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-rw-r--r--tests/unittests/distros/test_debian.py211
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diff --git a/tests/unittests/distros/test_debian.py b/tests/unittests/distros/test_debian.py
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+++ b/tests/unittests/distros/test_debian.py
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+# This file is part of cloud-init. See LICENSE file for license information.
+from itertools import count, cycle
+from unittest import mock
+
+import pytest
+
+from cloudinit import distros, subp, util
+from cloudinit.distros.debian import APT_GET_COMMAND, APT_GET_WRAPPER
+from tests.unittests.helpers import FilesystemMockingTestCase
+
+
+@mock.patch("cloudinit.distros.debian.subp.subp")
+class TestDebianApplyLocale(FilesystemMockingTestCase):
+ def setUp(self):
+ super(TestDebianApplyLocale, self).setUp()
+ self.new_root = self.tmp_dir()
+ self.patchOS(self.new_root)
+ self.patchUtils(self.new_root)
+ self.spath = self.tmp_path("etc/default/locale", self.new_root)
+ cls = distros.fetch("debian")
+ self.distro = cls("debian", {}, None)
+
+ def test_no_rerun(self, m_subp):
+ """If system has defined locale, no re-run is expected."""
+ m_subp.return_value = (None, None)
+ locale = "en_US.UTF-8"
+ util.write_file(self.spath, "LANG=%s\n" % locale, omode="w")
+ self.distro.apply_locale(locale, out_fn=self.spath)
+ m_subp.assert_not_called()
+
+ def test_no_regen_on_c_utf8(self, m_subp):
+ """If locale is set to C.UTF8, do not attempt to call locale-gen"""
+ m_subp.return_value = (None, None)
+ locale = "C.UTF-8"
+ util.write_file(self.spath, "LANG=%s\n" % "en_US.UTF-8", omode="w")
+ self.distro.apply_locale(locale, out_fn=self.spath)
+ self.assertEqual(
+ [
+ [
+ "update-locale",
+ "--locale-file=" + self.spath,
+ "LANG=%s" % locale,
+ ]
+ ],
+ [p[0][0] for p in m_subp.call_args_list],
+ )
+
+ def test_rerun_if_different(self, m_subp):
+ """If system has different locale, locale-gen should be called."""
+ m_subp.return_value = (None, None)
+ locale = "en_US.UTF-8"
+ util.write_file(self.spath, "LANG=fr_FR.UTF-8", omode="w")
+ self.distro.apply_locale(locale, out_fn=self.spath)
+ self.assertEqual(
+ [
+ ["locale-gen", locale],
+ [
+ "update-locale",
+ "--locale-file=" + self.spath,
+ "LANG=%s" % locale,
+ ],
+ ],
+ [p[0][0] for p in m_subp.call_args_list],
+ )
+
+ def test_rerun_if_no_file(self, m_subp):
+ """If system has no locale file, locale-gen should be called."""
+ m_subp.return_value = (None, None)
+ locale = "en_US.UTF-8"
+ self.distro.apply_locale(locale, out_fn=self.spath)
+ self.assertEqual(
+ [
+ ["locale-gen", locale],
+ [
+ "update-locale",
+ "--locale-file=" + self.spath,
+ "LANG=%s" % locale,
+ ],
+ ],
+ [p[0][0] for p in m_subp.call_args_list],
+ )
+
+ def test_rerun_on_unset_system_locale(self, m_subp):
+ """If system has unset locale, locale-gen should be called."""
+ m_subp.return_value = (None, None)
+ locale = "en_US.UTF-8"
+ util.write_file(self.spath, "LANG=", omode="w")
+ self.distro.apply_locale(locale, out_fn=self.spath)
+ self.assertEqual(
+ [
+ ["locale-gen", locale],
+ [
+ "update-locale",
+ "--locale-file=" + self.spath,
+ "LANG=%s" % locale,
+ ],
+ ],
+ [p[0][0] for p in m_subp.call_args_list],
+ )
+
+ def test_rerun_on_mismatched_keys(self, m_subp):
+ """If key is LC_ALL and system has only LANG, rerun is expected."""
+ m_subp.return_value = (None, None)
+ locale = "en_US.UTF-8"
+ util.write_file(self.spath, "LANG=", omode="w")
+ self.distro.apply_locale(locale, out_fn=self.spath, keyname="LC_ALL")
+ self.assertEqual(
+ [
+ ["locale-gen", locale],
+ [
+ "update-locale",
+ "--locale-file=" + self.spath,
+ "LC_ALL=%s" % locale,
+ ],
+ ],
+ [p[0][0] for p in m_subp.call_args_list],
+ )
+
+ def test_falseish_locale_raises_valueerror(self, m_subp):
+ """locale as None or "" is invalid and should raise ValueError."""
+
+ with self.assertRaises(ValueError) as ctext_m:
+ self.distro.apply_locale(None)
+ m_subp.assert_not_called()
+
+ self.assertEqual(
+ "Failed to provide locale value.", str(ctext_m.exception)
+ )
+
+ with self.assertRaises(ValueError) as ctext_m:
+ self.distro.apply_locale("")
+ m_subp.assert_not_called()
+ self.assertEqual(
+ "Failed to provide locale value.", str(ctext_m.exception)
+ )
+
+
+@mock.patch.dict("os.environ", {}, clear=True)
+@mock.patch("cloudinit.distros.debian.subp.which", return_value=True)
+@mock.patch("cloudinit.distros.debian.subp.subp")
+class TestPackageCommand:
+ distro = distros.fetch("debian")("debian", {}, None)
+
+ @mock.patch(
+ "cloudinit.distros.debian.Distro._apt_lock_available",
+ return_value=True,
+ )
+ def test_simple_command(self, m_apt_avail, m_subp, m_which):
+ self.distro.package_command("update")
+ apt_args = [APT_GET_WRAPPER["command"]]
+ apt_args.extend(APT_GET_COMMAND)
+ apt_args.append("update")
+ expected_call = {
+ "args": apt_args,
+ "capture": False,
+ "env": {"DEBIAN_FRONTEND": "noninteractive"},
+ }
+ assert m_subp.call_args == mock.call(**expected_call)
+
+ @mock.patch(
+ "cloudinit.distros.debian.Distro._apt_lock_available",
+ side_effect=[False, False, True],
+ )
+ @mock.patch("cloudinit.distros.debian.time.sleep")
+ def test_wait_for_lock(self, m_sleep, m_apt_avail, m_subp, m_which):
+ self.distro._wait_for_apt_command("stub", {"args": "stub2"})
+ assert m_sleep.call_args_list == [mock.call(1), mock.call(1)]
+ assert m_subp.call_args_list == [mock.call(args="stub2")]
+
+ @mock.patch(
+ "cloudinit.distros.debian.Distro._apt_lock_available",
+ return_value=False,
+ )
+ @mock.patch("cloudinit.distros.debian.time.sleep")
+ @mock.patch("cloudinit.distros.debian.time.time", side_effect=count())
+ def test_lock_wait_timeout(
+ self, m_time, m_sleep, m_apt_avail, m_subp, m_which
+ ):
+ with pytest.raises(TimeoutError):
+ self.distro._wait_for_apt_command("stub", "stub2", timeout=5)
+ assert m_subp.call_args_list == []
+
+ @mock.patch(
+ "cloudinit.distros.debian.Distro._apt_lock_available",
+ side_effect=cycle([True, False]),
+ )
+ @mock.patch("cloudinit.distros.debian.time.sleep")
+ def test_lock_exception_wait(self, m_sleep, m_apt_avail, m_subp, m_which):
+ exception = subp.ProcessExecutionError(
+ exit_code=100, stderr="Could not get apt lock"
+ )
+ m_subp.side_effect = [exception, exception, "return_thing"]
+ ret = self.distro._wait_for_apt_command("stub", {"args": "stub2"})
+ assert ret == "return_thing"
+
+ @mock.patch(
+ "cloudinit.distros.debian.Distro._apt_lock_available",
+ side_effect=cycle([True, False]),
+ )
+ @mock.patch("cloudinit.distros.debian.time.sleep")
+ @mock.patch("cloudinit.distros.debian.time.time", side_effect=count())
+ def test_lock_exception_timeout(
+ self, m_time, m_sleep, m_apt_avail, m_subp, m_which
+ ):
+ m_subp.side_effect = subp.ProcessExecutionError(
+ exit_code=100, stderr="Could not get apt lock"
+ )
+ with pytest.raises(TimeoutError):
+ self.distro._wait_for_apt_command(
+ "stub", {"args": "stub2"}, timeout=5
+ )