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gh-131178: Add tests for site command-line interface #137807

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gh-131178: Add tests for site command-line interface #137807

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49 changes: 49 additions & 0 deletions Lib/test/test_site.py
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Original file line number Diff line number Diff line change
Expand Up @@ -802,6 +802,55 @@ def test_underpth_dll_file(self):
)], env=env)
self.assertTrue(rc, "sys.path is incorrect")

class TestSiteCLI(unittest.TestCase):
"""Tests for the site module command-line interface."""

@support.requires_subprocess()
def test_cli_no_args(self):
"""Test 'python -m site' with no arguments."""
output = subprocess.check_output([sys.executable, '-m', 'site'],
text=True, stderr=subprocess.STDOUT)
self.assertIn('sys.path', output)
self.assertIn('USER_BASE:', output)
self.assertIn('USER_SITE:', output)
self.assertIn('ENABLE_USER_SITE:', output)

@support.requires_subprocess()
def test_cli_user_site(self):
"""Test 'python -m site --user-site'."""
output = subprocess.check_output([sys.executable, '-m', 'site', '--user-site'],
text=True, stderr=subprocess.STDOUT)
self.assertIn('site-packages', output.strip())
self.assertNotIn('sys.path', output)

@support.requires_subprocess()
def test_cli_user_base(self):
"""Test 'python -m site --user-base'."""
output = subprocess.check_output([sys.executable, '-m', 'site', '--user-base'],
text=True, stderr=subprocess.STDOUT)
self.assertNotIn('site-packages', output)
self.assertNotIn('sys.path', output)
self.assertTrue(len(output.strip()) > 0)

@support.requires_subprocess()
def test_cli_user_base_and_user_site(self):
"""Test 'python -m site --user-base --user-site'."""
output = subprocess.check_output([sys.executable, '-m', 'site', '--user-base', '--user-site'],
text=True, stderr=subprocess.STDOUT)
lines = output.strip().split('\n')
self.assertEqual(len(lines), 1)
paths = lines[0].split(':')
self.assertEqual(len(paths), 2)
self.assertNotIn('site-packages', paths[0])
self.assertIn('site-packages', paths[1])

@support.requires_subprocess()
def test_cli_invalid_option(self):
"""Test 'python -m site' with invalid option."""
with self.assertRaises(subprocess.CalledProcessError) as cm:
subprocess.check_output([sys.executable, '-m', 'site', '--invalid'],
text=True, stderr=subprocess.STDOUT)
self.assertNotEqual(cm.exception.returncode, 0)

if __name__ == "__main__":
unittest.main()
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