def _test_tracking(context, destination):
"""Test whether tracking information is stored in the destination.
The "dnf" executable must be available.
:param context: the context in which the function is called
:type context: behave.runner.Context
:param destination: the expected destination
:type destination: unicode
:raises exceptions.OSError: if DNF cannot be configured
:raises shutil.Error: if DNF cannot be configured
:raises exceptions.OSError: if the executable cannot be executed
:raises subprocess.CalledProcessError: if the executable fails
:raises exceptions.AssertionError: if the test fails
"""
with dnf.Base() as base:
releasever = context.releasever_option or dnf.rpm.detect_releasever(
base.conf.installroot)
persistdn = base.conf.persistdir
guest_destination = 'in the guest'
if destination not in {'locally', guest_destination}:
raise NotImplementedError('destination not supported')
backupdn = tempfile.mkdtemp()
backuppersistdn = os.path.join(backupdn, 'persist')
try:
with _suppress_enoent():
shutil.copytree(persistdn, backuppersistdn)
with _suppress_enoent():
shutil.rmtree(persistdn)
environment.run_dnf(
['group', 'install', 'Books and Guides'], context.config_option,
context.installroot_option, releasever, quiet=True, assumeyes=True)
content = []
with _suppress_enoent():
content = os.listdir(persistdn)
if destination == guest_destination:
assert not content, 'something stored in the host'
else:
assert content, 'nothing stored in the host'
finally:
with _suppress_enoent():
shutil.rmtree(persistdn)
with _suppress_enoent():
shutil.copytree(backuppersistdn, persistdn)
shutil.rmtree(backupdn)
if destination == guest_destination:
if not context.installroot_option:
raise ValueError('guest path not set')
chrooteddn = os.path.join(
context.installroot_option, persistdn.lstrip(os.path.sep))
assert os.listdir(chrooteddn), 'nothing stored in the guest'
def _run_repoquery(
configfn=None, repo=None, root=None, releasever=None, quiet=False):
"""Run the DNF's repoquery plugin from command line.
The "dnf" executable and its "repoquery" plugin must be available.
:param configfn: a name of a configuration file
:type configfn: unicode | None
:param repo: a value of the --repo option
:type repo: unicode | None
:param root: a value of the --installroot option
:type root: unicode | None
:param releasever: a value of the --releasever option
:type releasever: unicode | None
:param quiet: set the --queit option
:type quiet: bool
:returns: the output of the command
:rtype: str
:raises exceptions.OSError: if the executable cannot be executed
:raises subprocess.CalledProcessError: if executable or the plugin
fails
"""
args = ['repoquery']
if repo:
args.insert(1, repo)
args.insert(1, '--repoid')
return environment.run_dnf(args, configfn, root, releasever, quiet)
def _run_dnf_remove( # pylint: disable=too-many-arguments
specs, configfn=None, root=None, releasever=None, quiet=False,
assumeyes=False, disablerepo=None, enablerepo=None):
"""Run DNF's remove command from command line.
The "dnf" executable must be available.
:param specs: specifications of the packages to be removed
:type specs: list[unicode]
:param configfn: a name of a configuration file
:type configfn: unicode | None
:param root: a value of the --installroot option
:type root: unicode | None
:param releasever: a value of the --releasever option
:type releasever: unicode | None
:param quiet: set the --quiet option
:type quiet: bool
:param assumeyes: set the --assumeyes option
:type assumeyes: bool
:param disablerepo: a pattern matching the repositories to be
disabled
:type disablerepo: unicode | None
:param enablerepo: a pattern matching the repositories to be
enabled
:type enablerepo: unicode | None
:returns: the output of the command
:rtype: str
:raises exceptions.OSError: if the executable cannot be executed
:raises subprocess.CalledProcessError: if the executable fails
"""
return environment.run_dnf(
['remove'] + specs, configfn, root, releasever, quiet, assumeyes,
disablerepo, enablerepo)
def _test_caching(context, destination):
"""Test whether metadata is cached in the destination.
The "dnf" executable must be available.
:param context: the context in which the function is called
:type context: behave.runner.Context
:param destination: a description of the expected destination
:type destination: unicode
:raises exceptions.OSError: if DNF cannot be configured or if the
executable cannot be executed
:raises subprocess.CalledProcessError: if the executable fails
:raises exceptions.AssertionError: if the test fails
"""
with dnf.Base() as base:
cachedir = chrooteddn = base.conf.cachedir
if context.installroot_option:
chrooteddn = os.path.join(
context.installroot_option, cachedir.lstrip(os.path.sep))
_prepare_installroot(
context.installroot_option, context.releasever_option or '19')
with _suppress_enoent():
shutil.rmtree(cachedir)
with _suppress_enoent():
shutil.rmtree(chrooteddn)
environment.run_dnf(
['makecache'], context.config_option, context.installroot_option,
context.releasever_option, quiet=True, assumeyes=True)
content = []
with _suppress_enoent():
content = os.listdir(cachedir)
if destination == 'locally':
assert content, 'nothing cached in the host'
elif destination == 'in the guest':
assert os.listdir(chrooteddn), 'nothing cached in the guest'
assert not content, 'something cached in the host'
else:
raise NotImplementedError('destination not supported')
