[1] / "trading" / "domain" / "execution_service.py"
tree = ast.parse(service_path.read_text())
transition_names = {
call.args[1].id
for call in ast.walk(tree)
if isinstance(call, ast.Call)
and isinstance(call.func, ast.Name)
and call.func.id == "transition_execution"
and len(call.args) >= 2
and isinstance(call.args[1], ast.Name)
}
assert transition_names <= required
assert {
VALIDATING,
LOCKED,
CONFIGURING_ACCOUNT,
SUBMITTING_ENTRY,
ENTRY_UNKNOWN,
ENTRY_OPEN,
ENTRY_PARTIALLY_FILLED,
ENTRY_FILLED,
PLACING_PROTECTION,
PROTECTION_PARTIAL,
PROTECTED,
CLOSING,
CLOSE_UNKNOWN,
PARTIALLY_CLOSED,
CLOSED,
FAILED_SAFE,
FAILED_UNPROTECTED,
} <= transition_names
def test_transition_is_atomic_and_records_actor_reason_and_payload():
execution_id = _begin()
assert transition_execution(
execution_id,
VALIDATING,
actor="operator-1",
reason="validated_snapshot",
payload={"risk": "accepted"},
) == VALIDATING
row = _history(execution_id)
assert row[0] == VALIDATING
assert int(row[1]) == 2
events = execution_events(execution_id)
assert [(event["from_state"], event["to_state"]) for event in events] == [
(None, CREATED),
(CREATED, VALIDATING),
]
assert events[-1]["actor"] == "operator-1"
assert events[-1]["reason"] == "validated_snapshot"
assert '"risk": "accepted"' in events[-1]["payload"]
def test_illegal_transition_rejection_keeps_prior_durable_state():
execution_id = _begin()
with pytest.raises(InvalidExecutionTransition, match="not allowed"):
transition_execution(
execution_id,
PROTECTED,
actor="operator-1",
reason="illegal_skip",
)
row = _history(execution_id)
assert row[0] == CREATED
assert int(row[1]) == 1
assert [event["to_state"] for event in execution_events(execution_id)] == [CREATED]
def test_crash_at_event_boundary_rolls_back_state_and_event_together():
execution_id = _begin()
conn = connect()
try:
conn.execute(
"CREATE TRIGGER abort_crash_event BEFORE INSERT ON execution_events "
"WHEN NEW.reason='crash_boundary' BEGIN "
"SELECT RAISE(ABORT, 'simulated transition crash'); END"
)
conn.commit()
finally:
conn.close()
with pytest.raises(Exception, match="simulated transition crash"):
transition_execution(
execution_id,
VALIDATING,
actor="operator-1",
reason="crash_boundary",
)
row = _history(execution_id)
assert row[0] == CREATED
assert int(row[1]) == 1
assert [event["to_state"] for event in execution_events(execution_id)] == [CREATED]
def test_finish_execution_cannot_bypass_a_missing_transition_event():
execution_id = _begin()
with pytest.raises(InvalidExecutionTransition, match="cannot bypass"):
finish_execution(execution_id, state=PROTECTED, result_ref="order-1")
row = _history(execution_id)
assert row[0] == CREATED
assert row[2] is None
transition_execution(
execution_id,
FAILED_SAFE,
actor="operator-1",
reason="safe_terminal_failure",
)
finish_execution(execution_id, state=FAILED_SAFE, error=RuntimeError("safe failure"))
row = _history(execution_id)
assert row[0] == FAILED_SAFE
assert row[2] is not None
def test_representative_recovery_paths_follow_declared_edges():
entry_path = [
CREATED,
VALIDATING,
LOCKED,
CONFIGURING_ACCOUNT,
SUBMITTING_ENTRY,
ENTRY_FILLED,
PLACING_PROTECTION,
PROTECTED,
CLOSING,
CLOSED,
]
for current, following in zip(entry_path, entry_path[1:]):
assert transition(current, following) == following
recovery_path = [
ENTRY_UNKNOWN,
MANUAL_INTERVENTION_REQUIRED,
CLOSING,
CLOSE_UNKNOWN,
PARTIALLY_CLOSED,
CLOSING,
CLOSED,
]
for current, following in zip(recovery_path, recovery_path[1:]):
assert transition(current, following) == following
assert transition(ENTRY_PARTIALLY_FILLED, FAILED_UNPROTECTED) == FAILED_UNPROTECTED
assert transition(FAILED_UNPROTECTED, PROTECTED) == PROTECTED
assert transition(PLACING_PROTECTION, PROTECTION_PARTIAL) == PROTECTION_PARTIAL
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