Add unit tests (#133)

* Add initial test & add pipeline

* Add very basic YAML config tests

* Add coverage reporting

* Add some webserver & template loading tests

* Add test cases for the helpers

* Implement initial OIDC server tests

* Test codestore & discovery checker

* Test basics of the config flow

* Add test for the HA auth provider

* Cleaned up tests & test injection

custom_components/auth_oidc/endpoints/welcome.py

@@ -23,7 +23,7 @@ class OIDCWelcomeView(HomeAssistantView):
         """Receive response."""
 
         if not self.is_enabled:
-            return web.HTTPTemporaryRedirect(get_url("/", self.force_https))
+            raise web.HTTPTemporaryRedirect(get_url("/", self.force_https))
 
         view_html = await get_view("welcome", {"name": self.name})
         return web.Response(text=view_html, content_type="text/html")