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| -rw-r--r-- | distutils/tests/test_msvccompiler.py | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/distutils/tests/test_msvccompiler.py b/distutils/tests/test_msvccompiler.py index b518d6a7..f4bb5162 100644 --- a/distutils/tests/test_msvccompiler.py +++ b/distutils/tests/test_msvccompiler.py @@ -2,6 +2,7 @@ import sys import unittest import os +import threading from distutils.errors import DistutilsPlatformError from distutils.tests import support @@ -74,6 +75,28 @@ class msvccompilerTestCase(support.TempdirManager, else: raise unittest.SkipTest("VS 2015 is not installed") + +class TestSpawn(unittest.TestCase): + def test_concurrent_safe(self): + """ + Concurrent calls to spawn should have consistent results. + """ + import distutils._msvccompiler as _msvccompiler + compiler = _msvccompiler.MSVCCompiler() + compiler._paths = "expected" + inner_cmd = 'import os; assert os.environ["PATH"] == "expected"' + command = ['python', '-c', inner_cmd] + + threads = [ + threading.Thread(target=compiler.spawn, args=[command]) + for n in range(100) + ] + for thread in threads: + thread.start() + for thread in threads: + thread.join() + + def test_suite(): return unittest.makeSuite(msvccompilerTestCase) |