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# Copyright (C) 2013, 2014 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA.
import difflib
import os
import virtinst
import virtinst.cli
import virtinst.uri
# pylint: disable=protected-access
# Access to protected member, needed to unittest stuff
class _CLIState(object):
"""
Class containing any bits passed in from setup.py
"""
def __init__(self):
self.regenerate_output = False
self.use_coverage = False
clistate = _CLIState()
_capsprefix = ",caps=%s/tests/capabilities-xml/" % os.getcwd()
_domcapsprefix = ",domcaps=%s/tests/capabilities-xml/" % os.getcwd()
uri_test_default = "__virtinst_test__test:///default,predictable"
uri_test = "__virtinst_test__test:///%s/tests/testdriver.xml,predictable" % os.getcwd()
uri_test_remote = uri_test + ",remote"
_uri_qemu = "%s,qemu" % uri_test
_uri_kvm_domcaps = (_uri_qemu + _domcapsprefix + "kvm-x86_64-domcaps.xml")
_uri_kvm_domcaps_q35 = (_uri_qemu + _domcapsprefix + "kvm-x86_64-domcaps-q35.xml")
_uri_kvm_aarch64_domcaps = (_uri_qemu + _domcapsprefix + "kvm-aarch64-domcaps.xml")
uri_kvm_nodomcaps = (_uri_qemu + _capsprefix + "kvm-x86_64.xml")
uri_kvm_rhel = (_uri_kvm_domcaps + _capsprefix + "kvm-x86_64-rhel7.xml")
uri_kvm = (_uri_kvm_domcaps + _capsprefix + "kvm-x86_64.xml")
uri_kvm_q35 = (_uri_kvm_domcaps_q35 + _capsprefix + "kvm-x86_64.xml")
uri_kvm_session = uri_kvm + ",session"
uri_kvm_armv7l = (_uri_kvm_domcaps + _capsprefix + "kvm-armv7l.xml")
uri_kvm_aarch64 = (_uri_kvm_aarch64_domcaps + _capsprefix + "kvm-aarch64.xml")
uri_kvm_ppc64le = (_uri_kvm_domcaps + _capsprefix + "kvm-ppc64le.xml")
uri_kvm_s390x = (_uri_kvm_domcaps + _capsprefix + "kvm-s390x.xml")
uri_kvm_s390x_KVMIBM = (_uri_kvm_domcaps + _capsprefix + "kvm-s390x-KVMIBM.xml")
uri_xen = uri_test + _capsprefix + "xen-rhel5.4.xml,xen"
uri_lxc = uri_test + _capsprefix + "lxc.xml,lxc"
uri_vz = uri_test + _capsprefix + "vz.xml,vz"
def get_debug():
return ("DEBUG_TESTS" in os.environ and
os.environ["DEBUG_TESTS"] == "1")
def _make_uri(base, connver=None, libver=None):
if connver:
base += ",connver=%s" % connver
if libver:
base += ",libver=%s" % libver
return base
_conn_cache = {}
def openconn(uri):
"""
Extra super caching to speed up the test suite. We basically
cache the first guest/pool/vol poll attempt for each URI, and save it
across multiple reopenings of that connection. We aren't caching
libvirt objects, just parsed XML objects. This works fine since
generally every test uses a fresh virConnect, or undoes the
persistent changes it makes.
"""
virtinst.util.register_libvirt_error_handler()
conn = virtinst.cli.getConnection(uri)
uri = conn._open_uri
# For the basic test:///default URI, skip this caching, so we have
# an option to test the stock code
if uri == uri_test_default:
return conn
if uri not in _conn_cache:
conn.fetch_all_guests()
conn.fetch_all_pools()
conn.fetch_all_vols()
conn.fetch_all_nodedevs()
_conn_cache[uri] = {}
for key, value in conn._fetch_cache.items():
_conn_cache[uri][key] = value[:]
# Prime the internal connection cache
for key, value in _conn_cache[uri].items():
conn._fetch_cache[key] = value[:]
def cb_cache_new_pool(poolobj):
# Used by clonetest.py nvram-newpool test
if poolobj.name() == "nvram-newpool":
from virtinst import StorageVolume
vol = StorageVolume(conn)
vol.pool = poolobj
vol.name = "clone-orig-vars.fd"
vol.capacity = 1024 * 1024
vol.install()
conn._cache_new_pool_raw(poolobj)
conn.cb_cache_new_pool = cb_cache_new_pool
return conn
def open_testdefault():
return openconn(uri_test_default)
def open_testdriver():
return openconn(uri_test)
def open_kvm(connver=None, libver=None):
return openconn(_make_uri(uri_kvm, connver, libver))
def open_kvm_rhel(connver=None):
return openconn(_make_uri(uri_kvm_rhel, connver))
def open_test_remote():
return openconn(uri_test_remote)
def test_create(testconn, xml, define_func="defineXML"):
xml = virtinst.uri.sanitize_xml_for_test_define(xml)
try:
func = getattr(testconn, define_func)
obj = func(xml)
except Exception as e:
raise RuntimeError(str(e) + "\n" + xml)
try:
obj.create()
obj.destroy()
obj.undefine()
except Exception:
try:
obj.destroy()
except Exception:
pass
try:
obj.undefine()
except Exception:
pass
def read_file(filename):
"""Helper function to read a files contents and return them"""
f = open(filename, "r")
out = f.read()
f.close()
return out
def diff_compare(actual_out, filename=None, expect_out=None):
"""Compare passed string output to contents of filename"""
if not expect_out:
if not os.path.exists(filename) or clistate.regenerate_output:
open(filename, "w").write(actual_out)
expect_out = read_file(filename)
diff = "".join(difflib.unified_diff(expect_out.splitlines(1),
actual_out.splitlines(1),
fromfile=filename or '',
tofile="Generated Output"))
if diff:
raise AssertionError("Conversion outputs did not match.\n%s" % diff)
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