neutron-lbaas/neutron/tests/unit/test_common_utils.py
Aaron Rosen 2a2d566be3 replace rest of q_exc to n_exc in code base
The following patch renames the rest of q_exc to n_exc which were
left when quantum was renamed to neutron.

used: find . -name "*.py"  -print | xargs sed -i 's/q_exc/n_exc/g'

Change-Id: I04041030694b28c400b6c9c552433f2eaa4a37ba
Closes-bug: #1287462
2014-03-03 17:42:20 -08:00

317 lines
13 KiB
Python

# Copyright (c) 2012 OpenStack Foundation.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import testtools
from neutron.common import exceptions as n_exc
from neutron.common import utils
from neutron.plugins.common import utils as plugin_utils
from neutron.tests import base
class TestParseMappings(base.BaseTestCase):
def parse(self, mapping_list, unique_values=True):
return utils.parse_mappings(mapping_list, unique_values)
def test_parse_mappings_fails_for_missing_separator(self):
with testtools.ExpectedException(ValueError):
self.parse(['key'])
def test_parse_mappings_fails_for_missing_key(self):
with testtools.ExpectedException(ValueError):
self.parse([':val'])
def test_parse_mappings_fails_for_missing_value(self):
with testtools.ExpectedException(ValueError):
self.parse(['key:'])
def test_parse_mappings_fails_for_extra_separator(self):
with testtools.ExpectedException(ValueError):
self.parse(['key:val:junk'])
def test_parse_mappings_fails_for_duplicate_key(self):
with testtools.ExpectedException(ValueError):
self.parse(['key:val1', 'key:val2'])
def test_parse_mappings_fails_for_duplicate_value(self):
with testtools.ExpectedException(ValueError):
self.parse(['key1:val', 'key2:val'])
def test_parse_mappings_succeeds_for_one_mapping(self):
self.assertEqual(self.parse(['key:val']), {'key': 'val'})
def test_parse_mappings_succeeds_for_n_mappings(self):
self.assertEqual(self.parse(['key1:val1', 'key2:val2']),
{'key1': 'val1', 'key2': 'val2'})
def test_parse_mappings_succeeds_for_duplicate_value(self):
self.assertEqual(self.parse(['key1:val', 'key2:val'], False),
{'key1': 'val', 'key2': 'val'})
def test_parse_mappings_succeeds_for_no_mappings(self):
self.assertEqual(self.parse(['']), {})
class UtilTestParseVlanRanges(base.BaseTestCase):
_err_prefix = "Invalid network VLAN range: '"
_err_too_few = "' - 'need more than 2 values to unpack'"
_err_too_many = "' - 'too many values to unpack'"
_err_not_int = "' - 'invalid literal for int() with base 10: '%s''"
_err_bad_vlan = "' - '%s is not a valid VLAN tag'"
_err_range = "' - 'End of VLAN range is less than start of VLAN range'"
def _range_too_few_err(self, nv_range):
return self._err_prefix + nv_range + self._err_too_few
def _range_too_many_err(self, nv_range):
return self._err_prefix + nv_range + self._err_too_many
def _vlan_not_int_err(self, nv_range, vlan):
return self._err_prefix + nv_range + (self._err_not_int % vlan)
def _nrange_invalid_vlan(self, nv_range, n):
vlan = nv_range.split(':')[n]
v_range = ':'.join(nv_range.split(':')[1:])
return self._err_prefix + v_range + (self._err_bad_vlan % vlan)
def _vrange_invalid_vlan(self, v_range_tuple, n):
vlan = v_range_tuple[n - 1]
v_range_str = '%d:%d' % v_range_tuple
return self._err_prefix + v_range_str + (self._err_bad_vlan % vlan)
def _vrange_invalid(self, v_range_tuple):
v_range_str = '%d:%d' % v_range_tuple
return self._err_prefix + v_range_str + self._err_range
class TestVlanRangeVerifyValid(UtilTestParseVlanRanges):
def verify_range(self, vlan_range):
return plugin_utils.verify_vlan_range(vlan_range)
def test_range_valid_ranges(self):
self.assertIsNone(self.verify_range((1, 2)))
self.assertIsNone(self.verify_range((1, 1999)))
self.assertIsNone(self.verify_range((100, 100)))
self.assertIsNone(self.verify_range((100, 200)))
self.assertIsNone(self.verify_range((4001, 4094)))
self.assertIsNone(self.verify_range((1, 4094)))
def check_one_vlan_invalid(self, bad_range, which):
expected_msg = self._vrange_invalid_vlan(bad_range, which)
err = self.assertRaises(n_exc.NetworkVlanRangeError,
self.verify_range, bad_range)
self.assertEqual(str(err), expected_msg)
def test_range_first_vlan_invalid_negative(self):
self.check_one_vlan_invalid((-1, 199), 1)
def test_range_first_vlan_invalid_zero(self):
self.check_one_vlan_invalid((0, 199), 1)
def test_range_first_vlan_invalid_limit_plus_one(self):
self.check_one_vlan_invalid((4095, 199), 1)
def test_range_first_vlan_invalid_too_big(self):
self.check_one_vlan_invalid((9999, 199), 1)
def test_range_second_vlan_invalid_negative(self):
self.check_one_vlan_invalid((299, -1), 2)
def test_range_second_vlan_invalid_zero(self):
self.check_one_vlan_invalid((299, 0), 2)
def test_range_second_vlan_invalid_limit_plus_one(self):
self.check_one_vlan_invalid((299, 4095), 2)
def test_range_second_vlan_invalid_too_big(self):
self.check_one_vlan_invalid((299, 9999), 2)
def test_range_both_vlans_invalid_01(self):
self.check_one_vlan_invalid((-1, 0), 1)
def test_range_both_vlans_invalid_02(self):
self.check_one_vlan_invalid((0, 4095), 1)
def test_range_both_vlans_invalid_03(self):
self.check_one_vlan_invalid((4095, 9999), 1)
def test_range_both_vlans_invalid_04(self):
self.check_one_vlan_invalid((9999, -1), 1)
def test_range_reversed(self):
bad_range = (95, 10)
expected_msg = self._vrange_invalid(bad_range)
err = self.assertRaises(n_exc.NetworkVlanRangeError,
self.verify_range, bad_range)
self.assertEqual(str(err), expected_msg)
class TestParseOneVlanRange(UtilTestParseVlanRanges):
def parse_one(self, cfg_entry):
return plugin_utils.parse_network_vlan_range(cfg_entry)
def test_parse_one_net_no_vlan_range(self):
config_str = "net1"
expected_networks = ("net1", None)
self.assertEqual(self.parse_one(config_str), expected_networks)
def test_parse_one_net_and_vlan_range(self):
config_str = "net1:100:199"
expected_networks = ("net1", (100, 199))
self.assertEqual(self.parse_one(config_str), expected_networks)
def test_parse_one_net_incomplete_range(self):
config_str = "net1:100"
expected_msg = self._range_too_few_err(config_str)
err = self.assertRaises(n_exc.NetworkVlanRangeError,
self.parse_one, config_str)
self.assertEqual(str(err), expected_msg)
def test_parse_one_net_range_too_many(self):
config_str = "net1:100:150:200"
expected_msg = self._range_too_many_err(config_str)
err = self.assertRaises(n_exc.NetworkVlanRangeError,
self.parse_one, config_str)
self.assertEqual(str(err), expected_msg)
def test_parse_one_net_vlan1_not_int(self):
config_str = "net1:foo:199"
expected_msg = self._vlan_not_int_err(config_str, 'foo')
err = self.assertRaises(n_exc.NetworkVlanRangeError,
self.parse_one, config_str)
self.assertEqual(str(err), expected_msg)
def test_parse_one_net_vlan2_not_int(self):
config_str = "net1:100:bar"
expected_msg = self._vlan_not_int_err(config_str, 'bar')
err = self.assertRaises(n_exc.NetworkVlanRangeError,
self.parse_one, config_str)
self.assertEqual(str(err), expected_msg)
def test_parse_one_net_and_max_range(self):
config_str = "net1:1:4094"
expected_networks = ("net1", (1, 4094))
self.assertEqual(self.parse_one(config_str), expected_networks)
def test_parse_one_net_range_bad_vlan1(self):
config_str = "net1:9000:150"
expected_msg = self._nrange_invalid_vlan(config_str, 1)
err = self.assertRaises(n_exc.NetworkVlanRangeError,
self.parse_one, config_str)
self.assertEqual(str(err), expected_msg)
def test_parse_one_net_range_bad_vlan2(self):
config_str = "net1:4000:4999"
expected_msg = self._nrange_invalid_vlan(config_str, 2)
err = self.assertRaises(n_exc.NetworkVlanRangeError,
self.parse_one, config_str)
self.assertEqual(str(err), expected_msg)
class TestParseVlanRangeList(UtilTestParseVlanRanges):
def parse_list(self, cfg_entries):
return plugin_utils.parse_network_vlan_ranges(cfg_entries)
def test_parse_list_one_net_no_vlan_range(self):
config_list = ["net1"]
expected_networks = {"net1": []}
self.assertEqual(self.parse_list(config_list), expected_networks)
def test_parse_list_one_net_vlan_range(self):
config_list = ["net1:100:199"]
expected_networks = {"net1": [(100, 199)]}
self.assertEqual(self.parse_list(config_list), expected_networks)
def test_parse_two_nets_no_vlan_range(self):
config_list = ["net1",
"net2"]
expected_networks = {"net1": [],
"net2": []}
self.assertEqual(self.parse_list(config_list), expected_networks)
def test_parse_two_nets_range_and_no_range(self):
config_list = ["net1:100:199",
"net2"]
expected_networks = {"net1": [(100, 199)],
"net2": []}
self.assertEqual(self.parse_list(config_list), expected_networks)
def test_parse_two_nets_no_range_and_range(self):
config_list = ["net1",
"net2:200:299"]
expected_networks = {"net1": [],
"net2": [(200, 299)]}
self.assertEqual(self.parse_list(config_list), expected_networks)
def test_parse_two_nets_bad_vlan_range1(self):
config_list = ["net1:100",
"net2:200:299"]
expected_msg = self._range_too_few_err(config_list[0])
err = self.assertRaises(n_exc.NetworkVlanRangeError,
self.parse_list, config_list)
self.assertEqual(str(err), expected_msg)
def test_parse_two_nets_vlan_not_int2(self):
config_list = ["net1:100:199",
"net2:200:0x200"]
expected_msg = self._vlan_not_int_err(config_list[1], '0x200')
err = self.assertRaises(n_exc.NetworkVlanRangeError,
self.parse_list, config_list)
self.assertEqual(str(err), expected_msg)
def test_parse_two_nets_and_append_1_2(self):
config_list = ["net1:100:199",
"net1:1000:1099",
"net2:200:299"]
expected_networks = {"net1": [(100, 199),
(1000, 1099)],
"net2": [(200, 299)]}
self.assertEqual(self.parse_list(config_list), expected_networks)
def test_parse_two_nets_and_append_1_3(self):
config_list = ["net1:100:199",
"net2:200:299",
"net1:1000:1099"]
expected_networks = {"net1": [(100, 199),
(1000, 1099)],
"net2": [(200, 299)]}
self.assertEqual(self.parse_list(config_list), expected_networks)
class TestDictUtils(base.BaseTestCase):
def test_dict2str(self):
dic = {"key1": "value1", "key2": "value2", "key3": "value3"}
expected = "key1=value1,key2=value2,key3=value3"
self.assertEqual(utils.dict2str(dic), expected)
def test_str2dict(self):
string = "key1=value1,key2=value2,key3=value3"
expected = {"key1": "value1", "key2": "value2", "key3": "value3"}
self.assertEqual(utils.str2dict(string), expected)
def test_dict_str_conversion(self):
dic = {"key1": "value1", "key2": "value2"}
self.assertEqual(utils.str2dict(utils.dict2str(dic)), dic)
def test_diff_list_of_dict(self):
old_list = [{"key1": "value1"},
{"key2": "value2"},
{"key3": "value3"}]
new_list = [{"key1": "value1"},
{"key2": "value2"},
{"key4": "value4"}]
added, removed = utils.diff_list_of_dict(old_list, new_list)
self.assertEqual(added, [dict(key4="value4")])
self.assertEqual(removed, [dict(key3="value3")])