Expand test coverage in shutil

[ev]

BPO	11560
Nosy	@ncoghlan, @tarekziade
Files	increase_test_shutil_coverage.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 = 'https://github.com/ncoghlan'
closed_at = <Date 2011-03-16.18:01:15.276>
created_at = <Date 2011-03-15.21:31:48.635>
labels = ['tests']
title = 'Expand test coverage in shutil'
updated_at = <Date 2011-03-16.18:01:15.274>
user = 'https://bugs.python.org/ev'

bugs.python.org fields:

activity = <Date 2011-03-16.18:01:15.274>
actor = 'python-dev'
assignee = 'ncoghlan'
closed = True
closed_date = <Date 2011-03-16.18:01:15.276>
closer = 'python-dev'
components = ['Tests']
creation = <Date 2011-03-15.21:31:48.635>
creator = 'ev'
dependencies = []
files = ['21229']
hgrepos = []
issue_num = 11560
keywords = ['patch']
message_count = 2.0
messages = ['131041', '131152']
nosy_count = 4.0
nosy_names = ['ncoghlan', 'tarek', 'python-dev', 'ev']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue11560'
versions = []

[ev]

The attached patch increases the coverage in shutil. It makes the following changes:

• Tests the code paths for file and directory copies across filesystems by mocking out rename.
• Adds a test for shutil.copy.
• Adds a test for shutil.copy2.
• Tests shutil.unpack_archive with the format specified.
• Tests the code path for creating the target directory in _make_tarball.

I have tested this on Ubuntu natty and OSX 10.6.6. Note that this will fail until http://bugs.python.org/issue11548 is applied.

[python-dev]

New changeset b313b05221a9 by Nick Coghlan in branch '3.2':
Close bpo-11560: Improve test coverage of shutil
http://hg.python.org/cpython/rev/b313b05221a9

New changeset 5b61334bb776 by Nick Coghlan in branch 'default':
Merge fix for bpo-11560 from 3.2
http://hg.python.org/cpython/rev/5b61334bb776