| 1 | # Copyright (c) 2016, Matt Layman |
| 2 | |
| 3 | import argparse |
| 4 | import sys |
| 5 | import unittest |
| 6 | |
| 7 | from tap.i18n import _ |
| 8 | from tap.loader import Loader |
| 9 | |
| 10 | |
| 11 | def main(argv=sys.argv, stream=sys.stderr): |
| 12 | """Entry point for ``tappy`` command.""" |
| 13 | args = parse_args(argv) |
| 14 | suite = build_suite(args) |
| 15 | runner = unittest.TextTestRunner(verbosity=args.verbose, stream=stream) |
| 16 | result = runner.run(suite) |
| 17 | |
| 18 | return get_status(result) |
| 19 | |
| 20 | |
| 21 | def build_suite(args): |
| 22 | """Build a test suite by loading TAP files or a TAP stream.""" |
| 23 | loader = Loader() |
| 24 | if len(args.files) == 0 or args.files[0] == '-': |
| 25 | suite = loader.load_suite_from_stdin() |
| 26 | else: |
| 27 | suite = loader.load(args.files) |
| 28 | return suite |
| 29 | |
| 30 | |
| 31 | def parse_args(argv): |
| 32 | description = _('A TAP consumer for Python') |
| 33 | epilog = _( |
| 34 | 'When no files are given or a dash (-) is used for the file name, ' |
| 35 | 'tappy will read a TAP stream from STDIN.') |
| 36 | parser = argparse.ArgumentParser(description=description, epilog=epilog) |
| 37 | parser.add_argument( |
| 38 | 'files', metavar='FILE', nargs='*', help=_( |
| 39 | 'A file containing TAP output. Any directories listed will be ' |
| 40 | 'scanned for files to include as TAP files.')) |
| 41 | parser.add_argument( |
| 42 | '-v', '--verbose', action='store_const', default=1, const=2, |
| 43 | help=_('use verbose messages')) |
| 44 | |
| 45 | # argparse expects the executable to be removed from argv. |
| 46 | args = parser.parse_args(argv[1:]) |
| 47 | |
| 48 | # When no files are provided, the user wants to use a TAP stream on STDIN. |
| 49 | # But they probably didn't mean it if there is no pipe connected. |
| 50 | # In that case, print the help and exit. |
| 51 | if not args.files and sys.stdin.isatty(): |
| 52 | sys.exit(parser.print_help()) |
| 53 | |
| 54 | return args |
| 55 | |
| 56 | |
| 57 | def get_status(result): |
| 58 | """Get a return status from the result.""" |
| 59 | if result.wasSuccessful(): |
| 60 | return 0 |
| 61 | else: |
| 62 | return 1 |