upstream/mercurial-mirror Files · tests/test-dirs.py

dirs: reject consecutive slashes in paths...

dirs: reject consecutive slashes in paths We shouldn't ever see those, and the fuzzer go really excited that if it gives us a 65k string with 55k slashes in it we use a lot of RAM. This is a better fix than what I tried in D7105. It was suggested by Yuya, and I verified it does in fact cause the fuzzer to not OOM. This is a revision of D7234, but with the missing set of an error added. I added a unit test of the dirs behavior because I needed to reason more carefully about the failure modes around consecutive slashes. Differential Revision: https://phab.mercurial-scm.org/D7252

Augie Fackler - - Load All Authors

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      from __future__ import absolute_import

      import unittest

      import silenttestrunner

      from mercurial import util

      class dirstests(unittest.TestCase):

          def testdirs(self):

              for case, want in [

                  (b'a/a/a', [b'a', b'a/a', b'']),

                  (b'alpha/beta/gamma', [b'', b'alpha', b'alpha/beta']),

              ]:

                  d = util.dirs({})

                  d.addpath(case)

                  self.assertEqual(sorted(d), sorted(want))

          def testinvalid(self):

              with self.assertRaises(ValueError):

                  d = util.dirs({})

                  d.addpath(b'a//b')

      if __name__ == '__main__':

          silenttestrunner.main(__name__)

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				from __future__ import absolute_import

				import unittest

				import silenttestrunner

				from mercurial import util


				class dirstests(unittest.TestCase):
				def testdirs(self):
				for case, want in [
				(b'a/a/a', [b'a', b'a/a', b'']),
				(b'alpha/beta/gamma', [b'', b'alpha', b'alpha/beta']),
				]:
				d = util.dirs({})
				d.addpath(case)
				self.assertEqual(sorted(d), sorted(want))

				def testinvalid(self):
				with self.assertRaises(ValueError):
				d = util.dirs({})
				d.addpath(b'a//b')


				if __name__ == '__main__':
				silenttestrunner.main(__name__)