88 lines
2.7 KiB
Python
88 lines
2.7 KiB
Python
# Test class and utilities for functional tests
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#
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# Copyright (c) 2018 Red Hat, Inc.
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#
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# Author:
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# Cleber Rosa <crosa@redhat.com>
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#
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# This work is licensed under the terms of the GNU GPL, version 2 or
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# later. See the COPYING file in the top-level directory.
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import os
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import sys
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import uuid
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import avocado
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SRC_ROOT_DIR = os.path.join(os.path.dirname(__file__), '..', '..', '..')
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sys.path.append(os.path.join(SRC_ROOT_DIR, 'python'))
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from qemu.machine import QEMUMachine
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def is_readable_executable_file(path):
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return os.path.isfile(path) and os.access(path, os.R_OK | os.X_OK)
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def pick_default_qemu_bin(arch=None):
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"""
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Picks the path of a QEMU binary, starting either in the current working
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directory or in the source tree root directory.
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:param arch: the arch to use when looking for a QEMU binary (the target
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will match the arch given). If None (the default), arch
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will be the current host system arch (as given by
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:func:`os.uname`).
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:type arch: str
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:returns: the path to the default QEMU binary or None if one could not
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be found
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:rtype: str or None
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"""
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if arch is None:
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arch = os.uname()[4]
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qemu_bin_relative_path = os.path.join("%s-softmmu" % arch,
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"qemu-system-%s" % arch)
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if is_readable_executable_file(qemu_bin_relative_path):
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return qemu_bin_relative_path
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qemu_bin_from_src_dir_path = os.path.join(SRC_ROOT_DIR,
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qemu_bin_relative_path)
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if is_readable_executable_file(qemu_bin_from_src_dir_path):
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return qemu_bin_from_src_dir_path
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class Test(avocado.Test):
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def setUp(self):
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self._vms = {}
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arches = self.tags.get('arch', [])
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if len(arches) == 1:
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arch = arches.pop()
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else:
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arch = None
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self.arch = self.params.get('arch', default=arch)
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default_qemu_bin = pick_default_qemu_bin(arch=self.arch)
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self.qemu_bin = self.params.get('qemu_bin',
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default=default_qemu_bin)
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if self.qemu_bin is None:
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self.cancel("No QEMU binary defined or found in the source tree")
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def _new_vm(self, *args):
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vm = QEMUMachine(self.qemu_bin)
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if args:
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vm.add_args(*args)
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return vm
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@property
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def vm(self):
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return self.get_vm(name='default')
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def get_vm(self, *args, name=None):
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if not name:
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name = str(uuid.uuid4())
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if self._vms.get(name) is None:
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self._vms[name] = self._new_vm(*args)
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return self._vms[name]
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def tearDown(self):
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for vm in self._vms.values():
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vm.shutdown()
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