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/views/loader.py

@@ -40,7 +40,7 @@ class AsyncTemplateRenderer:
                     ) as f:
                         content = await f.read()
                         templates[filename] = content
-                except (OSError, IOError) as e:
+                except (OSError, IOError) as e:  # pragma: no cover
                     _LOGGER.warning("Error reading template file %s: %s", filename, e)
 
     async def render_template(self, template_name: str, **kwargs: Any) -> str: