tests/test_utils/salesforce_system_helpers.py

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from __future__ import annotations

import json
import os
from contextlib import contextmanager

from airflow.exceptions import AirflowException
from airflow.models import Connection
from airflow.utils.process_utils import patch_environ

CONFIG_REQUIRED_FIELDS = ["host", "login", "password", "security_token"]
SALESFORCE_CONNECTION_ID = os.environ.get("SALESFORCE_CONNECTION_ID", "salesforce_default")
CONNECTION_TYPE = os.environ.get("CONNECTION_TYPE", "http")


@contextmanager
def provide_salesforce_connection(key_file_path: str):
    """
    Context manager that provides a temporary value of SALESFORCE_DEFAULT connection.

    :param key_file_path: Path to file with SALESFORCE credentials .json file.
    """
    if not key_file_path.endswith(".json"):
        raise AirflowException("Use a JSON key file.")
    with open(key_file_path) as credentials:
        creds = json.load(credentials)
    missing_keys = CONFIG_REQUIRED_FIELDS - creds.keys()
    if missing_keys:
        message = f"{missing_keys} fields are missing"
        raise AirflowException(message)
    conn = Connection(
        conn_id=SALESFORCE_CONNECTION_ID,
        conn_type=CONNECTION_TYPE,
        host=creds["host"],
        login=creds["login"],
        password=creds["password"],
        extra=json.dumps({"security_token": creds["security_token"]}),
    )
    with patch_environ({f"AIRFLOW_CONN_{conn.conn_id.upper()}": conn.get_uri()}):
        yield