ffa175f22d
mformat is needed by grub-mkrescue and hence, add this as one of the dependencies to run bits tests. This avoids errors such as the following: /var/tmp/acpi-bits-wju6tqoa.tmp/grub-inst-x86_64-efi/bin/grub-mkrescue: 360: mformat: not found Signed-off-by: Ani Sinha <ani@anisinha.ca> Message-Id: <20221203132407.34539-1-ani@anisinha.ca> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
399 lines
16 KiB
Python
399 lines
16 KiB
Python
#!/usr/bin/env python3
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# group: rw quick
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# Exercize QEMU generated ACPI/SMBIOS tables using biosbits,
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# https://biosbits.org/
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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#
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# Author:
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# Ani Sinha <ani@anisinha.ca>
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# pylint: disable=invalid-name
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# pylint: disable=consider-using-f-string
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"""
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This is QEMU ACPI/SMBIOS avocado tests using biosbits.
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Biosbits is available originally at https://biosbits.org/.
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This test uses a fork of the upstream bits and has numerous fixes
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including an upgraded acpica. The fork is located here:
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https://gitlab.com/qemu-project/biosbits-bits .
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"""
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import logging
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import os
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import platform
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import re
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import shutil
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import subprocess
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import tarfile
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import tempfile
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import time
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import zipfile
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from typing import (
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List,
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Optional,
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Sequence,
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)
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from qemu.machine import QEMUMachine
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from avocado import skipIf
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from avocado_qemu import QemuBaseTest
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deps = ["xorriso", "mformat"] # dependent tools needed in the test setup/box.
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supported_platforms = ['x86_64'] # supported test platforms.
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def which(tool):
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""" looks up the full path for @tool, returns None if not found
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or if @tool does not have executable permissions.
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"""
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paths=os.getenv('PATH')
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for p in paths.split(os.path.pathsep):
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p = os.path.join(p, tool)
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if os.path.exists(p) and os.access(p, os.X_OK):
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return p
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return None
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def missing_deps():
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""" returns True if any of the test dependent tools are absent.
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"""
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for dep in deps:
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if which(dep) is None:
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return True
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return False
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def supported_platform():
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""" checks if the test is running on a supported platform.
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"""
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return platform.machine() in supported_platforms
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class QEMUBitsMachine(QEMUMachine): # pylint: disable=too-few-public-methods
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"""
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A QEMU VM, with isa-debugcon enabled and bits iso passed
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using -cdrom to QEMU commandline.
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"""
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def __init__(self,
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binary: str,
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args: Sequence[str] = (),
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wrapper: Sequence[str] = (),
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name: Optional[str] = None,
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base_temp_dir: str = "/var/tmp",
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debugcon_log: str = "debugcon-log.txt",
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debugcon_addr: str = "0x403",
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sock_dir: Optional[str] = None,
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qmp_timer: Optional[float] = None):
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# pylint: disable=too-many-arguments
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if name is None:
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name = "qemu-bits-%d" % os.getpid()
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if sock_dir is None:
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sock_dir = base_temp_dir
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super().__init__(binary, args, wrapper=wrapper, name=name,
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base_temp_dir=base_temp_dir,
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sock_dir=sock_dir, qmp_timer=qmp_timer)
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self.debugcon_log = debugcon_log
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self.debugcon_addr = debugcon_addr
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self.base_temp_dir = base_temp_dir
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@property
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def _base_args(self) -> List[str]:
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args = super()._base_args
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args.extend([
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'-chardev',
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'file,path=%s,id=debugcon' %os.path.join(self.base_temp_dir,
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self.debugcon_log),
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'-device',
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'isa-debugcon,iobase=%s,chardev=debugcon' %self.debugcon_addr,
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])
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return args
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def base_args(self):
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"""return the base argument to QEMU binary"""
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return self._base_args
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@skipIf(not supported_platform() or missing_deps() or os.getenv('GITLAB_CI'),
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'incorrect platform or dependencies (%s) not installed ' \
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'or running on GitLab' % ','.join(deps))
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class AcpiBitsTest(QemuBaseTest): #pylint: disable=too-many-instance-attributes
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"""
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ACPI and SMBIOS tests using biosbits.
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:avocado: tags=arch:x86_64
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:avocado: tags=acpi
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"""
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# in slower systems the test can take as long as 3 minutes to complete.
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timeout = 200
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self._vm = None
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self._workDir = None
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self._baseDir = None
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# following are some standard configuration constants
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self._bitsInternalVer = 2020
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self._bitsCommitHash = 'b48b88ff' # commit hash must match
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# the artifact tag below
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self._bitsTag = "qemu-bits-10182022" # this is the latest bits
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# release as of today.
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self._bitsArtSHA1Hash = 'b04790ac9b99b5662d0416392c73b97580641fe5'
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self._bitsArtURL = ("https://gitlab.com/qemu-project/"
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"biosbits-bits/-/jobs/artifacts/%s/"
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"download?job=qemu-bits-build" %self._bitsTag)
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self._debugcon_addr = '0x403'
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self._debugcon_log = 'debugcon-log.txt'
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logging.basicConfig(level=logging.INFO)
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self.logger = logging.getLogger('acpi-bits')
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def _print_log(self, log):
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self.logger.info('\nlogs from biosbits follows:')
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self.logger.info('==========================================\n')
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self.logger.info(log)
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self.logger.info('==========================================\n')
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def copy_bits_config(self):
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""" copies the bios bits config file into bits.
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"""
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config_file = 'bits-cfg.txt'
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bits_config_dir = os.path.join(self._baseDir, 'acpi-bits',
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'bits-config')
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target_config_dir = os.path.join(self._workDir,
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'bits-%d' %self._bitsInternalVer,
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'boot')
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self.assertTrue(os.path.exists(bits_config_dir))
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self.assertTrue(os.path.exists(target_config_dir))
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self.assertTrue(os.access(os.path.join(bits_config_dir,
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config_file), os.R_OK))
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shutil.copy2(os.path.join(bits_config_dir, config_file),
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target_config_dir)
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self.logger.info('copied config file %s to %s',
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config_file, target_config_dir)
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def copy_test_scripts(self):
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"""copies the python test scripts into bits. """
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bits_test_dir = os.path.join(self._baseDir, 'acpi-bits',
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'bits-tests')
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target_test_dir = os.path.join(self._workDir,
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'bits-%d' %self._bitsInternalVer,
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'boot', 'python')
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self.assertTrue(os.path.exists(bits_test_dir))
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self.assertTrue(os.path.exists(target_test_dir))
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for filename in os.listdir(bits_test_dir):
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if os.path.isfile(os.path.join(bits_test_dir, filename)) and \
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filename.endswith('.py2'):
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# all test scripts are named with extension .py2 so that
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# avocado does not try to load them. These scripts are
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# written for python 2.7 not python 3 and hence if avocado
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# loaded them, it would complain about python 3 specific
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# syntaxes.
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newfilename = os.path.splitext(filename)[0] + '.py'
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shutil.copy2(os.path.join(bits_test_dir, filename),
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os.path.join(target_test_dir, newfilename))
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self.logger.info('copied test file %s to %s',
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filename, target_test_dir)
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# now remove the pyc test file if it exists, otherwise the
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# changes in the python test script won't be executed.
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testfile_pyc = os.path.splitext(filename)[0] + '.pyc'
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if os.access(os.path.join(target_test_dir, testfile_pyc),
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os.F_OK):
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os.remove(os.path.join(target_test_dir, testfile_pyc))
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self.logger.info('removed compiled file %s',
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os.path.join(target_test_dir,
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testfile_pyc))
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def fix_mkrescue(self, mkrescue):
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""" grub-mkrescue is a bash script with two variables, 'prefix' and
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'libdir'. They must be pointed to the right location so that the
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iso can be generated appropriately. We point the two variables to
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the directory where we have extracted our pre-built bits grub
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tarball.
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"""
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grub_x86_64_mods = os.path.join(self._workDir, 'grub-inst-x86_64-efi')
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grub_i386_mods = os.path.join(self._workDir, 'grub-inst')
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self.assertTrue(os.path.exists(grub_x86_64_mods))
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self.assertTrue(os.path.exists(grub_i386_mods))
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new_script = ""
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with open(mkrescue, 'r', encoding='utf-8') as filehandle:
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orig_script = filehandle.read()
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new_script = re.sub('(^prefix=)(.*)',
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r'\1"%s"' %grub_x86_64_mods,
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orig_script, flags=re.M)
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new_script = re.sub('(^libdir=)(.*)', r'\1"%s/lib"' %grub_i386_mods,
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new_script, flags=re.M)
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with open(mkrescue, 'w', encoding='utf-8') as filehandle:
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filehandle.write(new_script)
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def generate_bits_iso(self):
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""" Uses grub-mkrescue to generate a fresh bits iso with the python
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test scripts
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"""
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bits_dir = os.path.join(self._workDir,
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'bits-%d' %self._bitsInternalVer)
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iso_file = os.path.join(self._workDir,
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'bits-%d.iso' %self._bitsInternalVer)
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mkrescue_script = os.path.join(self._workDir,
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'grub-inst-x86_64-efi', 'bin',
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'grub-mkrescue')
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self.assertTrue(os.access(mkrescue_script,
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os.R_OK | os.W_OK | os.X_OK))
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self.fix_mkrescue(mkrescue_script)
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self.logger.info('using grub-mkrescue for generating biosbits iso ...')
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try:
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if os.getenv('V') or os.getenv('BITS_DEBUG'):
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subprocess.check_call([mkrescue_script, '-o', iso_file,
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bits_dir], stderr=subprocess.STDOUT)
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else:
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subprocess.check_call([mkrescue_script, '-o',
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iso_file, bits_dir],
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stderr=subprocess.DEVNULL,
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stdout=subprocess.DEVNULL)
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except Exception as e: # pylint: disable=broad-except
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self.skipTest("Error while generating the bits iso. "
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"Pass V=1 in the environment to get more details. "
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+ str(e))
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self.assertTrue(os.access(iso_file, os.R_OK))
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self.logger.info('iso file %s successfully generated.', iso_file)
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def setUp(self): # pylint: disable=arguments-differ
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super().setUp('qemu-system-')
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self._baseDir = os.getenv('AVOCADO_TEST_BASEDIR')
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# workdir could also be avocado's own workdir in self.workdir.
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# At present, I prefer to maintain my own temporary working
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# directory. It gives us more control over the generated bits
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# log files and also for debugging, we may chose not to remove
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# this working directory so that the logs and iso can be
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# inspected manually and archived if needed.
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self._workDir = tempfile.mkdtemp(prefix='acpi-bits-',
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suffix='.tmp')
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self.logger.info('working dir: %s', self._workDir)
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prebuiltDir = os.path.join(self._workDir, 'prebuilt')
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if not os.path.isdir(prebuiltDir):
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os.mkdir(prebuiltDir, mode=0o775)
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bits_zip_file = os.path.join(prebuiltDir, 'bits-%d-%s.zip'
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%(self._bitsInternalVer,
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self._bitsCommitHash))
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grub_tar_file = os.path.join(prebuiltDir,
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'bits-%d-%s-grub.tar.gz'
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%(self._bitsInternalVer,
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self._bitsCommitHash))
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bitsLocalArtLoc = self.fetch_asset(self._bitsArtURL,
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asset_hash=self._bitsArtSHA1Hash)
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self.logger.info("downloaded bits artifacts to %s", bitsLocalArtLoc)
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# extract the bits artifact in the temp working directory
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with zipfile.ZipFile(bitsLocalArtLoc, 'r') as zref:
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zref.extractall(prebuiltDir)
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# extract the bits software in the temp working directory
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with zipfile.ZipFile(bits_zip_file, 'r') as zref:
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zref.extractall(self._workDir)
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with tarfile.open(grub_tar_file, 'r', encoding='utf-8') as tarball:
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tarball.extractall(self._workDir)
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self.copy_test_scripts()
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self.copy_bits_config()
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self.generate_bits_iso()
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def parse_log(self):
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"""parse the log generated by running bits tests and
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check for failures.
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"""
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debugconf = os.path.join(self._workDir, self._debugcon_log)
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log = ""
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with open(debugconf, 'r', encoding='utf-8') as filehandle:
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log = filehandle.read()
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matchiter = re.finditer(r'(.*Summary: )(\d+ passed), (\d+ failed).*',
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log)
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for match in matchiter:
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# verify that no test cases failed.
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try:
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self.assertEqual(match.group(3).split()[0], '0',
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'Some bits tests seems to have failed. ' \
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'Please check the test logs for more info.')
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except AssertionError as e:
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self._print_log(log)
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raise e
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else:
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if os.getenv('V') or os.getenv('BITS_DEBUG'):
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self._print_log(log)
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def tearDown(self):
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"""
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Lets do some cleanups.
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"""
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if self._vm:
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self.assertFalse(not self._vm.is_running)
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if not os.getenv('BITS_DEBUG'):
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self.logger.info('removing the work directory %s', self._workDir)
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shutil.rmtree(self._workDir)
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else:
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self.logger.info('not removing the work directory %s ' \
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'as BITS_DEBUG is ' \
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'passed in the environment', self._workDir)
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super().tearDown()
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def test_acpi_smbios_bits(self):
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"""The main test case implementaion."""
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iso_file = os.path.join(self._workDir,
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'bits-%d.iso' %self._bitsInternalVer)
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self.assertTrue(os.access(iso_file, os.R_OK))
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self._vm = QEMUBitsMachine(binary=self.qemu_bin,
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base_temp_dir=self._workDir,
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debugcon_log=self._debugcon_log,
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debugcon_addr=self._debugcon_addr)
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self._vm.add_args('-cdrom', '%s' %iso_file)
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# the vm needs to be run under icount so that TCG emulation is
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# consistent in terms of timing. smilatency tests have consistent
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# timing requirements.
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self._vm.add_args('-icount', 'auto')
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args = " ".join(str(arg) for arg in self._vm.base_args()) + \
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" " + " ".join(str(arg) for arg in self._vm.args)
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self.logger.info("launching QEMU vm with the following arguments: %s",
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args)
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self._vm.launch()
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# biosbits has been configured to run all the specified test suites
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# in batch mode and then automatically initiate a vm shutdown.
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# Rely on avocado's unit test timeout.
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self._vm.wait(timeout=None)
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self.parse_log()
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