#!/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))

if __name__ == "__main__":

unittest.main()