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-rw-r--r--Lib/test/test_cmd_line.py26
-rw-r--r--Lib/test/test_sys.py2
2 files changed, 27 insertions, 1 deletions
diff --git a/Lib/test/test_cmd_line.py b/Lib/test/test_cmd_line.py
index 3fa8ade..efe4546 100644
--- a/Lib/test/test_cmd_line.py
+++ b/Lib/test/test_cmd_line.py
@@ -4,6 +4,7 @@
import test.support, unittest
import os
+import shutil
import sys
import subprocess
import tempfile
@@ -439,6 +440,31 @@ class CmdLineTest(unittest.TestCase):
self.assertEqual(b'', out)
+ def test_isolatedmode(self):
+ self.verify_valid_flag('-I')
+ self.verify_valid_flag('-IEs')
+ rc, out, err = assert_python_ok('-I', '-c',
+ 'from sys import flags as f; '
+ 'print(f.no_user_site, f.ignore_environment, f.isolated)',
+ # dummyvar to prevent extranous -E
+ dummyvar="")
+ self.assertEqual(out.strip(), b'1 1 1')
+ with test.support.temp_cwd() as tmpdir:
+ fake = os.path.join(tmpdir, "uuid.py")
+ main = os.path.join(tmpdir, "main.py")
+ with open(fake, "w") as f:
+ f.write("raise RuntimeError('isolated mode test')\n")
+ with open(main, "w") as f:
+ f.write("import uuid\n")
+ f.write("print('ok')\n")
+ self.assertRaises(subprocess.CalledProcessError,
+ subprocess.check_output,
+ [sys.executable, main], cwd=tmpdir,
+ stderr=subprocess.DEVNULL)
+ out = subprocess.check_output([sys.executable, "-I", main],
+ cwd=tmpdir)
+ self.assertEqual(out.strip(), b"ok")
+
def test_main():
test.support.run_unittest(CmdLineTest)
test.support.reap_children()
diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index e31bbc2..65cb8ef 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -515,7 +515,7 @@ class SysModuleTest(unittest.TestCase):
attrs = ("debug",
"inspect", "interactive", "optimize", "dont_write_bytecode",
"no_user_site", "no_site", "ignore_environment", "verbose",
- "bytes_warning", "quiet", "hash_randomization")
+ "bytes_warning", "quiet", "hash_randomization", "isolated")
for attr in attrs:
self.assertTrue(hasattr(sys.flags, attr), attr)
self.assertEqual(type(getattr(sys.flags, attr)), int, attr)