1 # Test class and utilities for functional tests
3 # Copyright (c) 2018 Red Hat, Inc.
8 # This work is licensed under the terms of the GNU GPL, version 2 or
9 # later. See the COPYING file in the top-level directory.
19 SRC_ROOT_DIR = os.path.join(os.path.dirname(__file__), '..', '..', '..')
20 sys.path.append(os.path.join(SRC_ROOT_DIR, 'python'))
22 from qemu.machine import QEMUMachine
24 def is_readable_executable_file(path):
25 return os.path.isfile(path) and os.access(path, os.R_OK | os.X_OK)
28 def pick_default_qemu_bin(arch=None):
30 Picks the path of a QEMU binary, starting either in the current working
31 directory or in the source tree root directory.
33 :param arch: the arch to use when looking for a QEMU binary (the target
34 will match the arch given). If None (the default), arch
35 will be the current host system arch (as given by
38 :returns: the path to the default QEMU binary or None if one could not
44 # qemu binary path does not match arch for powerpc, handle it
47 qemu_bin_relative_path = os.path.join("%s-softmmu" % arch,
48 "qemu-system-%s" % arch)
49 if is_readable_executable_file(qemu_bin_relative_path):
50 return qemu_bin_relative_path
52 qemu_bin_from_src_dir_path = os.path.join(SRC_ROOT_DIR,
53 qemu_bin_relative_path)
54 if is_readable_executable_file(qemu_bin_from_src_dir_path):
55 return qemu_bin_from_src_dir_path
58 def wait_for_console_pattern(test, success_message, failure_message=None):
60 Waits for messages to appear on the console, while logging the content
62 :param test: an Avocado test containing a VM that will have its console
63 read and probed for a success or failure message
64 :type test: :class:`avocado_qemu.Test`
65 :param success_message: if this message appears, test succeeds
66 :param failure_message: if this message appears, test fails
68 console = test.vm.console_socket.makefile()
69 console_logger = logging.getLogger('console')
71 msg = console.readline().strip()
74 console_logger.debug(msg)
75 if success_message in msg:
77 if failure_message and failure_message in msg:
78 fail = 'Failure message found in console: %s' % failure_message
82 class Test(avocado.Test):
85 arches = self.tags.get('arch', [])
90 self.arch = self.params.get('arch', default=arch)
91 default_qemu_bin = pick_default_qemu_bin(arch=self.arch)
92 self.qemu_bin = self.params.get('qemu_bin',
93 default=default_qemu_bin)
94 if self.qemu_bin is None:
95 self.cancel("No QEMU binary defined or found in the source tree")
97 def _new_vm(self, *args):
98 vm = QEMUMachine(self.qemu_bin, sock_dir=tempfile.mkdtemp())
105 return self.get_vm(name='default')
107 def get_vm(self, *args, name=None):
109 name = str(uuid.uuid4())
110 if self._vms.get(name) is None:
111 self._vms[name] = self._new_vm(*args)
112 return self._vms[name]
115 for vm in self._vms.values():