# 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 difflib import os import sys import unittest import libvirt 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 self.debug = False clistate = _CLIState() def has_old_osinfo(): # Some tests rely on newer osinfo data. Check for a new condition # here, and older tests will be skipped osname = "centos7.0" if not virtinst.OSDB.lookup_os(osname): return True return not virtinst.OSDB.lookup_os(osname).supports_chipset_q35() class _URIs(object): def __init__(self): self._conn_cache = {} self._testdriver_cache = None self._testdriver_error = None self._testdriver_default = None _capspath = "%s/tests/capabilities-xml/" % os.getcwd() def _domcaps(path): return ",domcaps=" + _capspath + path def _caps(path): return ",caps=" + _capspath + path _testtmpl = "__virtinst_test__test://%s,predictable" self.test_default = _testtmpl % "/default" self.test_full = _testtmpl % (os.getcwd() + "/tests/testdriver.xml") self.test_suite = _testtmpl % (os.getcwd() + "/tests/testsuite.xml") self.test_remote = self.test_full + ",remote" self.xen = self.test_full + _caps("xen-rhel5.4.xml") + ",xen" self.lxc = self.test_full + _caps("lxc.xml") + ",lxc" self.vz = self.test_full + _caps("vz.xml") + ",vz" _uri_qemu = "%s,qemu" % self.test_full _uri_kvm = _uri_qemu + _domcaps("kvm-x86_64-domcaps.xml") _uri_kvm_q35 = _uri_qemu + _domcaps("kvm-x86_64-domcaps-q35.xml") _uri_kvm_aarch64 = _uri_qemu + _domcaps("kvm-aarch64-domcaps.xml") self.kvm = _uri_kvm + _caps("kvm-x86_64.xml") self.kvm_remote = _uri_kvm + _caps("kvm-x86_64.xml") + ",remote" self.kvm_nodomcaps = _uri_qemu + _caps("kvm-x86_64.xml") self.kvm_rhel = _uri_kvm + _caps("kvm-x86_64-rhel7.xml") self.kvm_q35 = _uri_kvm_q35 + _caps("kvm-x86_64.xml") self.kvm_session = self.kvm + ",session" self.kvm_armv7l = _uri_kvm + _caps("kvm-armv7l.xml") self.kvm_armv7l_nodomcaps = _uri_qemu + _caps("kvm-armv7l.xml") self.kvm_aarch64 = _uri_kvm_aarch64 + _caps("kvm-aarch64.xml") self.kvm_ppc64le = _uri_kvm + _caps("kvm-ppc64le.xml") self.kvm_s390x = _uri_kvm + _caps("kvm-s390x.xml") self.kvm_s390x_KVMIBM = _uri_kvm + _caps("kvm-s390x-KVMIBM.xml") def openconn(self, 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() is_testdriver_xml = "/testdriver.xml" in uri if not (is_testdriver_xml and self._testdriver_error): try: conn = virtinst.cli.getConnection(uri) except libvirt.libvirtError as e: if not is_testdriver_xml: raise self._testdriver_error = ( "error opening testdriver.xml: %s\n" "libvirt is probably too old" % str(e)) print(self._testdriver_error, file=sys.stderr) if is_testdriver_xml and self._testdriver_error: raise unittest.SkipTest(self._testdriver_error) 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 == self.test_default: return conn if uri not in self._conn_cache: conn.fetch_all_domains() conn.fetch_all_pools() conn.fetch_all_vols() conn.fetch_all_nodedevs() self._conn_cache[uri] = {} for key, value in conn._fetch_cache.items(): self._conn_cache[uri][key] = value[:] # Prime the internal connection cache for key, value in self._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_testdriver_cached(self): """ Open plain testdriver.xml and cache the instance. Tests that use this are expected to clean up after themselves so driver state doesn't become polluted. """ if not self._testdriver_cache: self._testdriver_cache = self.openconn(self.test_full) return self._testdriver_cache def open_testdefault_cached(self): if not self._testdriver_default: self._testdriver_default = self.openconn(self.test_default) return self._testdriver_default def _make_uri(self, base, connver=None, libver=None): if connver: base += ",connver=%s" % connver if libver: base += ",libver=%s" % libver return base def open_kvm(self, connver=None, libver=None): return self.openconn(self._make_uri(self.kvm, connver, libver)) def open_kvm_rhel(self, connver=None): return self.openconn(self._make_uri(self.kvm_rhel, connver)) def open_test_remote(self): return self.openconn(self.test_remote) URIs = _URIs() 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 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 = open(filename).read() 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)