diff options
Diffstat (limited to 'cloudinit/tests/test_util.py')
-rw-r--r-- | cloudinit/tests/test_util.py | 129 |
1 files changed, 127 insertions, 2 deletions
diff --git a/cloudinit/tests/test_util.py b/cloudinit/tests/test_util.py index 3f37dbb6..17853fc7 100644 --- a/cloudinit/tests/test_util.py +++ b/cloudinit/tests/test_util.py @@ -3,11 +3,12 @@ """Tests for cloudinit.util""" import logging -from textwrap import dedent +import platform import cloudinit.util as util from cloudinit.tests.helpers import CiTestCase, mock +from textwrap import dedent LOG = logging.getLogger(__name__) @@ -16,6 +17,29 @@ MOUNT_INFO = [ '153 68 254:0 / /home rw,relatime shared:101 - xfs /dev/sda2 rw,attr2' ] +OS_RELEASE_SLES = dedent("""\ + NAME="SLES"\n + VERSION="12-SP3"\n + VERSION_ID="12.3"\n + PRETTY_NAME="SUSE Linux Enterprise Server 12 SP3"\n + ID="sles"\nANSI_COLOR="0;32"\n + CPE_NAME="cpe:/o:suse:sles:12:sp3"\n +""") + +OS_RELEASE_UBUNTU = dedent("""\ + NAME="Ubuntu"\n + VERSION="16.04.3 LTS (Xenial Xerus)"\n + ID=ubuntu\n + ID_LIKE=debian\n + PRETTY_NAME="Ubuntu 16.04.3 LTS"\n + VERSION_ID="16.04"\n + HOME_URL="http://www.ubuntu.com/"\n + SUPPORT_URL="http://help.ubuntu.com/"\n + BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"\n + VERSION_CODENAME=xenial\n + UBUNTU_CODENAME=xenial\n +""") + class FakeCloud(object): @@ -135,7 +159,7 @@ class TestGetHostnameFqdn(CiTestCase): def test_get_hostname_fqdn_from_passes_metadata_only_to_cloud(self): """Calls to cloud.get_hostname pass the metadata_only parameter.""" mycloud = FakeCloud('cloudhost', 'cloudhost.mycloud.com') - hostname, fqdn = util.get_hostname_fqdn( + _hn, _fqdn = util.get_hostname_fqdn( cfg={}, cloud=mycloud, metadata_only=True) self.assertEqual( [{'fqdn': True, 'metadata_only': True}, @@ -212,4 +236,105 @@ class TestBlkid(CiTestCase): capture=True, decode="replace") +@mock.patch('cloudinit.util.subp') +class TestUdevadmSettle(CiTestCase): + def test_with_no_params(self, m_subp): + """called with no parameters.""" + util.udevadm_settle() + m_subp.called_once_with(mock.call(['udevadm', 'settle'])) + + def test_with_exists_and_not_exists(self, m_subp): + """with exists=file where file does not exist should invoke subp.""" + mydev = self.tmp_path("mydev") + util.udevadm_settle(exists=mydev) + m_subp.called_once_with( + ['udevadm', 'settle', '--exit-if-exists=%s' % mydev]) + + def test_with_exists_and_file_exists(self, m_subp): + """with exists=file where file does exist should not invoke subp.""" + mydev = self.tmp_path("mydev") + util.write_file(mydev, "foo\n") + util.udevadm_settle(exists=mydev) + self.assertIsNone(m_subp.call_args) + + def test_with_timeout_int(self, m_subp): + """timeout can be an integer.""" + timeout = 9 + util.udevadm_settle(timeout=timeout) + m_subp.called_once_with( + ['udevadm', 'settle', '--timeout=%s' % timeout]) + + def test_with_timeout_string(self, m_subp): + """timeout can be a string.""" + timeout = "555" + util.udevadm_settle(timeout=timeout) + m_subp.assert_called_once_with( + ['udevadm', 'settle', '--timeout=%s' % timeout]) + + def test_with_exists_and_timeout(self, m_subp): + """test call with both exists and timeout.""" + mydev = self.tmp_path("mydev") + timeout = "3" + util.udevadm_settle(exists=mydev) + m_subp.called_once_with( + ['udevadm', 'settle', '--exit-if-exists=%s' % mydev, + '--timeout=%s' % timeout]) + + def test_subp_exception_raises_to_caller(self, m_subp): + m_subp.side_effect = util.ProcessExecutionError("BOOM") + self.assertRaises(util.ProcessExecutionError, util.udevadm_settle) + + +@mock.patch('os.path.exists') +class TestGetLinuxDistro(CiTestCase): + + @classmethod + def os_release_exists(self, path): + """Side effect function""" + if path == '/etc/os-release': + return 1 + + @mock.patch('cloudinit.util.load_file') + def test_get_linux_distro_quoted_name(self, m_os_release, m_path_exists): + """Verify we get the correct name if the os-release file has + the distro name in quotes""" + m_os_release.return_value = OS_RELEASE_SLES + m_path_exists.side_effect = TestGetLinuxDistro.os_release_exists + dist = util.get_linux_distro() + self.assertEqual(('sles', '12.3', platform.machine()), dist) + + @mock.patch('cloudinit.util.load_file') + def test_get_linux_distro_bare_name(self, m_os_release, m_path_exists): + """Verify we get the correct name if the os-release file does not + have the distro name in quotes""" + m_os_release.return_value = OS_RELEASE_UBUNTU + m_path_exists.side_effect = TestGetLinuxDistro.os_release_exists + dist = util.get_linux_distro() + self.assertEqual(('ubuntu', '16.04', platform.machine()), dist) + + @mock.patch('platform.dist') + def test_get_linux_distro_no_data(self, m_platform_dist, m_path_exists): + """Verify we get no information if os-release does not exist""" + m_platform_dist.return_value = ('', '', '') + m_path_exists.return_value = 0 + dist = util.get_linux_distro() + self.assertEqual(('', '', ''), dist) + + @mock.patch('platform.dist') + def test_get_linux_distro_no_impl(self, m_platform_dist, m_path_exists): + """Verify we get an empty tuple when no information exists and + Exceptions are not propagated""" + m_platform_dist.side_effect = Exception() + m_path_exists.return_value = 0 + dist = util.get_linux_distro() + self.assertEqual(('', '', ''), dist) + + @mock.patch('platform.dist') + def test_get_linux_distro_plat_data(self, m_platform_dist, m_path_exists): + """Verify we get the correct platform information""" + m_platform_dist.return_value = ('foo', '1.1', 'aarch64') + m_path_exists.return_value = 0 + dist = util.get_linux_distro() + self.assertEqual(('foo', '1.1', 'aarch64'), dist) + # vi: ts=4 expandtab |