#!/usr/bin/env python

"""
Run the test suite using a separate process for each test file.
"""

import os, sys, platform
from optparse import OptionParser

# Command template of the invocation of the test driver.
template = '%s/dotest.py %s -p %s %s'

def walk_and_invoke(test_root, dotest_options):
    """Look for matched file and invoke test driver on it."""
    failed = []
    passed = []
    for root, dirs, files in os.walk(test_root, topdown=False):
        for name in files:
            path = os.path.join(root, name)

            # We're only interested in the test file with the "Test*.py" naming pattern.
            if not name.startswith("Test") or not name.endswith(".py"):
                continue

            # Neither a symbolically linked file.
            if os.path.islink(path):
                continue

            command = template % (test_root, dotest_options if dotest_options else "", name, root)
            if 0 != os.system(command):
                failed.append(name) 
            else:
                passed.append(name)
    return (failed, passed)

def main():
    test_root = sys.path[0]

    parser = OptionParser(usage="""\
Run lldb test suite using a separate process for each test file.
""")
    parser.add_option('-o', '--options',
                      type='string', action='store',
                      dest='dotest_options',
                      help="""The options passed to 'dotest.py' if specified.""")

    opts, args = parser.parse_args()
    dotest_options = opts.dotest_options

    system_info = " ".join(platform.uname())
    (failed, passed) = walk_and_invoke(test_root, dotest_options)
    num_tests = len(failed) + len(passed)

    print "Ran %d tests." % num_tests
    if len(failed) > 0:
        print "Failing Tests (%d)" % len(failed)
        for f in failed:
          print "FAIL: LLDB (suite) :: %s (%s)" % (f, system_info)
        sys.exit(1)
    sys.exit(0)

if __name__ == '__main__':
    main()