Add type hints and other small stuff

tests/test_main.py

@@ -1,26 +1,33 @@
+from typing import Literal
+
 from fastapi.testclient import TestClient
+from httpx import Response
 
-from discord_rss_bot.main import app, create_list_of_webhooks, encode_url
+from discord_rss_bot.main import app, encode_url
 
-client = TestClient(app)
+client: TestClient = TestClient(app)
 
 
-def test_read_main():
-    response = client.get("/")
+def test_read_main() -> None:
+    """Test the main page."""
+    response: Response = client.get("/")
     assert response.status_code == 200
 
 
-def test_add():
-    response = client.get("/add")
+def test_add() -> None:
+    """Test the /add page."""
+    response: Response = client.get("/add")
     assert response.status_code == 200
 
 
-def test_search():
-    response = client.get("/search/?query=a")
+def test_search() -> None:
+    """Test the /search page."""
+    response: Response = client.get("/search/?query=a")
     assert response.status_code == 200
 
 
-def test_encode_url():
-    before = "https://www.google.com/"
-    after = "https%3A//www.google.com/"
+def test_encode_url() -> None:
+    """Test the encode_url function."""
+    before: Literal["https://www.google.com/"] = "https://www.google.com/"
+    after: Literal["https%3A//www.google.com/"] = "https%3A//www.google.com/"
     assert encode_url(url_to_quote=before) == after