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import os
import subprocess
import sys
import unittest
from test import support
from test.test_tools import import_tool, scriptsdir
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):
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)
self.assertEqual(proc.returncode, 0, 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")', ''])
shebang = lines[0]
return 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',
)
if __name__ == '__main__':
unittest.main()
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