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tests/avocado: Share useful helpers from virtiofs_submounts test

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Move the useful has_cmd()/has_cmds() helpers from the virtiofs
test to the avocado_qemu public class.

Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211105143416.148332-5-f4bug@amsat.org>
This commit is contained in:
Philippe Mathieu-Daudé 2021-03-15 23:55:43 +01:00 committed by Philippe Mathieu-Daudé
parent 5334df4822
commit 0e4b1c9435
2 changed files with 59 additions and 57 deletions
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57
tests/avocado/avocado_qemu/__init__.py
View file

@ -11,6 +11,7 @@
import logging
import os
import shutil
import subprocess
import sys
import tempfile
import time
@ -41,6 +42,62 @@
tcg_available)
def has_cmd(name, args=None):
"""
This function is for use in a @avocado.skipUnless decorator, e.g.:
@skipUnless(*has_cmd('sudo -n', ('sudo', '-n', 'true')))
def test_something_that_needs_sudo(self):
...
"""
if args is None:
args = ('which', name)
try:
_, stderr, exitcode = run_cmd(args)
except Exception as e:
exitcode = -1
stderr = str(e)
if exitcode != 0:
cmd_line = ' '.join(args)
err = f'{name} required, but "{cmd_line}" failed: {stderr.strip()}'
return (False, err)
else:
return (True, '')
def has_cmds(*cmds):
"""
This function is for use in a @avocado.skipUnless decorator and
allows checking for the availability of multiple commands, e.g.:
@skipUnless(*has_cmds(('cmd1', ('cmd1', '--some-parameter')),
'cmd2', 'cmd3'))
def test_something_that_needs_cmd1_and_cmd2(self):
...
"""
for cmd in cmds:
if isinstance(cmd, str):
cmd = (cmd,)
ok, errstr = has_cmd(*cmd)
if not ok:
return (False, errstr)
return (True, '')
def run_cmd(args):
subp = subprocess.Popen(args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
universal_newlines=True)
stdout, stderr = subp.communicate()
ret = subp.returncode
return (stdout, stderr, ret)
def is_readable_executable_file(path):
return os.path.isfile(path) and os.access(path, os.R_OK | os.X_OK)

59
tests/avocado/virtiofs_submounts.py
View file

@ -6,67 +6,12 @@
from avocado import skipUnless
from avocado_qemu import LinuxTest, BUILD_DIR
from avocado_qemu import has_cmds
from avocado_qemu import run_cmd
from avocado_qemu import wait_for_console_pattern
from avocado.utils import ssh
def run_cmd(args):
subp = subprocess.Popen(args,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
universal_newlines=True)
stdout, stderr = subp.communicate()
ret = subp.returncode
return (stdout, stderr, ret)
def has_cmd(name, args=None):
"""
This function is for use in a @avocado.skipUnless decorator, e.g.:
@skipUnless(*has_cmd('sudo -n', ('sudo', '-n', 'true')))
def test_something_that_needs_sudo(self):
...
"""
if args is None:
args = ('which', name)
try:
_, stderr, exitcode = run_cmd(args)
except Exception as e:
exitcode = -1
stderr = str(e)
if exitcode != 0:
cmd_line = ' '.join(args)
err = f'{name} required, but "{cmd_line}" failed: {stderr.strip()}'
return (False, err)
else:
return (True, '')
def has_cmds(*cmds):
"""
This function is for use in a @avocado.skipUnless decorator and
allows checking for the availability of multiple commands, e.g.:
@skipUnless(*has_cmds(('cmd1', ('cmd1', '--some-parameter')),
'cmd2', 'cmd3'))
def test_something_that_needs_cmd1_and_cmd2(self):
...
"""
for cmd in cmds:
if isinstance(cmd, str):
cmd = (cmd,)
ok, errstr = has_cmd(*cmd)
if not ok:
return (False, errstr)
return (True, '')
class VirtiofsSubmountsTest(LinuxTest):
"""
:avocado: tags=arch:x86_64