Add admin dashboard with KPIs

claims/tests.py

@@ -1,7 +1,14 @@
+from datetime import timedelta
+
+from django.contrib.auth import get_user_model
+from django.contrib.auth.models import Permission
 from django.core.exceptions import ValidationError
 from django.core.files.uploadedfile import SimpleUploadedFile
 from django.test import TestCase, override_settings
+from django.urls import reverse
+from django.utils import timezone
 
+from .models import Claim
 from .validators import validate_receipt_file
 from .views import SubmitClaimView
 
@@ -65,3 +72,44 @@ class ClaimFormsetLimitTests(TestCase):
         formset = view.build_formset(data=data)
         self.assertFalse(formset.is_valid())
         self.assertTrue(formset.non_form_errors())
+
+
+class DashboardViewTests(TestCase):
+    def setUp(self):
+        User = get_user_model()
+        self.user = User.objects.create_user(username="admin", password="test123", email="admin@example.com")
+        view_perm = Permission.objects.get(codename="view_claim")
+        self.user.user_permissions.add(view_perm)
+        self.client.force_login(self.user)
+
+    def _create_claim(self, **kwargs):
+        defaults = {
+            "full_name": "Test User",
+            "email": "test@example.com",
+            "amount": 123,
+            "currency": Claim.Currency.SEK,
+            "description": "Taxi",
+            "account_number": "123-456",
+        }
+        defaults.update(kwargs)
+        claim = Claim.objects.create(**defaults)
+        return claim
+
+    def test_dashboard_summary_counts(self):
+        recent_pending = self._create_claim()
+        recent_approved = self._create_claim(status=Claim.Status.APPROVED)
+        paid_claim = self._create_claim(status=Claim.Status.APPROVED, amount=500)
+        paid_claim.paid_at = timezone.now()
+        paid_claim.save(update_fields=["paid_at"])
+
+        old_claim = self._create_claim(status=Claim.Status.REJECTED)
+        Claim.objects.filter(pk=old_claim.pk).update(created_at=timezone.now() - timedelta(days=10))
+
+        response = self.client.get(reverse("claims:admin-list"))
+        self.assertEqual(response.status_code, 200)
+        summary = response.context["summary"]
+        self.assertEqual(summary["total_claims"], 4)
+        self.assertEqual(summary["last_week_claims"], 3)
+        self.assertEqual(summary["pending_count"], 1)
+        self.assertEqual(summary["approved_count"], 2)
+        self.assertEqual(summary["ready_to_pay"], 1)