add test

Makefile

@@ -8,6 +8,9 @@ format:
 lint:
 	pylint --disable=R,C app.py
 
+test:
+	python -m pytest -vv test_app.py
+ 
 run: 
 	#run docker
 	docker run -p 127.0.0.1:8080:8080 1896dd6bda62

test_app.py

@@ -0,0 +1,6 @@
+from app import extract_comments
+
+url = "https://www.reddit.com/r/europe/comments/r0hthg/sweden_is_taking_the_lead_to_persuade_the_rest_of/"
+
+def test_classifier(input_url = url):
+    return extract_comments(input_url)