view tests/test-atomictempfile.py @ 15040:a494b54b6ed3 stable

win32: msvcr71.dll should be used for python 2.4 and 2.5 Following is list of C-Runtime for versions of CPython on windows: - python 2.4.5 => MSVCR71.dll - python 2.5.4 => MSVCR71.dll - python 2.6.6 => MSVCR90.dll - python 2.7 => MSVCR90.dll - python 3.1.2 => MSVCR90.dll
author Shun-ichi GOTO <shunichi.goto@gmail.com>
date Mon, 08 Aug 2011 14:32:27 +0900
parents d764463b433e
children 774da7121fc9
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import os
import glob
from mercurial.util import atomictempfile

# basic usage
def test1_simple():
    if os.path.exists('foo'):
        os.remove('foo')
    file = atomictempfile('foo')
    (dir, basename) = os.path.split(file._tempname)
    assert not os.path.isfile('foo')
    assert basename in glob.glob('.foo-*')

    file.write('argh\n')
    file.rename()

    assert os.path.isfile('foo')
    assert basename not in glob.glob('.foo-*')
    print 'OK'

# close() removes the temp file but does not make the write
# permanent -- essentially discards your work (WTF?!)
def test2_close():
    if os.path.exists('foo'):
        os.remove('foo')
    file = atomictempfile('foo')
    (dir, basename) = os.path.split(file._tempname)

    file.write('yo\n')
    file.close()

    assert not os.path.isfile('foo')
    assert basename not in os.listdir('.')
    print 'OK'

# if a programmer screws up and passes bad args to atomictempfile, they
# get a plain ordinary TypeError, not infinite recursion
def test3_oops():
    try:
        file = atomictempfile()
    except TypeError:
        print "OK"
    else:
        print "expected TypeError"

if __name__ == '__main__':
    test1_simple()
    test2_close()
    test3_oops()