Add a cli interface to choose a configuration (#163)

- [x] add a cli to the webserver to take env variables into account 
- [x] add a cli to the data processing that takes enviromental variable
as a valid source into account
- [x] rework the cli for the reset sql command
- [x] rework the cli for the copying of sql data from one db to another

tests/utils/data_transfer_test.py

@@ -1,6 +1,7 @@
 """Test the transfer functions from mongodb to sql."""
 import random
 import string
+import sys
 from datetime import date
 from typing import Any
 
@@ -8,13 +9,13 @@ import numpy as np
 import pandas as pd
 import pytest
 import sqlalchemy as sa
+from _pytest.monkeypatch import MonkeyPatch
 from pytest_mock import MockerFixture
 from sqlalchemy.engine import Engine
 from sqlalchemy.orm import Session
 
 from aki_prj23_transparenzregister.models.company import CapitalTypeEnum, CurrencyEnum
 from aki_prj23_transparenzregister.utils import data_transfer
-from aki_prj23_transparenzregister.utils.data_transfer import norm_capital
 from aki_prj23_transparenzregister.utils.sql import entities
 
 
@@ -1025,7 +1026,9 @@ def test_add_annual_report_financial_key_error(full_db: Session) -> None:
 @pytest.mark.parametrize("currency", ["€", "EUR"])
 def test_norm_capital_eur(currency: str, capital_type: str) -> None:
     """Tests if eur entries can be converted / normed correctly."""
-    assert norm_capital({"value": 5, "currency": currency, "type": capital_type}) == {
+    assert data_transfer.norm_capital(
+        {"value": 5, "currency": currency, "type": capital_type}
+    ) == {
         "capital_value": 5.0,
         "capital_currency": CurrencyEnum("EUR"),
         "capital_type": CapitalTypeEnum(capital_type),
@@ -1036,7 +1039,7 @@ def test_norm_capital_eur(currency: str, capital_type: str) -> None:
 @pytest.mark.parametrize("currency", ["DM", "DEM"])
 def test_norm_capital_dm(currency: str, capital_type: CapitalTypeEnum) -> None:
     """Tests if dm entries can be converted / normed correctly."""
-    assert norm_capital(
+    assert data_transfer.norm_capital(
         capital={"value": 5, "currency": currency, "type": capital_type}
     ) == {
         "capital_value": 2.56,
@@ -1047,7 +1050,7 @@ def test_norm_capital_dm(currency: str, capital_type: CapitalTypeEnum) -> None:
 
 def test_norm_capital_fail() -> None:
     """Tests if the entry is dropped if it isn't complete."""
-    assert norm_capital({"something": "something"}) == {}  # type: ignore
+    assert data_transfer.norm_capital({"something": "something"}) == {}  # type: ignore
 
 
 @pytest.mark.parametrize(
@@ -1062,3 +1065,30 @@ def test_norm_capital_fail() -> None:
 )
 def test_get_geocodes(zip_code: str | None, results: dict) -> None:
     assert data_transfer.get_geocodes(zip_code) == results
+
+
+def test_transfer_data_cli(monkeypatch: MonkeyPatch) -> None:
+    monkeypatch.setattr(sys, "argv", [sys.argv[0]])
+    with pytest.raises(SystemExit):
+        data_transfer.transfer_data_cli()
+
+
+def test_transfer_data_cli_help(monkeypatch: MonkeyPatch) -> None:
+    monkeypatch.setattr(sys, "argv", [sys.argv[0], "-h"])
+    with pytest.raises(SystemExit):
+        data_transfer.transfer_data_cli()
+
+
+@pytest.mark.parametrize("upper", [True, False])
+def test_transfer_data_cli_env(
+    monkeypatch: MonkeyPatch, upper: bool, mocker: MockerFixture
+) -> None:
+    monkeypatch.setattr(sys, "argv", [sys.argv[0], "ENV" if upper else "env"])
+    mocker.patch(
+        "aki_prj23_transparenzregister.utils.data_transfer.transfer_data", lambda _: _
+    )
+    spy = mocker.spy(data_transfer, "transfer_data")
+
+    # with pytest.raises(KeyError):
+    data_transfer.transfer_data_cli()
+    spy.assert_called_once()