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#! /usr/bin/env python
# work queue python binding tests
# tests for missing/recursive inputs/outputs.
import argparse
import atexit
import sys
import tempfile
import os
import os.path as path
import shutil
import stat
import time
import ndcctools.work_queue as wq
test_dir = tempfile.mkdtemp(prefix='wq.test', dir=".")
input_file = 'input.file'
exec_file = 'exec.file'
def cleanup():
shutil.rmtree(test_dir)
atexit.register(cleanup)
def report_task(task, expected_result, expected_exit_code, expected_outpus=None):
error = False
print("\nTask '{command}' report:".format(command=t.command))
if not task:
error = True
print("It was not completed by a worker.")
else:
print("result: {as_str} {as_int}".format(as_str=t.result_str, as_int=t.result))
print("exit code: {status}".format(status=t.return_status))
if t.output:
print("stderr:\n+++\n{stderr}---".format(stderr=t.output.encode('ascii','replace')))
if task.result != expected_result:
error = True
print("Should have finished with result '{result}', but got '{real}'.".format(result=expected_result, real=task.result))
elif task.return_status != expected_exit_code:
error = True
print("Should have finished with exit_code {status}, but got {real}.".format(status=str(expected_exit_code), real=str(task.return_status)))
elif expected_outpus:
for out in expected_outpus:
if not path.isfile(out):
error = True
print("Should have created file {output} but did not.".format(output=out))
else:
print("Completed as expected.")
if error:
sys.exit(1)
output_count = 0
def output_file():
global output_count
output_count += 1
return 'output_file.' + str(output_count)
def make_task(exe, input, output):
return t
if __name__ == '__main__':
parser = argparse.ArgumentParser("Test for Work Queue python bindings.")
parser.add_argument('port_file', help='File to write the port the queue is using.')
parser.add_argument('--ssl_key', default=None, help='SSL key in pem format.')
parser.add_argument('--ssl_cert', default=None, help='SSL certificate in pem format.')
args = parser.parse_args()
wait_time = 15
with open(path.join(test_dir, input_file), 'w') as f:
f.write('hello world\n')
shutil.copyfile('/bin/cat', path.join(test_dir, exec_file))
os.chmod(path.join(test_dir, exec_file), stat.S_IRWXU)
q = wq.WorkQueue(port=0, ssl=(args.ssl_key, args.ssl_cert), debug_log="manager.log")
with open(args.port_file, 'w') as f:
print('Writing port {port} to file {file}'.format(port=q.port, file=args.port_file))
f.write(str(q.port))
# simple task
# define a task, sending stderr to console, and stdout to output
output = output_file()
t = wq.Task("./{exe} {input} 2>&1 > {output}".format(exe=exec_file, input=input_file, output=output))
t.specify_input_file(path.join(test_dir, exec_file), exec_file)
t.specify_input_file(path.join(test_dir, input_file), input_file)
t.specify_output_file(path.join(test_dir, output), output)
q.submit(t)
t = q.wait(wait_time)
report_task(t, wq.WORK_QUEUE_RESULT_SUCCESS, 0, [path.join(test_dir, output)])
# same task as above, but testing resubmission on final state
for i in range(3):
q.submit(t)
t = q.wait(5)
report_task(t, wq.WORK_QUEUE_RESULT_SUCCESS, 0, [path.join(test_dir, output)])
# same simple task, but now we send the directory as an input
output = output_file()
t = wq.Task("cd my_dir && ./{exe} {input} 2>&1 > {output}".format(exe=exec_file, input=input_file, output=output))
t.specify_directory(test_dir, 'my_dir', recursive=True)
t.specify_output_file(path.join(test_dir, output), path.join('my_dir', output))
q.submit(t)
t = q.wait(wait_time)
report_task(t, wq.WORK_QUEUE_RESULT_SUCCESS, 0, [path.join(test_dir, output)])
# we bring back the outputs from a directory:
output = output_file()
t = wq.Task("mkdir outs && ./{exe} {input} 2>&1 > outs/{output}".format(exe=exec_file, input=input_file, output=output))
t.specify_input_file(path.join(test_dir, exec_file), exec_file)
t.specify_input_file(path.join(test_dir, input_file), input_file)
t.specify_directory(path.join(test_dir, 'outs'), 'outs', type = wq.WORK_QUEUE_OUTPUT)
q.submit(t)
t = q.wait(wait_time)
report_task(t, wq.WORK_QUEUE_RESULT_SUCCESS, 0, [path.join(test_dir, 'outs', output)])
# should fail because the 'executable' cannot be executed:
t = wq.Task("./{input}".format(input=input_file))
t.specify_input_file(path.join(test_dir, input_file), input_file)
q.submit(t)
t = q.wait(wait_time)
report_task(t, wq.WORK_QUEUE_RESULT_SUCCESS, 126)
# should fail because the 'executable' cannot be found:
t = wq.Task("./notacommand")
q.submit(t)
t = q.wait(wait_time)
report_task(t, wq.WORK_QUEUE_RESULT_SUCCESS, 127)
# should fail because an input file does not exists:
t = wq.Task("./notacommand")
t.specify_input_file('notacommand')
q.submit(t)
t = q.wait(wait_time)
report_task(t, wq.WORK_QUEUE_RESULT_INPUT_MISSING, -1)
# should fail because an output file was not created:
output = output_file()
t = wq.Task("./{exe} {input} 2>&1".format(exe=exec_file, input=input_file))
t.specify_input_file(path.join(test_dir, exec_file), exec_file)
t.specify_input_file(path.join(test_dir, input_file), input_file)
t.specify_output_file(path.join(test_dir, output), output)
q.submit(t)
t = q.wait(wait_time)
report_task(t, wq.WORK_QUEUE_RESULT_OUTPUT_MISSING, 0)
# should succeed in the alloted time
t = wq.Task("/bin/sleep 1")
t.specify_running_time_max(10)
q.submit(t)
t = q.wait(wait_time)
report_task(t, wq.WORK_QUEUE_RESULT_SUCCESS, 0)
# should fail in the alloted time
t = wq.Task("/bin/sleep 10")
t.specify_running_time_max(1)
q.submit(t)
t = q.wait(wait_time)
report_task(t, wq.WORK_QUEUE_RESULT_TASK_MAX_RUN_TIME, 9)
# should run in the alloted absolute time
t = wq.Task("/bin/sleep 1")
t.specify_end_time((time.time() + 5) * 1e6)
q.submit(t)
t = q.wait(wait_time)
report_task(t, wq.WORK_QUEUE_RESULT_SUCCESS, 0)
# should fail in the alloted absolute time
t = wq.Task("/bin/sleep 10")
t.specify_end_time((time.time() + 2) * 1e6)
q.submit(t)
t = q.wait(30)
report_task(t, wq.WORK_QUEUE_RESULT_TASK_TIMEOUT, 9)
# Now generate an input file from a shell command:
t = wq.Task("/bin/cat infile")
t.specify_file_command("curl http://www.nd.edu -o %%","infile",cache=True)
q.submit(t)
t = q.wait(wait_time)
report_task(t, wq.WORK_QUEUE_RESULT_SUCCESS, 0)
# second time should have it cached (though we can't tell from here)
t = wq.Task("/bin/cat infile")
t.specify_file_command("curl http://www.nd.edu -o %%","infile",cache=True)
q.submit(t)
t = q.wait(wait_time)
report_task(t, wq.WORK_QUEUE_RESULT_SUCCESS, 0)
# Now generate an input file from a shell command:
t = wq.Task("/bin/cat infile")
t.specify_url("http://www.nd.edu","infile",cache=True)
q.submit(t)
t = q.wait(wait_time)
report_task(t, wq.WORK_QUEUE_RESULT_SUCCESS, 0)
# second time should have it cached (though we can't tell from here)
t = wq.Task("/bin/cat infile")
t.specify_url("http://www.nd.edu","infile",cache=True)
q.submit(t)
t = q.wait(wait_time)
report_task(t, wq.WORK_QUEUE_RESULT_SUCCESS, 0)
# generate an invalid remote input file, should get an input missing error.
t = wq.Task("/bin/cat infile")
t.specify_url("http://pretty-sure-this-is-not-a-valid-url.com","infile",cache=True)
q.submit(t)
t = q.wait(wait_time)
report_task(t, wq.WORK_QUEUE_RESULT_INPUT_MISSING, 1)
# vim: set sts=4 sw=4 ts=4 expandtab ft=python:
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