build first set of docker container in pipline and place them in the the github registry (#142)

- added a Dockerfile for the thre containers
- added a workflow step to build and placing the container in the
registry
- added a docker-compose.yaml to use the build images
- added a docker compose to build the images locally and a script for
prebuild steps

tests/ui/protection_test.py

@@ -0,0 +1,26 @@
+"""Tests the addition of an authentication framework."""
+from _pytest.monkeypatch import MonkeyPatch
+from dash import Dash
+from pytest_mock import MockerFixture
+
+from aki_prj23_transparenzregister.ui import protection
+
+
+def test_no_auth(monkeypatch: MonkeyPatch, mocker: MockerFixture) -> None:
+    """Tests if no authentication is added."""
+    monkeypatch.setenv("PYTHON_DASH_LOGIN_USERNAME", "")
+    monkeypatch.setenv("PYTHON_DASH_LOGIN_PW", "")
+
+    basic_auth_mocker = mocker.spy(protection.dash_auth, "BasicAuth")
+    protection.add_auth(Dash())
+    basic_auth_mocker.assert_not_called()
+
+
+def test_add_auth(monkeypatch: MonkeyPatch, mocker: MockerFixture) -> None:
+    """Tests if an authentication is added."""
+    monkeypatch.setenv("PYTHON_DASH_LOGIN_USERNAME", "some-login")
+    monkeypatch.setenv("PYTHON_DASH_LOGIN_PW", "some-pw")
+
+    basic_auth_mocker = mocker.spy(protection.dash_auth, "BasicAuth")
+    protection.add_auth(Dash())
+    basic_auth_mocker.assert_called_once()