adding tests for the views

Author: John Olanipekun

FinanceTracker/FinTech/views.py

@@ -16,7 +16,7 @@ def dashboard(request):
         for catg in my_catg:
             out_dict[catg.name]=0
 
-        expenses= Expense.objects.filter(user=request.user.id)
+        expenses= Expense.objects.filter(user=request.user.id).order_by('id')
         for expense in expenses:
             catg=expense.category
             pre_amount=expense.amount

FinanceTracker/FinanceTracker/tests/test_views.py

@@ -0,0 +1,48 @@
+from django.test import TestCase, Client
+from django.urls import reverse
+from django.contrib.auth.models import User
+from datetime import date
+from unittest.mock import patch, MagicMock
+from FinTech.models import IncomeCategory, ExpenseCategory, Income, Expense, Budget, Account
+import json
+
+
+class TestViews(TestCase):
+    
+    def setUp(self):
+        # Create a user and log them in
+        self.user = User.objects.create_user(username='testuser', password='testpass')
+        self.client.login(username='testuser', password='testpass')
+        
+        # Create an account for the user
+        self.account = Account.objects.create(user=self.user, balance=500)
+        
+        # Create expense categories for the user
+        self.catg_food = ExpenseCategory.objects.create(user=self.user, name='Food')
+        self.catg_transport = ExpenseCategory.objects.create(user=self.user, name='Transport')
+
+        # Create expenses for the user
+        self.expense1 = Expense.objects.create(user=self.user, amount=50, category=self.catg_food, date=date.today())
+        self.expense2 = Expense.objects.create(user=self.user, amount=20, category=self.catg_transport, date=date.today())
+        self.expense3 = Expense.objects.create(user=self.user, amount=30, category=self.catg_food, date=date.today())
+    
+    def test_dashboard_view_expenses_and_balance(self):
+        # Call the dashboard view
+        response = self.client.get(reverse('dashboard'))
+        
+        # Check if the response is 200 OK
+        self.assertEqual(response.status_code, 200)
+        
+        # Check if the account balance is passed correctly to the template
+        self.assertContains(response, self.account.balance)
+        
+        # Check if the expenses by category are calculated correctly
+        context = response.context
+        expected_expenses = {
+            'Food': 80,  # 50 + 30
+            'Transport': 20  # 20
+        }
+        
+        # Verify that the output dictionary has correct totals
+       # self.assertEqual(context['catg_list'], ['Food', 'Transport'])
+        self.assertEqual(context['catg_total_list'], [80, 20])