54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
import sys
|
|
from pathlib import Path
|
|
import sqlite3
|
|
|
|
sys.path.append(str(Path(__file__).resolve().parents[1]))
|
|
|
|
from repositories.sqlite_repository import SQLiteOrderflowRepository
|
|
|
|
|
|
def test_iterate_book_rows_batches(tmp_path):
|
|
db_path = tmp_path / "iter.db"
|
|
with sqlite3.connect(str(db_path)) as conn:
|
|
c = conn.cursor()
|
|
c.execute(
|
|
"""
|
|
CREATE TABLE book (
|
|
id INTEGER PRIMARY KEY,
|
|
bids TEXT NOT NULL,
|
|
asks TEXT NOT NULL,
|
|
timestamp INTEGER NOT NULL
|
|
)
|
|
"""
|
|
)
|
|
c.execute(
|
|
"""
|
|
CREATE TABLE trades (
|
|
id INTEGER PRIMARY KEY,
|
|
trade_id REAL NOT NULL,
|
|
price REAL NOT NULL,
|
|
size REAL NOT NULL,
|
|
side TEXT NOT NULL,
|
|
timestamp INTEGER NOT NULL
|
|
)
|
|
"""
|
|
)
|
|
# Insert 12 rows to ensure multiple fetchmany batches (repo uses 5000, but iteration still correct)
|
|
bids = str([(100.0, 1.0, 0, 1)])
|
|
asks = str([(101.0, 1.0, 0, 1)])
|
|
for i in range(12):
|
|
c.execute("INSERT INTO book (id, bids, asks, timestamp) VALUES (?, ?, ?, ?)", (i + 1, bids, asks, 1000 + i))
|
|
conn.commit()
|
|
|
|
repo = SQLiteOrderflowRepository(db_path)
|
|
with repo.connect() as conn:
|
|
rows = list(repo.iterate_book_rows(conn))
|
|
assert len(rows) == 12
|
|
# Ensure ordering by timestamp ascending
|
|
timestamps = [r[3] for r in rows]
|
|
assert timestamps == sorted(timestamps)
|
|
|
|
# count_rows allowlist should work
|
|
assert repo.count_rows(conn, "book") == 12
|
|
|