Bug fixed when sending yourself a test the back button links to the correct url.

Remove traceback.

app/main/views/send.py

@@ -205,7 +205,6 @@ def send_from_api(service_id, template_id):
 @login_required
 @user_has_permissions('send_texts', 'send_emails', 'send_letters')
 def check_messages(service_id, template_type, upload_id):
-
     if not session.get('upload_data'):
         return redirect(url_for('main.choose_template', service_id=service_id, template_type=template_type))
 
@@ -239,8 +238,9 @@ def check_messages(service_id, template_type, upload_id):
     )
 
     if request.args.get('from_test') and len(template.placeholders):
+        extra_args = {'help': 1} if request.args.get('help') else {}
         back_link = url_for(
-            '.send_test', service_id=service_id, template_id=template.id, help=1 if request.args.get('help') else 0
+            '.send_test', service_id=service_id, template_id=template.id, **extra_args
         )
     else:
         back_link = url_for('.send_messages', service_id=service_id, template_id=template.id)

tests/app/main/views/test_send.py

@@ -591,3 +591,66 @@ def test_route_choose_template_manage_api_keys_permissions(mocker,
             service_id=service_one['id'],
             template_id=template_id)))
         assert len(links) == 1
+
+
+def test_check_messages_back_link_with_help(app_,
+                                            api_user_active,
+                                            mock_login,
+                                            mock_get_user_by_email,
+                                            mock_get_users_by_service,
+                                            mock_get_service,
+                                            mock_get_service_template_with_placeholders,
+                                            mock_has_permissions,
+                                            mock_get_service_statistics,
+                                            mock_s3_download,
+                                            fake_uuid):
+    with app_.test_request_context():
+        with app_.test_client() as client:
+            client.login(api_user_active)
+            with client.session_transaction() as session:
+                session['upload_data'] = {'original_file_name': 'valid.csv',
+                                          'template_id': fake_uuid,
+                                          'notification_count': 1,
+                                          'valid': True}
+            response = client.get(url_for(
+                'main.check_messages',
+                service_id=fake_uuid,
+                upload_id=fake_uuid,
+                template_type='sms',
+                from_test=True,
+                help=2)
+            )
+        assert response.status_code == 200
+        content = response.get_data(as_text=True)
+        assert url_for('.send_test', service_id=fake_uuid, template_id=fake_uuid, help=1) in content
+
+
+def test_check_messages_back_link_without_help(app_,
+                                               api_user_active,
+                                               mock_login,
+                                               mock_get_user_by_email,
+                                               mock_get_users_by_service,
+                                               mock_get_service,
+                                               mock_get_service_template_with_placeholders,
+                                               mock_has_permissions,
+                                               mock_get_service_statistics,
+                                               mock_s3_download,
+                                               fake_uuid):
+    with app_.test_request_context():
+        with app_.test_client() as client:
+            client.login(api_user_active)
+            with client.session_transaction() as session:
+                session['upload_data'] = {'original_file_name': 'valid.csv',
+                                          'template_id': fake_uuid,
+                                          'notification_count': 1,
+                                          'valid': True}
+            response = client.get(url_for(
+                'main.check_messages',
+                service_id=fake_uuid,
+                upload_id=fake_uuid,
+                template_type='sms',
+                from_test=True)
+            )
+        assert response.status_code == 200
+        content = response.get_data(as_text=True)
+        assert url_for('.send_test', service_id=fake_uuid, template_id=fake_uuid) in content

tests/conftest.py

@@ -891,6 +891,20 @@ def mock_s3_upload(mocker):
     return mocker.patch('app.main.views.send.s3upload', side_effect=_upload)
 
 
+@pytest.fixture(scope='function')
+def mock_s3_download(mocker, content=None):
+    if not content:
+        content = """
+            phone number,name
+            +447700900986,John
+            +447700900986,Smith
+        """
+
+    def _download(service_id, upload_id):
+        return content
+    return mocker.patch('app.main.views.send.s3download', side_effect=_download)
+
+
 @pytest.fixture(scope='function')
 def sample_invite(mocker, service_one, status='pending'):
     id_ = str(generate_uuid())