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Prevent "I/O operation on closed file" errors in Click tests #67

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oprypin merged 1 commit into from
Mar 29, 2026
Merged

Prevent "I/O operation on closed file" errors in Click tests #67

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7 changes: 7 additions & 0 deletions properdocs/tests/cli_tests.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
#!/usr/bin/env python

import gc
import io
import logging
import unittest
Expand All @@ -14,6 +15,12 @@ class CLITests(unittest.TestCase):
def setUp(self):
self.runner = CliRunner()

def tearDown(self):
super().tearDown()
# Cleanup of CliRunner, if done non-deterministically, can mess up tests that follow after.
del self.runner
gc.collect()

@mock.patch('properdocs.commands.serve.serve', autospec=True)
def test_serve_default(self, mock_serve):
result = self.runner.invoke(cli.cli, ["serve"], catch_exceptions=False)
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