# This file is part of the sos project: https://github.com/sosreport/sos # # This copyrighted material is made available to anyone wishing to use, # modify, copy, or redistribute it subject to the terms and conditions of # version 2 of the GNU General Public License. # # See the LICENSE file in the source distribution for further information. from avocado.core.exceptions import TestSkipError from avocado.core.output import LOG_UI from avocado import Test from avocado.utils import archive, process, distro, software_manager from avocado.utils.cpu import get_arch from fnmatch import fnmatch import glob import inspect import json import os import pickle import shutil import socket import re SOS_TEST_DIR = os.path.dirname(os.path.realpath(__file__)) SOS_REPO_ROOT = os.path.realpath(os.path.join(SOS_TEST_DIR, '../')) SOS_PLUGIN_DIR = os.path.realpath( os.path.join(SOS_REPO_ROOT, 'sos/report/plugins')) SOS_TEST_DATA_DIR = os.path.realpath(os.path.join(SOS_TEST_DIR, 'test_data')) SOS_TEST_BIN = os.path.realpath(os.path.join(SOS_TEST_DIR, '../bin/sos')) RH_DIST = ['rhel', 'centos', 'fedora'] UBUNTU_DIST = ['Ubuntu', 'debian'] def skipIf(cond, message=None): def decorator(function): def wrapper(self, *args, **kwargs): if callable(cond): if cond(self): raise TestSkipError(message) elif cond: raise TestSkipError(message) return wrapper return decorator def redhat_only(tst): def wrapper(func): if distro.detect().name not in RH_DIST: raise TestSkipError('Not running on a Red Hat distro') return wrapper def ubuntu_only(tst): def wrapper(func): if distro.detect().name not in UBUNTU_DIST: raise TestSkipError('Not running on a Ubuntu or Debian distro') return wrapper class BaseSoSTest(Test): """Base class for all our test classes to build off of. Subclasses avocado.Test and then adds wrappers and helper methods that are needed across sos components. Component specific test classes should in turn subclass ``BaseSoSTest`` rather than ``avocado.Test`` directly """ _klass_name = None _tmpdir = None _exception_expected = False _local_sos_bin = shutil.which('sos') or SOS_TEST_BIN sos_cmd = '' sos_timeout = 600 redhat_only = False ubuntu_only = False end_of_test_case = False arch = [] @property def klass_name(self): if not self._klass_name: self._klass_name = (f"{os.path.basename(__file__)}." f"{self.__class__.__name__}") return self._klass_name @property def tmpdir(self): if not self._tmpdir: self._tmpdir = (f"{os.getenv('AVOCADO_TESTS_COMMON_TMPDIR')}" f"{self.klass_name}") return self._tmpdir @property def sos_bin(self): if self.params.get('TESTLOCAL') == 'true': return self._local_sos_bin return SOS_TEST_BIN def generate_sysinfo(self): """Collects some basic information about the system for later reference in individual tests """ sysinfo = {} # get kernel modules mods = [] _out = process.run('lsmod').stdout.decode() for line in _out.splitlines()[1:]: mods.append(line.split()[0]) # this particular kmod is both innocuous and unpredictable in terms of # pre-loading even within the same distribution. For now, turn a blind # eye to it with regards to the "no new kmods loaded" perspective if 'binfmt_misc' in mods: mods.remove('binfmt_misc') sysinfo['modules'] = sorted(mods, key=str.lower) # get networking info hostname = socket.gethostname() ip_addr = socket.gethostbyname(hostname) sysinfo['networking'] = {} sysinfo['networking']['hostname'] = hostname sysinfo['networking']['ip_addr'] = ip_addr return sysinfo def _generate_sos_command(self): """Based on the specific test class that is subclassing BaseSoSTest, perform whatever logic is necessary to create the sos command that will be executed """ raise NotImplementedError def _execute_sos_cmd(self): """Run the sos command for this test case, and extract it """ exec_cmd = self._generate_sos_command() try: self.cmd_output = process.run(exec_cmd, timeout=self.sos_timeout, env={'SOS_TEST_LOGS': 'keep'}) except Exception as err: if not hasattr(err, 'result'): # can't inspect the exception raised, just bail out raise if self._exception_expected: self.cmd_output = err.result else: msg = err.result.stderr.decode() or err.result.stdout.decode() # a little hacky, but using self.log methods here will not # print to console unless we ratchet up the verbosity for the # entire test suite, which will become very difficult to read # don't flood w/ super verbose logs LOG_UI.error('ERROR:\n' + msg[:8196]) if err.result.interrupted: raise Exception("Timeout exceeded, see output above") else: raise Exception("Command failed, see output above: '%s'" % err.command.split('bin/')[1]) with open(os.path.join(self.tmpdir, 'output'), 'wb') as pfile: pickle.dump(self.cmd_output, pfile) self.cmd_output.stdout = self.cmd_output.stdout.decode() self.cmd_output.stderr = self.cmd_output.stderr.decode() def _setup_tmpdir(self): if not os.path.isdir(self.tmpdir): os.mkdir(self.tmpdir) def _write_file_to_tmpdir(self, fname, content): """Write the given content to fname within the test's tmpdir """ fname = os.path.join(self.tmpdir, fname) if isinstance(content, bytes): content = content.decode() with open(fname, 'w') as wfile: wfile.write(content) def read_file_from_tmpdir(self, fname): fname = os.path.join(self.tmpdir, fname) try: with open(fname, 'r') as tfile: return tfile.read() except Exception: pass return '' def _write_sysinfo(self, fname): """Get the current state of sysinfo and write it into our shared tempdir so it can be loaded in setUp() later :param fname: The name of the file to be written in the tempdir :type fname: ``str`` """ sysinfo = self.generate_sysinfo() self._write_file_to_tmpdir(fname, json.dumps(sysinfo)) def _read_sysinfo(self, fname): sysinfo = {} content = self.read_file_from_tmpdir(fname) if content: sysinfo = json.loads(content) return sysinfo def set_pre_sysinfo(self): self._write_sysinfo('pre_sysinfo') def get_pre_sysinfo(self): return self._read_sysinfo('pre_sysinfo') def set_post_sysinfo(self): self._write_sysinfo('post_sysinfo') def get_post_sysinfo(self): return self._read_sysinfo('post_sysinfo') def get_sysinfo(self): sinfo = { 'pre': self.get_pre_sysinfo(), 'post': self.get_post_sysinfo() } return sinfo def check_distro_for_enablement(self): """Check if the test case is meant only for a specific distro family, and if it is and we are not running on that family, skip all the tests for that test case. This allows us to define distro-specific test classes much the same way we can define distro-specific tests _within_ a test class using the appropriate decorators. We can't use the decorators for the class however due to how avocado catches instantiation exceptions, so instead we need to raise the skip exception after instantiation is done. """ if self.redhat_only: if self.local_distro not in RH_DIST: raise TestSkipError('Not running on a Red Hat distro') elif self.ubuntu_only: if self.local_distro not in UBUNTU_DIST: raise TestSkipError("Not running on a Ubuntu or Debian distro") def check_arch_for_enablement(self): """ Check if the test case is meant only for a specific architecture, and if it is, that we're also currently running on (one of) those arches. This relies on the `arch` class attr, which should be a list. If the list is empty, assume all arches are acceptable. Otherwise, raise a TestSkipError. """ sys_arch = get_arch() if not self.arch or sys_arch in self.arch: return True raise TestSkipError(f"Unsupported architecture {sys_arch} for test " f"(supports: {self.arch})") def setUp(self): """Setup the tmpdir and any needed mocking for the test, then execute the defined sos command. Ensure that we only run the sos command once for every test case, instead of once for every test_* method defined. """ self.local_distro = distro.detect().name self.check_distro_for_enablement() self.check_arch_for_enablement() # check to prevent multiple setUp() runs if not os.path.isdir(self.tmpdir): # setup our class-shared tmpdir self._setup_tmpdir() # do mocking called for in stage 2+ tests self.setup_mocking() # do any pre-execution setup self.pre_sos_setup() # gather some pre-execution information self.set_pre_sysinfo() # run the sos command for this test case self._execute_sos_cmd() self.set_post_sysinfo() else: with open(os.path.join(self.tmpdir, 'output'), 'rb') as pfile: self.cmd_output = pickle.load(pfile) if isinstance(self.cmd_output.stdout, bytes): self.cmd_output.stdout = self.cmd_output.stdout.decode() self.cmd_output.stderr = self.cmd_output.stderr.decode() for f in os.listdir(self.tmpdir): if fnmatch(f, '*sosreport*.tar.??'): self.archive = os.path.join(self.tmpdir, f) break self.sysinfo = self.get_sysinfo() def tearDown(self): """If a test being run is the last one defined for a test case, then we should remove the extracted tarball directory so that we can upload a reasonably sized artifact to the GCE storage bucket if any tests fail during the test execution. The use of `end_of_test_case` is a bit wonky because we don't have a different/more reliable way to identify that a test class has completed all tests - mainly because avocado re-initializes the entire class for each `test_*` method defined within it. """ if self.end_of_test_case: self.post_test_tear_down() # remove the extracted directory only if we have the tarball if self.archive and os.path.exists(self.archive): if os.path.exists(self.archive_path): shutil.rmtree(self.archive_path) def post_test_tear_down(self): """Called at the end of a test run to ensure that any needed per-test cleanup can be done. """ pass def setup_mocking(self): """Since we need to use setUp() in our overrides of avocado.Test, provide an alternate method for test cases that subclass BaseSoSTest to use. """ pass def pre_sos_setup(self): """Do any needed non-mocking setup prior to the sos execution that is called in setUp() """ pass def assertFileExists(self, fname): """Asserts that fname exists on the filesystem""" assert os.path.exists(fname), "%s does not exist" % fname def assertFileNotExists(self, fname): """Asserts that fname does not exist on the filesystem""" assert not os.path.exists(fname), "%s exists" % fname def assertOutputContains(self, content): """Ensure that stdout did contain the given content string :param content: The string that should not be in stdout :type content: ``str`` """ found = re.search( fr"(.*)?{content}(.*)?", self.cmd_output.stdout + self.cmd_output.stderr) assert found, "Content string '%s' not in output" % content def assertOutputNotContains(self, content): """Ensure that stdout did NOT contain the given content string :param content: The string that should not be in stdout :type content: ``str`` """ found = re.search( fr"(.*)?{content}(.*)?", self.cmd_output.stdout + self.cmd_output.stderr) assert not found, "String '%s' present in stdout" % content class BaseSoSReportTest(BaseSoSTest): """This is the class to use for building sos report tests with. An instance of this test is expected to set at minimum a ``sos_cmd`` class attribute that represets the options handed to a specific execution of an sos command. This should be anything following ``sos report --batch``. """ archive = None _manifest = None _exception_expected = False encrypt_pass = None sos_component = 'report' @property def manifest(self): if self._manifest is None: try: content = self.read_file_from_tmpdir( self.get_name_in_archive('sos_reports/manifest.json')) self._manifest = json.loads(content) except Exception: self._manifest = '' self.warning('Could not load manifest for test') return self._manifest @property def encrypted_path(self): return self.get_encrypted_path() def _decrypt_archive(self, archive): _archive = archive.strip('.gpg') cmd = ("gpg --batch --passphrase %s -o %s --decrypt %s" % (self.encrypt_pass, _archive, archive)) try: process.run(cmd, timeout=10) except Exception as err: if err.result.interrupted: self.error("Timeout while decrypting") if 'Bad session key' in err.result.stderr.decode(): self.fail("Decryption with well-known passphrase failed") raise return _archive def grep_for_content(self, search, regexp=False): """Call out to grep for finding a specific string 'search' in any place in the archive :param search: string to search :param regexp: use regular expression search (default False means "grep -F") """ fixed_opt = "" if regexp else "F" cmd = "grep -ril%s '%s' %s" % (fixed_opt, search, self.archive_path) try: out = process.run(cmd) rc = out.exit_status except process.CmdError as err: out = err.result rc = err.result.exit_status if rc == 1: # grep will return an exit code of 1 if no matches are found, # which is what we want return False else: flist = [] for ln in out.stdout.decode('utf-8').splitlines(): flist.append(ln.split(self.tmpdir)[-1]) return flist def get_encrypted_path(self): """Since avocado re-instantiates a new object for every test_ method, we need to be able to retrieve the original path for the encrypted archive and cannot rely on it being set by the _extract_archive() override """ try: return re.findall( r'/.*sosreport-.*tar.*\.gpg', self.cmd_output.stdout )[-1] except Exception: return None def _extract_archive(self, arc_path): """Extract an archive to the temp directory """ if '--encrypt' in self.sos_cmd: arc_path = self._decrypt_archive(arc_path) _extract_path = self._get_extracted_tarball_path() try: archive.extract(arc_path, _extract_path) self.archive_path = self._get_archive_path() except Exception as err: self.cancel("Could not extract archive: %s" % err) def _get_extracted_tarball_path(self): """Based on the klass id setup earlier, provide a name to extract the archive to within the tmpdir """ return os.path.join( self.tmpdir, f"sosreport-{self.__class__.__name__}" ) def _generate_sos_command(self): return (f"{self.sos_bin} {self.sos_component} -v --batch " f"--tmp-dir {self.tmpdir} {self.sos_cmd}") def _execute_sos_cmd(self): super(BaseSoSReportTest, self)._execute_sos_cmd() self.archive = re.findall( '/.*sosreport-.*tar.*', self.cmd_output.stdout ) if self.archive: self.archive = self.archive[-1] self._extract_archive(self.archive) def _get_archive_path(self): path = glob.glob(self._get_extracted_tarball_path() + '/sosreport*') if path: return path[0] return None def setUp(self): super(BaseSoSReportTest, self).setUp() self.archive_path = self._get_archive_path() def get_name_in_archive(self, fname): """Get the full path to fname as it (would) exist in the archive """ return os.path.join(self.archive_path, fname.lstrip('/')) def get_file_content(self, fname): """Reads the content of fname from within the archive and returns it :param fname: The name of the file :type fname: ``str`` :returns: Content of fname :rtype: ``str`` """ content = '' with open(self.get_name_in_archive(fname), 'r') as gfile: content = gfile.read() return content def assertFileCollected(self, fname): """Ensure that a given fname is in the extracted archive if it exists on the host system :param fname: The name of the file within the archive :type fname: ``str`` """ if fname.startswith(('sos_', '/sos_')) or os.path.exists(fname): self.assertFileExists(self.get_name_in_archive(fname)) else: assert True def assertFileNotCollected(self, fname): """Ensure that a given fname is NOT in the extracted archive :param fname: The name of the file within the archive :type fname: ``str`` """ self.assertFileNotExists(self.get_name_in_archive(fname)) def assertFileGlobInArchive(self, fname): """Ensure that at least one file in the archive matches a given fname glob, iff it exists on the host system :param fname: The glob to match filenames of :type fname: ``str`` """ if fname.startswith(('sos_', '/sos_')): files = glob.glob( os.path.join(self.archive_path, fname.lstrip('/')) ) elif not glob.glob(fname): # force the test to pass since the file glob could not have been # collected files = True else: files = glob.glob( os.path.join(self.archive_path, fname.lstrip('/')) ) assert files, "No files matching %s found" % fname def assertFileGlobNotInArchive(self, fname): """Ensure that there are NO files in the archive matching a given fname glob :param fname: The glob to match filename(s) of :type fname: ``str`` """ files = glob.glob(os.path.join(self.tmpdir, fname.lstrip('/'))) self.log.debug(files) assert \ not files, \ f"Found files in archive matching {fname}: {files}" def assertFileHasContent(self, fname, content): """Ensure that the given file fname contains the given content :param fname: The name of the file :type fname: ``str`` :param content: The content to match :type content: ``str`` """ matched = False fname = self.get_name_in_archive(fname) self.assertFileExists(fname) with open(fname, 'r') as lfile: _contents = lfile.read() for line in _contents.splitlines(): if re.match(".*%s.*" % content, line, re.I): matched = True break assert \ matched, \ f"Content '{content}' does not appear in {fname}\n{_contents}" def assertFileNotHasContent(self, fname, content): """Ensure that the file file fname does NOT contain the given content :param fname: The name of the file :type fname: ``str`` :param content: The content to (not) match :type content: ``str`` """ matched = False fname = self.get_name_in_archive(fname) with open(fname, 'r') as mfile: for line in mfile.read().splitlines(): if re.match(".*%s.*" % content, line, re.I): matched = True break assert \ not matched, \ f"Content '{content}' appears in file {fname}" def assertSosLogContains(self, content): """Ensure that the given content string exists in sos.log """ self.assertFileHasContent('sos_logs/sos.log', content) def assertSosLogNotContains(self, content): """Ensure that the given content string does NOT exist in sos.log """ self.assertFileNotHasContent('sos_logs/sos.log', content) def assertSosUILogContains(self, content): """Ensure that the given content string exists in ui.log """ self.assertFileHasContent('sos_logs/ui.log', content) def assertSosUILogNotContains(self, content): """Ensure that the given content string does NOT exist in ui.log """ self.assertFileNotHasContent('sos_logs/ui.log', content) def assertPluginIncluded(self, plugin): """Ensure that the specified plugin did run for the sos execution Note that this relies on manifest.json being successfully created :param plugin: The name of the plugin :type plugin: `` str`` """ if not self.manifest: self.error( f"No manifest found, cannot check for {plugin} execution" ) if isinstance(plugin, str): plugin = [plugin] for plug in plugin: assert \ plug in self.manifest['components']['report']['plugins'], \ f"Plugin '{plug}' not recorded in manifest" def assertPluginNotIncluded(self, plugin): """Ensure that the specified plugin did NOT run for the sos execution Note that this relies on manifest.json being successfully created :param plugin: The name of the plugin :type plugin: `` str`` """ if not self.manifest: self.error( f"No manifest found, cannot check for {plugin} execution" ) if isinstance(plugin, str): plugin = [plugin] for plug in plugin: assert \ plug not in self.manifest['components']['report']['plugins'], \ f"Plugin '{plug}' is recorded in manifest" def assertOnlyPluginsIncluded(self, plugins): """Ensure that only the specified plugins are in the manifest :param plugins: The plugin names :type plugins: ``str`` or ``list`` of strings """ if not self.manifest: self.error( f"No manifest found, cannot check for {plugins} execution" ) if isinstance(plugins, str): plugins = [plugins] _executed = self.manifest['components']['report']['plugins'].keys() # test that all requested plugins did run for i in plugins: assert i in _executed, "Requested plugin '%s' did not run" % i # test that no unrequested plugins ran for j in _executed: assert j in plugins, "Unrequested plugin '%s' ran as well" % j def get_plugin_manifest(self, plugin): """Get the manifest data for the specified plugin :param plugin: The name of the plugin :type plugin: ``str`` :returns: The section of the manifest for the plugin :rtype: ``dict`` """ if not self.manifest['components']['report']['plugins'][plugin]: raise Exception("Manifest for %s not present" % plugin) return self.manifest['components']['report']['plugins'][plugin] class StageOneReportTest(BaseSoSReportTest): """This is the test class to subclass for all Stage One (no mocking) tests within the sos test suite. In addition to any test_* methods defined in the test cases that subclass this, the methods defined here will ALSO run, to ensure basic consistency across test cases NOTE: You MUST replace the following line in the docstring of your own test cases, as otherwise the test will be disabled. This line is here to prevent this base class from being treated as a valid test case. Also, if you add any tests to this base class, make sure to add a line such as ':avocado: tags=stageone' to ensure the base tests run with new test cases :avocado: disable :avocado: tags=stageone,foreman """ sos_cmd = '' def test_archive_created(self): """Ensure that the archive tarball was created and has the right owner """ self.assertFileExists(self.archive) self.assertTrue(os.stat(self.archive).st_uid == 0) def test_checksum_is_valid(self): """Ensure that a checksum was generated, reported, and is correct """ _chk = re.findall('sha256\t.*\n', self.cmd_output.stdout) _chk = _chk[0].split('sha256\t')[1].strip() assert _chk, "No checksum reported" cmd = f"sha256sum {(self.encrypted_path or self.archive)}" _found = process.run(cmd).stdout.decode().split()[0] self.assertEqual(_chk, _found) def test_no_new_kmods_loaded(self): """Ensure that no additional kernel modules have been loaded during an execution of a test """ self.assertCountEqual(self.sysinfo['pre']['modules'], self.sysinfo['post']['modules']) def test_archive_has_sos_dirs(self): """Ensure that we have the expected directory layout with in the archive """ self.assertFileCollected('sos_commands') self.assertFileCollected('sos_logs') def test_manifest_created(self): self.assertFileCollected('sos_reports/manifest.json') @skipIf(lambda x: '--no-report' in x.sos_cmd, '--no-report used in command') def test_html_reports_created(self): self.assertFileCollected('sos_reports/sos.html') def test_no_ip_changes(self): # I.E. make sure we didn't cause any NIC flaps that for some reason # resulted in a new primary IP address. TODO: build this out to make # sure this IP is still bound to the same NIC self.assertEqual(self.sysinfo['pre']['networking']['ip_addr'], self.sysinfo['post']['networking']['ip_addr']) def test_no_exceptions_during_execution(self): self.end_of_test_case = True self.assertSosLogNotContains('caught exception in plugin') self.assertFileGlobNotInArchive('sos_logs/*-plugin-errors.txt') class StageTwoReportTest(BaseSoSReportTest): """This is the testing class to subclass when light mocking is needed to perform the test. Light mocking for our uses is restricted to dropping files in well-known locations, temporarily replacing binaries, and installing packages. Note: Stage 2 tests should NOT be run on any system that is considered either production, or is a workstation that cannot be easily re-imaged or re-deployed. While efforts are taken to ensure that systems are left in their original state after mocking tests are done, the assumption is that these tests are being run on "throw-away" test systems where it does not matter if that original state is indeed attained or not. This kind of mocking is described in the class attributes as follows for each test case that is a Stage 2 test: files - a list containing the files to drop on the test system's real filesystem. Mocked files should be placed in the same locations under tests/test_data. If list items are tuples, then the tuple elements are (source_path, dest_path), which will allow the project to store multiple versions of files in the tree without interfering with other tests packages - a dict where the keys are the distribution names (e.g. 'rhel', 'ubuntu') and the values are the package names optionally with version install_plugins - a list containing the names of test plugins to be dropped inside the test repo for testing specific use cases. The list values are strings that match the test plugin's filename, and test plugins should be placed under tests/test_data/fake_plugins :avocado: disable :avocado: tags=stagetwo,foreman2 """ sos_cmd = '' files = [] packages = {} install_plugins = [] _created_files = [] def setUp(self): self.end_of_test_case = False # seems awkward, but check_installed() and remove() are not exposed # together with install_distro_packages() self.installer = software_manager self.sm = self.installer.SoftwareManager() for dist in self.packages: if isinstance(self.packages[dist], str): self.packages[dist] = [self.packages[dist]] keys = self.packages.keys() # allow for single declaration of packages for the RH family # for our purposes centos == rhel here if 'fedora' in keys and 'rhel' not in keys: self.packages['rhel'] = self.packages['fedora'] elif 'rhel' in keys and 'fedora' not in keys: self.packages['fedora'] = self.packages['rhel'] if 'rhel' in keys: self.packages['centos'] = self.packages['rhel'] super(StageTwoReportTest, self).setUp() def tearDown(self): if self.end_of_test_case: self.teardown_mocking() super(StageTwoReportTest, self).tearDown() def teardown_mocking(self): """Undo any and all mocked setup that we did for tests """ self.teardown_mocked_packages() self.teardown_mocked_files() self.teardown_mocked_plugins() def setup_mocking(self): """Main entrypoint for setting up our mocking for the test""" self.setup_mocked_packages() self.setup_mocked_files() self.setup_mocked_plugins() def setup_mocked_plugins(self): """Drop any plugins specified from tests/test_data/fake_plugins into the test repo root (as created by CirrusCI). """ _installed = [] for plug in self.install_plugins: if not plug.endswith('.py'): plug += '.py' fake_plug = os.path.join( os.path.dirname(inspect.getfile(self.__class__)), plug ) if os.path.exists(fake_plug): shutil.copy(fake_plug, SOS_PLUGIN_DIR) _installed.append( os.path.realpath(os.path.join(SOS_PLUGIN_DIR, plug)) ) self._write_file_to_tmpdir('mocked_plugins', json.dumps(_installed)) def teardown_mocked_plugins(self): """Remove any test plugins dropped into the repo during setup """ _plugins = self.read_file_from_tmpdir('mocked_plugins') if not _plugins: return _plugins = json.loads(_plugins) for plug in _plugins: os.remove(plug) def setup_mocked_packages(self): """Install any required packages using avocado's software manager abstraction """ if self.local_distro in self.packages: # remove any packages already locally installed, as otherwise # our call to SoftwareManager will return False self._strip_installed_packages() if not self.packages[self.local_distro]: return installed = self.installer.install_distro_packages(self.packages) if not installed: raise Exception( "Unable to install requested packages %s" % ', '.join(self.packages[self.local_distro]) ) # save installed package list to our tmpdir to be removed later self._write_file_to_tmpdir( 'mocked_packages', json.dumps(self.packages[self.local_distro]) ) def _strip_installed_packages(self): """For the list of packages given for a test, if any of the packages already exist on the test system, remove them from the list of packages to be installed. """ self.packages[self.local_distro] = [ p for p in self.packages[self.local_distro] if not self.sm.check_installed(p) ] def teardown_mocked_packages(self): """Uninstall any packages that we installed for this test """ pkgs = self.read_file_from_tmpdir('mocked_packages') if not pkgs: return pkgs = json.loads(pkgs) for pkg in pkgs: self.sm.remove(pkg) def _copy_test_file(self, filetup): """Helper to copy files from tests/test_data to relevant locations on the test system. If ``dest`` is provided, use that as the destination filename instead of using the ``src`` name """ src, dest = filetup dir_added = False if os.path.exists(dest): os.rename(dest, dest + '.sostesting') _dir = os.path.dirname(dest) if not os.path.exists(_dir): os.makedirs(_dir) self._created_files.append(_dir) dir_added = True _test_file = os.path.join( os.path.dirname(inspect.getfile(self.__class__)), src.lstrip('/') ) shutil.copy(_test_file, dest) if not dir_added: self._created_files.append(dest) def setup_mocked_files(self): """Place any requested files from under tests/test_data into "proper" locations on the test system's filesystem. If any of these files already exist, rename the existing copy with a '.sostesting' extension, so we can easily undo any changes after the test(s) have run. """ for mfile in self.files: if not isinstance(mfile, tuple): raise Exception("Mocked files must be provided via tuples," f"not {mfile.__class__}") self._copy_test_file(mfile) if self._created_files: self._write_file_to_tmpdir( 'mocked_files', json.dumps(self._created_files) ) def teardown_mocked_files(self): """Remove any mocked files from the test system's filesystem, and if applicable, restore previously moved files """ _files = self.read_file_from_tmpdir('mocked_files') if not _files: return _files = json.loads(_files) for mocked in _files: if os.path.isdir(mocked): shutil.rmtree(mocked) else: os.remove(mocked) if os.path.exists(mocked + '.sostesting'): os.rename(mocked + '.sostesting', mocked) def test_archive_created(self): """Ensure that the archive tarball was created and has the right owner """ # kind of a hack, but since avocado test order is predicatable, we can # use this to avoid calling setUp() and tearDown() at each test_ method # for stagetwo like we use the tmpdir for stageone. # THIS TEST MUST ALWAYS BE DEFINED LAST IN THIS CLASS FOR THIS TO WORK self.end_of_test_case = True self.assertFileExists(self.archive) self.assertTrue(os.stat(self.archive).st_uid == 0) class StageOneReportExceptionTest(BaseSoSReportTest): """This test class should be used when we expect to generate an exception with a given command invocation. By default, this class assumes no archive will be generated and the exit code from the sos command will be nonzero. If this is not the case for the specific test being run, e.g. testing plugin exception handling, then set the ``archive_still_expected`` class attr to ``True`` :avocado: disable :avocado: tags=stageone """ _exception_expected = True # set this to True if the exception generated is not expected to halt # archive generation archive_still_expected = False sos_cmd = '' @skipIf(lambda x: x.archive_still_expected, "0 exit code still expected") def test_nonzero_return_code(self): self.assertFalse(self.cmd_output.exit_status == 0) @skipIf(lambda x: x.archive_still_expected, "Output expected in test") def test_no_archive_generated(self): self.assertTrue(self.archive is None) class StageOneOutputTest(BaseSoSTest): """This test class should be used for tests that are only checking or validating output from a specific command or option, such as --help or --list. :avocado: disable :avocado: tags=stageone """ sos_cmd = '' def _generate_sos_command(self): return "%s %s" % (self.sos_bin, self.sos_cmd) @skipIf(lambda x: x._exception_expected, "Non-zero exit code expected") def test_help_output_successful(self): self.assertTrue(self.cmd_output.exit_status == 0) assert self.cmd_output.stdout, "No stdout output generated" assert not self.cmd_output.stderr, ( f"stderr received, but not expected: {self.cmd_output.stderr}") @skipIf(lambda x: not x._exception_expected, "Not anticipating stderr output") def test_help_error_reported(self): self.assertTrue(self.cmd_output.exit_status != 0) assert not self.cmd_output.stdout, ( f"stdout received, but not expected: {self.cmd_output.stdout}") assert self.cmd_output.stderr, "No stderr output generated"