Script to try to run multiple WTR in parallel

parallel_wtr.py

#!/usr/bin/python3

import os
import sys
import argparse
from multiprocessing import Pool

def parse_args():
    parser = argparse.ArgumentParser()

    parser.add_argument('--processes', '-p', type=int, default=5, help='Maximum number of parallel processes')
    parser.add_argument('--number', '-n', type=int, default=5, help='Number of tests to be run')
    parser.add_argument('webkitdir', help='WebKit root directory')
    parser.add_argument('test', help='Test case file')

    return parser.parse_args()

def run_process(data):
    i, command = data
    print(f"Maestro: Starting job {i}")
    os.system(command)


def main():

    args = parse_args()

    basepath = args.webkitdir
    testcase = args.test
    processes = args.processes
    number = args.number

    webkitbuild = os.path.join(basepath, 'WebKitBuild')
    jhbuild_wrapper = os.path.join(basepath, 'Tools', 'jhbuild', 'jhbuild-wrapper')
    wtr_exec = os.path.join(basepath, 'WebKitBuild', 'Debug', 'bin', 'WebKitTestRunner')

    os.environ['TEST_RUNNER_INJECTED_BUNDLE_FILENAME'] = os.path.join(basepath, 'WebKitBuild', 'Debug', 'lib', 'libTestRunnerInjectedBundle.so')

    command = f'{jhbuild_wrapper} --wpe run {wtr_exec} {testcase}'

    pool = Pool(processes=processes)
    pool.map(run_process, [(i, command) for i in range(number)])



if __name__ == "__main__":
    main()