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from oeqa.selftest.case import OESelftestTestCase
from oeqa.utils.commands import runCmd
from oeqa.utils import CommandError
import subprocess
import threading
import time
import signal
class MemLogger(object):
def __init__(self):
self.info_msgs = []
self.error_msgs = []
def info(self, msg):
self.info_msgs.append(msg)
def error(self, msg):
self.error_msgs.append(msg)
class RunCmdTests(OESelftestTestCase):
""" Basic tests for runCmd() utility function """
# The delta is intentionally smaller than the timeout, to detect cases where
# we incorrectly apply the timeout more than once.
TIMEOUT = 5
DELTA = 3
def test_result_okay(self):
result = runCmd("true")
self.assertEqual(result.status, 0)
def test_result_false(self):
result = runCmd("false", ignore_status=True)
self.assertEqual(result.status, 1)
def test_shell(self):
# A shell is used for all string commands.
result = runCmd("false; true", ignore_status=True)
self.assertEqual(result.status, 0)
def test_no_shell(self):
self.assertRaises(FileNotFoundError,
runCmd, "false; true", shell=False)
def test_list_not_found(self):
self.assertRaises(FileNotFoundError,
runCmd, ["false; true"])
def test_list_okay(self):
result = runCmd(["true"])
self.assertEqual(result.status, 0)
def test_result_assertion(self):
self.assertRaisesRegexp(AssertionError, "Command 'echo .* false' returned non-zero exit status 1:\nfoobar",
runCmd, "echo foobar >&2; false", shell=True)
def test_result_exception(self):
self.assertRaisesRegexp(CommandError, "Command 'echo .* false' returned non-zero exit status 1 with output: foobar",
runCmd, "echo foobar >&2; false", shell=True, assert_error=False)
def test_output(self):
result = runCmd("echo stdout; echo stderr >&2", shell=True)
self.assertEqual("stdout\nstderr", result.output)
self.assertEqual("", result.error)
def test_output_split(self):
result = runCmd("echo stdout; echo stderr >&2", shell=True, stderr=subprocess.PIPE)
self.assertEqual("stdout", result.output)
self.assertEqual("stderr", result.error)
def test_timeout(self):
numthreads = threading.active_count()
start = time.time()
# Killing a hanging process only works when not using a shell?!
result = runCmd(['sleep', '60'], timeout=self.TIMEOUT, ignore_status=True)
self.assertEqual(result.status, -signal.SIGTERM)
end = time.time()
self.assertLess(end - start, self.TIMEOUT + self.DELTA)
self.assertEqual(numthreads, threading.active_count())
def test_timeout_split(self):
numthreads = threading.active_count()
start = time.time()
# Killing a hanging process only works when not using a shell?!
result = runCmd(['sleep', '60'], timeout=self.TIMEOUT, ignore_status=True, stderr=subprocess.PIPE)
self.assertEqual(result.status, -signal.SIGTERM)
end = time.time()
self.assertLess(end - start, self.TIMEOUT + self.DELTA)
self.assertEqual(numthreads, threading.active_count())
def test_stdin(self):
numthreads = threading.active_count()
result = runCmd("cat", data=b"hello world", timeout=self.TIMEOUT)
self.assertEqual("hello world", result.output)
self.assertEqual(numthreads, threading.active_count())
def test_stdin_timeout(self):
numthreads = threading.active_count()
start = time.time()
result = runCmd(['sleep', '60'], data=b"hello world", timeout=self.TIMEOUT, ignore_status=True)
self.assertEqual(result.status, -signal.SIGTERM)
end = time.time()
self.assertLess(end - start, self.TIMEOUT + self.DELTA)
self.assertEqual(numthreads, threading.active_count())
def test_log(self):
log = MemLogger()
result = runCmd("echo stdout; echo stderr >&2", shell=True, output_log=log)
self.assertEqual(["Running: echo stdout; echo stderr >&2", "stdout", "stderr"], log.info_msgs)
self.assertEqual([], log.error_msgs)
def test_log_split(self):
log = MemLogger()
result = runCmd("echo stdout; echo stderr >&2", shell=True, output_log=log, stderr=subprocess.PIPE)
self.assertEqual(["Running: echo stdout; echo stderr >&2", "stdout"], log.info_msgs)
self.assertEqual(["stderr"], log.error_msgs)
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