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# Copyright (C) 2013, 2014 Red Hat, Inc.
#
# This work is licensed under the GNU GPLv2 or later.
# See the COPYING file in the top-level directory.
import io
import os
import unittest
import pytest
import virtinst
from tests import utils
# Misc tests for various virtinst special behavior. These should only aim for
# testing any particularly tricky bits, general XML generation should
# be through virt-install examples in test_cli
def test_misc_cpu_topology():
"""
Various topology calculation corner cases
"""
conn = utils.URIs.open_testdefault_cached()
def get_top(_c):
return [_c.topology.sockets, _c.topology.dies, _c.topology.cores, _c.topology.threads]
cpu = virtinst.DomainCpu(conn)
cpu.set_topology_defaults(6)
assert cpu.topology.sockets is None
cpu = virtinst.DomainCpu(conn)
cpu.set_topology_defaults(6, create=True)
assert get_top(cpu) == [1, 1, 6, 1]
cpu = virtinst.DomainCpu(conn)
cpu.topology.sockets = "2"
cpu.set_topology_defaults(6)
assert get_top(cpu) == [2, 1, 3, 1]
cpu = virtinst.DomainCpu(conn)
cpu.topology.dies = "3"
cpu.set_topology_defaults(9)
assert get_top(cpu) == [1, 3, 3, 1]
cpu = virtinst.DomainCpu(conn)
cpu.topology.cores = "4"
cpu.set_topology_defaults(8)
assert get_top(cpu) == [2, 1, 4, 1]
cpu = virtinst.DomainCpu(conn)
cpu.topology.threads = "3"
cpu.set_topology_defaults(12)
assert get_top(cpu) == [1, 1, 4, 3]
cpu = virtinst.DomainCpu(conn)
cpu.topology.threads = "3"
with pytest.raises(ValueError):
cpu.set_topology_defaults(14)
cpu = virtinst.DomainCpu(conn)
cpu.topology.sockets = 5
cpu.topology.cores = 2
assert cpu.vcpus_from_topology() == 10
cpu = virtinst.DomainCpu(conn)
cpu.topology.sockets = 3
cpu.topology.dies = 2
cpu.topology.cores = 2
assert cpu.vcpus_from_topology() == 12
cpu = virtinst.DomainCpu(conn)
assert cpu.vcpus_from_topology() == 1
def test_misc_guest_osinfo_metadata():
"""
Test that reading an unknown OS ID from guest XML will not blow up
"""
# pylint: disable=protected-access
g = virtinst.Guest(utils.URIs.open_testdefault_cached())
g._metadata.libosinfo.os_id = "http://fedoraproject.org/fedora/20"
assert g.osinfo.name == "fedora20"
g = virtinst.Guest(utils.URIs.open_testdefault_cached())
g._metadata.libosinfo.os_id = "http://example.com/idontexit"
assert g.osinfo.name == "generic"
def test_misc_nonpredicatble_generate():
"""
Bypass our testsuite 'predicatable' handling to test actual random output
"""
from virtinst import cli
predconn = utils.URIs.open_testdefault_cached()
kvm_uri = utils.URIs.kvm_x86.replace(",predictable", "")
kvmconn = cli.getConnection(kvm_uri)
testconn = cli.getConnection("test:///default")
testuuid = virtinst.Guest.generate_uuid(predconn)
randomuuid = virtinst.Guest.generate_uuid(testconn)
assert randomuuid != testuuid
assert len(randomuuid) == len(testuuid)
testmac = virtinst.DeviceInterface.generate_mac(predconn)
randommac = virtinst.DeviceInterface.generate_mac(testconn)
qemumac = virtinst.DeviceInterface.generate_mac(kvmconn)
assert randommac != testmac
assert qemumac != testmac
assert len(randommac) == len(testmac)
# Ensure check_mac_in_use doesn't error on None
virtinst.DeviceInterface.check_mac_in_use(predconn, None)
def test_misc_support_cornercases():
"""
Test support.py corner cases
"""
conn = utils.URIs.open_testdefault_cached()
try:
conn.lookupByName("foobar-idontexist")
except Exception as e:
if not conn.support.is_libvirt_error_no_domain(e):
raise
def test_misc_osxml_cornercases():
"""
Test OSXML corner cases
"""
conn = utils.URIs.open_testdefault_cached()
guest = virtinst.Guest(conn)
guest.os.set_initargs_string("foo bar")
guest.os.set_initargs_string("baz wibble")
assert [i.val for i in guest.os.initargs] == ["baz", "wibble"]
def test_misc_cpu_cornercases():
"""
Hit the validation paths for default HOST_MODEL_ONLY
"""
kvmconn = utils.URIs.open_kvm()
guest = virtinst.Guest(kvmconn)
guest.x86_cpu_default = guest.cpu.SPECIAL_MODE_HOST_MODEL_ONLY
guest.set_defaults(guest)
assert guest.cpu.model == "Skylake-Client-noTSX-IBRS"
# pylint: disable=protected-access
guest.cpu.model = "idontexist"
guest.cpu._validate_default_host_model_only(guest)
assert guest.cpu.model is None
def test_misc_meter():
"""
Test coverage of our urlgrabber meter copy
"""
# pylint: disable=protected-access
from virtinst import _progresspriv
def _test_meter_values(m, startval=10000, text="Meter text test"):
with unittest.mock.patch("time.time", return_value=1.0):
m.start(text, startval)
with unittest.mock.patch("time.time", return_value=1.1):
m.update(0)
with unittest.mock.patch("time.time", return_value=1.5):
m.update(0)
with unittest.mock.patch("time.time", return_value=2.0):
m.update(100)
with unittest.mock.patch("time.time", return_value=3.0):
m.update(200)
with unittest.mock.patch("time.time", return_value=4.0):
m.update(2000)
with unittest.mock.patch("time.time", return_value=5.0):
m.update(4000)
with unittest.mock.patch("time.time", return_value=5.1):
m.update(4500)
with unittest.mock.patch("time.time", return_value=5.5):
m.end()
# Basic output testing
meter = _progresspriv.TextMeter(output=io.StringIO())
_test_meter_values(meter)
out = meter.output.getvalue().replace("\r", "\n")
utils.diff_compare(out, os.path.join(utils.DATADIR, "meter", "meter1.txt"))
# Fake having a longer terminal, it affects output a bit
meter = _progresspriv.TextMeter(output=io.StringIO())
_progresspriv._term_width_val = 120
_test_meter_values(meter)
_progresspriv._term_width_val = 80
out = meter.output.getvalue().replace("\r", "\n")
utils.diff_compare(out, os.path.join(utils.DATADIR, "meter", "meter2.txt"))
# meter with size=None
meter = _progresspriv.TextMeter(output=io.StringIO())
_test_meter_values(meter, None)
out = meter.output.getvalue().replace("\r", "\n")
utils.diff_compare(out, os.path.join(utils.DATADIR, "meter", "meter3.txt"))
# meter with size=None and small terminal size
meter = _progresspriv.TextMeter(output=io.StringIO())
_progresspriv._term_width_val = 11
_test_meter_values(meter, None, "1234567890")
assert meter.re.fraction_read() is None
_progresspriv._term_width_val = 80
out = meter.output.getvalue().replace("\r", "\n")
utils.diff_compare(out, os.path.join(utils.DATADIR, "meter", "meter4.txt"))
# meter with size exceeded by the update() values
meter = _progresspriv.TextMeter(output=io.StringIO())
_test_meter_values(meter, 200)
out = meter.output.getvalue().replace("\r", "\n")
utils.diff_compare(out, os.path.join(utils.DATADIR, "meter", "meter5.txt"))
# meter with size 0
meter = _progresspriv.TextMeter(output=io.StringIO())
_test_meter_values(meter, 0)
out = meter.output.getvalue().replace("\r", "\n")
utils.diff_compare(out, os.path.join(utils.DATADIR, "meter", "meter6.txt"))
def _test_meter_zero(m, startval=0, text="Meter text test"):
with unittest.mock.patch("time.time", return_value=1.0):
m.start(text, startval)
with unittest.mock.patch("time.time", return_value=3.0):
m.update(0)
with unittest.mock.patch("time.time", return_value=3.1):
m.end()
# meter with size 0 and startval size 0
meter = _progresspriv.TextMeter(output=io.StringIO())
_test_meter_zero(meter, 0)
out = meter.output.getvalue().replace("\r", "\n")
utils.diff_compare(out, os.path.join(utils.DATADIR, "meter", "meter-zero.txt"))
# BaseMeter coverage
meter = _progresspriv.BaseMeter()
_test_meter_values(meter)
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