fix: set tasks_max_eta default value to None

In GCP documentation (https://cloud.google.com/tasks/docs/quotas) the maximum schedule time for a task is 30 days from current date and time.

README.md

@@ -35,7 +35,7 @@ Additionally, you can configure with more settings or environment variables:
 - `DJANGO_CLOUD_TASKS_SUBSCRIBERS_URL_NAME`: Django URL-name that process Subscribers. We provide a view for that, but if you want to create your own, set this value. Default: `subscriptions-endpoint`.
 - `DJANGO_CLOUD_TASKS_PROPAGATED_HEADERS`: . Default: `["traceparent"]`.
 - `DJANGO_CLOUD_TASKS_PROPAGATED_HEADERS_KEY`: when propagating headers in PubSub, use a key to store the values in the Message data. Default: `_http_headers`.
-- `DJANGO_CLOUD_TASKS_MAXIMUM_ETA_TASK`: maximum time in seconds to schedule a task in the future. Default: `86400`.
+- `DJANGO_CLOUD_TASKS_MAXIMUM_ETA_TASK`: maximum time in seconds to schedule a task in the future. Default: `None`. In [GCP documentation](https://cloud.google.com/tasks/docs/quotas) the maximum schedule time for a task is 30 days from current date and time.
 
 ## On Demand Task
 

django_cloud_tasks/apps.py

@@ -30,7 +30,7 @@ def __init__(self, *args, **kwargs):
         self.delimiter = self._fetch_config(name="DELIMITER", default="--")
         self.eager = self._fetch_config(name="EAGER", default=False)
         self.tasks_url_name = self._fetch_config(name="URL_NAME", default="tasks-endpoint")
-        self.tasks_max_eta = self._fetch_config(name="MAXIMUM_ETA_TASK", default=60 * 60 * 24)  # 1 day
+        self.tasks_max_eta = self._fetch_config(name="MAXIMUM_ETA_TASK", default=None)
         self.subscribers_url_name = self._fetch_config(name="SUBSCRIBERS_URL_NAME", default="subscriptions-endpoint")
 
         self.subscribers_max_retries = self._fetch_config(name="SUBSCRIBER_MAX_RETRIES", default=None)

sample_project/sample_app/tests/tests_tasks/tests_tasks.py

@@ -228,10 +228,13 @@ def test_task_later_delay_exceeds_maximum_eta(self):
         task_kwargs = dict(price=30, quantity=4, discount=0.2)
         excessive_delay = int(60 * 60 * 24 * 2)  # 2 days
 
-        with self.assertRaises(ValueError) as context:
+        max_eta_task = 60 * 60 * 24  # 1 day
+        with (
+            patch("django_cloud_tasks.tasks.task.get_config", return_value=max_eta_task),
+            self.assertRaises(ValueError) as context,
+        ):
             tasks.CalculatePriceTask.later(eta=excessive_delay, task_kwargs=task_kwargs)
 
-        max_eta_task = get_config("tasks_max_eta")
         self.assertEqual(f"Invalid delay time {excessive_delay}, maximum is {max_eta_task}", str(context.exception))
 
     def test_singleton_client_on_task(self):