diff options
Diffstat (limited to 'tests/unittests/test_datasource/test_configdrive.py')
| -rw-r--r-- | tests/unittests/test_datasource/test_configdrive.py | 104 |
1 files changed, 58 insertions, 46 deletions
diff --git a/tests/unittests/test_datasource/test_configdrive.py b/tests/unittests/test_datasource/test_configdrive.py index d88066e5..800c5fd8 100644 --- a/tests/unittests/test_datasource/test_configdrive.py +++ b/tests/unittests/test_datasource/test_configdrive.py @@ -1,10 +1,18 @@ from copy import copy import json import os -import os.path - -import mocker -from mocker import MockerTestCase +import shutil +import tempfile +import unittest + +try: + from unittest import mock +except ImportError: + import mock +try: + from contextlib import ExitStack +except ImportError: + from contextlib2 import ExitStack from cloudinit import helpers from cloudinit import settings @@ -12,8 +20,6 @@ from cloudinit.sources import DataSourceConfigDrive as ds from cloudinit.sources.helpers import openstack from cloudinit import util -from .. import helpers as unit_helpers - PUBKEY = u'ssh-rsa AAAAB3NzaC1....sIkJhq8wdX+4I3A4cYbYP ubuntu@server-460\n' EC2_META = { 'ami-id': 'ami-00000001', @@ -64,11 +70,12 @@ CFG_DRIVE_FILES_V2 = { 'openstack/latest/user_data': USER_DATA} -class TestConfigDriveDataSource(MockerTestCase): +class TestConfigDriveDataSource(unittest.TestCase): def setUp(self): super(TestConfigDriveDataSource, self).setUp() - self.tmp = self.makeDir() + self.tmp = tempfile.mkdtemp() + self.addCleanup(shutil.rmtree, self.tmp) def test_ec2_metadata(self): populate_dir(self.tmp, CFG_DRIVE_FILES_V2) @@ -91,23 +98,28 @@ class TestConfigDriveDataSource(MockerTestCase): 'swap': '/dev/vda3', } for name, dev_name in name_tests.items(): - with unit_helpers.mocker() as my_mock: - find_mock = my_mock.replace(util.find_devs_with, - spec=False, passthrough=False) + with ExitStack() as mocks: provided_name = dev_name[len('/dev/'):] provided_name = "s" + provided_name[1:] - find_mock(mocker.ARGS) - my_mock.result([provided_name]) - exists_mock = my_mock.replace(os.path.exists, - spec=False, passthrough=False) - exists_mock(mocker.ARGS) - my_mock.result(False) - exists_mock(mocker.ARGS) - my_mock.result(True) - my_mock.replay() + find_mock = mocks.enter_context( + mock.patch.object(util, 'find_devs_with', + return_value=[provided_name])) + # We want os.path.exists() to return False on its first call, + # and True on its second call. We use a handy generator as + # the mock side effect for this. The mocked function returns + # what the side effect returns. + def exists_side_effect(): + yield False + yield True + exists_mock = mocks.enter_context( + mock.patch.object(os.path, 'exists', + side_effect=exists_side_effect())) device = cfg_ds.device_name_to_device(name) self.assertEquals(dev_name, device) + find_mock.assert_called_once_with(mock.ANY) + self.assertEqual(exists_mock.call_count, 2) + def test_dev_os_map(self): populate_dir(self.tmp, CFG_DRIVE_FILES_V2) cfg_ds = ds.DataSourceConfigDrive(settings.CFG_BUILTIN, @@ -123,19 +135,19 @@ class TestConfigDriveDataSource(MockerTestCase): 'swap': '/dev/vda3', } for name, dev_name in name_tests.items(): - with unit_helpers.mocker() as my_mock: - find_mock = my_mock.replace(util.find_devs_with, - spec=False, passthrough=False) - find_mock(mocker.ARGS) - my_mock.result([dev_name]) - exists_mock = my_mock.replace(os.path.exists, - spec=False, passthrough=False) - exists_mock(mocker.ARGS) - my_mock.result(True) - my_mock.replay() + with ExitStack() as mocks: + find_mock = mocks.enter_context( + mock.patch.object(util, 'find_devs_with', + return_value=[dev_name])) + exists_mock = mocks.enter_context( + mock.patch.object(os.path, 'exists', + return_value=True)) device = cfg_ds.device_name_to_device(name) self.assertEquals(dev_name, device) + find_mock.assert_called_once_with(mock.ANY) + exists_mock.assert_called_once_with(mock.ANY) + def test_dev_ec2_remap(self): populate_dir(self.tmp, CFG_DRIVE_FILES_V2) cfg_ds = ds.DataSourceConfigDrive(settings.CFG_BUILTIN, @@ -156,16 +168,21 @@ class TestConfigDriveDataSource(MockerTestCase): 'root2k': None, } for name, dev_name in name_tests.items(): - with unit_helpers.mocker(verify_calls=False) as my_mock: - exists_mock = my_mock.replace(os.path.exists, - spec=False, passthrough=False) - exists_mock(mocker.ARGS) - my_mock.result(False) - exists_mock(mocker.ARGS) - my_mock.result(True) - my_mock.replay() + # We want os.path.exists() to return False on its first call, + # and True on its second call. We use a handy generator as + # the mock side effect for this. The mocked function returns + # what the side effect returns. + def exists_side_effect(): + yield False + yield True + with mock.patch.object(os.path, 'exists', + side_effect=exists_side_effect()): device = cfg_ds.device_name_to_device(name) self.assertEquals(dev_name, device) + # We don't assert the call count for os.path.exists() because + # not all of the entries in name_tests results in two calls to + # that function. Specifically, 'root2k' doesn't seem to call + # it at all. def test_dev_ec2_map(self): populate_dir(self.tmp, CFG_DRIVE_FILES_V2) @@ -173,12 +190,6 @@ class TestConfigDriveDataSource(MockerTestCase): None, helpers.Paths({})) found = ds.read_config_drive(self.tmp) - exists_mock = self.mocker.replace(os.path.exists, - spec=False, passthrough=False) - exists_mock(mocker.ARGS) - self.mocker.count(0, None) - self.mocker.result(True) - self.mocker.replay() ec2_md = found['ec2-metadata'] os_md = found['metadata'] cfg_ds.ec2_metadata = ec2_md @@ -193,8 +204,9 @@ class TestConfigDriveDataSource(MockerTestCase): 'root2k': None, } for name, dev_name in name_tests.items(): - device = cfg_ds.device_name_to_device(name) - self.assertEquals(dev_name, device) + with mock.patch.object(os.path, 'exists', return_value=True): + device = cfg_ds.device_name_to_device(name) + self.assertEquals(dev_name, device) def test_dir_valid(self): """Verify a dir is read as such.""" |