cpython/Lib/test/test_tools/test_pathfix.py

108 lines
3.5 KiB
Python

import os
import subprocess
import sys
import unittest
from test import support
from test.test_tools import import_tool, scriptsdir, skip_if_missing
# need Tools/script/ directory: skip if run on Python installed on the system
skip_if_missing()
class TestPathfixFunctional(unittest.TestCase):
script = os.path.join(scriptsdir, 'pathfix.py')
def setUp(self):
self.temp_file = support.TESTFN
self.addCleanup(support.unlink, support.TESTFN)
def pathfix(self, shebang, pathfix_flags, exitcode=0, stdout='', stderr=''):
with open(self.temp_file, 'w', encoding='utf8') as f:
f.write(f'{shebang}\n' + 'print("Hello world")\n')
proc = subprocess.run(
[sys.executable, self.script,
*pathfix_flags, '-n', self.temp_file],
capture_output=True, text=1)
if stdout == '' and proc.returncode == 0:
stdout = f'{self.temp_file}: updating\n'
self.assertEqual(proc.returncode, exitcode, proc)
self.assertEqual(proc.stdout, stdout, proc)
self.assertEqual(proc.stderr, stderr, proc)
with open(self.temp_file, 'r', encoding='utf8') as f:
output = f.read()
lines = output.split('\n')
self.assertEqual(lines[1:], ['print("Hello world")', ''])
new_shebang = lines[0]
if proc.returncode != 0:
self.assertEqual(shebang, new_shebang)
return new_shebang
def test_pathfix(self):
self.assertEqual(
self.pathfix(
'#! /usr/bin/env python',
['-i', '/usr/bin/python3']),
'#! /usr/bin/python3')
self.assertEqual(
self.pathfix(
'#! /usr/bin/env python -R',
['-i', '/usr/bin/python3']),
'#! /usr/bin/python3')
def test_pathfix_keeping_flags(self):
self.assertEqual(
self.pathfix(
'#! /usr/bin/env python -R',
['-i', '/usr/bin/python3', '-k']),
'#! /usr/bin/python3 -R')
self.assertEqual(
self.pathfix(
'#! /usr/bin/env python',
['-i', '/usr/bin/python3', '-k']),
'#! /usr/bin/python3')
def test_pathfix_adding_flag(self):
self.assertEqual(
self.pathfix(
'#! /usr/bin/env python',
['-i', '/usr/bin/python3', '-a', 's']),
'#! /usr/bin/python3 -s')
self.assertEqual(
self.pathfix(
'#! /usr/bin/env python -S',
['-i', '/usr/bin/python3', '-a', 's']),
'#! /usr/bin/python3 -s')
self.assertEqual(
self.pathfix(
'#! /usr/bin/env python -V',
['-i', '/usr/bin/python3', '-a', 'v', '-k']),
'#! /usr/bin/python3 -vV')
self.assertEqual(
self.pathfix(
'#! /usr/bin/env python',
['-i', '/usr/bin/python3', '-a', 'Rs']),
'#! /usr/bin/python3 -Rs')
self.assertEqual(
self.pathfix(
'#! /usr/bin/env python -W default',
['-i', '/usr/bin/python3', '-a', 's', '-k']),
'#! /usr/bin/python3 -sW default')
def test_pathfix_adding_errors(self):
self.pathfix(
'#! /usr/bin/env python -E',
['-i', '/usr/bin/python3', '-a', 'W default', '-k'],
exitcode=2,
stderr="-a option doesn't support whitespaces")
if __name__ == '__main__':
unittest.main()