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#!/usr/bin/python
#
# Copyright (C) 2010 Julian Andres Klode <jak@debian.org>
#
# Copying and distribution of this file, with or without modification,
# are permitted in any medium without royalty provided the copyright
# notice and this notice are preserved.
"""Unit tests for verifying the correctness of check_dep, etc in apt_pkg."""
import unittest
import apt
class TestAptCache(unittest.TestCase):
""" test the apt cache """
def testAptCache(self):
"""cache: iterate all packages and all dependencies """
cache = apt.Cache()
# number is not meaningful and just need to be "big enough",
# the important bit is the test against __len__
self.assertTrue(len(cache) > 100)
# go over the cache and all dependencies, just to see if
# that is possible and does not crash
for pkg in cache:
if pkg.candidate:
for or_dep in pkg.candidate.dependencies:
for dep in or_dep.or_dependencies:
self.assertTrue(dep.name)
self.assertTrue(isinstance(dep.relation, str))
self.assertTrue(dep.pre_depend in (True, False))
# accessing record should take a reasonable time; in
# particular, when using compressed indexes, it should not use
# tons of seek operations
r = pkg.candidate.record
self.assertEqual(r['Package'], pkg.name)
self.assert_('Version' in r)
self.assert_(len(r['Description']) > 0)
self.assert_(str(r).startswith('Package: %s\n' % pkg.name))
if __name__ == "__main__":
unittest.main()
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