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61 lines
2.8 KiB
Python
61 lines
2.8 KiB
Python
"""Run the real unit tests with external CI files and detect leaked writes."""
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import os
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import subprocess
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import sys
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import tempfile
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from pathlib import Path
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from unittest.mock import patch
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from ci_test_case import CI_COMMAND_FILES, IsolatedCITestCase
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class CIOutputIsolationTests(IsolatedCITestCase):
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def test_all_command_files_are_private_and_environment_is_restored(self):
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with tempfile.TemporaryDirectory() as scratch:
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external = {variable: str(Path(scratch) / variable) for variable in CI_COMMAND_FILES}
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for path in external.values():
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Path(path).write_text('external CI file\n')
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with patch.dict(os.environ, external):
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probe = IsolatedCITestCase()
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probe.setUp()
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private = []
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try:
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for variable in CI_COMMAND_FILES:
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self.assertNotEqual(os.environ[variable], external[variable])
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path = Path(os.environ[variable])
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private.append(path)
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path.write_text('test-only command\n')
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finally:
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probe.doCleanups()
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for variable in CI_COMMAND_FILES:
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self.assertEqual(os.environ[variable], external[variable])
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self.assertEqual(Path(external[variable]).read_text(), 'external CI file\n')
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self.assertTrue(all(not path.exists() for path in private))
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def test_unit_suite_preserves_external_ci_files(self):
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tests = Path(__file__).resolve().parent
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modules = sorted(p.stem for p in tests.glob('test_*.py') if p.name != Path(__file__).name)
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with tempfile.TemporaryDirectory() as scratch:
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environment = os.environ.copy()
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environment['PYTHONPATH'] = str(tests) + os.pathsep + environment.get('PYTHONPATH', '')
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expected = {}
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for variable in CI_COMMAND_FILES:
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path = Path(scratch) / variable
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content = f'external {variable}\n'
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path.write_text(content)
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environment[variable] = str(path)
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expected[path] = content
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result = subprocess.run( # noqa: S603 -- Run local test modules with the current Python interpreter.
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[sys.executable, '-m', 'unittest', *modules, '-q'],
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cwd=tests.parent,
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env=environment,
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capture_output=True,
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text=True,
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check=False,
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timeout=60,
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)
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self.assertEqual(result.returncode, 0, result.stdout + result.stderr)
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for path, content in expected.items():
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self.assertEqual(path.read_text(), content, f'Unit tests wrote to external {path.name}')
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