#!/usr/bin/env python3

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import sys
sys.dont_write_bytecode = True

import argparse
import os
import sys
import unittest

from cassandra.cqlengine.management import CQLENG_ALLOW_SCHEMA_MANAGEMENT

def main():
    parser = argparse.ArgumentParser(description='Run unit tests for resultsdbpy')
    parser.add_argument('-v', '--verbose',
                      default=False, action='store_true',
                      help='Verbose output')
    parser.add_argument('--stop-on-fail',
                      default=False, action='store_true',
                      help='Stop on first fail or error')
    parser.add_argument('modules_to_test', nargs='*',
                      help='Modules to be tested. By default, this is the database, flask_support, model and view modules',
                      default=['controller', 'flask_support', 'model', 'view'])
    parser.add_argument('-f', '--fast-tests',
                      default=False, action='store_true',
                      help='Some tests require a docker instance and are slow, optionally skip these')
    parser.add_argument('--no-web-server',
                        dest='web_server', default=True, action='store_false',
                        help='Some tests use a Flask webserver, optionally skip these')
    parser.add_argument('--no-selenium',
                        dest='selenium', default=True, action='store_false',
                        help='Some tests use Selenium to test the UI of the site, optionally skip these')
    options = parser.parse_args()

    os.environ['slow_tests'] = '0' if options.fast_tests else '1'
    os.environ['web_server'] = '1' if options.web_server else '0'
    os.environ['selenium'] = '1' if options.selenium else '0'
    os.environ[CQLENG_ALLOW_SCHEMA_MANAGEMENT] = '1'

    root = os.path.dirname(os.path.abspath(__file__))

    suite = unittest.TestSuite()
    for module_name in options.modules_to_test:
        module_suite = unittest.defaultTestLoader.discover(os.path.join(root, module_name.replace('.', '/')), pattern='*unittest.py', top_level_dir=os.path.join(root, '..'))
        for tst in module_suite if module_suite else []:
            suite.addTest(tst)

    if suite.countTestCases() == 0:
        raise RuntimeError('No tests matching...')

    result = unittest.TextTestRunner(verbosity=2 if options.verbose else 1, failfast=options.stop_on_fail, buffer=not options.verbose).run(suite)
    return len(result.errors)

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