#!/usr/bin/python

import getopt
import sys
import os
import unittest
from util import get_build_dir

#-------------------------------------------------------------------------------

prog_name = os.path.basename(sys.argv[0])

config = {
    'in_tree'          : True,
}

#-------------------------------------------------------------------------------

def run_tests():

    import setup_certs
    import test_cert_components
    import test_cipher
    import test_digest
    import test_pkcs12
    import test_client_server

    setup_certs.setup_certs()

    loader = unittest.TestLoader()
    runner = unittest.TextTestRunner()

    suite  = loader.loadTestsFromModule(test_cert_components)
    suite.addTests(loader.loadTestsFromModule(test_cipher))
    suite.addTests(loader.loadTestsFromModule(test_digest))
    suite.addTests(loader.loadTestsFromModule(test_pkcs12))
    suite.addTests(loader.loadTestsFromModule(test_client_server))

    result = runner.run(suite)
    return len(result.failures)

#-------------------------------------------------------------------------------

class Usage(Exception):
    def __init__(self, msg):
        self.msg = msg

def usage():
    'Print command help.'

    return '''\
%(prog_name)s [-i]

-h --help          print help
-i --installed     runs the test using installed libraries
                   instead of "in tree" libraries

Runs unit tests.
By default test is done "in tree".

Examples:

Run test using libraries built in this tree
%(prog_name)s

Run post install test
%(prog_name)s -i
''' % {'prog_name' : prog_name,
      }

#-------------------------------------------------------------------------------

def main(argv=None):
    if argv is None:
        argv = sys.argv

    try:
        try:
            opts, args = getopt.getopt(argv[1:], 'hi',
                                       ['help', 'installed',])
        except getopt.GetoptError, e:
            raise Usage(e)
            return 2

        for o, a in opts:
            if o in ('-h', '--help'):
                print >>sys.stdout, usage()
                return 0
            elif o in ('-i', '--installed'):
                config['in_tree'] = False
            else:
                raise Usage("command argument '%s' not handled, internal error" % o)
    except Usage, e:
        print >>sys.stderr, e.msg
        print >>sys.stderr, "for help use --help"
        return 2


    if config['in_tree']:
        # Run the tests "in the tree"
        # Rather than testing with installed versions run the test
        # with the package built in this tree.

        build_dir = get_build_dir()
        if build_dir and os.path.exists(build_dir):
            print "Using local libraries from tree, located here:\n%s\n" % build_dir
            sys.path.insert(0, build_dir)
        else:
            print >>sys.stderr, "ERROR: Unable to locate in tree libraries"
            return 2
    else:
        print "Using installed libraries"

    num_failures = run_tests()

    if num_failures == 0:
        return 0
    else:
        return 1

#-------------------------------------------------------------------------------

if __name__ == '__main__':
    sys.exit(main())