Mercurial > hg
view tests/test-atomictempfile.py @ 18428:8c10f760ca34
hgweb: walk the graph through the changelog
This is necessary to enforce filtering. The result is a bit buggy (may provide
less changeset than expected, but it will stop crashing on filtered revision
access.
Note that changelog.revs can not represents empty iteration like xrange did. So
we have to explicitly prevent call when there is nothing to do.
author | Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
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date | Wed, 16 Jan 2013 14:22:43 +0100 |
parents | 774da7121fc9 |
children | fb9d1c2805ff |
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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.close() assert os.path.isfile('foo') assert basename not in glob.glob('.foo-*') print 'OK' # discard() removes the temp file without making the write permanent def test2_discard(): if os.path.exists('foo'): os.remove('foo') file = atomictempfile('foo') (dir, basename) = os.path.split(file._tempname) file.write('yo\n') file.discard() 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_discard() test3_oops()