misc: always declare lingo_url if lingo is deployed (#86405)

hobo/multitenant/settings_loaders.py

@@ -152,6 +152,10 @@ class TemplateVars(FileBaseSettingsLoader):
                 variables['idp_account_url'] = service.get('base_url') + 'accounts/'
                 variables['idp_registration_url'] = service.get('base_url') + 'register/'
 
+            if service.get('service-id') == 'lingo' and not service.get('secondary'):
+                # always add a trailing /
+                variables['lingo_url'] = urllib.parse.urljoin(service.get('base_url'), '/')
+
             if not service.get('this'):
                 continue
 

tests_multitenant/conftest.py

@@ -85,6 +85,13 @@ def make_tenant(tmp_path, transactional_db, settings, request):
                             'template_name': '...portal-user...',
                             'base_url': 'http://portal-user.example.net',
                         },
+                        {
+                            'slug': 'payment',
+                            'title': 'Lingo',
+                            'service-id': 'lingo',
+                            'secret_key': '123456',
+                            'base_url': 'https://payment.example.net',
+                        },
                     ],
                 },
                 fd,

tests_multitenant/test_settings.py

@@ -88,6 +88,7 @@ def test_tenant_template_vars(tenants, settings, client):
                 assert (
                     django.conf.settings.TEMPLATE_VARS['portal_user_url'] == 'http://portal-user.example.net'
                 )
+                assert django.conf.settings.TEMPLATE_VARS['lingo_url'] == 'https://payment.example.net/'
 
         # check it's no longer defined after going back to the public schema
         with pytest.raises(AttributeError):