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#!/usr/bin/python3
import unittest
import apt_pkg
import testcommon
import apt.progress.base
class TestCache(testcommon.TestCase):
"""Test invocation of apt_pkg.Cache()"""
def test_wrong_invocation(self):
"""cache_invocation: Test wrong invocation."""
apt_cache = apt_pkg.Cache(progress=None)
self.assertRaises(ValueError, apt_pkg.Cache, apt_cache)
self.assertRaises(
ValueError, apt_pkg.Cache, apt.progress.base.AcquireProgress()
)
self.assertRaises(ValueError, apt_pkg.Cache, 0)
def test_proper_invocation(self):
"""cache_invocation: Test correct invocation."""
apt_cache = apt_pkg.Cache(progress=None)
apt_depcache = apt_pkg.DepCache(apt_cache)
self.assertNotEqual(apt_depcache, None)
if __name__ == "__main__":
unittest.main()
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