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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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