lbry-sdk/torba/tests/client_tests/unit/test_stream_controller.py
2019-12-11 22:48:39 -05:00

31 lines
927 B
Python

import asyncio
import unittest
from torba.stream import StreamController
from torba.tasks import TaskGroup
from torba.testcase import AsyncioTestCase
class StreamControllerTestCase(AsyncioTestCase):
def test_non_unique_events(self):
events = []
controller = StreamController()
controller.stream.listen(on_data=events.append)
controller.add("yo")
controller.add("yo")
self.assertListEqual(events, ["yo", "yo"])
def test_unique_events(self):
events = []
controller = StreamController(merge_repeated_events=True)
controller.stream.listen(on_data=events.append)
controller.add("yo")
controller.add("yo")
self.assertListEqual(events, ["yo"])
class TaskGroupTestCase(unittest.TestCase):
def test_cancel_sets_it_done(self):
group = TaskGroup()
group.cancel()
self.assertTrue(group.done.is_set())