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# Copyright (c) 2016-2017 Intel Corporation
#
# 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.
#
# Unittest for yardstick.network_services.utils
import os
import unittest
import mock
from yardstick.network_services import utils
class UtilsTestCase(unittest.TestCase):
"""Test all VNF helper methods."""
DPDK_PATH = os.path.join(utils.NSB_ROOT, "dpdk-devbind.py")
def setUp(self):
super(UtilsTestCase, self).setUp()
def test_get_nsb_options(self):
result = utils.get_nsb_option("bin_path", None)
self.assertEqual(result, utils.NSB_ROOT)
def test_get_nsb_option_is_invalid_key(self):
result = utils.get_nsb_option("bin", None)
self.assertEqual(result, None)
def test_get_nsb_option_default(self):
default = object()
result = utils.get_nsb_option("nosuch", default)
self.assertIs(result, default)
def test_provision_tool(self):
with mock.patch("yardstick.ssh.SSH") as ssh:
ssh_mock = mock.Mock(autospec=ssh.SSH)
ssh_mock.execute = \
mock.Mock(return_value=(0, self.DPDK_PATH, ""))
ssh.return_value = ssh_mock
tool_path = utils.provision_tool(ssh_mock, self.DPDK_PATH)
self.assertEqual(tool_path, self.DPDK_PATH)
def test_provision_tool_no_path(self):
with mock.patch("yardstick.ssh.SSH") as ssh:
ssh_mock = mock.Mock(autospec=ssh.SSH)
ssh_mock.execute = \
mock.Mock(return_value=(1, self.DPDK_PATH, ""))
ssh.return_value = ssh_mock
tool_path = utils.provision_tool(ssh_mock, self.DPDK_PATH)
self.assertEqual(tool_path, self.DPDK_PATH)
class PciAddressTestCase(unittest.TestCase):
PCI_ADDRESS_DBSF = '000A:07:03.2'
PCI_ADDRESS_BSF = '06:02.1'
PCI_ADDRESS_DBSF_MULTILINE_1 = '0001:08:04.3\nother text\n'
PCI_ADDRESS_DBSF_MULTILINE_2 = 'first line\n 0001:08:04.3 \nother text\n'
# Will match and return the first address found.
PCI_ADDRESS_DBSF_MULTILINE_3 = ' 0001:08:04.1 \n 05:03.1 \nother\n'
PCI_ADDRESS_BSF_MULTILINE_1 = 'first line\n 08:04.3 \n 0002:05:03.1\n'
BAD_INPUT_1 = 'no address found'
BAD_INPUT_2 = '001:08:04.1'
BAD_INPUT_3 = '08:4.1'
def test_pciaddress_dbsf(self):
pci_address = utils.PciAddress(PciAddressTestCase.PCI_ADDRESS_DBSF)
self.assertEqual('000a', pci_address.domain)
self.assertEqual('07', pci_address.bus)
self.assertEqual('03', pci_address.slot)
self.assertEqual('2', pci_address.function)
def test_pciaddress_bsf(self):
pci_address = utils.PciAddress(PciAddressTestCase.PCI_ADDRESS_BSF)
self.assertEqual('0000', pci_address.domain)
self.assertEqual('06', pci_address.bus)
self.assertEqual('02', pci_address.slot)
self.assertEqual('1', pci_address.function)
def test_pciaddress_dbsf_multiline_1(self):
pci_address = utils.PciAddress(
PciAddressTestCase.PCI_ADDRESS_DBSF_MULTILINE_1)
self.assertEqual('0001', pci_address.domain)
self.assertEqual('08', pci_address.bus)
self.assertEqual('04', pci_address.slot)
self.assertEqual('3', pci_address.function)
def test_pciaddress_dbsf_multiline_2(self):
pci_address = utils.PciAddress(
PciAddressTestCase.PCI_ADDRESS_DBSF_MULTILINE_2)
self.assertEqual('0001', pci_address.domain)
self.assertEqual('08', pci_address.bus)
self.assertEqual('04', pci_address.slot)
self.assertEqual('3', pci_address.function)
def test_pciaddress_dbsf_multiline_3(self):
pci_address = utils.PciAddress(
PciAddressTestCase.PCI_ADDRESS_DBSF_MULTILINE_3)
self.assertEqual('0001', pci_address.domain)
self.assertEqual('08', pci_address.bus)
self.assertEqual('04', pci_address.slot)
self.assertEqual('1', pci_address.function)
def test_pciaddress_bsf_multiline_1(self):
pci_address = utils.PciAddress(
PciAddressTestCase.PCI_ADDRESS_BSF_MULTILINE_1)
self.assertEqual('0000', pci_address.domain)
self.assertEqual('08', pci_address.bus)
self.assertEqual('04', pci_address.slot)
self.assertEqual('3', pci_address.function)
def test_pciaddress_bad_input_no_address(self):
with self.assertRaises(ValueError) as exception:
utils.PciAddress(PciAddressTestCase.BAD_INPUT_1)
self.assertEqual('Invalid PCI address: {}'.format(
PciAddressTestCase.BAD_INPUT_1), str(exception.exception))
def test_pciaddress_bad_input_dbsf_bad_formatted(self):
# In this test case, the domain has only 3 characters instead of 4.
pci_address = utils.PciAddress(
PciAddressTestCase.BAD_INPUT_2)
self.assertEqual('0000', pci_address.domain)
self.assertEqual('08', pci_address.bus)
self.assertEqual('04', pci_address.slot)
self.assertEqual('1', pci_address.function)
def test_pciaddress_bad_input_bsf_bad_formatted(self):
with self.assertRaises(ValueError) as exception:
utils.PciAddress(PciAddressTestCase.BAD_INPUT_3)
self.assertEqual('Invalid PCI address: {}'.format(
PciAddressTestCase.BAD_INPUT_3), str(exception.exception))
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