tests/test-atomictempfile.py
author Kevin Bullock <kbullock@ringworld.org>
Sun, 27 Jan 2013 14:24:37 -0600
branchstable
changeset 18495 8260fa9f30b9
parent 15057 774da7121fc9
child 18666 fb9d1c2805ff
permissions -rw-r--r--
bookmarks: don't use bookmarks.listbookmarks in local computations bookmarks.listbookmarks is for wire-protocol use. The normal way to get all the bookmarks on a local repository is repo._bookmarks.
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import os
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import glob
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from mercurial.util import atomictempfile
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# basic usage
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def test1_simple():
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    if os.path.exists('foo'):
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        os.remove('foo')
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    file = atomictempfile('foo')
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    (dir, basename) = os.path.split(file._tempname)
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    assert not os.path.isfile('foo')
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    assert basename in glob.glob('.foo-*')
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    file.write('argh\n')
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    file.close()
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    assert os.path.isfile('foo')
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    assert basename not in glob.glob('.foo-*')
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    print 'OK'
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# discard() removes the temp file without making the write permanent
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def test2_discard():
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    if os.path.exists('foo'):
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        os.remove('foo')
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    file = atomictempfile('foo')
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    (dir, basename) = os.path.split(file._tempname)
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    file.write('yo\n')
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    file.discard()
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    assert not os.path.isfile('foo')
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    assert basename not in os.listdir('.')
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    print 'OK'
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# if a programmer screws up and passes bad args to atomictempfile, they
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# get a plain ordinary TypeError, not infinite recursion
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def test3_oops():
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    try:
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        file = atomictempfile()
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    except TypeError:
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        print "OK"
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    else:
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        print "expected TypeError"
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if __name__ == '__main__':
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    test1_simple()
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    test2_discard()
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    test3_oops()