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"""Module that holds fixtures for integration tests"""
import pytest
import MySQLdb
from gn3.app import create_app
from gn3.random import random_string
from gn3.db_utils import parse_db_url, database_connector
@pytest.fixture(scope="session")
def client():
"""Create a test client fixture for tests"""
# Do some setup
app = create_app()
app.config.update({"TESTING": True})
app.testing = True
yield app.test_client()
# Do some teardown/cleanup
@pytest.fixture(scope="session")
def db_conn():
"""Create a db connection fixture for tests"""
# 01) Generate random string to append to all test db artifacts for the session
rand_str = random_string(15)
live_db_details = parse_db_url()
test_db_name = f"test_{live_db_details[3]}_{rand_str}"
#
# 02) Create new test db
# Use context manager to ensure the live connection is automatically
# closed on exit
with database_connector() as live_db_conn:
with live_db_conn.cursor() as live_db_cursor:
live_db_cursor.execute(f"CREATE DATABASE {test_db_name}")
#
# 03) Copy over table structure from source db into test db
live_db_cursor.execute("SHOW TABLES;")
queries = (
f"CREATE TABLE {test_db_name}.{row[0]} AS SELECT * FROM {row[0]} WHERE 1=0;"
for row in live_db_cursor.fetchall())
for query in queries:
live_db_cursor.execute(query)
#
# 04) get database connection to test db and yield it up
test_db_conn = MySQLdb.connect(
live_db_details[0], live_db_details[1], live_db_details[2],
test_db_name)
yield test_db_conn
#
# 05) Clean up after ourselves
# a.) Close the test db connection
test_db_conn.close()
#
# b.) Delete the test database
live_db_cursor.execute(f"DROP DATABASE IF EXISTS {test_db_name}")
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