Regression exceptions for cygwin

[gswagere]

BPO	551977
Nosy	@tim-one, @loewis
Files	regrtest.py.patch regrtest.py.diff regrtest.py.diff: skip test_ossaudiodev patch

^{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:

assignee = None
closed_at = <Date 2003-02-05.16:52:34.000>
created_at = <Date 2002-05-03.19:19:43.000>
labels = ['tests']
title = 'Regression exceptions for cygwin'
updated_at = <Date 2003-02-05.16:52:34.000>
user = 'https://bugs.python.org/gswagere'

bugs.python.org fields:

activity = <Date 2003-02-05.16:52:34.000>
actor = 'jlt63'
assignee = 'jlt63'
closed = True
closed_date = None
closer = None
components = ['Tests']
creation = <Date 2002-05-03.19:19:43.000>
creator = 'gsw_agere'
dependencies = []
files = ['4226', '4227', '4228']
hgrepos = []
issue_num = 551977
keywords = ['patch']
message_count = 14.0
messages = ['39842', '39843', '39844', '39845', '39846', '39847', '39848', '39849', '39850', '39851', '39852', '39853', '39854', '39855']
nosy_count = 5.0
nosy_names = ['tim.peters', 'loewis', 'nnorwitz', 'jlt63', 'gsw_agere']
pr_nums = []
priority = 'normal'
resolution = 'accepted'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue551977'
versions = ['Python 2.3']

[gswagere]

This patch updates regrtest.py to understand which
tests are normally skipped under Cygwin. The list of
tests was verified with the Cygwin Python maintainer.

[loewis]

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I'd like to hear the rationale for skipping

test_email_codecs
test_largefile
test_locale
test_unicode_file
test_winreg

All of those *should* work just fine; if they don't, this
indicates a bug in this port.

[gswagere]

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test_email_codecs is skipped unless the optional Japanese
codecs are installed (this is also in the exceptions list
for win32 and linux2).

Cygwin does not currently support large files, locales, or
unicode file system semantics (test_unicode_file is also in
the exceptions list for all but win32, test_locale is in
most of them, and test_largefile is in *all* of them).

test_winreg is a stickier one. This is clearly specific to
Windows, and the goal of Cygwin is to present a UNIX-like
interface, not a Windows-like interface. There are patches
that will enable this support under Cygwin Python, although
they pull in quite a bit of the Windows-specific code and
would create maintenance issues for Python's codebase. At
present this is considered unsupported in Cygwin Python.

There are three additional tests that are in all or almost
all of the exception lists:
test_curses
test_socket_ssl
test_socketserver

These are disabled unless "-u" is used to specifically
enable them. It appears that these should also be added to
the list.

[loewis]

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I'm quite unhappy with the entire _expectations mechanism.
E.g. the fact that test_email_codecs is skipped has
*nothing* to do with the distribution being build on
Windows, or with Cygwin; I'd rather see the expected fails
to take into account available resources (e.g. absence of
the Japanese codecs is a good reason for skipping the tests).

[loewis]

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Jason, can you take a look and apply the patch if it looks ok?

It appears that the official policy is that all tests
that "normally" can't run should be listed as expected skips.

[jlt63]

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OK to check in the slightly different, attached patch?

The differences between Jerry's and mine are the following:

1. added the following as suggested by Jerry:

test_curses
test_socket_ssl
test_socketserver

2. removed test_bsddb because it is supported now

[loewis]

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Sure. Go ahead!

[jlt63]

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Checked in as Lib/test/regrtest.py 1.111.

[jlt63]

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I just updated from CVS and noticed that I missed
test_bsddb3. Can I add it as an expected skip (like
test_curses)?

[tim-one]

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I added test_bsddb3 to the cygwin skip list, so you don't have
to.

[jlt63]

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Thanks Tim!

[jlt63]

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OK, to apply the skip test_ossaudiodev patch?

[nnorwitz]

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Yes.

[jlt63]

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Checked in as Lib/test/regrtest.py 1.123.