added test back

src/registrar/tests/test_views_domain.py

@@ -709,7 +709,23 @@ class TestDomainManagers(TestDomainOverview):
         self.client.post(reverse("invitation-cancel", kwargs={"pk": invitation.id}))
         invitation = DomainInvitation.objects.get(id=invitation.id)
         self.assertEqual(invitation.status, DomainInvitation.DomainInvitationStatus.CANCELED)
-
+    
+    @less_console_noise_decorator
+    def test_domain_invitation_cancel_retrieved_invitation(self):
+        """Posting to the cancel view when invitation retrieved returns an error message"""
+        email_address = "mayor@igorville.gov"
+        invitation, _ = DomainInvitation.objects.get_or_create(
+            domain=self.domain, email=email_address, status=DomainInvitation.DomainInvitationStatus.RETRIEVED
+        )
+        response = self.client.post(reverse("invitation-cancel", kwargs={"pk": invitation.id}), follow=True)
+        # Assert that an error message is displayed to the user
+        self.assertContains(response, f"Invitation to {email_address} has already been retrieved.")
+        # Assert that the Cancel link is not displayed
+        self.assertNotContains(response, "Cancel")
+        # Assert that the DomainInvitation is not deleted
+        self.assertTrue(DomainInvitation.objects.filter(id=invitation.id).exists())
+        DomainInvitation.objects.filter(email=email_address).delete()
+    
     @less_console_noise_decorator
     def test_domain_invitation_cancel_no_permissions(self):
         """Posting to the cancel view as a different user should fail."""

src/registrar/views/domain.py

@@ -963,7 +963,7 @@ class DomainAddUserView(DomainFormBaseView):
         # Check to see if an invite has already been sent
         try:
             invite = DomainInvitation.objects.get(email=email, domain=self.object)
-            # check if the invite has already been accepted
+            # check if the invite has already been accepted or has a canceled invite
             add_success = self._check_invite_status(invite, email)
         except Exception:
             logger.error("An error occured")