diff options
Diffstat (limited to 'tests/test_apt_cache.py')
| -rw-r--r-- | tests/test_apt_cache.py | 80 |
1 files changed, 60 insertions, 20 deletions
diff --git a/tests/test_apt_cache.py b/tests/test_apt_cache.py index aaa9f601..448aed75 100644 --- a/tests/test_apt_cache.py +++ b/tests/test_apt_cache.py @@ -19,6 +19,15 @@ import apt import apt_pkg import shutil import glob +import logging + +def if_sources_list_is_readable(f): + def wrapper(*args, **kwargs): + if os.access("/etc/apt/sources.list", os.R_OK): + f(*args, **kwargs) + else: + logging.warn("skipping '%s' because sources.list is not readable" % f) + return wrapper class TestAptCache(unittest.TestCase): """ test the apt cache """ @@ -26,8 +35,17 @@ class TestAptCache(unittest.TestCase): def setUp(self): # reset any config manipulations done in the individual tests apt_pkg.init_config() + # save/restore the apt config + self._cnf = {} + for item in apt_pkg.config.keys(): + self._cnf[item] = apt_pkg.config.find(item) - def testAptCache(self): + def tearDown(self): + for item in self._cnf: + apt_pkg.config.set(item, self._cnf[item]) + + @if_sources_list_is_readable + def test_apt_cache(self): """cache: iterate all packages and all dependencies """ cache = apt.Cache() # number is not meaningful and just need to be "big enough", @@ -37,8 +55,8 @@ class TestAptCache(unittest.TestCase): # 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: + for or_deps in pkg.candidate.dependencies: + for dep in or_deps: self.assertTrue(dep.name) self.assertTrue(isinstance(dep.relation, str)) self.assertTrue(dep.pre_depend in (True, False)) @@ -53,27 +71,30 @@ class TestAptCache(unittest.TestCase): self.assertTrue(str(r).startswith('Package: %s\n' % pkg.shortname)) def test_get_provided_packages(self): - cache = apt.Cache() + apt.apt_pkg.config.set("Apt::architecture", "i386") + cache = apt.Cache(rootdir="./data/test-provides/") + cache.open() + if len(cache) == 0: + logging.warn("skipping test_get_provided_packages, cache empty?!?") + return # a true virtual pkg l = cache.get_providing_packages("mail-transport-agent") self.assertTrue(len(l) > 0) self.assertTrue("postfix" in [p.name for p in l]) - # this is a not virtual (transitional) package provided by another - l = cache.get_providing_packages("git-core") - self.assertEqual(l, []) - # now inlcude nonvirtual packages in the search (rarian-compat - # provides scrollkeeper) - l = cache.get_providing_packages("git-core", - include_nonvirtual=True) - self.assertEqual([p.name for p in l], ["git"]) self.assertTrue("mail-transport-agent" in cache["postfix"].candidate.provides) def test_low_level_pkg_provides(self): + apt.apt_pkg.config.set("Apt::architecture", "i386") + # create highlevel cache and get the lowlevel one from it + highlevel_cache = apt.Cache(rootdir="./data/test-provides") + if len(highlevel_cache) == 0: + logging.warn("skipping test_log_level_pkg_provides, cache empty?!?") + return # low level cache provides list of the pkg - cache = apt_pkg.Cache(progress=None) + cache = highlevel_cache._cache l = cache["mail-transport-agent"].provides_list # arbitrary number, just needs to be higher enough - self.assertTrue(len(l), 5) + self.assertEqual(len(l), 2) for (providesname, providesver, version) in l: self.assertEqual(providesname, "mail-transport-agent") if version.parent_pkg.name == "postfix": @@ -81,10 +102,8 @@ class TestAptCache(unittest.TestCase): else: self.assertNotReached() - + @if_sources_list_is_readable def test_dpkg_journal_dirty(self): - # backup old value - old_status = apt_pkg.config.find_file("Dir::State::status") # create tmp env tmpdir = tempfile.mkdtemp() dpkg_dir = os.path.join(tmpdir,"var","lib","dpkg") @@ -101,9 +120,8 @@ class TestAptCache(unittest.TestCase): # that is a dirty journal open(os.path.join(dpkg_dir,"updates","000"), "w").close() self.assertTrue(cache.dpkg_journal_dirty) - # reset config value - apt_pkg.config.set("Dir::State::status", old_status) + @if_sources_list_is_readable def test_apt_update(self): rootdir = "./data/tmp" if os.path.exists(rootdir): @@ -114,11 +132,14 @@ class TestAptCache(unittest.TestCase): pass state_dir = os.path.join(rootdir, "var/lib/apt") lists_dir = os.path.join(rootdir, "var/lib/apt/lists") + old_state = apt_pkg.config.find("dir::state") apt_pkg.config.set("dir::state", state_dir) # set a local sources.list that does not need the network base_sources = os.path.abspath(os.path.join(rootdir, "sources.list")) + old_source_list = apt_pkg.config.find("dir::etc::sourcelist") + old_source_parts = apt_pkg.config.find("dir::etc::sourceparts") apt_pkg.config.set("dir::etc::sourcelist", base_sources) - apt_pkg.config.set("dir::etc::sourceparts", "xxx") + apt_pkg.config.set("dir::etc::sourceparts", "/tmp") # main sources.list sources_list = base_sources with open(sources_list, "w") as f: @@ -162,6 +183,25 @@ class TestAptCache(unittest.TestCase): cache.update(sources_list=sources_list) all_packages = glob.glob(lists_dir+"/*_Packages*") self.assertEqual(len(all_packages), 2) + apt_pkg.config.set("dir::state", old_state) + apt_pkg.config.set("dir::etc::sourcelist", old_source_list) + apt_pkg.config.set("dir::etc::sourceparts", old_source_parts) + + def test_package_cmp(self): + cache = apt.Cache(rootdir="/") + l = [] + l.append(cache["intltool"]) + l.append(cache["python3"]) + l.append(cache["apt"]) + l.sort() + self.assertEqual([p.name for p in l], + ["apt", "intltool", "python3"]) + + def test_get_architectures(self): + main_arch = apt.apt_pkg.config.get("APT::Architecture") + arches = apt_pkg.get_architectures() + self.assertTrue(main_arch in arches) + if __name__ == "__main__": unittest.main() |