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bpo-40280: Block more non-working syscalls in Emscripten (GH-31757)

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- getgroups always fails.
- geteuid and getegid always return 0 (root), which confuse tarfile and
  tests.
- hardlinks (link, linkat) always fails.
- non-encodable file names are not supported by NODERAWFS layer.
- mark more tests with dependency on subprocess and multiprocessing.
  Mocking does not work if the module fails to import.
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Christian Heimes 2022-03-08 13:17:30 +02:00 • committed by GitHub
parent 36dd7396fc
commit 5081e78efd
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8 changed files with 37 additions and 10 deletions
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4
Lib/test/test_compileall.py
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@ -244,6 +244,7 @@ class CompileallTestsBase:
self.assertFalse(pool_mock.called)
self.assertTrue(compile_file_mock.called)
@skipUnless(_have_multiprocessing, "requires multiprocessing")
@mock.patch('concurrent.futures.ProcessPoolExecutor', new=None)
@mock.patch('compileall.compile_file')
def test_compile_missing_multiprocessing(self, compile_file_mock):
@ -296,6 +297,7 @@ class CompileallTestsBase:
"""Recursive compile_dir ddir= contains package paths; bpo39769."""
return self._test_ddir_only(ddir="<a prefix>", parallel=False)
@skipUnless(_have_multiprocessing, "requires multiprocessing")
def test_ddir_multiple_workers(self):
"""Recursive compile_dir ddir= contains package paths; bpo39769."""
return self._test_ddir_only(ddir="<a prefix>", parallel=True)
@ -304,6 +306,7 @@ class CompileallTestsBase:
"""Recursive compile_dir ddir='' contains package paths; bpo39769."""
return self._test_ddir_only(ddir="", parallel=False)
@skipUnless(_have_multiprocessing, "requires multiprocessing")
def test_ddir_empty_multiple_workers(self):
"""Recursive compile_dir ddir='' contains package paths; bpo39769."""
return self._test_ddir_only(ddir="", parallel=True)
@ -924,6 +927,7 @@ class CommandLineTestsNoSourceEpoch(CommandLineTestsBase,
@unittest.skipUnless(hasattr(os, 'link'), 'requires os.link')
class HardlinkDedupTestsBase:
# Test hardlink_dupes parameter of compileall.compile_dir()