|
| 1 | +""" |
| 2 | +QueueLedger 핵심 기능 테스트 |
| 3 | +
|
| 4 | +LIFO 로트 관리, 원자적 쓰기, 자가 치유, 스레드 안전성 검증 |
| 5 | +""" |
| 6 | +import os |
| 7 | +import json |
| 8 | +import threading |
| 9 | +import pytest |
| 10 | + |
| 11 | + |
| 12 | +@pytest.fixture |
| 13 | +def ql(tmp_path): |
| 14 | + from trading_bot.strategy.queue_ledger import QueueLedger |
| 15 | + file_path = str(tmp_path / "data" / "queue_ledger.json") |
| 16 | + return QueueLedger(file_path=file_path) |
| 17 | + |
| 18 | + |
| 19 | +class TestAddLotBasic: |
| 20 | + """add_lot 기본 동작""" |
| 21 | + |
| 22 | + def test_add_single_lot(self, ql): |
| 23 | + ql.add_lot("SOXL", 10, 50.0) |
| 24 | + q = ql.get_queue("SOXL") |
| 25 | + assert len(q) == 1 |
| 26 | + assert q[0]["qty"] == 10 |
| 27 | + assert q[0]["price"] == 50.0 |
| 28 | + |
| 29 | + def test_add_lot_returns_none(self, ql): |
| 30 | + result = ql.add_lot("SOXL", 5, 30.0) |
| 31 | + assert result is None |
| 32 | + |
| 33 | + def test_get_total_qty(self, ql): |
| 34 | + ql.add_lot("SOXL", 10, 50.0) |
| 35 | + assert ql.get_total_qty("SOXL") == 10 |
| 36 | + |
| 37 | + def test_empty_ticker_returns_empty(self, ql): |
| 38 | + assert ql.get_queue("TQQQ") == [] |
| 39 | + assert ql.get_total_qty("TQQQ") == 0 |
| 40 | + |
| 41 | + def test_add_zero_qty_ignored(self, ql): |
| 42 | + ql.add_lot("SOXL", 0, 50.0) |
| 43 | + assert ql.get_queue("SOXL") == [] |
| 44 | + |
| 45 | + def test_add_negative_qty_ignored(self, ql): |
| 46 | + ql.add_lot("SOXL", -5, 50.0) |
| 47 | + assert ql.get_queue("SOXL") == [] |
| 48 | + |
| 49 | + def test_add_zero_price_rejected(self, ql): |
| 50 | + ql.add_lot("SOXL", 10, 0.0) |
| 51 | + assert ql.get_queue("SOXL") == [] |
| 52 | + |
| 53 | + def test_add_none_price_rejected(self, ql): |
| 54 | + ql.add_lot("SOXL", 10, None) |
| 55 | + assert ql.get_queue("SOXL") == [] |
| 56 | + |
| 57 | + |
| 58 | +class TestSameDayMerge: |
| 59 | + """동일 일자 로트 병합""" |
| 60 | + |
| 61 | + def test_same_day_merge_qty(self, ql): |
| 62 | + ql.add_lot("SOXL", 10, 50.0) |
| 63 | + ql.add_lot("SOXL", 5, 40.0) |
| 64 | + q = ql.get_queue("SOXL") |
| 65 | + assert len(q) == 1 |
| 66 | + assert q[0]["qty"] == 15 |
| 67 | + |
| 68 | + def test_same_day_merge_weighted_avg_price(self, ql): |
| 69 | + ql.add_lot("SOXL", 10, 50.0) |
| 70 | + ql.add_lot("SOXL", 10, 40.0) |
| 71 | + q = ql.get_queue("SOXL") |
| 72 | + assert q[0]["price"] == 45.0 |
| 73 | + |
| 74 | + def test_same_day_merge_unequal_qty(self, ql): |
| 75 | + ql.add_lot("SOXL", 10, 100.0) |
| 76 | + ql.add_lot("SOXL", 5, 50.0) |
| 77 | + q = ql.get_queue("SOXL") |
| 78 | + expected_price = (10 * 100.0 + 5 * 50.0) / 15 |
| 79 | + assert q[0]["price"] == pytest.approx(expected_price, abs=0.01) |
| 80 | + |
| 81 | + |
| 82 | +class TestPopLots: |
| 83 | + """LIFO pop 동작""" |
| 84 | + |
| 85 | + def test_pop_exact_qty(self, ql): |
| 86 | + ql.add_lot("SOXL", 10, 50.0) |
| 87 | + popped = ql.pop_lots("SOXL", 10) |
| 88 | + assert popped == 10 |
| 89 | + assert ql.get_total_qty("SOXL") == 0 |
| 90 | + |
| 91 | + def test_pop_partial(self, ql): |
| 92 | + ql.add_lot("SOXL", 10, 50.0) |
| 93 | + popped = ql.pop_lots("SOXL", 3) |
| 94 | + assert popped == 3 |
| 95 | + q = ql.get_queue("SOXL") |
| 96 | + assert q[0]["qty"] == 7 |
| 97 | + |
| 98 | + def test_pop_zero_returns_zero(self, ql): |
| 99 | + ql.add_lot("SOXL", 10, 50.0) |
| 100 | + assert ql.pop_lots("SOXL", 0) == 0 |
| 101 | + assert ql.get_total_qty("SOXL") == 10 |
| 102 | + |
| 103 | + def test_pop_more_than_available(self, ql): |
| 104 | + ql.add_lot("SOXL", 5, 50.0) |
| 105 | + popped = ql.pop_lots("SOXL", 10) |
| 106 | + assert popped == 5 |
| 107 | + assert ql.get_total_qty("SOXL") == 0 |
| 108 | + |
| 109 | + def test_pop_from_empty_queue(self, ql): |
| 110 | + popped = ql.pop_lots("SOXL", 5) |
| 111 | + assert popped == 0 |
| 112 | + |
| 113 | + |
| 114 | +class TestGhostLotCleaning: |
| 115 | + """유령 로트(0주) 자동 청소""" |
| 116 | + |
| 117 | + def test_ghost_lot_filtered_on_get(self, ql): |
| 118 | + ql.add_lot("SOXL", 10, 50.0) |
| 119 | + # 직접 0주 로트 주입 |
| 120 | + with ql._lock: |
| 121 | + data = ql._load_unsafe() |
| 122 | + data["SOXL"].append({"qty": 0, "price": 30.0, "date": "2026-01-01", "type": "GHOST"}) |
| 123 | + ql._save_unsafe(data) |
| 124 | + |
| 125 | + q = ql.get_queue("SOXL") |
| 126 | + assert all(int(float(lot.get("qty", 0))) > 0 for lot in q) |
| 127 | + |
| 128 | + |
| 129 | +class TestSyncWithBroker: |
| 130 | + """브로커 잔고 동기화 (CALIB)""" |
| 131 | + |
| 132 | + def test_sync_no_change_needed(self, ql): |
| 133 | + ql.add_lot("SOXL", 10, 50.0) |
| 134 | + changed = ql.sync_with_broker("SOXL", 10, 50.0) |
| 135 | + assert changed is False |
| 136 | + |
| 137 | + def test_sync_add_missing_qty(self, ql): |
| 138 | + ql.add_lot("SOXL", 10, 50.0) |
| 139 | + changed = ql.sync_with_broker("SOXL", 15, 48.0) |
| 140 | + assert changed is True |
| 141 | + assert ql.get_total_qty("SOXL") == 15 |
| 142 | + |
| 143 | + def test_sync_remove_excess_qty(self, ql): |
| 144 | + ql.add_lot("SOXL", 10, 50.0) |
| 145 | + changed = ql.sync_with_broker("SOXL", 7, 50.0) |
| 146 | + assert changed is True |
| 147 | + assert ql.get_total_qty("SOXL") == 7 |
| 148 | + |
| 149 | + def test_sync_add_rejects_zero_price(self, ql): |
| 150 | + ql.add_lot("SOXL", 10, 50.0) |
| 151 | + changed = ql.sync_with_broker("SOXL", 15, 0.0) |
| 152 | + assert changed is True |
| 153 | + # 가격 불명이면 기존 로트의 가격을 사용 |
| 154 | + assert ql.get_total_qty("SOXL") == 15 |
| 155 | + |
| 156 | + def test_sync_from_empty_to_new(self, ql): |
| 157 | + changed = ql.sync_with_broker("SOXL", 5, 45.0) |
| 158 | + assert changed is True |
| 159 | + assert ql.get_total_qty("SOXL") == 5 |
| 160 | + |
| 161 | + def test_sync_to_zero(self, ql): |
| 162 | + ql.add_lot("SOXL", 10, 50.0) |
| 163 | + changed = ql.sync_with_broker("SOXL", 0) |
| 164 | + assert changed is True |
| 165 | + assert ql.get_total_qty("SOXL") == 0 |
| 166 | + |
| 167 | + |
| 168 | +class TestAtomicWriteAndBackup: |
| 169 | + """원자적 쓰기 및 백업 자가 치유""" |
| 170 | + |
| 171 | + def test_file_persists_after_add(self, ql): |
| 172 | + ql.add_lot("SOXL", 10, 50.0) |
| 173 | + assert os.path.exists(ql.file_path) |
| 174 | + with open(ql.file_path, 'r') as f: |
| 175 | + data = json.load(f) |
| 176 | + assert "SOXL" in data |
| 177 | + |
| 178 | + def test_backup_created_after_save(self, ql): |
| 179 | + ql.add_lot("SOXL", 10, 50.0) |
| 180 | + assert os.path.exists(ql.file_path + ".bak") |
| 181 | + |
| 182 | + def test_self_healing_from_backup(self, ql): |
| 183 | + ql.add_lot("SOXL", 10, 50.0) |
| 184 | + # 원본 파일 손상 |
| 185 | + with open(ql.file_path, 'w') as f: |
| 186 | + f.write("{invalid json") |
| 187 | + # 백업에서 복원되어야 함 |
| 188 | + q = ql.get_queue("SOXL") |
| 189 | + assert len(q) == 1 |
| 190 | + assert q[0]["qty"] == 10 |
| 191 | + |
| 192 | + def test_both_corrupted_raises_error(self, ql): |
| 193 | + ql.add_lot("SOXL", 10, 50.0) |
| 194 | + with open(ql.file_path, 'w') as f: |
| 195 | + f.write("{bad") |
| 196 | + with open(ql.file_path + ".bak", 'w') as f: |
| 197 | + f.write("{bad") |
| 198 | + with pytest.raises(RuntimeError, match="FATAL ERROR"): |
| 199 | + ql.get_queue("SOXL") |
| 200 | + |
| 201 | + |
| 202 | +class TestThreadSafety: |
| 203 | + """스레드 안전성""" |
| 204 | + |
| 205 | + def test_concurrent_add_lots(self, ql): |
| 206 | + errors = [] |
| 207 | + |
| 208 | + def add_lots(ticker, count): |
| 209 | + try: |
| 210 | + for _ in range(count): |
| 211 | + ql.add_lot(ticker, 1, 50.0) |
| 212 | + except Exception as e: |
| 213 | + errors.append(e) |
| 214 | + |
| 215 | + threads = [threading.Thread(target=add_lots, args=("SOXL", 50)) for _ in range(4)] |
| 216 | + for t in threads: |
| 217 | + t.start() |
| 218 | + for t in threads: |
| 219 | + t.join() |
| 220 | + |
| 221 | + assert not errors |
| 222 | + total = ql.get_total_qty("SOXL") |
| 223 | + assert total == 200 |
| 224 | + |
| 225 | + def test_concurrent_add_and_pop(self, ql): |
| 226 | + ql.add_lot("SOXL", 100, 50.0) |
| 227 | + errors = [] |
| 228 | + |
| 229 | + def pop_lots(): |
| 230 | + try: |
| 231 | + ql.pop_lots("SOXL", 10) |
| 232 | + except Exception as e: |
| 233 | + errors.append(e) |
| 234 | + |
| 235 | + threads = [threading.Thread(target=pop_lots) for _ in range(5)] |
| 236 | + for t in threads: |
| 237 | + t.start() |
| 238 | + for t in threads: |
| 239 | + t.join() |
| 240 | + |
| 241 | + assert not errors |
| 242 | + assert ql.get_total_qty("SOXL") == 50 |
| 243 | + |
| 244 | + |
| 245 | +class TestMultiTicker: |
| 246 | + """다중 종목 격리""" |
| 247 | + |
| 248 | + def test_tickers_independent(self, ql): |
| 249 | + ql.add_lot("SOXL", 10, 50.0) |
| 250 | + ql.add_lot("TQQQ", 20, 30.0) |
| 251 | + assert ql.get_total_qty("SOXL") == 10 |
| 252 | + assert ql.get_total_qty("TQQQ") == 20 |
| 253 | + |
| 254 | + def test_pop_one_ticker_no_affect_other(self, ql): |
| 255 | + ql.add_lot("SOXL", 10, 50.0) |
| 256 | + ql.add_lot("TQQQ", 20, 30.0) |
| 257 | + ql.pop_lots("SOXL", 5) |
| 258 | + assert ql.get_total_qty("SOXL") == 5 |
| 259 | + assert ql.get_total_qty("TQQQ") == 20 |
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