Mercurial > hg
view tests/test-atomictempfile.py @ 20610:34bb07e70c68
revset: added filter method to revset classes
This method will replace the creation of lazysets inside the revset methods.
Instead, the classes that handle lazy structures will create them based on
their current order.
author | Lucas Moscovicz <lmoscovicz@fb.com> |
---|---|
date | Thu, 06 Feb 2014 17:18:11 -0800 |
parents | fb9d1c2805ff |
children | f00f1de16454 |
line wrap: on
line source
import os import glob import unittest import silenttestrunner from mercurial.util import atomictempfile class testatomictempfile(unittest.TestCase): def test1_simple(self): if os.path.exists('foo'): os.remove('foo') file = atomictempfile('foo') (dir, basename) = os.path.split(file._tempname) self.assertFalse(os.path.isfile('foo')) self.assertTrue(basename in glob.glob('.foo-*')) file.write('argh\n') file.close() self.assertTrue(os.path.isfile('foo')) self.assertTrue(basename not in glob.glob('.foo-*')) # discard() removes the temp file without making the write permanent def test2_discard(self): if os.path.exists('foo'): os.remove('foo') file = atomictempfile('foo') (dir, basename) = os.path.split(file._tempname) file.write('yo\n') file.discard() self.assertFalse(os.path.isfile('foo')) self.assertTrue(basename not in os.listdir('.')) # if a programmer screws up and passes bad args to atomictempfile, they # get a plain ordinary TypeError, not infinite recursion def test3_oops(self): self.assertRaises(TypeError, atomictempfile) if __name__ == '__main__': silenttestrunner.main(__name__)