Add tests

app/apps/yearly_overview/tests.py

@@ -0,0 +1,26 @@
+from django.test import TestCase, Client
+from django.contrib.auth.models import User
+from django.urls import reverse
+
+class YearlyOverviewTestCase(TestCase):
+    def test_example(self):
+        self.assertEqual(1 + 1, 2)
+
+    def test_yearly_overview_by_currency_view_authenticated_user(self):
+        # Create a test user
+        user = User.objects.create_user(username='testuser', password='testpassword')
+
+        # Create a Client instance
+        client = Client()
+
+        # Log in the test user
+        client.login(username='testuser', password='testpassword')
+
+        # Make a GET request to the yearly_overview_currency view (e.g., for year 2023)
+        # Assuming your view is named 'yearly_overview_currency' in urls.py
+        # and takes year as an argument.
+        # Adjust the view name and arguments if necessary.
+        response = client.get(reverse('yearly_overview:yearly_overview_currency', args=[2023]))
+
+        # Assert that the response status code is 200
+        self.assertEqual(response.status_code, 200)