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# Copyright 2013 Intel Corporation
# All Rights Reserved.
#
# 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.
"""Tests for PCI request."""
from nova import exception
from nova.pci import pci_request as pci_request
from nova import test
_fake_alias1 = """{
"name": "QuicAssist",
"capability_type": "pci",
"product_id": "4443",
"vendor_id": "8086",
"device_type": "ACCEL"
}"""
_fake_alias11 = """{
"name": "QuicAssist",
"capability_type": "pci",
"product_id": "4444",
"vendor_id": "8086",
"device_type": "ACCEL"
}"""
_fake_alias2 = """{
"name": "xxx",
"capability_type": "pci",
"product_id": "1111",
"vendor_id": "1111",
"device_type": "N"
}"""
_fake_alias3 = """{
"name": "IntelNIC",
"capability_type": "pci",
"product_id": "1111",
"vendor_id": "8086",
"device_type": "NIC"
}"""
class AliasTestCase(test.NoDBTestCase):
def test_good_alias(self):
self.flags(pci_alias=[_fake_alias1])
als = pci_request._get_alias_from_config()
self.assertIsInstance(als['QuicAssist'], list)
expect_dict = {
"capability_type": "pci",
"product_id": "4443",
"vendor_id": "8086",
"device_type": "ACCEL"
}
self.assertEqual(expect_dict, als['QuicAssist'][0])
def test_multispec_alias(self):
self.flags(pci_alias=[_fake_alias1, _fake_alias11])
als = pci_request._get_alias_from_config()
self.assertIsInstance(als['QuicAssist'], list)
expect_dict1 = {
"capability_type": "pci",
"product_id": "4443",
"vendor_id": "8086",
"device_type": "ACCEL"
}
expect_dict2 = {
"capability_type": "pci",
"product_id": "4444",
"vendor_id": "8086",
"device_type": "ACCEL"
}
self.assertEqual(expect_dict1, als['QuicAssist'][0])
self.assertEqual(expect_dict2, als['QuicAssist'][1])
def test_wrong_type_aliase(self):
self.flags(pci_alias=[_fake_alias2])
self.assertRaises(exception.PciInvalidAlias,
pci_request._get_alias_from_config)
def test_wrong_product_id_aliase(self):
self.flags(pci_alias=[
"""{
"name": "xxx",
"capability_type": "pci",
"product_id": "g111",
"vendor_id": "1111",
"device_type": "NIC"
}"""])
self.assertRaises(exception.PciInvalidAlias,
pci_request._get_alias_from_config)
def test_wrong_vendor_id_aliase(self):
self.flags(pci_alias=[
"""{
"name": "xxx",
"capability_type": "pci",
"product_id": "1111",
"vendor_id": "0xg111",
"device_type": "NIC"
}"""])
self.assertRaises(exception.PciInvalidAlias,
pci_request._get_alias_from_config)
def test_wrong_cap_type_aliase(self):
self.flags(pci_alias=[
"""{
"name": "xxx",
"capability_type": "usb",
"product_id": "1111",
"vendor_id": "8086",
"device_type": "NIC"
}"""])
self.assertRaises(exception.PciInvalidAlias,
pci_request._get_alias_from_config)
def test_dup_aliase(self):
self.flags(pci_alias=[
"""{
"name": "xxx",
"capability_type": "pci",
"product_id": "1111",
"vendor_id": "8086",
"device_type": "NIC"
}""",
"""{
"name": "xxx",
"capability_type": "pci",
"product_id": "1111",
"vendor_id": "8086",
"device_type": "ACCEL"
}"""])
self.assertRaises(
exception.PciInvalidAlias,
pci_request._get_alias_from_config)
def _verify_result(self, expected, real):
exp_real = zip(expected, real)
for exp, real in exp_real:
self.assertEqual(exp['count'], real.count)
self.assertEqual(exp['alias_name'], real.alias_name)
self.assertEqual(exp['spec'], real.spec)
def test_aliase_2_request(self):
self.flags(pci_alias=[_fake_alias1, _fake_alias3])
expect_request = [
{'count': 3,
'spec': [{'vendor_id': '8086', 'product_id': '4443',
'device_type': 'ACCEL',
'capability_type': 'pci'}],
'alias_name': 'QuicAssist'},
{'count': 1,
'spec': [{'vendor_id': '8086', 'product_id': '1111',
'device_type': "NIC",
'capability_type': 'pci'}],
'alias_name': 'IntelNIC'}, ]
requests = pci_request._translate_alias_to_requests(
"QuicAssist : 3, IntelNIC: 1")
self.assertEqual(set([p['count'] for p in requests]), set([1, 3]))
self._verify_result(expect_request, requests)
def test_aliase_2_request_invalid(self):
self.flags(pci_alias=[_fake_alias1, _fake_alias3])
self.assertRaises(exception.PciRequestAliasNotDefined,
pci_request._translate_alias_to_requests,
"QuicAssistX : 3")
def test_get_pci_requests_from_flavor(self):
self.flags(pci_alias=[_fake_alias1, _fake_alias3])
expect_request = [
{'count': 3,
'spec': [{'vendor_id': '8086', 'product_id': '4443',
'device_type': "ACCEL",
'capability_type': 'pci'}],
'alias_name': 'QuicAssist'},
{'count': 1,
'spec': [{'vendor_id': '8086', 'product_id': '1111',
'device_type': "NIC",
'capability_type': 'pci'}],
'alias_name': 'IntelNIC'}, ]
flavor = {'extra_specs': {"pci_passthrough:alias":
"QuicAssist:3, IntelNIC: 1"}}
requests = pci_request.get_pci_requests_from_flavor(flavor)
self.assertEqual(set([1, 3]),
set([p.count for p in requests.requests]))
self._verify_result(expect_request, requests.requests)
def test_get_pci_requests_from_flavor_no_extra_spec(self):
self.flags(pci_alias=[_fake_alias1, _fake_alias3])
flavor = {}
requests = pci_request.get_pci_requests_from_flavor(flavor)
self.assertEqual([], requests.requests)
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