lint tests

Lint with [refurb](https://github.com/dosisod/refurb) using `--disable 126 --python-version 3.9`

Also update bats to 1.8.2 and bats-assets to 2.1.0. No changes to the tests, all still passing.

pytest.ini

@@ -1,7 +1,7 @@
 [pytest]
+addopts = --strict-markers
 markers =
     online: tests require a connection to the internet
     reddit: tests require a connection to Reddit
     slow: test is slow to run
     authenticated: test requires an authenticated Reddit instance
-

tests/test_connector.py

@@ -47,7 +47,7 @@ def assert_all_results_are_submissions(result_limit: int, results: list[Iterator
 
 def assert_all_results_are_submissions_or_comments(result_limit: int, results: list[Iterator]) -> list:
     results = [sub for res in results for sub in res]
-    assert all([isinstance(res, praw.models.Submission) or isinstance(res, praw.models.Comment) for res in results])
+    assert all([isinstance(res, (praw.models.Submission, praw.models.Comment)) for res in results])
     assert not any([isinstance(m, MagicMock) for m in results])
     if result_limit is not None:
         assert len(results) == result_limit
@@ -259,7 +259,7 @@ def test_get_subreddit_search(
     assert all([res.subreddit.display_name in test_subreddits for res in results])
     assert len(results) <= max_expected_len
     if max_expected_len != 0:
-        assert len(results) > 0
+        assert results
     assert not any([isinstance(m, MagicMock) for m in results])
 
 
@@ -356,7 +356,7 @@ def test_get_subscribed_subreddits(downloader_mock: MagicMock, authenticated_red
     downloader_mock.sort_filter = RedditTypes.SortType.HOT
     results = RedditConnector.get_subreddits(downloader_mock)
     assert all([isinstance(s, praw.models.ListingGenerator) for s in results])
-    assert len(results) > 0
+    assert results
 
 
 @pytest.mark.parametrize(('test_name', 'expected'), (

tests/test_downloader.py

@@ -152,7 +152,7 @@ def test_download_submission_hash_exists(
     RedditDownloader._download_submission(downloader_mock, submission)
     folder_contents = list(tmp_path.iterdir())
     output = capsys.readouterr()
-    assert len(folder_contents) == 0
+    assert not folder_contents
     assert re.search(r'Resource hash .*? downloaded elsewhere', output.out)
 
 

tests/test_oauth2.py

@@ -66,6 +66,6 @@ def test_token_manager_write(example_config: configparser.ConfigParser, tmp_path
     test_manager = OAuth2TokenManager(example_config, test_path)
     test_manager.post_refresh_callback(mock_authoriser)
     assert example_config.get('DEFAULT', 'user_token') == 'changed_token'
-    with open(test_path, 'r') as file:
+    with test_path.open('r') as file:
         file_contents = file.read()
     assert 'user_token = changed_token' in file_contents