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The-Ouroboros/tests/test_main.py
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fix: add safe_float() to handle empty string conversions (issue #44)
Add safe_float() helper function to safely convert API response values
to float, handling empty strings, None, and invalid values that cause
ValueError: "could not convert string to float: ''".

Changes:
- Add safe_float() function in src/main.py with full docstring
- Replace all float() calls with safe_float() in trading_cycle()
  - Domestic market: orderbook prices, balance amounts
  - Overseas market: price data, balance info
- Add 6 comprehensive unit tests for safe_float()

The function handles:
- Empty strings ("") → default (0.0)
- None values → default (0.0)
- Invalid strings ("abc") → default (0.0)
- Valid strings ("123.45") → parsed float
- Float inputs (123.45) → pass through

This prevents crashes when KIS API returns empty strings during
market closed hours or data unavailability.

Fixes: #44

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2026-02-05 00:15:04 +09:00

598 lines
20 KiB
Python

"""Tests for main trading loop telegram integration."""
import asyncio
from unittest.mock import AsyncMock, MagicMock, patch
import pytest
from src.core.risk_manager import CircuitBreakerTripped, FatFingerRejected
from src.main import safe_float, trading_cycle
class TestSafeFloat:
"""Test safe_float() helper function."""
def test_converts_valid_string(self):
"""Test conversion of valid numeric string."""
assert safe_float("123.45") == 123.45
assert safe_float("0") == 0.0
assert safe_float("-99.9") == -99.9
def test_handles_empty_string(self):
"""Test empty string returns default."""
assert safe_float("") == 0.0
assert safe_float("", 99.0) == 99.0
def test_handles_none(self):
"""Test None returns default."""
assert safe_float(None) == 0.0
assert safe_float(None, 42.0) == 42.0
def test_handles_invalid_string(self):
"""Test invalid string returns default."""
assert safe_float("invalid") == 0.0
assert safe_float("not_a_number", 100.0) == 100.0
assert safe_float("12.34.56") == 0.0
def test_handles_float_input(self):
"""Test float input passes through."""
assert safe_float(123.45) == 123.45
assert safe_float(0.0) == 0.0
def test_custom_default(self):
"""Test custom default value."""
assert safe_float("", -1.0) == -1.0
assert safe_float(None, 999.0) == 999.0
class TestTradingCycleTelegramIntegration:
"""Test telegram notifications in trading_cycle function."""
@pytest.fixture
def mock_broker(self) -> MagicMock:
"""Create mock broker."""
broker = MagicMock()
broker.get_orderbook = AsyncMock(
return_value={
"output1": {
"stck_prpr": "50000",
"frgn_ntby_qty": "100",
}
}
)
broker.get_balance = AsyncMock(
return_value={
"output2": [
{
"tot_evlu_amt": "10000000",
"dnca_tot_amt": "5000000",
"pchs_amt_smtl_amt": "5000000",
}
]
}
)
broker.send_order = AsyncMock(return_value={"msg1": "OK"})
return broker
@pytest.fixture
def mock_overseas_broker(self) -> MagicMock:
"""Create mock overseas broker."""
broker = MagicMock()
return broker
@pytest.fixture
def mock_brain(self) -> MagicMock:
"""Create mock brain that decides to buy."""
brain = MagicMock()
decision = MagicMock()
decision.action = "BUY"
decision.confidence = 85
decision.rationale = "Test buy"
brain.decide = AsyncMock(return_value=decision)
return brain
@pytest.fixture
def mock_risk(self) -> MagicMock:
"""Create mock risk manager."""
risk = MagicMock()
risk.validate_order = MagicMock()
return risk
@pytest.fixture
def mock_db(self) -> MagicMock:
"""Create mock database connection."""
return MagicMock()
@pytest.fixture
def mock_decision_logger(self) -> MagicMock:
"""Create mock decision logger."""
logger = MagicMock()
logger.log_decision = MagicMock()
return logger
@pytest.fixture
def mock_context_store(self) -> MagicMock:
"""Create mock context store."""
store = MagicMock()
store.get_latest_timeframe = MagicMock(return_value=None)
return store
@pytest.fixture
def mock_criticality_assessor(self) -> MagicMock:
"""Create mock criticality assessor."""
assessor = MagicMock()
assessor.assess_market_conditions = MagicMock(
return_value=MagicMock(value="NORMAL")
)
assessor.get_timeout = MagicMock(return_value=5.0)
return assessor
@pytest.fixture
def mock_telegram(self) -> MagicMock:
"""Create mock telegram client."""
telegram = MagicMock()
telegram.notify_trade_execution = AsyncMock()
telegram.notify_fat_finger = AsyncMock()
telegram.notify_circuit_breaker = AsyncMock()
return telegram
@pytest.fixture
def mock_market(self) -> MagicMock:
"""Create mock market info."""
market = MagicMock()
market.name = "Korea"
market.code = "KR"
market.exchange_code = "KRX"
market.is_domestic = True
return market
@pytest.mark.asyncio
async def test_trade_execution_notification_sent(
self,
mock_broker: MagicMock,
mock_overseas_broker: MagicMock,
mock_brain: MagicMock,
mock_risk: MagicMock,
mock_db: MagicMock,
mock_decision_logger: MagicMock,
mock_context_store: MagicMock,
mock_criticality_assessor: MagicMock,
mock_telegram: MagicMock,
mock_market: MagicMock,
) -> None:
"""Test telegram notification sent on trade execution."""
with patch("src.main.log_trade"):
await trading_cycle(
broker=mock_broker,
overseas_broker=mock_overseas_broker,
brain=mock_brain,
risk=mock_risk,
db_conn=mock_db,
decision_logger=mock_decision_logger,
context_store=mock_context_store,
criticality_assessor=mock_criticality_assessor,
telegram=mock_telegram,
market=mock_market,
stock_code="005930",
)
# Verify notification was sent
mock_telegram.notify_trade_execution.assert_called_once()
call_kwargs = mock_telegram.notify_trade_execution.call_args.kwargs
assert call_kwargs["stock_code"] == "005930"
assert call_kwargs["market"] == "Korea"
assert call_kwargs["action"] == "BUY"
assert call_kwargs["confidence"] == 85
@pytest.mark.asyncio
async def test_trade_execution_notification_failure_doesnt_crash(
self,
mock_broker: MagicMock,
mock_overseas_broker: MagicMock,
mock_brain: MagicMock,
mock_risk: MagicMock,
mock_db: MagicMock,
mock_decision_logger: MagicMock,
mock_context_store: MagicMock,
mock_criticality_assessor: MagicMock,
mock_telegram: MagicMock,
mock_market: MagicMock,
) -> None:
"""Test trading continues even if notification fails."""
# Make notification fail
mock_telegram.notify_trade_execution.side_effect = Exception("API error")
with patch("src.main.log_trade"):
# Should not raise exception
await trading_cycle(
broker=mock_broker,
overseas_broker=mock_overseas_broker,
brain=mock_brain,
risk=mock_risk,
db_conn=mock_db,
decision_logger=mock_decision_logger,
context_store=mock_context_store,
criticality_assessor=mock_criticality_assessor,
telegram=mock_telegram,
market=mock_market,
stock_code="005930",
)
# Verify notification was attempted
mock_telegram.notify_trade_execution.assert_called_once()
@pytest.mark.asyncio
async def test_fat_finger_notification_sent(
self,
mock_broker: MagicMock,
mock_overseas_broker: MagicMock,
mock_brain: MagicMock,
mock_risk: MagicMock,
mock_db: MagicMock,
mock_decision_logger: MagicMock,
mock_context_store: MagicMock,
mock_criticality_assessor: MagicMock,
mock_telegram: MagicMock,
mock_market: MagicMock,
) -> None:
"""Test telegram notification sent on fat finger rejection."""
# Make risk manager reject the order
mock_risk.validate_order.side_effect = FatFingerRejected(
order_amount=2000000,
total_cash=5000000,
max_pct=30.0,
)
with patch("src.main.log_trade"):
with pytest.raises(FatFingerRejected):
await trading_cycle(
broker=mock_broker,
overseas_broker=mock_overseas_broker,
brain=mock_brain,
risk=mock_risk,
db_conn=mock_db,
decision_logger=mock_decision_logger,
context_store=mock_context_store,
criticality_assessor=mock_criticality_assessor,
telegram=mock_telegram,
market=mock_market,
stock_code="005930",
)
# Verify notification was sent
mock_telegram.notify_fat_finger.assert_called_once()
call_kwargs = mock_telegram.notify_fat_finger.call_args.kwargs
assert call_kwargs["stock_code"] == "005930"
assert call_kwargs["order_amount"] == 2000000
assert call_kwargs["total_cash"] == 5000000
assert call_kwargs["max_pct"] == 30.0
@pytest.mark.asyncio
async def test_fat_finger_notification_failure_still_raises(
self,
mock_broker: MagicMock,
mock_overseas_broker: MagicMock,
mock_brain: MagicMock,
mock_risk: MagicMock,
mock_db: MagicMock,
mock_decision_logger: MagicMock,
mock_context_store: MagicMock,
mock_criticality_assessor: MagicMock,
mock_telegram: MagicMock,
mock_market: MagicMock,
) -> None:
"""Test fat finger exception still raised even if notification fails."""
# Make risk manager reject the order
mock_risk.validate_order.side_effect = FatFingerRejected(
order_amount=2000000,
total_cash=5000000,
max_pct=30.0,
)
# Make notification fail
mock_telegram.notify_fat_finger.side_effect = Exception("API error")
with patch("src.main.log_trade"):
with pytest.raises(FatFingerRejected):
await trading_cycle(
broker=mock_broker,
overseas_broker=mock_overseas_broker,
brain=mock_brain,
risk=mock_risk,
db_conn=mock_db,
decision_logger=mock_decision_logger,
context_store=mock_context_store,
criticality_assessor=mock_criticality_assessor,
telegram=mock_telegram,
market=mock_market,
stock_code="005930",
)
# Verify notification was attempted
mock_telegram.notify_fat_finger.assert_called_once()
@pytest.mark.asyncio
async def test_no_notification_on_hold_decision(
self,
mock_broker: MagicMock,
mock_overseas_broker: MagicMock,
mock_brain: MagicMock,
mock_risk: MagicMock,
mock_db: MagicMock,
mock_decision_logger: MagicMock,
mock_context_store: MagicMock,
mock_criticality_assessor: MagicMock,
mock_telegram: MagicMock,
mock_market: MagicMock,
) -> None:
"""Test no trade notification sent when decision is HOLD."""
# Change brain decision to HOLD
decision = MagicMock()
decision.action = "HOLD"
decision.confidence = 50
decision.rationale = "Insufficient signal"
mock_brain.decide = AsyncMock(return_value=decision)
with patch("src.main.log_trade"):
await trading_cycle(
broker=mock_broker,
overseas_broker=mock_overseas_broker,
brain=mock_brain,
risk=mock_risk,
db_conn=mock_db,
decision_logger=mock_decision_logger,
context_store=mock_context_store,
criticality_assessor=mock_criticality_assessor,
telegram=mock_telegram,
market=mock_market,
stock_code="005930",
)
# Verify no trade notification sent
mock_telegram.notify_trade_execution.assert_not_called()
class TestRunFunctionTelegramIntegration:
"""Test telegram notifications in run function."""
@pytest.mark.asyncio
async def test_circuit_breaker_notification_sent(self) -> None:
"""Test telegram notification sent when circuit breaker trips."""
mock_telegram = MagicMock()
mock_telegram.notify_circuit_breaker = AsyncMock()
# Simulate circuit breaker exception
exc = CircuitBreakerTripped(pnl_pct=-3.5, threshold=-3.0)
# Test the notification logic
try:
await mock_telegram.notify_circuit_breaker(
pnl_pct=exc.pnl_pct,
threshold=exc.threshold,
)
except Exception:
pass # Ignore errors in notification
# Verify notification was called
mock_telegram.notify_circuit_breaker.assert_called_once_with(
pnl_pct=-3.5,
threshold=-3.0,
)
class TestOverseasBalanceParsing:
"""Test overseas balance output2 parsing handles different formats."""
@pytest.fixture
def mock_overseas_broker_with_list(self) -> MagicMock:
"""Create mock overseas broker returning list format."""
broker = MagicMock()
broker.get_overseas_price = AsyncMock(
return_value={"output": {"last": "150.50"}}
)
broker.get_overseas_balance = AsyncMock(
return_value={
"output2": [
{
"frcr_evlu_tota": "10000.00",
"frcr_dncl_amt_2": "5000.00",
"frcr_buy_amt_smtl": "4500.00",
}
]
}
)
return broker
@pytest.fixture
def mock_overseas_broker_with_dict(self) -> MagicMock:
"""Create mock overseas broker returning dict format."""
broker = MagicMock()
broker.get_overseas_price = AsyncMock(
return_value={"output": {"last": "150.50"}}
)
broker.get_overseas_balance = AsyncMock(
return_value={
"output2": {
"frcr_evlu_tota": "10000.00",
"frcr_dncl_amt_2": "5000.00",
"frcr_buy_amt_smtl": "4500.00",
}
}
)
return broker
@pytest.fixture
def mock_overseas_broker_with_empty(self) -> MagicMock:
"""Create mock overseas broker returning empty output2."""
broker = MagicMock()
broker.get_overseas_price = AsyncMock(
return_value={"output": {"last": "150.50"}}
)
broker.get_overseas_balance = AsyncMock(return_value={"output2": []})
return broker
@pytest.fixture
def mock_domestic_broker(self) -> MagicMock:
"""Create minimal mock domestic broker."""
broker = MagicMock()
return broker
@pytest.fixture
def mock_overseas_market(self) -> MagicMock:
"""Create mock overseas market info."""
market = MagicMock()
market.name = "NASDAQ"
market.code = "US_NASDAQ"
market.exchange_code = "NASD"
market.is_domestic = False
return market
@pytest.fixture
def mock_brain_hold(self) -> MagicMock:
"""Create mock brain that always holds."""
brain = MagicMock()
decision = MagicMock()
decision.action = "HOLD"
decision.confidence = 50
decision.rationale = "Testing balance parsing"
brain.decide = AsyncMock(return_value=decision)
return brain
@pytest.fixture
def mock_risk(self) -> MagicMock:
"""Create mock risk manager."""
return MagicMock()
@pytest.fixture
def mock_db(self) -> MagicMock:
"""Create mock database."""
return MagicMock()
@pytest.fixture
def mock_decision_logger(self) -> MagicMock:
"""Create mock decision logger."""
return MagicMock()
@pytest.fixture
def mock_context_store(self) -> MagicMock:
"""Create mock context store."""
store = MagicMock()
store.get_latest_timeframe = MagicMock(return_value=None)
return store
@pytest.fixture
def mock_criticality_assessor(self) -> MagicMock:
"""Create mock criticality assessor."""
assessor = MagicMock()
assessor.assess_market_conditions = MagicMock(
return_value=MagicMock(value="NORMAL")
)
assessor.get_timeout = MagicMock(return_value=5.0)
return assessor
@pytest.fixture
def mock_telegram(self) -> MagicMock:
"""Create mock telegram client."""
return MagicMock()
@pytest.mark.asyncio
async def test_overseas_balance_list_format(
self,
mock_domestic_broker: MagicMock,
mock_overseas_broker_with_list: MagicMock,
mock_brain_hold: MagicMock,
mock_risk: MagicMock,
mock_db: MagicMock,
mock_decision_logger: MagicMock,
mock_context_store: MagicMock,
mock_criticality_assessor: MagicMock,
mock_telegram: MagicMock,
mock_overseas_market: MagicMock,
) -> None:
"""Test overseas balance parsing with list format (output2=[{...}])."""
with patch("src.main.log_trade"):
# Should not raise KeyError
await trading_cycle(
broker=mock_domestic_broker,
overseas_broker=mock_overseas_broker_with_list,
brain=mock_brain_hold,
risk=mock_risk,
db_conn=mock_db,
decision_logger=mock_decision_logger,
context_store=mock_context_store,
criticality_assessor=mock_criticality_assessor,
telegram=mock_telegram,
market=mock_overseas_market,
stock_code="AAPL",
)
# Verify balance API was called
mock_overseas_broker_with_list.get_overseas_balance.assert_called_once()
@pytest.mark.asyncio
async def test_overseas_balance_dict_format(
self,
mock_domestic_broker: MagicMock,
mock_overseas_broker_with_dict: MagicMock,
mock_brain_hold: MagicMock,
mock_risk: MagicMock,
mock_db: MagicMock,
mock_decision_logger: MagicMock,
mock_context_store: MagicMock,
mock_criticality_assessor: MagicMock,
mock_telegram: MagicMock,
mock_overseas_market: MagicMock,
) -> None:
"""Test overseas balance parsing with dict format (output2={...})."""
with patch("src.main.log_trade"):
# Should not raise KeyError
await trading_cycle(
broker=mock_domestic_broker,
overseas_broker=mock_overseas_broker_with_dict,
brain=mock_brain_hold,
risk=mock_risk,
db_conn=mock_db,
decision_logger=mock_decision_logger,
context_store=mock_context_store,
criticality_assessor=mock_criticality_assessor,
telegram=mock_telegram,
market=mock_overseas_market,
stock_code="AAPL",
)
# Verify balance API was called
mock_overseas_broker_with_dict.get_overseas_balance.assert_called_once()
@pytest.mark.asyncio
async def test_overseas_balance_empty_format(
self,
mock_domestic_broker: MagicMock,
mock_overseas_broker_with_empty: MagicMock,
mock_brain_hold: MagicMock,
mock_risk: MagicMock,
mock_db: MagicMock,
mock_decision_logger: MagicMock,
mock_context_store: MagicMock,
mock_criticality_assessor: MagicMock,
mock_telegram: MagicMock,
mock_overseas_market: MagicMock,
) -> None:
"""Test overseas balance parsing with empty output2."""
with patch("src.main.log_trade"):
# Should not raise KeyError, should default to 0
await trading_cycle(
broker=mock_domestic_broker,
overseas_broker=mock_overseas_broker_with_empty,
brain=mock_brain_hold,
risk=mock_risk,
db_conn=mock_db,
decision_logger=mock_decision_logger,
context_store=mock_context_store,
criticality_assessor=mock_criticality_assessor,
telegram=mock_telegram,
market=mock_overseas_market,
stock_code="AAPL",
)
# Verify balance API was called
mock_overseas_broker_with_empty.get_overseas_balance.assert_called_once()