Add tests

tests/test_main.py

@@ -0,0 +1,26 @@
+from fastapi.testclient import TestClient
+
+from discord_rss_bot.main import app, create_list_of_webhooks, encode_url
+
+client = TestClient(app)
+
+
+def test_read_main():
+    response = client.get("/")
+    assert response.status_code == 200
+
+
+def test_add():
+    response = client.get("/add")
+    assert response.status_code == 200
+
+
+def test_search():
+    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/"
+    assert encode_url(url_to_quote=before) == after