[Windows] Tests failing on installed Python 3.7a1 on Windows

[vstinner]

BPO	31606
Nosy	@pfmoore, @vstinner, @tjguk, @zware, @serhiy-storchaka, @zooba

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields: ```python assignee = None closed_at = created_at = labels = ['3.7', 'tests', 'OS-windows'] title = '[Windows] Tests failing on installed Python 3.7a1 on Windows' updated_at = user = 'https://github.com/vstinner' ``` bugs.python.org fields: ```python activity = actor = 'vstinner' assignee = 'none' closed = True closed_date = closer = 'vstinner' components = ['Tests', 'Windows'] creation = creator = 'vstinner' dependencies = [] files = [] hgrepos = [] issue_num = 31606 keywords = [] message_count = 5.0 messages = ['303119', '303124', '303131', '315731', '315732'] nosy_count = 6.0 nosy_names = ['paul.moore', 'vstinner', 'tim.golden', 'zach.ware', 'serhiy.storchaka', 'steve.dower'] pr_nums = [] priority = 'normal' resolution = 'out of date' stage = 'resolved' status = 'closed' superseder = None type = None url = 'https://bugs.python.org/issue31606' versions = ['Python 3.7'] ```

[vstinner]

I installed Python 3.7a1 on Windows. The following tests fail: --- 372 tests OK.

5 tests failed: test_io test_largefile test_marshal test_regrtest test_tools

30 tests skipped: test_asdl_parser test_crypt test_curses test_dbm_gnu test_dbm_ndbm test_devpoll test_epoll test_fcntl test_fork1 test_gdb test_grp test_ioctl test_kqueue test_nis test_openpty test_ossaudiodev test_pipes test_poll test_posix test_pty test_pwd test_readline test_resource test_spwd test_syslog test_threadsignals test_wait3 test_wait4 test_xxtestfuzz test_zipfile64

Total duration: 4 min 18 sec Tests result: FAILURE ---

test_regrtest: "ERROR: test_pcbuild_rt (test.test_regrtest.ProgramsTestCase)" because the tested script is not installed.

C:\Users\haypo\AppData\Local\Programs\Python\Python37>python -m test -v -u all test_largefile

\====================================================================== ERROR: test_truncate (test.test_largefile.PyLargeFileTest) ----------------------------------------------------------------------

Traceback (most recent call last):
  File "C:\Users\haypo\AppData\Local\Programs\Python\Python37\lib\test\test_largefile.py", line 37, in setUp
    f.flush()
  File "C:\Users\haypo\AppData\Local\Programs\Python\Python37\lib\_pyio.py", line 1226, in flush
    self._flush_unlocked()
  File "C:\Users\haypo\AppData\Local\Programs\Python\Python37\lib\_pyio.py", line 1233, in _flush_unlocked
    n = self.raw.write(self._write_buf)
  File "C:\Users\haypo\AppData\Local\Programs\Python\Python37\lib\_pyio.py", line 1630, in write
    return os.write(self._fd, b)
OSError: [Errno 28] No space left on device

(other tests fail with similar message)

I have a single 40 GB disk with 1.36 GB free.

C:\Users\haypo\AppData\Local\Programs\Python\Python37>python -m test -v test_marshal == CPython 3.7.0a1 (v3.7.0a1:8f51bb4, Sep 19 2017, 19:32:44) [MSC v.1900 64 bit (AMD64)] == Windows-8.1-6.3.9600-SP0 little-endian == cwd: C:\Users\haypo\AppData\Local\Temp\test_python_4124 == CPU count: 4 == encodings: locale=cp1252, FS=utf-8 Run tests sequentially 0:00:00 [1/1] test_marshal test_array (test.test_marshal.BufferTestCase) ... ok (...) test_large_marshal (test.test_marshal.BugsTestCase) ... ok test_loads_2x_code (test.test_marshal.BugsTestCase) ... Windows fatal exception: stack overflow

Current thread 0x00001528 (most recent call first): File "C:\Users\haypo\AppData\Local\Programs\Python\Python37\lib\unittest\case. py", line 178 in handle File "C:\Users\haypo\AppData\Local\Programs\Python\Python37\lib\unittest\case. py", line 743 in assertRaises File "C:\Users\haypo\AppData\Local\Programs\Python\Python37\lib\test\test_mars hal.py", line 192 in test_loads_2x_code (...) File "C:\Users\haypo\AppData\Local\Programs\Python\Python37\lib\runpy.py", lin e 193 in _run_module_as_main

test_tools:

\====================================================================== ERROR: test_sundry (test.test_tools.test_sundry.TestSundryScripts) ----------------------------------------------------------------------

Traceback (most recent call last):
  File "C:\Users\haypo\AppData\Local\Programs\Python\Python37\lib\test\test_tool
s\test_sundry.py", line 36, in test_sundry
    import_tool(name)
  File "C:\Users\haypo\AppData\Local\Programs\Python\Python37\lib\test\test_tool
s\__init__.py", line 21, in import_tool
    return importlib.import_module(toolname)
  File "C:\Users\haypo\AppData\Local\Programs\Python\Python37\lib\importlib\__in
it__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 994, in _gcd_import
  File "<frozen importlib._bootstrap>", line 971, in _find_and_load
  File "<frozen importlib._bootstrap>", line 955, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 665, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 679, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "C:\Users\haypo\AppData\Local\Programs\Python\Python37\Tools\scripts\2to3
.py", line 5, in <module>
    sys.exit(main("lib2to3.fixes"))
SystemExit: 1

---

Ran 59 tests in 3.094s

FAILED (errors=1) Warning -- logging._handlerList was modified by test_tools Before: (28425746248, [\<weakref at 0x000000069E5AE9A8; to '_StderrHandler' at 0x000000069E5A7BE0>, \<weakref at 0x000000069EB19408; to 'StreamHandler' at 0x000 000069EBC8F98>], [\<weakref at 0x000000069E5AE9A8; to '_StderrHandler' at 0x00000 0069E5A7BE0>]) After: (28425746248, [\<weakref at 0x000000069E5AE9A8; to '_StderrHandler' at 0x000000069E5A7BE0>, \<weakref at 0x000000069EB19408; to 'StreamHandler' at 0x000 000069EBC8F98>], [\<weakref at 0x000000069E5AE9A8; to '_StderrHandler' at 0x00000 0069E5A7BE0>, \<weakref at 0x000000069EB19408; to 'StreamHandler' at 0x000000069E BC8F98>]) test test_tools failed test_tools failed

test_io:

\====================================================================== ERROR: test_large_file_ops (test.test_io.CIOTest) ----------------------------------------------------------------------

Traceback (most recent call last):
  File "C:\Users\haypo\AppData\Local\Programs\Python\Python37\lib\test\test_io.p
y", line 574, in test_large_file_ops
    self.large_file_ops(f)
  File "C:\Users\haypo\AppData\Local\Programs\Python\Python37\lib\test\test_io.p
y", line 355, in large_file_ops
    self.assertEqual(f.write(b"xxx"), 3)
OSError: [Errno 28] No space left on device

====================================================================== ERROR: test_large_file_ops (test.test_io.PyIOTest) ----------------------------------------------------------------------

Traceback (most recent call last):
  File "C:\Users\haypo\AppData\Local\Programs\Python\Python37\lib\test\test_io.p
y", line 574, in test_large_file_ops
    self.large_file_ops(f)
  File "C:\Users\haypo\AppData\Local\Programs\Python\Python37\lib\test\test_io.p
y", line 355, in large_file_ops
    self.assertEqual(f.write(b"xxx"), 3)
  File "C:\Users\haypo\AppData\Local\Programs\Python\Python37\lib\_pyio.py", lin
e 1630, in write
    return os.write(self._fd, b)
OSError: [Errno 28] No space left on device

[serhiy-storchaka]

Try to run these tests with -u all,-largefile.

[vstinner]

I created bpo-31611 "Tests failures using -u largefile when the disk is full" for failures caused by my low free disk space.

[vstinner]

test_regrtest: "ERROR: test_pcbuild_rt (test.test_regrtest.ProgramsTestCase)" because the tested script is not installed.

I created bpo-33352 for this one.

[vstinner]

I tested Python 3.7 beta 3: test_marshal crashed and test_tools fails when running with python -m test -j2, but it seems like these two issues were already fixed in the 3.7 development branch.

I close this issue.