Digital Drosophila Archive
39 lines
1.7 KiB
Python
39 lines
1.7 KiB
Python
"""Regression for an execution-path error, unrelated to brain dynamics."""
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from pathlib import Path
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from unittest import TestCase,main,mock,skipIf
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import os
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import sys
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import tempfile
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from oracle_apl import _python_entry
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class PythonEntryTests(TestCase):
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@skipIf(os.name=='nt','Real POSIX interpreter symlink is validated on the task server')
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def test_real_symlink_remains_invocation_path(self):
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with tempfile.TemporaryDirectory(prefix='phase4ag-entry-') as folder:
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path=Path(folder)/'python'
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path.symlink_to(sys.executable)
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self.assertEqual(_python_entry(path),path)
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self.assertNotEqual(_python_entry(path),path.resolve())
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@skipIf(os.name=='nt','POSIX dangling symlink test is validated on the task server')
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def test_real_dangling_link_and_directory_rejected(self):
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with tempfile.TemporaryDirectory(prefix='phase4ag-entry-') as folder:
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path=Path(folder)/'python'
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path.symlink_to(Path(folder)/'absent')
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with self.assertRaises(ValueError):_python_entry(path)
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with self.assertRaises(ValueError):_python_entry(Path(folder))
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def test_preserves_declared_venv_path_without_resolving_symlink(self):
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entry=Path.cwd()/'.fixture-venv/bin/python'
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with mock.patch.object(Path,'resolve',side_effect=AssertionError('Must not resolve interpreter symlink')):
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with mock.patch.object(Path,'is_file',return_value=True):
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self.assertEqual(_python_entry(entry),entry)
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def test_missing_python_entry_is_rejected(self):
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with mock.patch.object(Path,'is_file',return_value=False):
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with self.assertRaises(ValueError):_python_entry('/missing/python')
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if __name__=='__main__':main()
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