Mercurial > hg
view tests/test-atomictempfile.py @ 25005:5ddbb024c2e9
tests: fix hidden repeatability problem with age filter test
This test was corrupting later cases in mysterious ways because the
hash of the changeset was changing every day at midnight. This made it
hard to figure out why tests were consistently breaking after they
were consistently working.
author | Matt Mackall <mpm@selenic.com> |
---|---|
date | Tue, 12 May 2015 12:33:42 -0500 |
parents | fb9d1c2805ff |
children | f00f1de16454 |
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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__)