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webvirtcloud/vrtManager/tests/test_interface_xml.py
catborise bdc8a6755c test: each test is in the tests package of the code it tests
Tests that build vrtManager objects and touch no view, form or model of
an app lived in that app; vrtManager/tests already holds such tests, so
the convention was split. They move to vrtManager/tests: the firmware,
CPU mode and PCIe port definitions of a new VM (test_create), USB and PCI
host devices, the console listener, host CPU reads, interface reads,
deletes and XML, network filters, PCI passthrough rules, node devices,
network changes, addresses and leases, pool XML, secrets, and the live
tests that use vrtManager only (disk resize, ISO, snapshots, XML, live
clone). livetest.py, the live-test helper six apps import, and the
network test driver move with them.

Others go to their app: the quota with a host down to instances, the
401/403 Logs rows (webvirtcloud's middleware) to webvirtcloud, the VM
page's tab script test to instances, novncd's own tests out of the
console views tests, the compute lock and input validation tests out of
the computes views tests, the interface views out of the forms tests.
instances/tests/test_views.py, entirely live, is test_live_views.py.

Test modules imported fixtures from each other; shared ones are now in
vrtManager/tests/fakes.py (migration fakes, node devices, IOMMU groups,
leases, a NAT network, a Ceph secret), interfaces/tests/fakes.py,
console/tests/daemons.py (novncd loaded once), livetest.wait_for and
instances/tests/create_page.BODY. Every live test checks
livetest.enabled(). The suite runs the same 2097 tests.
2026-11-06 13:48:04 +03:00

131 lines
6.1 KiB
Python

"""The interface XML wvmInterfaces writes from the form's values: IPv4,
IPv6 and a bridge's member."""
from unittest.mock import MagicMock
import libvirt
from django.test import SimpleTestCase
from lxml import etree
from vrtManager.interface import wvmInterfaces
class Ipv6XmlTestCase(SimpleTestCase):
def xml(self, gw):
conn = wvmInterfaces.__new__(wvmInterfaces)
conn.wvm = MagicMock()
conn.define_iface = MagicMock()
conn.get_iface = MagicMock()
conn.get_iface.return_value.XMLDesc.return_value = "<interface type='ethernet' name='eth1'/>"
conn.create_iface("br1", "bridge", "onboot", "eth1", "none", "", "", "static", "2001:db8::10/64", gw, "on", 0)
return etree.fromstring(conn.define_iface.call_args[0][0])
def test_static_address_with_gateway(self):
proto = self.xml("2001:db8::1").find("protocol[@family='ipv6']")
self.assertEqual(proto.find("ip").attrib, {"address": "2001:db8::10", "prefix": "64"})
self.assertEqual(proto.find("route").get("gateway"), "2001:db8::1")
def test_no_empty_route_without_gateway(self):
self.assertIsNone(self.xml("").find("protocol[@family='ipv6']/route"))
class Ipv4XmlTestCase(SimpleTestCase):
def xml(self, addr, gw):
conn = wvmInterfaces.__new__(wvmInterfaces)
conn.wvm = MagicMock()
conn.define_iface = MagicMock()
conn.get_iface = MagicMock()
conn.get_iface.return_value.XMLDesc.return_value = "<interface type='ethernet' name='eth1'/>"
conn.create_iface("br1", "bridge", "onboot", "eth1", "static", addr, gw, "none", "", "", "on", 0)
return etree.fromstring(conn.define_iface.call_args[0][0])
def test_static_address_with_gateway(self):
proto = self.xml("192.0.2.10/24", "192.0.2.1").find("protocol[@family='ipv4']")
self.assertEqual(proto.find("ip").attrib, {"address": "192.0.2.10", "prefix": "24"})
self.assertEqual(proto.find("route").get("gateway"), "192.0.2.1")
def test_no_empty_route_without_gateway(self):
self.assertIsNone(self.xml("192.0.2.10/24", "").find("protocol[@family='ipv4']/route"))
def no_interface(name):
err = libvirt.libvirtError("Interface not found: no interface with matching name '%s'" % name)
err.err = (libvirt.VIR_ERR_NO_INTERFACE, libvirt.VIR_FROM_INTERFACE, str(err), 2, name, None, None, 0, 0)
return err
class BridgeMemberXmlTestCase(SimpleTestCase):
"""A bridge member is declared as the host defines it: a bond keeps its
mode and devices, a vlan its tag and device."""
def member(self, host_xml):
conn = wvmInterfaces.__new__(wvmInterfaces)
conn.wvm = MagicMock()
conn.define_iface = MagicMock()
def get_iface(name):
if host_xml is None:
raise no_interface(name)
iface = MagicMock()
iface.XMLDesc.return_value = host_xml
return iface
conn.get_iface = MagicMock(side_effect=get_iface)
conn.create_iface("br1", "bridge", "onboot", "bond0", "none", "", "", "none", "", "", "on", 0)
self.assertTrue(conn.define_iface.return_value.create.called)
members = etree.fromstring(conn.define_iface.call_args[0][0]).findall("bridge/interface")
self.assertEqual(len(members), 1)
return members[0]
def test_a_bond_keeps_its_mode_and_devices(self):
member = self.member(
"<interface type='bond' name='bond0'><start mode='onboot'/><mtu size='9000'/>"
"<protocol family='ipv4'><dhcp/></protocol>"
"<bond mode='active-backup'><miimon freq='100'/>"
"<interface type='ethernet' name='eth0'><mac address='52:54:00:00:00:01'/></interface>"
"<interface type='ethernet' name='eth1'/></bond></interface>"
)
self.assertEqual((member.get("type"), member.get("name")), ("bond", "bond0"))
self.assertEqual(member.find("bond").get("mode"), "active-backup")
self.assertEqual([i.get("name") for i in member.findall("bond/interface")], ["eth0", "eth1"])
self.assertEqual(member.find("bond/miimon").get("freq"), "100")
# what only a top-level interface has: the bridge holds the addresses
for tag in ("start", "mtu", "protocol"):
self.assertIsNone(member.find(tag), tag)
def test_a_vlan_keeps_its_tag_and_device(self):
member = self.member(
"<interface type='vlan' name='bond0'><start mode='onboot'/>"
"<vlan tag='42'><interface name='eth0'/></vlan></interface>"
)
self.assertEqual(member.get("type"), "vlan")
self.assertEqual(member.find("vlan").get("tag"), "42")
self.assertEqual(member.find("vlan/interface").get("name"), "eth0")
self.assertIsNone(member.find("start"))
def test_a_device_the_host_does_not_define_is_ethernet(self):
member = self.member(None)
self.assertEqual(member.attrib, {"type": "ethernet", "name": "bond0"})
def test_other_lookup_errors_are_not_hidden(self):
conn = wvmInterfaces.__new__(wvmInterfaces)
conn.wvm = MagicMock()
conn.define_iface = MagicMock()
err = libvirt.libvirtError("cannot recv data")
err.err = (libvirt.VIR_ERR_SYSTEM_ERROR, libvirt.VIR_FROM_RPC, str(err), 2, None, None, None, 0, 0)
conn.get_iface = MagicMock(side_effect=err)
with self.assertRaises(libvirt.libvirtError):
conn.create_iface("br1", "bridge", "onboot", "bond0", "none", "", "", "none", "", "", "on", 0)
self.assertFalse(conn.define_iface.called)
def test_an_interface_that_does_not_start_is_rolled_back(self):
# the definition, and the member's own configuration it changed, as they were
conn = wvmInterfaces.__new__(wvmInterfaces)
conn.wvm = MagicMock()
conn.define_iface = MagicMock()
iface = conn.define_iface.return_value
iface.create.side_effect = libvirt.libvirtError("failed to bring up br1")
with self.assertRaises(libvirt.libvirtError):
conn.create_iface("br1", "ethernet", "onboot", "", "none", "", "", "none", "", "", "on", 0)
conn.wvm.changeRollback.assert_called_once_with(0)
conn.wvm.changeCommit.assert_not_called()