Replace asynctest with unittest.mock.AsyncMock (enable tests on Python 3.11+)

.github/workflows/test.yml

@@ -6,14 +6,12 @@ on:
   pull_request:
 
 jobs:
-  # Full test suite. asynctest does not work on Python 3.11+
-  # (asyncio.coroutine was removed), so tests run on 3.8-3.10 only.
   test:
     runs-on: ubuntu-24.04
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
@@ -22,24 +20,6 @@ jobs:
       - name: Install package and test dependencies
         run: |
           pip install .
-          pip install asynctest pytest pytest-mock pyyaml jsonschema
+          pip install pytest pytest-mock pyyaml jsonschema
       - name: Run tests
         run: pytest -vv
-
-  # Import smoke test on newer Pythons where the test suite cannot run.
-  import-check:
-    runs-on: ubuntu-24.04
-    strategy:
-      fail-fast: false
-      matrix:
-        python-version: ["3.11", "3.12", "3.13"]
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
-        with:
-          python-version: ${{ matrix.python-version }}
-      - name: Install package
-        run: pip install .
-      - name: Import check
-        working-directory: ${{ runner.temp }}
-        run: python -c "from obniz import Obniz; print('import OK')"

Pipfile

@@ -18,7 +18,6 @@ attrdict3 = "==2.0.2"
 semver = "==2.8.1"
 
 [dev-packages]
-asynctest = "*"
 # "black" requires python 3.6+
 # so if it exists in Pipfile, `pipenv insttall` must fail on Travis CI python 3.5
 # please install by your self via `pipenv run pip install black`

tests/utils.py

@@ -1,7 +1,7 @@
 import asyncio
 import json
+from unittest.mock import AsyncMock
 
-import asynctest
 import pytest
 import websockets
 
@@ -27,7 +27,7 @@ def setup_obniz(mocker):
 
     stub = mocker.MagicMock(buffered_amount=0)
     # stub.on = mocker.stub()
-    stub.send = asynctest.CoroutineMock()
+    stub.send = AsyncMock()
     # stub.close = mocker.stub()
     # stub.removeAllListeners = mocker.stub()
 

tox.ini

@@ -3,17 +3,13 @@
 # test suite on all supported python versions. To use it, "pip install tox"
 # and then run "tox" from this directory.
 
-# Note: the test suite depends on asynctest, which does not work on
-# Python 3.11+ (asyncio.coroutine was removed). Runtime supports 3.8+,
-# but tests can only run on 3.8-3.10 until asynctest is replaced.
 [tox]
-envlist = py38, py39, py310
+envlist = py38, py39, py310, py311, py312, py313
 
 [testenv]
 deps =
     pytest
     pytest-mock
-    asynctest
     pyyaml
     jsonschema
 commands =