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import unittest
from mox3 import mox
import os
import shutil
import piuparts
from piuparts import is_broken_symlink
class DefaultsFactoryTests(unittest.TestCase):
def setUp(self):
self.mox = mox.Mox()
self.df = piuparts.DefaultsFactory()
piuparts.settings = piuparts.Settings()
def tearDown(self):
self.mox.UnsetStubs()
def test_new_defaults_return_debian_defaults(self):
# mock the guess_flavor function as it runs lsb_release in a subprocess
self.mox.StubOutWithMock(self.df, 'guess_flavor')
self.df.guess_flavor().AndReturn('debian')
self.mox.ReplayAll()
defaults = self.df.new_defaults()
self.mox.VerifyAll()
self.assertEqual(defaults.get_keyring(), '/usr/share/keyrings/debian-archive-keyring.gpg')
self.assertEqual(defaults.get_components(), ["main", "contrib", "non-free"])
self.assertEqual(defaults.get_mirror(), [("http://http.debian.net/debian", ["main", "contrib", "non-free"])])
self.assertEqual(defaults.get_distribution(), ['sid'])
def test_new_defaults_return_ubuntu_defaults(self):
# mock the guess_flavor function as it runs lsb_release in a subprocess
self.mox.StubOutWithMock(self.df, 'guess_flavor')
self.df.guess_flavor().AndReturn('ubuntu')
self.mox.ReplayAll()
defaults = self.df.new_defaults()
self.mox.VerifyAll()
self.assertEqual(defaults.get_keyring(), '/usr/share/keyrings/ubuntu-archive-keyring.gpg')
self.assertEqual(defaults.get_components(), ["main", "universe", "restricted", "multiverse"])
self.assertEqual(defaults.get_mirror(), [("http://archive.ubuntu.com/ubuntu", ["main", "universe", "restricted", "multiverse"])])
def test_new_defaults_panics_with_unknown_flavor(self):
# mock the guess_flavor function as it runs lsb_release in a subprocess
# and the panic function as it would use sys.exit()
self.mox.StubOutWithMock(self.df, 'guess_flavor')
self.df.guess_flavor().AndReturn('centos')
self.mox.StubOutWithMock(piuparts, 'panic')
piuparts.panic().AndReturn('Oh dear! Its CentOS!')
self.mox.ReplayAll()
defaults = self.df.new_defaults()
self.mox.VerifyAll()
# panic() would cause sys.exit() so no Defaults object would
# ever be returned
self.assertEqual(defaults, None)
class IsBrokenSymlinkTests(unittest.TestCase):
testdir = "is-broken-symlink-testdir"
def symlink(self, target, name):
pathname = os.path.join(self.testdir, name)
os.symlink(target, pathname)
self.symlinks.append(pathname)
def setUp(self):
self.symlinks = []
os.mkdir(self.testdir)
self.symlink("notexist", "relative-broken")
self.symlink("relative-broken", "relative-broken-to-symlink")
self.symlink(".", "relative-works")
self.symlink("relative-works", "relative-works-to-symlink")
self.symlink("/etc", "absolute-broken")
self.symlink("absolute-broken", "absolute-broken-to-symlink")
self.symlink("/", "absolute-works")
self.symlink("/absolute-works", "absolute-works-to-symlink")
os.mkdir(os.path.join(self.testdir, "dir"))
self.symlink("dir", "dir-link")
os.mkdir(os.path.join(self.testdir, "dir/subdir"))
self.symlink("subdir", "dir/subdir-link")
self.symlink("notexist/", "trailing-slash-broken")
self.symlink("dir/", "trailing-slash-works")
self.symlink("selfloop", "selfloop")
self.symlink("/absolute-selfloop", "absolute-selfloop")
self.symlink("../dir/selfloop", "dir/selfloop")
self.symlink("../dir-link/selfloop", "dir/selfloop1")
self.symlink("../../dir/subdir/selfloop", "dir/subdir/selfloop")
self.symlink("../../dir-link/subdir/selfloop", "dir/subdir/selfloop1")
self.symlink("../../link/subdir-link/selfloop", "dir/subdir/selfloop2")
self.symlink("../../dir-link/subdir-link/selfloop", "dir/subdir/selfloop3")
self.symlink("explode/bomb", "explode")
def tearDown(self):
shutil.rmtree(self.testdir)
def testRelativeBroken(self):
self.failUnless(is_broken_symlink(self.testdir, self.testdir,
"relative-broken"))
def testRelativeBrokenToSymlink(self):
self.failUnless(is_broken_symlink(self.testdir, self.testdir,
"relative-broken-to-symlink"))
def testAbsoluteBroken(self):
self.failUnless(is_broken_symlink(self.testdir, self.testdir,
"absolute-broken"))
def testAbsoluteBrokenToSymlink(self):
self.failUnless(is_broken_symlink(self.testdir, self.testdir,
"absolute-broken-to-symlink"))
def testTrailingSlashBroken(self):
self.failUnless(is_broken_symlink(self.testdir, self.testdir,
"trailing-slash-broken"))
def testSelfLoopBroken(self):
self.failUnless(is_broken_symlink(self.testdir, self.testdir,
"selfloop"))
def testExpandingSelfLoopBroken(self):
self.failUnless(is_broken_symlink(self.testdir, self.testdir,
"explode"))
def testAbsoluteSelfLoopBroken(self):
self.failUnless(is_broken_symlink(self.testdir, self.testdir,
"absolute-selfloop"))
def testSubdirSelfLoopBroken(self):
self.failUnless(is_broken_symlink(self.testdir, self.testdir,
"dir/selfloop"))
self.failUnless(is_broken_symlink(self.testdir, self.testdir,
"dir/selfloop1"))
self.failUnless(is_broken_symlink(self.testdir, self.testdir,
"dir/subdir/selfloop"))
self.failUnless(is_broken_symlink(self.testdir, self.testdir,
"dir/subdir/selfloop1"))
self.failUnless(is_broken_symlink(self.testdir, self.testdir,
"dir/subdir/selfloop2"))
self.failUnless(is_broken_symlink(self.testdir, self.testdir,
"dir/subdir/selfloop3"))
def testRelativeWorks(self):
self.failIf(is_broken_symlink(self.testdir, self.testdir,
"relative-works"))
def testRelativeWorksToSymlink(self):
self.failIf(is_broken_symlink(self.testdir, self.testdir,
"relative-works-to-symlink"))
def testAbsoluteWorks(self):
self.failIf(is_broken_symlink(self.testdir, self.testdir,
"absolute-works"))
def testAbsoluteWorksToSymlink(self):
self.failIf(is_broken_symlink(self.testdir, self.testdir,
"absolute-works-to-symlink"))
def testTrailingSlashWorks(self):
self.failIf(is_broken_symlink(self.testdir, self.testdir,
"trailing-slash-works"))
def testMultiLevelNestedSymlinks(self):
# target/first-link -> ../target/second-link -> ../target
os.mkdir(os.path.join(self.testdir, "target"))
self.symlink("../target", "target/second-link")
self.symlink("../target/second-link", "target/first-link")
self.failIf(is_broken_symlink(self.testdir, self.testdir,
"target/first-link"))
def testMultiLevelNestedAbsoluteSymlinks(self):
# first-link -> /second-link/final-target
# second-link -> /target-dir
os.mkdir(os.path.join(self.testdir, "final-dir"))
os.mkdir(os.path.join(self.testdir, "final-dir/final-target"))
self.symlink("/second-link/final-target", "first-link")
self.symlink("/final-dir", "second-link")
self.failIf(is_broken_symlink(self.testdir, self.testdir,
"first-link"))
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