added tests

.gitignore

@@ -1,2 +1,3 @@
 venv/
-.idea/
+.idea/
+.pytest_cache

app.py

@@ -9,4 +9,4 @@ def hello_world():
 
 
 if __name__ == '__main__':
-    app.run(debug=True, host='0.0.0.0')
+    app.run(debug=True, host='0.0.0.0')

requirements.txt

@@ -1,6 +1,24 @@
+atomicwrites==1.3.0
+attrs==19.1.0
+certifi==2019.6.16
+chardet==3.0.4
 Click==7.0
+colorama==0.4.1
 Flask==1.0.3
+idna==2.8
+importlib-metadata==0.18
 itsdangerous==1.1.0
 Jinja2==2.10.1
 MarkupSafe==1.1.1
+more-itertools==7.1.0
+packaging==19.0
+pluggy==0.12.0
+py==1.8.0
+pyparsing==2.4.0
+pytest==5.0.0
+requests==2.22.0
+six==1.12.0
+urllib3==1.25.3
+wcwidth==0.1.7
 Werkzeug==0.15.4
+zipp==0.5.1

tests/app_test.py

@@ -0,0 +1,9 @@
+import pytest
+import requests
+
+
+url = 'http://127.0.0.1:5000'  # The root url of the flask app
+
+def test_index_page():
+    r = requests.get(url+'/')  # Assumses that it has a path of "/"
+    assert r.status_code == 200  # Assumes that it will return a 200 response