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"""
test_db.py
This script verifies the database connection for the Expressive TTS Arena project.
It attempts to connect to the PostgreSQL database using SQLAlchemy and executes a simple query.
Functionality:
- Loads the database connection from `database.py`.
- Attempts to establish a connection to the database.
- Executes a test query (`SELECT 1`) to confirm connectivity.
- Prints a success message if the connection is valid.
- Prints an error message if the connection fails.
Usage:
python src/test_db.py
Expected Output:
Database connection successful! (if the database is reachable)
Database connection failed: <error message> (if there are connection issues)
Troubleshooting:
- Ensure the `.env` file contains a valid `DATABASE_URL`.
- Check that the database server is running and accessible.
- Verify PostgreSQL credentials and network settings.
"""
# Third-Party Library Imports
from sqlalchemy import text
from sqlalchemy.exc import OperationalError
# Local Application Imports
from src.config import logger
from src.database import engine
try:
with engine.connect() as conn:
result = conn.execute(text("SELECT 1"))
logger.info("Database connection successful!")
except OperationalError as e:
logger.error(f"Database connection failed: {e}")
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