Initial commit

site/payments/tests.py

@@ -0,0 +1,50 @@
+from decimal import Decimal
+
+from django.contrib.auth import get_user_model
+from django.test import Client, TestCase
+from django.urls import reverse
+
+from contacts.models import Contact
+from payments.models import Invoice
+from payments.services import next_invoice_number
+
+
+class PaymentsPortalTests(TestCase):
+    def setUp(self):
+        User = get_user_model()
+        self.user = User.objects.create_user("biller", password="test-pass-123")
+        self.client = Client()
+        self.client.login(username="biller", password="test-pass-123")
+        self.contact = Contact.objects.create(
+            email="pay@example.com", first_name="Pat", last_name="Lee"
+        )
+
+    def test_list_requires_login(self):
+        anon = Client()
+        self.assertEqual(anon.get(reverse("payments:invoice_list")).status_code, 302)
+
+    def test_create_draft_invoice(self):
+        response = self.client.post(
+            reverse("payments:invoice_create"),
+            {
+                "contact": str(self.contact.pk),
+                "description": "Website package",
+                "amount": "150.00",
+            },
+        )
+        self.assertEqual(response.status_code, 302)
+        inv = Invoice.objects.get()
+        self.assertEqual(inv.amount, Decimal("150.00"))
+        self.assertEqual(inv.status, Invoice.Status.DRAFT)
+        self.assertTrue(inv.number.startswith("INV-"))
+
+    def test_next_number_increments(self):
+        n1 = next_invoice_number()
+        Invoice.objects.create(
+            number=n1,
+            contact=self.contact,
+            description="a",
+            amount=Decimal("1.00"),
+        )
+        n2 = next_invoice_number()
+        self.assertNotEqual(n1, n2)