def test_user_script_error_raised(run_entry_point, training_env):
output = 'Not \'gloo::EnforceNotMet\' exception.'
run_entry_point.side_effect = errors.ExecuteUserScriptError(
cmd='Command "/usr/bin/python -m userscript"',
output=output.encode('latin1') if six.PY3 else output)
with pytest.raises(errors.ExecuteUserScriptError):
train(training_env)
def test_execute_user_script_error():
error = errors.ExecuteUserScriptError(["python", "-m", "42"],
return_code=42)
assert (str(error) ==
'ExecuteUserScriptError:\nExitCode 42\nErrorMessage ""\nCommand'
" \"['python', '-m', '42']\"")
def test_gloo_exception_intercepted(run_entry_point, training_env):
output = 'terminate called after throwing an instance of \'gloo::EnforceNotMet\''
run_entry_point.side_effect = errors.ExecuteUserScriptError(
cmd='Command "/usr/bin/python -m userscript"',
output=output.encode('latin1') if six.PY3 else output)
train(training_env)
run_entry_point.assert_called()
def test_execute_user_script_error_with_output():
error = errors.ExecuteUserScriptError(["python", "-m", "42"],
return_code=137,
output=b"42")
assert (str(error) ==
'ExecuteUserScriptError:\nExitCode 137\nErrorMessage "42"\nCommand'
" \"['python', '-m', '42']\"")
def test_execute_user_script_error_with_output():
error = errors.ExecuteUserScriptError(["python", "-m", "42"],
return_code=42,
output=b"42")
assert (str(error) == """ExecuteUserScriptError:
Command "['python', '-m', '42']"
42""")
def test_execute_user_script_error_with_output_and_info():
error = errors.ExecuteUserScriptError(["python", "-m", "42"],
return_code=137,
output="42",
info="SIGKILL")
assert (
str(error) == "ExecuteUserScriptError:\nExitCode 137\nErrorMessage"
" \"42\"\nExtraInfo \"SIGKILL\"\nCommand \"['python', '-m', '42']\"")
def create(
cmd,
error_classes,
processes_per_host,
cwd=None,
env=None,
capture_error=False,
**kwargs,
):
"""Spawn a process with asyncio for the given command.
Args:
cmd (list): The command to be run.
error_classes (list): List of exception classes to watch and raise.
cwd (str): The location from which to run the command (default: None).
If None, this defaults to the ``code_dir`` of the environment.
env: os.environ
capture_error (bool): Whether or not to direct stderr to a stream
that can later be read (default: False).
**kwargs: Extra arguments that are passed to the asyncio create subprocess constructor.
Returns:
asyncio.subprocess.Process: The asyncio process for the given command.
Raises:
ExecuteUserScriptError: If there is an exception raised when creating the process.
"""
try:
stderr = PIPE if capture_error else None
rc, output, proc = asyncio.run(
run_async(
cmd,
processes_per_host,
env=env or os.environ,
cwd=cwd or environment.code_dir,
stderr=stderr,
error_classes=error_classes,
**kwargs,
))
return rc, output, proc
except Exception as e: # pylint: disable=broad-except
six.reraise(
errors.ExecuteUserScriptError,
errors.ExecuteUserScriptError(e),
sys.exc_info()[2],
)
def test_execute_user_script_error():
error = errors.ExecuteUserScriptError(["python", "-m", "42"],
return_code=42)
assert str(
error) == "ExecuteUserScriptError:\nCommand \"['python', '-m', '42']\""