issue-76: fixes partial coverage

http_stubs/tasks.py

@@ -27,9 +27,9 @@
 
 @celery_app.task()
 def run_request_script(
-    log_id: Optional[int],
     script: str,
     request_body: str,
+    log_id: Optional[int] = None,
 ) -> None:
     """Task for run custom scripts from http stubs.
 
@@ -38,7 +38,7 @@ def run_request_script(
     :param request_body: text body from a request
     """
     log: Optional[LogEntry] = None
-    if log_id:
+    if log_id is not None:
         log = LogEntry.objects.get(pk=log_id)
 
     loc = {'request_body': request_body, **restricted_builtins}
@@ -52,6 +52,6 @@ def run_request_script(
     else:
         log_msg = 'Done'
 
-    if log:
+    if log is not None:
         log.result_script = log_msg
         log.save()

http_stubs/tests/test_tasks.py

@@ -33,6 +33,15 @@ def test_run_request_script(script, expect, log_entity_factory):
     :param log_entity_factory: a factory for make LogEntity
     """
     log = log_entity_factory()
-    run_request_script.delay(log_id=log.id, script=script, request_body='')
+    run_request_script.delay(script=script, request_body='', log_id=log.id)
     log.refresh_from_db()
     assert log.result_script == expect
+
+
+@pytest.mark.parametrize('script', ('a = 1', '1 / 0'))
+def test_run_without_log(script):
+    """Tests run task without log_id.
+
+    :param script: a request script
+    """
+    run_request_script.run(script=script, request_body='')

http_stubs/views.py

@@ -64,9 +64,9 @@ def dispatch(self, request: HttpRequest, *args, **kwargs) -> HttpResponse:
 
         if stub.request_script:
             run_request_script.delay(
-                log_id=log.pk if log else None,
                 script=stub.request_script,
                 request_body=request.body.decode('utf-8'),
+                log_id=log.pk if log else None,
             )
 
         sleep(stub.resp_delay / 1000)