diff options
| -rw-r--r-- | tests/unittests/helpers.py | 7 | ||||
| -rw-r--r-- | tests/unittests/test_datasource/test_maas.py | 8 | ||||
| -rw-r--r-- | tests/unittests/test_datasource/test_nocloud.py | 113 |
3 files changed, 115 insertions, 13 deletions
diff --git a/tests/unittests/helpers.py b/tests/unittests/helpers.py index 4258a29d..91a50e18 100644 --- a/tests/unittests/helpers.py +++ b/tests/unittests/helpers.py @@ -182,3 +182,10 @@ class FilesystemMockingTestCase(ResourceUsingTestCase): trap_func = retarget_many_wrapper(new_root, 1, func) setattr(mod, f, trap_func) self.patched_funcs.append((mod, f, func)) + +def populate_dir(path, files): + os.makedirs(path) + for (name, content) in files.iteritems(): + with open(os.path.join(path, name), "w") as fp: + fp.write(content) + fp.close() diff --git a/tests/unittests/test_datasource/test_maas.py b/tests/unittests/test_datasource/test_maas.py index 85e6add0..b56fea82 100644 --- a/tests/unittests/test_datasource/test_maas.py +++ b/tests/unittests/test_datasource/test_maas.py @@ -3,6 +3,7 @@ import os from cloudinit.sources import DataSourceMAAS from cloudinit import url_helper +from tests.unittests.helpers import populate_dir from mocker import MockerTestCase @@ -137,11 +138,4 @@ class TestMAASDataSource(MockerTestCase): pass -def populate_dir(seed_dir, files): - os.mkdir(seed_dir) - for (name, content) in files.iteritems(): - with open(os.path.join(seed_dir, name), "w") as fp: - fp.write(content) - fp.close() - # vi: ts=4 expandtab diff --git a/tests/unittests/test_datasource/test_nocloud.py b/tests/unittests/test_datasource/test_nocloud.py index 850d3214..28e0a472 100644 --- a/tests/unittests/test_datasource/test_nocloud.py +++ b/tests/unittests/test_datasource/test_nocloud.py @@ -1,16 +1,106 @@ +from cloudinit import helpers +from tests.unittests.helpers import populate_dir from cloudinit.sources import DataSourceNoCloud +from cloudinit import util from mocker import MockerTestCase +import os +import yaml class TestNoCloudDataSource(MockerTestCase): def setUp(self): + self.tmp = self.makeDir() + self.paths = helpers.Paths({'cloud_dir': self.tmp}) + + self.cmdline = "root=TESTCMDLINE" + + self.unapply = [] + self.apply_patches([(util, 'get_cmdline', self._getcmdline)]) super(TestNoCloudDataSource, self).setUp() - def test_parse_cmdline_data_valid(self): - parse = DataSourceNoCloud.parse_cmdline_data + def tearDown(self): + apply_patches([i for i in reversed(self.unapply)]) + super(TestNoCloudDataSource, self).setUp() + + def apply_patches(self, patches): + ret = apply_patches(patches) + self.unapply += ret + + def _getcmdline(self): + return self.cmdline + + def test_nocloud_seed_dir(self): + md = {'instance-id': 'IID', 'dsmode': 'local'} + ud = "USER_DATA_HERE" + populate_dir(os.path.join(self.paths.seed_dir, "nocloud"), + {'user-data': ud, 'meta-data': yaml.safe_dump(md)}) + + sys_cfg = { + 'datasource': {'NoCloud': {'fs_label': None}} + } + + ds = DataSourceNoCloud.DataSourceNoCloud + + dsrc = ds(sys_cfg=sys_cfg, distro=None, paths=self.paths) + ret = dsrc.get_data() + self.assertEqual(dsrc.userdata_raw, ud) + self.assertEqual(dsrc.metadata, md) + self.assertTrue(ret) + + def test_fs_label(self): + #find_devs_with should not be called ff fs_label is None + ds = DataSourceNoCloud.DataSourceNoCloud + + class PsuedoException(Exception): + pass + + def my_find_devs_with(*args, **kwargs): + _f = (args, kwargs) + raise PsuedoException + + self.apply_patches([(util, 'find_devs_with', my_find_devs_with)]) + # by default, NoCloud should search for filesystems by label + sys_cfg = {'datasource': {'NoCloud': {}}} + dsrc = ds(sys_cfg=sys_cfg, distro=None, paths=self.paths) + self.assertRaises(PsuedoException, dsrc.get_data) + + # but disabling searching should just end up with None found + sys_cfg = {'datasource': {'NoCloud': {'fs_label': None}}} + dsrc = ds(sys_cfg=sys_cfg, distro=None, paths=self.paths) + ret = dsrc.get_data() + self.assertFalse(ret) + + def test_no_datasource_expected(self): + #no source should be found if no cmdline, config, and fs_label=None + sys_cfg = {'datasource': {'NoCloud': {'fs_label': None}}} + + ds = DataSourceNoCloud.DataSourceNoCloud + dsrc = ds(sys_cfg=sys_cfg, distro=None, paths=self.paths) + self.assertFalse(dsrc.get_data()) + + def test_seed_in_config(self): + ds = DataSourceNoCloud.DataSourceNoCloud + + data = { + 'fs_label': None, + 'meta-data': {'instance-id': 'IID'}, + 'user-data': "USER_DATA_RAW", + } + + sys_cfg = {'datasource': {'NoCloud': data}} + dsrc = ds(sys_cfg=sys_cfg, distro=None, paths=self.paths) + ret = dsrc.get_data() + self.assertEqual(dsrc.userdata_raw, "USER_DATA_RAW") + self.assertEqual(dsrc.metadata.get('instance-id'), 'IID') + self.assertTrue(ret) + + +class TestParseCommandLineData(MockerTestCase): + + def test_parse_cmdline_data_valid(self): ds_id = "ds=nocloud" pairs = ( ("root=/dev/sda1 %(ds_id)s", {}), @@ -29,13 +119,12 @@ class TestNoCloudDataSource(MockerTestCase): for (fmt, expected) in pairs: fill = {} cmdline = fmt % {'ds_id': ds_id} - ret = parse(ds_id=ds_id, fill=fill, cmdline=cmdline) + ret = DataSourceNoCloud.parse_cmdline_data(ds_id=ds_id, fill=fill, + cmdline=cmdline) self.assertEqual(expected, fill) self.assertTrue(ret) def test_parse_cmdline_data_none(self): - parse = DataSourceNoCloud.parse_cmdline_data - ds_id = "ds=foo" cmdlines = ( "root=/dev/sda1 ro", @@ -48,9 +137,21 @@ class TestNoCloudDataSource(MockerTestCase): for cmdline in cmdlines: fill = {} - ret = parse(ds_id=ds_id, fill=fill, cmdline=cmdline) + ret = DataSourceNoCloud.parse_cmdline_data(ds_id=ds_id, fill=fill, + cmdline=cmdline) self.assertEqual(fill, {}) self.assertFalse(ret) +def apply_patches(patches): + ret = [] + for (ref, name, replace) in patches: + if replace is None: + continue + orig = getattr(ref, name) + setattr(ref, name, replace) + ret.append((ref, name, orig)) + return ret + + # vi: ts=4 expandtab |