created test for income

expenses_manager/expenses/tests/test_income.py

@@ -0,0 +1,26 @@
+import pytest
+from datetime import date
+from decimal import Decimal
+from django.urls import reverse
+from expenses.models import Income, Account
+
+pytestmark = pytest.mark.django_db
+
+def test_income_increases_account_balance(client, django_user_model):
+    user = django_user_model.objects.create_user(
+        username='test',
+        password='1234'
+    )
+    client.login(username='test', password='1234')
+    
+    general_account = Account.objects.create(name='General', owner=user, initial_balance=1000, active=True)
+    
+    Income.objects.create(
+        owner=user,
+        account=general_account,
+        amount=500,
+        name='Nomina enero',
+        date=date.today(),
+    )
+    
+    assert general_account.current_balance() == 1500