pungi/tests/helpers.py

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# -*- coding: utf-8 -*-
import difflib
import errno
import os
import shutil
import tempfile
from collections import defaultdict
import mock
import six
from kobo.rpmlib import parse_nvr
try:
import unittest2 as unittest
except ImportError:
import unittest
from pungi.util import get_arch_variant_data
from pungi import paths, checks
from pungi.module_util import Modulemd
class BaseTestCase(unittest.TestCase):
def assertFilesEqual(self, fn1, fn2):
with open(fn1, "rb") as f1:
lines1 = f1.read().decode("utf-8").splitlines()
with open(fn2, "rb") as f2:
lines2 = f2.read().decode("utf-8").splitlines()
diff = "\n".join(
difflib.unified_diff(lines1, lines2, fromfile="EXPECTED", tofile="ACTUAL")
)
self.assertEqual(diff, "", "Files differ:\n" + diff)
def assertFileContent(self, fn, expected):
with open(fn, "rb") as f:
lines = f.read().decode("utf-8").splitlines()
diff = "\n".join(
difflib.unified_diff(
lines, expected.splitlines(), fromfile="EXPECTED", tofile="ACTUAL"
)
)
self.assertEqual(diff, "", "Files differ:\n" + diff)
class PungiTestCase(BaseTestCase):
def setUp(self):
self.topdir = tempfile.mkdtemp()
def tearDown(self):
try:
shutil.rmtree(self.topdir)
except OSError as err:
if err.errno != errno.ENOENT:
raise
def assertValidConfig(self, conf):
self.assertEqual(checks.validate(conf, offline=True), ([], []))
def _make_pkgset_phase(self, names):
pkgsets = []
for name in names:
pkgset = mock.Mock(paths={})
pkgset.name = name
for arch in ("x86_64", "amd64"):
pkgset.paths[arch] = os.path.join(
self.topdir, "work", arch, "repo", name
)
pkgsets.append(pkgset)
return mock.Mock(package_sets=pkgsets)
class MockVariant(mock.Mock):
def __init__(self, is_empty=False, name=None, *args, **kwargs):
super(MockVariant, self).__init__(*args, is_empty=is_empty, **kwargs)
self.parent = kwargs.get("parent", None)
self.arch_mmds = {}
self.module_uid_to_koji_tag = {}
self.variants = {}
self.pkgsets = set()
self.modules = None
self.name = name
self.nsvc_to_pkgset = defaultdict(lambda: mock.Mock(rpms_by_arch={}))
def __str__(self):
return self.uid
def get_variants(self, arch=None, types=None):
return [
v
for v in list(self.variants.values())
if (not arch or arch in v.arches) and (not types or v.type in types)
]
def get_modules(self, arch=None, types=None):
return []
def get_modular_koji_tags(self, arch=None, types=None):
return []
def add_fake_module(self, nsvc, rpm_nvrs=None, with_artifacts=False, mmd_arch=None):
if not Modulemd:
# No support for modules
return
name, stream, version, context = nsvc.split(":")
module_stream = Modulemd.ModuleStreamV2.new(name, stream)
module_stream.set_version(int(version))
module_stream.set_context(context)
module_stream.set_summary("foo")
module_stream.set_description("foo")
module_stream.add_module_license("GPL")
if rpm_nvrs:
for rpm_nvr in rpm_nvrs:
rpm_name = parse_nvr(rpm_nvr)["name"]
component = Modulemd.ComponentRpm.new(rpm_nvr)
component.set_name(rpm_name)
component.set_rationale("Needed for test")
module_stream.add_component(component)
if with_artifacts:
module_stream.add_rpm_artifact(rpm_nvr)
if self.modules is None:
self.modules = []
self.modules.append(":".join([name, stream, version]))
if mmd_arch:
nsvc = module_stream.get_nsvc()
self.arch_mmds.setdefault(mmd_arch, {})[nsvc] = module_stream
return module_stream
class MockPackageSet(dict):
def __init__(self, *args):
for pkg in args:
self[pkg.path] = pkg
class MockPkg(object):
def __init__(self, path, is_system_release=False, **kwargs):
self.path = path
self.is_system_release = is_system_release
filename = os.path.basename(path)
self.nvr, self.arch, _ = filename.rsplit(".", 2)
self.name, self.version, self.release = self.nvr.rsplit("-", 2)
for k, v in kwargs.items():
setattr(self, k, v)
def __repr__(self):
return self.nvr
def __lt__(self, another):
return self.nvr < another.nvr
class IterableMock(mock.Mock):
def __iter__(self):
return iter([])
class DummyCompose(object):
def __init__(self, topdir, config):
self.supported = True
self.compose_date = "20151203"
self.compose_type_suffix = ".t"
self.compose_type = "test"
self.compose_respin = 0
self.compose_id = "Test-20151203.0.t"
self.compose_label = None
self.compose_label_major_version = None
self.image_release = "20151203.t.0"
self.image_version = "25"
self.ci_base = mock.Mock(
release_id="Test-1.0",
release=mock.Mock(
short="test", version="1.0", is_layered=False, type_suffix=""
),
)
self.topdir = topdir
self.conf = load_config(PKGSET_REPOS, **config)
checks.validate(self.conf, offline=True)
self.paths = paths.Paths(self)
self.has_comps = True
self.variants = {
"Server": MockVariant(
uid="Server",
arches=["x86_64", "amd64"],
type="variant",
id="Server",
name="Server",
),
"Client": MockVariant(
uid="Client",
arches=["amd64"],
type="variant",
id="Client",
name="Client",
),
"Everything": MockVariant(
uid="Everything",
arches=["x86_64", "amd64"],
type="variant",
id="Everything",
name="Everything",
),
}
self.all_variants = self.variants.copy()
# for PhaseLoggerMixin
self._logger = mock.Mock(name="compose._logger")
self._logger.handlers = [mock.Mock()]
self.log_info = mock.Mock()
self.log_error = mock.Mock()
self.log_debug = mock.Mock()
self.log_warning = mock.Mock()
self.get_image_name = mock.Mock(return_value="image-name")
self.image = mock.Mock(
path="Client/i386/iso/image.iso",
can_fail=False,
size=123,
_max_size=None,
)
self.im = mock.Mock(images={"Client": {"amd64": [self.image]}})
self.old_composes = []
self.config_dir = "/home/releng/config"
self.notifier = None
self.attempt_deliverable = mock.Mock()
self.fail_deliverable = mock.Mock()
self.require_deliverable = mock.Mock()
self.should_create_yum_database = True
self.cache_region = None
self.containers_metadata = {}
def setup_optional(self):
self.all_variants["Server-optional"] = MockVariant(
uid="Server-optional", arches=["x86_64"], type="optional"
)
self.all_variants["Server-optional"].parent = self.variants["Server"]
self.variants["Server"].variants["optional"] = self.all_variants[
"Server-optional"
]
def setup_addon(self):
self.all_variants["Server-HA"] = MockVariant(
uid="Server-HA", arches=["x86_64"], type="addon", is_empty=False
)
self.all_variants["Server-HA"].parent = self.variants["Server"]
self.variants["Server"].variants["HA"] = self.all_variants["Server-HA"]
def get_variants(self, arch=None, types=None):
return [
v
for v in list(self.all_variants.values())
if (not arch or arch in v.arches) and (not types or v.type in types)
]
def can_fail(self, variant, arch, deliverable):
failable = get_arch_variant_data(
self.conf, "failable_deliverables", arch, variant
)
return deliverable in failable
def get_arches(self):
result = set()
for variant in list(self.variants.values()):
result |= set(variant.arches)
return sorted(result)
def mkdtemp(self, suffix="", prefix="tmp"):
return tempfile.mkdtemp(suffix=suffix, prefix=prefix, dir=self.topdir)
def touch(path, content=None):
"""Helper utility that creates an dummy file in given location. Directories
will be created."""
content = content or (path + "\n")
try:
os.makedirs(os.path.dirname(path))
except OSError:
pass
if not isinstance(content, six.binary_type):
content = content.encode()
with open(path, "wb") as f:
f.write(content)
return path
FIXTURE_DIR = os.path.join(os.path.dirname(__file__), "fixtures")
def copy_fixture(fixture_name, dest):
src = os.path.join(FIXTURE_DIR, fixture_name)
touch(dest)
shutil.copy2(src, dest)
def boom(*args, **kwargs):
raise Exception("BOOM")
def mk_boom(cls=Exception, msg="BOOM"):
def b(*args, **kwargs):
raise cls(msg)
return b
PKGSET_REPOS = dict(
pkgset_source="repos",
pkgset_repos={},
)
BASE_CONFIG = dict(
release_short="test",
release_name="Test",
release_version="1.0",
variants_file="variants.xml",
createrepo_checksum="sha256",
gather_method="deps",
)
def load_config(data={}, **kwargs):
conf = dict()
conf.update(BASE_CONFIG)
conf.update(data)
conf.update(kwargs)
return conf
def fake_run_in_threads(func, params, threads=None):
"""Like run_in_threads from Kobo, but actually runs tasks serially."""
for num, param in enumerate(params):
func(None, param, num)