feat: unit tests

Co-Authored-by: Nathan Python <nathan.python@hes-so.ch>

Author: NathanPython2002

tests/conftest.py

@@ -0,0 +1,9 @@
+import pytest
+from app import create_app
+
+@pytest.fixture
+def client():
+    """Create a test client for the Flask application."""
+    app = create_app()
+    app.testing = True
+    return app.test_client()

tests/test_app.py

@@ -0,0 +1,17 @@
+"""Test if the home page returns status code 200 and contains expected content"""
+def test_home_status_code(client):
+    response = client.get("/")
+    assert response.status_code == 200
+    assert b"Hello" in response.data or b"Rero+" in response.data
+
+""" Test if the help page returns status code 200 and contains expected content"""
+def test_help_status_code(client):
+    response = client.get("/help")
+    assert response.status_code == 200
+    assert b"Aide" in response.data or b"Help" in response.data
+
+"""  Test if the 404 error handler returns status code 404 and contains expected content"""
+def test_404_status_code(client):
+    response = client.get("/nonexistent_page")
+    assert response.status_code == 404
+    assert b"Page not found" in response.data