diff options
Diffstat (limited to 'cloudinit/distros/tests')
-rw-r--r-- | cloudinit/distros/tests/__init__.py | 0 | ||||
-rw-r--r-- | cloudinit/distros/tests/test_init.py | 156 | ||||
-rw-r--r-- | cloudinit/distros/tests/test_networking.py | 223 |
3 files changed, 0 insertions, 379 deletions
diff --git a/cloudinit/distros/tests/__init__.py b/cloudinit/distros/tests/__init__.py deleted file mode 100644 index e69de29b..00000000 --- a/cloudinit/distros/tests/__init__.py +++ /dev/null diff --git a/cloudinit/distros/tests/test_init.py b/cloudinit/distros/tests/test_init.py deleted file mode 100644 index db534654..00000000 --- a/cloudinit/distros/tests/test_init.py +++ /dev/null @@ -1,156 +0,0 @@ -# Copyright (C) 2020 Canonical Ltd. -# -# Author: Daniel Watkins <oddbloke@ubuntu.com> -# -# This file is part of cloud-init. See LICENSE file for license information. -"""Tests for cloudinit/distros/__init__.py""" - -from unittest import mock - -import pytest - -from cloudinit.distros import _get_package_mirror_info, LDH_ASCII_CHARS - - -# Define a set of characters we would expect to be replaced -INVALID_URL_CHARS = [ - chr(x) for x in range(127) if chr(x) not in LDH_ASCII_CHARS -] -for separator in [":", ".", "/", "#", "?", "@", "[", "]"]: - # Remove from the set characters that either separate hostname parts (":", - # "."), terminate hostnames ("/", "#", "?", "@"), or cause Python to be - # unable to parse URLs ("[", "]"). - INVALID_URL_CHARS.remove(separator) - - -class TestGetPackageMirrorInfo: - """ - Tests for cloudinit.distros._get_package_mirror_info. - - These supplement the tests in tests/unittests/test_distros/test_generic.py - which are more focused on testing a single production-like configuration. - These tests are more focused on specific aspects of the unit under test. - """ - - @pytest.mark.parametrize('mirror_info,expected', [ - # Empty info gives empty return - ({}, {}), - # failsafe values used if present - ({'failsafe': {'primary': 'http://value', 'security': 'http://other'}}, - {'primary': 'http://value', 'security': 'http://other'}), - # search values used if present - ({'search': {'primary': ['http://value'], - 'security': ['http://other']}}, - {'primary': ['http://value'], 'security': ['http://other']}), - # failsafe values used if search value not present - ({'search': {'primary': ['http://value']}, - 'failsafe': {'security': 'http://other'}}, - {'primary': ['http://value'], 'security': 'http://other'}) - ]) - def test_get_package_mirror_info_failsafe(self, mirror_info, expected): - """ - Test the interaction between search and failsafe inputs - - (This doesn't test the case where the mirror_filter removes all search - options; test_failsafe_used_if_all_search_results_filtered_out covers - that.) - """ - assert expected == _get_package_mirror_info(mirror_info, - mirror_filter=lambda x: x) - - def test_failsafe_used_if_all_search_results_filtered_out(self): - """Test the failsafe option used if all search options eliminated.""" - mirror_info = { - 'search': {'primary': ['http://value']}, - 'failsafe': {'primary': 'http://other'} - } - assert {'primary': 'http://other'} == _get_package_mirror_info( - mirror_info, mirror_filter=lambda x: False) - - @pytest.mark.parametrize('allow_ec2_mirror, platform_type', [ - (True, 'ec2') - ]) - @pytest.mark.parametrize('availability_zone,region,patterns,expected', ( - # Test ec2_region alone - ('fk-fake-1f', None, ['http://EC2-%(ec2_region)s/ubuntu'], - ['http://ec2-fk-fake-1/ubuntu']), - # Test availability_zone alone - ('fk-fake-1f', None, ['http://AZ-%(availability_zone)s/ubuntu'], - ['http://az-fk-fake-1f/ubuntu']), - # Test region alone - (None, 'fk-fake-1', ['http://RG-%(region)s/ubuntu'], - ['http://rg-fk-fake-1/ubuntu']), - # Test that ec2_region is not available for non-matching AZs - ('fake-fake-1f', None, - ['http://EC2-%(ec2_region)s/ubuntu', - 'http://AZ-%(availability_zone)s/ubuntu'], - ['http://az-fake-fake-1f/ubuntu']), - # Test that template order maintained - (None, 'fake-region', - ['http://RG-%(region)s-2/ubuntu', 'http://RG-%(region)s-1/ubuntu'], - ['http://rg-fake-region-2/ubuntu', 'http://rg-fake-region-1/ubuntu']), - # Test that non-ASCII hostnames are IDNA encoded; - # "IDNA-ТεЅТ̣".encode('idna') == b"xn--idna--4kd53hh6aba3q" - (None, 'ТεЅТ̣', ['http://www.IDNA-%(region)s.com/ubuntu'], - ['http://www.xn--idna--4kd53hh6aba3q.com/ubuntu']), - # Test that non-ASCII hostnames with a port are IDNA encoded; - # "IDNA-ТεЅТ̣".encode('idna') == b"xn--idna--4kd53hh6aba3q" - (None, 'ТεЅТ̣', ['http://www.IDNA-%(region)s.com:8080/ubuntu'], - ['http://www.xn--idna--4kd53hh6aba3q.com:8080/ubuntu']), - # Test that non-ASCII non-hostname parts of URLs are unchanged - (None, 'ТεЅТ̣', ['http://www.example.com/%(region)s/ubuntu'], - ['http://www.example.com/ТεЅТ̣/ubuntu']), - # Test that IPv4 addresses are unchanged - (None, 'fk-fake-1', ['http://192.168.1.1:8080/%(region)s/ubuntu'], - ['http://192.168.1.1:8080/fk-fake-1/ubuntu']), - # Test that IPv6 addresses are unchanged - (None, 'fk-fake-1', - ['http://[2001:67c:1360:8001::23]/%(region)s/ubuntu'], - ['http://[2001:67c:1360:8001::23]/fk-fake-1/ubuntu']), - # Test that unparseable URLs are filtered out of the mirror list - (None, 'inv[lid', - ['http://%(region)s.in.hostname/should/be/filtered', - 'http://but.not.in.the.path/%(region)s'], - ['http://but.not.in.the.path/inv[lid']), - (None, '-some-region-', - ['http://-lead-ing.%(region)s.trail-ing-.example.com/ubuntu'], - ['http://lead-ing.some-region.trail-ing.example.com/ubuntu']), - ) + tuple( - # Dynamically generate a test case for each non-LDH - # (Letters/Digits/Hyphen) ASCII character, testing that it is - # substituted with a hyphen - (None, 'fk{0}fake{0}1'.format(invalid_char), - ['http://%(region)s/ubuntu'], ['http://fk-fake-1/ubuntu']) - for invalid_char in INVALID_URL_CHARS - )) - def test_valid_substitution(self, - allow_ec2_mirror, - platform_type, - availability_zone, - region, - patterns, - expected): - """Test substitution works as expected.""" - flag_path = "cloudinit.distros." \ - "ALLOW_EC2_MIRRORS_ON_NON_AWS_INSTANCE_TYPES" - - m_data_source = mock.Mock( - availability_zone=availability_zone, - region=region, - platform_type=platform_type - ) - mirror_info = {'search': {'primary': patterns}} - - with mock.patch(flag_path, allow_ec2_mirror): - ret = _get_package_mirror_info( - mirror_info, - data_source=m_data_source, - mirror_filter=lambda x: x - ) - print(allow_ec2_mirror) - print(platform_type) - print(availability_zone) - print(region) - print(patterns) - print(expected) - assert {'primary': expected} == ret diff --git a/cloudinit/distros/tests/test_networking.py b/cloudinit/distros/tests/test_networking.py deleted file mode 100644 index ec508f4d..00000000 --- a/cloudinit/distros/tests/test_networking.py +++ /dev/null @@ -1,223 +0,0 @@ -from unittest import mock - -import pytest - -from cloudinit import net -from cloudinit.distros.networking import ( - BSDNetworking, - LinuxNetworking, - Networking, -) - -# See https://docs.pytest.org/en/stable/example -# /parametrize.html#parametrizing-conditional-raising -from contextlib import ExitStack as does_not_raise - - -@pytest.yield_fixture -def generic_networking_cls(): - """Returns a direct Networking subclass which errors on /sys usage. - - This enables the direct testing of functionality only present on the - ``Networking`` super-class, and provides a check on accidentally using /sys - in that context. - """ - - class TestNetworking(Networking): - def is_physical(self, *args, **kwargs): - raise NotImplementedError - - def settle(self, *args, **kwargs): - raise NotImplementedError - - def try_set_link_up(self, *args, **kwargs): - raise NotImplementedError - - error = AssertionError("Unexpectedly used /sys in generic networking code") - with mock.patch( - "cloudinit.net.get_sys_class_path", side_effect=error, - ): - yield TestNetworking - - -@pytest.yield_fixture -def sys_class_net(tmpdir): - sys_class_net_path = tmpdir.join("sys/class/net") - sys_class_net_path.ensure_dir() - with mock.patch( - "cloudinit.net.get_sys_class_path", - return_value=sys_class_net_path.strpath + "/", - ): - yield sys_class_net_path - - -class TestBSDNetworkingIsPhysical: - def test_raises_notimplementederror(self): - with pytest.raises(NotImplementedError): - BSDNetworking().is_physical("eth0") - - -class TestLinuxNetworkingIsPhysical: - def test_returns_false_by_default(self, sys_class_net): - assert not LinuxNetworking().is_physical("eth0") - - def test_returns_false_if_devname_exists_but_not_physical( - self, sys_class_net - ): - devname = "eth0" - sys_class_net.join(devname).mkdir() - assert not LinuxNetworking().is_physical(devname) - - def test_returns_true_if_device_is_physical(self, sys_class_net): - devname = "eth0" - device_dir = sys_class_net.join(devname) - device_dir.mkdir() - device_dir.join("device").write("") - - assert LinuxNetworking().is_physical(devname) - - -class TestBSDNetworkingTrySetLinkUp: - def test_raises_notimplementederror(self): - with pytest.raises(NotImplementedError): - BSDNetworking().try_set_link_up("eth0") - - -@mock.patch("cloudinit.net.is_up") -@mock.patch("cloudinit.distros.networking.subp.subp") -class TestLinuxNetworkingTrySetLinkUp: - def test_calls_subp_return_true(self, m_subp, m_is_up): - devname = "eth0" - m_is_up.return_value = True - is_success = LinuxNetworking().try_set_link_up(devname) - - assert (mock.call(['ip', 'link', 'set', devname, 'up']) == - m_subp.call_args_list[-1]) - assert is_success - - def test_calls_subp_return_false(self, m_subp, m_is_up): - devname = "eth0" - m_is_up.return_value = False - is_success = LinuxNetworking().try_set_link_up(devname) - - assert (mock.call(['ip', 'link', 'set', devname, 'up']) == - m_subp.call_args_list[-1]) - assert not is_success - - -class TestBSDNetworkingSettle: - def test_settle_doesnt_error(self): - # This also implicitly tests that it doesn't use subp.subp - BSDNetworking().settle() - - -@pytest.mark.usefixtures("sys_class_net") -@mock.patch("cloudinit.distros.networking.util.udevadm_settle", autospec=True) -class TestLinuxNetworkingSettle: - def test_no_arguments(self, m_udevadm_settle): - LinuxNetworking().settle() - - assert [mock.call(exists=None)] == m_udevadm_settle.call_args_list - - def test_exists_argument(self, m_udevadm_settle): - LinuxNetworking().settle(exists="ens3") - - expected_path = net.sys_dev_path("ens3") - assert [ - mock.call(exists=expected_path) - ] == m_udevadm_settle.call_args_list - - -class TestNetworkingWaitForPhysDevs: - @pytest.fixture - def wait_for_physdevs_netcfg(self): - """This config is shared across all the tests in this class.""" - - def ethernet(mac, name, driver=None, device_id=None): - v2_cfg = {"set-name": name, "match": {"macaddress": mac}} - if driver: - v2_cfg["match"].update({"driver": driver}) - if device_id: - v2_cfg["match"].update({"device_id": device_id}) - - return v2_cfg - - physdevs = [ - ["aa:bb:cc:dd:ee:ff", "eth0", "virtio", "0x1000"], - ["00:11:22:33:44:55", "ens3", "e1000", "0x1643"], - ] - netcfg = { - "version": 2, - "ethernets": {args[1]: ethernet(*args) for args in physdevs}, - } - return netcfg - - def test_skips_settle_if_all_present( - self, generic_networking_cls, wait_for_physdevs_netcfg, - ): - networking = generic_networking_cls() - with mock.patch.object( - networking, "get_interfaces_by_mac" - ) as m_get_interfaces_by_mac: - m_get_interfaces_by_mac.side_effect = iter( - [{"aa:bb:cc:dd:ee:ff": "eth0", "00:11:22:33:44:55": "ens3"}] - ) - with mock.patch.object( - networking, "settle", autospec=True - ) as m_settle: - networking.wait_for_physdevs(wait_for_physdevs_netcfg) - assert 0 == m_settle.call_count - - def test_calls_udev_settle_on_missing( - self, generic_networking_cls, wait_for_physdevs_netcfg, - ): - networking = generic_networking_cls() - with mock.patch.object( - networking, "get_interfaces_by_mac" - ) as m_get_interfaces_by_mac: - m_get_interfaces_by_mac.side_effect = iter( - [ - { - "aa:bb:cc:dd:ee:ff": "eth0" - }, # first call ens3 is missing - { - "aa:bb:cc:dd:ee:ff": "eth0", - "00:11:22:33:44:55": "ens3", - }, # second call has both - ] - ) - with mock.patch.object( - networking, "settle", autospec=True - ) as m_settle: - networking.wait_for_physdevs(wait_for_physdevs_netcfg) - m_settle.assert_called_with(exists="ens3") - - @pytest.mark.parametrize( - "strict,expectation", - [(True, pytest.raises(RuntimeError)), (False, does_not_raise())], - ) - def test_retrying_and_strict_behaviour( - self, - strict, - expectation, - generic_networking_cls, - wait_for_physdevs_netcfg, - ): - networking = generic_networking_cls() - with mock.patch.object( - networking, "get_interfaces_by_mac" - ) as m_get_interfaces_by_mac: - m_get_interfaces_by_mac.return_value = {} - - with mock.patch.object( - networking, "settle", autospec=True - ) as m_settle: - with expectation: - networking.wait_for_physdevs( - wait_for_physdevs_netcfg, strict=strict - ) - - assert ( - 5 * len(wait_for_physdevs_netcfg["ethernets"]) - == m_settle.call_count - ) |