feat: add django-whitenoise

tracker/tests.py

@@ -1,5 +1,7 @@
+import json
 from datetime import timedelta
 
+from django.conf import settings
 from django.test import TestCase
 from django.urls import reverse
 from django.utils import timezone
@@ -246,6 +248,18 @@ class PwaTests(TrackerTestCase):
         self.assertContains(response, 'rel="manifest"')
         self.assertContains(response, "serviceWorker.register")
 
+    def test_the_manifest_is_valid_json_pointing_at_real_icons(self):
+        response = self.client.get(reverse("manifest"))
+
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response["Content-Type"], "application/manifest+json")
+
+        manifest = json.loads(response.content)
+        self.assertEqual(manifest["start_url"], reverse("tracker:today"))
+        self.assertEqual(len(manifest["icons"]), 3)
+        for icon in manifest["icons"]:
+            self.assertTrue(icon["src"].startswith(settings.STATIC_URL))
+
     def test_the_login_page_is_installable_too(self):
         # The app opens on the login screen when the session lapses.
         response = self.client.get("/admin/login/")