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authorahothan <ahothan@cisco.com>2017-10-13 00:30:22 -0700
committerahothan <ahothan@cisco.com>2017-10-20 00:37:14 -0700
commitaf564a30bcf5574ac444b59bd0434207667dcb28 (patch)
tree7e0802d0a95f72aaa655b8c86a1ba1120a4483c8 /test/test_nfvbench.py
parentf37418c3f04d8fb3fcbc7a58443ac5572c7584a2 (diff)
NFVBENCH-5 NFVBENCH-39 Fix long prep time with large number of flows
Fix bad ip addr count with step>0.0.0.1 Add unit test code Change-Id: Ia1a3ae5188984aa0ed1f31954f17063a6f2925fd Signed-off-by: ahothan <ahothan@cisco.com>
Diffstat (limited to 'test/test_nfvbench.py')
-rw-r--r--test/test_nfvbench.py114
1 files changed, 97 insertions, 17 deletions
diff --git a/test/test_nfvbench.py b/test/test_nfvbench.py
index ff4625b..3eb1cb2 100644
--- a/test/test_nfvbench.py
+++ b/test/test_nfvbench.py
@@ -17,12 +17,12 @@
from attrdict import AttrDict
import logging
from nfvbench.config import config_loads
-from nfvbench.connection import SSH
from nfvbench.credentials import Credentials
from nfvbench.fluentd import FluentLogHandler
import nfvbench.log
from nfvbench.network import Interface
from nfvbench.network import Network
+from nfvbench.specs import ChainType
from nfvbench.specs import Encaps
import nfvbench.traffic_gen.traffic_utils as traffic_utils
import os
@@ -32,22 +32,6 @@ __location__ = os.path.realpath(os.path.join(os.getcwd(),
os.path.dirname(__file__)))
-@pytest.fixture
-def ssh(monkeypatch):
- def mock_init(self, ssh_access, *args, **kwargs):
- self.ssh_access = ssh_access
- if ssh_access.private_key:
- self.pkey = self._get_pkey(ssh_access.private_key)
- else:
- self.pkey = None
- self._client = False
- self.connect_timeout = 2
- self.connect_retry_count = 1
- self.connect_retry_wait_sec = 1
- super(SSH, self).__init__()
-
- monkeypatch.setattr(SSH, '__init__', mock_init)
-
@pytest.fixture
def openstack_vxlan_spec():
@@ -646,6 +630,102 @@ def test_no_credentials():
else:
assert True
+import socket
+import sys
+
+# Because trex_stl_lib may not be installed when running unit test
+# nfvbench.traffic_client will try to import STLError:
+# from trex_stl_lib.api import STLError
+# will raise ImportError: No module named trex_stl_lib.api
+try:
+ import trex_stl_lib.api
+except ImportError:
+ # Make up a trex_stl_lib.api.STLError class
+ class STLError(Exception):
+ pass
+ from types import ModuleType
+ stl_lib_mod = ModuleType('trex_stl_lib')
+ sys.modules['trex_stl_lib'] = stl_lib_mod
+ api_mod = ModuleType('trex_stl_lib.api')
+ stl_lib_mod.api = api_mod
+ sys.modules['trex_stl_lib.api'] = api_mod
+ api_mod.STLError = STLError
+
+from nfvbench.traffic_client import Device
+from nfvbench.traffic_client import IpBlock
+
+
+def test_ip_block():
+ ipb = IpBlock('10.0.0.0', '0.0.0.1', 256)
+ assert(ipb.get_ip() == '10.0.0.0')
+ assert(ipb.get_ip(255) == '10.0.0.255')
+ with pytest.raises(IndexError):
+ ipb.get_ip(256)
+ # verify with step larger than 1
+ ipb = IpBlock('10.0.0.0', '0.0.0.2', 256)
+ assert(ipb.get_ip() == '10.0.0.0')
+ assert(ipb.get_ip(1) == '10.0.0.2')
+ assert(ipb.get_ip(128) == '10.0.1.0')
+ assert(ipb.get_ip(255) == '10.0.1.254')
+ with pytest.raises(IndexError):
+ ipb.get_ip(256)
+
+def check_config(configs, cc, fc, src_ip, dst_ip, step_ip):
+ '''Verify that the range configs for each chain have adjacent IP ranges
+ of the right size and without holes between chains
+ '''
+ step = Device.ip_to_int(step_ip)
+ cfc = 0
+ sip = Device.ip_to_int(src_ip)
+ dip = Device.ip_to_int(dst_ip)
+ for index in range(cc):
+ config = configs[index]
+ assert(config['ip_src_count'] == config['ip_dst_count'])
+ assert(Device.ip_to_int(config['ip_src_addr']) == sip)
+ assert(Device.ip_to_int(config['ip_dst_addr']) == dip)
+ count = config['ip_src_count']
+ cfc += count
+ sip += count * step
+ dip += count * step
+ assert(cfc == fc)
+
+def create_device(fc, cc, ip, gip, tggip, step_ip):
+ return Device(0, 0, flow_count=fc, chain_count=cc, ip=ip, gateway_ip=gip, tg_gateway_ip=tggip,
+ ip_addrs_step=step_ip,
+ tg_gateway_ip_addrs_step=step_ip,
+ gateway_ip_addrs_step=step_ip)
+
+def check_device_flow_config(step_ip):
+ fc = 99999
+ cc = 10
+ ip0 = '10.0.0.0'
+ ip1 = '20.0.0.0'
+ tggip = '50.0.0.0'
+ gip = '60.0.0.0'
+ dev0 = create_device(fc, cc, ip0, gip, tggip, step_ip)
+ dev1 = create_device(fc, cc, ip1, gip, tggip, step_ip)
+ dev0.set_destination(dev1)
+ configs = dev0.get_stream_configs(ChainType.EXT)
+ check_config(configs, cc, fc, ip0, ip1, step_ip)
+
+def test_device_flow_config():
+ check_device_flow_config('0.0.0.1')
+ check_device_flow_config('0.0.0.2')
+
+def test_device_ip_range():
+ def is_ip_range_disjoint(ip0, ip1, flows):
+ tggip = '50.0.0.0'
+ gip = '60.0.0.0'
+ dev0 = create_device(flows, 10, ip0, gip, tggip, '0.0.0.1')
+ dev1 = create_device(flows, 10, ip1, gip, tggip, '0.0.0.1')
+ dev0.set_destination(dev1)
+ return dev0.is_ip_range_disjoint()
+ assert(is_ip_range_disjoint('10.0.0.0', '20.0.0.0', 10000))
+ assert(not is_ip_range_disjoint('10.0.0.0', '10.0.1.0', 10000))
+ assert(not is_ip_range_disjoint('10.0.0.0', '10.0.1.0', 257))
+ assert(not is_ip_range_disjoint('10.0.1.0', '10.0.0.0', 257))
+
+
def test_config():
refcfg = {1: 100, 2: {21: 100, 22: 200}, 3: None}
res1 = {1: 10, 2: {21: 100, 22: 200}, 3: None}