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# standard imports
import unittest
# bsie imports
from bsie.utils import errors
from bsie.utils.filematcher import matcher
# objects to test
from bsie.utils.filematcher import parse
## code ##
class TestFileMatcherParser(unittest.TestCase):
def test_empty(self):
# no criterion
self.assertEqual(parse(''), matcher.Any())
def test_ruleone(self):
# single criterion, single value
self.assertEqual(parse('mime=text'), matcher.Mime('text'))
self.assertEqual(parse('MIME=text'), matcher.Mime('text'))
self.assertEqual(parse('MiMe=text'), matcher.Mime('text'))
self.assertEqual(parse('MIME=TEXT'), matcher.Mime('TEXT'))
self.assertEqual(parse('mime={text}'), matcher.Mime('text'))
self.assertEqual(parse('mime=image/jpeg'), matcher.Mime('image/jpeg'))
self.assertEqual(parse('mime="image/jpeg"'), matcher.Mime('image/jpeg'))
self.assertEqual(parse('extension=pdf'), matcher.Extension('pdf'))
self.assertEqual(parse('extension={pdf}'), matcher.Extension('pdf'))
self.assertEqual(parse('extension="pdf"'), matcher.Extension('pdf'))
self.assertEqual(parse('extension="foo,bar"'), matcher.Extension('foo,bar'))
self.assertEqual(parse('extension="f{oo|ba}r"'), matcher.Extension('f{oo|ba}r'))
self.assertEqual(parse('extension=""'), matcher.Extension(''))
self.assertEqual(parse('extension="foo'), matcher.Extension('"foo'))
self.assertRaises(errors.ParserError, parse, 'extension=foo=bar')
self.assertRaises(errors.ParserError, parse, 'extension=')
self.assertRaises(errors.ParserError, parse, 'extension={}')
self.assertRaises(errors.ParserError, parse, 'extension={foo')
# valueless
self.assertEqual(parse('any'), matcher.Any())
self.assertEqual(parse('nothing'), matcher.Nothing())
self.assertEqual(parse('exists'), matcher.Exists())
self.assertEqual(parse('any, nothing'), matcher.And(matcher.Any(), matcher.Nothing()))
self.assertEqual(parse('any, nothing, exists'),
matcher.And(matcher.Any(), matcher.Nothing(), matcher.Exists()))
self.assertEqual(parse('any, extension=jpg'), matcher.And(matcher.Any(), matcher.Extension('jpg')))
self.assertRaises(errors.ParserError, parse, 'mime')
self.assertRaises(errors.ParserError, parse, 'extension')
self.assertRaises(errors.ParserError, parse, 'exists=True')
self.assertRaises(errors.ParserError, parse, 'exists=foo')
self.assertEqual(parse('!any'), matcher.NOT(matcher.Any()))
self.assertEqual(parse('!any, nothing'), matcher.And(matcher.NOT(matcher.Any()), matcher.Nothing()))
self.assertEqual(parse('!any, extension=jpg'),
matcher.And(matcher.NOT(matcher.Any()), matcher.Extension('jpg')))
self.assertRaises(errors.ParserError, parse, '!mime')
self.assertRaises(errors.ParserError, parse, '!extension')
def test_rulefew(self):
# single criterion, multiple values
self.assertEqual(parse('extension={jpg, jpeg}'), matcher.Extension('jpg', 'jpeg'))
self.assertEqual(parse('mime={image/jpeg, image/png}'),
matcher.Mime('image/jpeg', 'image/png'))
self.assertRaises(errors.ParserError, parse, 'mime=image/png, image/jpeg')
self.assertRaises(errors.ParserError, parse, 'extension=jpg, jpeg')
def test_rulesets_ruleone(self):
# mutliple criteria, single value
self.assertEqual(parse('mime=text, extension=t'),
matcher.And(matcher.Mime('text'), matcher.Extension('t')))
self.assertEqual(parse('mime=text/plain, extension=t'),
matcher.And(matcher.Mime('text/plain'), matcher.Extension('t')))
self.assertRaises(errors.ParserError, parse, 'mime=text/plain extension=t')
self.assertRaises(errors.ParserError, parse, 'mime={image/jpeg, extension=jpg'),
def test_rulesets_rulefew(self):
# multiple criteria, multiple values
self.assertEqual(parse('mime=image/jpeg, extension={jpg, jpeg}'),
matcher.And(matcher.Mime('image/jpeg'), matcher.Extension('jpg', 'jpeg')))
self.assertEqual(parse('mime={image/jpeg, image/tiff}, extension={jpg, jpeg}'),
matcher.And(matcher.Mime('image/jpeg', 'image/tiff'), matcher.Extension('jpg', 'jpeg')))
self.assertEqual(parse('mime={image/jpeg, image/tiff}, extension=jpg'),
matcher.And(matcher.Mime('image/jpeg', 'image/tiff'), matcher.Extension('jpg')))
self.assertRaises(errors.ParserError, parse, 'mime={image/jpeg, image/tiff, extension=jpg')
self.assertRaises(errors.ParserError, parse, 'mime=image/jpeg, image/tiff, extension=jpg')
self.assertRaises(errors.ParserError, parse, 'mime=image/jpeg, extension=jpg, ')
def test_not(self):
self.assertEqual(parse('extension!=jpg'), matcher.NOT(matcher.Extension('jpg')))
self.assertEqual(parse('extension!={jpg, jpeg}'),
matcher.NOT(matcher.Extension('jpg', 'jpeg')))
self.assertEqual(parse('extension!=jpg, mime=image/jpeg'),
matcher.And(matcher.NOT(matcher.Extension('jpg')), matcher.Mime('image/jpeg')))
self.assertEqual(parse('extension!=jpg, mime!=image/jpeg'),
matcher.And(matcher.NOT(matcher.Extension('jpg')), matcher.NOT(matcher.Mime('image/jpeg'))))
self.assertEqual(parse('extension!=jpg | mime=image/jpeg'),
matcher.Or(matcher.NOT(matcher.Extension('jpg')), matcher.Mime('image/jpeg')))
self.assertEqual(parse('extension!=jpg | mime!=image/jpeg'),
matcher.Or(matcher.NOT(matcher.Extension('jpg')), matcher.NOT(matcher.Mime('image/jpeg'))))
def test_expr(self):
# multiple rulesets
self.assertEqual(parse('mime=image/jpeg | extension=jpg'),
matcher.Or(matcher.Mime('image/jpeg'), matcher.Extension('jpg')))
self.assertEqual(parse('mime=image/jpeg | extension={jpg, jpeg}'),
matcher.Or(matcher.Mime('image/jpeg'), matcher.Extension('jpg', 'jpeg')))
self.assertEqual(parse('mime={image/jpeg, image/png} | extension={jpg, jpeg}'),
matcher.Or(matcher.Mime('image/jpeg', 'image/png'), matcher.Extension('jpg', 'jpeg')))
self.assertEqual(parse('mime=image/jpeg , extension=jpg | extension=jpg'),
matcher.Or(matcher.And(matcher.Mime('image/jpeg'), matcher.Extension('jpg')), matcher.Extension('jpg')))
self.assertEqual(parse(
'mime={jpeg, text}, extension={jpg,t} | extension={png,txt}, mime={png, tiff}'),
matcher.Or(
matcher.And(matcher.Mime('jpeg', 'text'), matcher.Extension('jpg', 't')),
matcher.And(matcher.Extension('png', 'txt'), matcher.Mime('png', 'tiff'))))
self.assertEqual(parse('mime=text | extension=jpg | extension=png | mime=png'),
matcher.Or(matcher.Mime('text'), matcher.Extension('jpg'), matcher.Extension('png'), matcher.Mime('png')))
self.assertRaises(errors.ParserError, parse, 'mime=text |')
self.assertRaises(errors.ParserError, parse, '| mime=text')
self.assertRaises(errors.ParserError, parse, 'extension=png | mime=text, ')
def test_invalid(self):
# Invalid parses
self.assertRaises(errors.ParserError, parse, "extension=") # Empty value
self.assertRaises(errors.ParserError, parse, "mime=foo,bar") # Escaping
self.assertRaises(errors.ParserError, parse, "mime='foo,bar") # Quoting
self.assertRaises(errors.ParserError, parse, "mime=\"foo,bar") # Quoting
# Invalid input
self.assertRaises(AttributeError, parse, None)
self.assertRaises(AttributeError, parse, 123)
self.assertRaises(AttributeError, parse, [123,321])
## main ##
if __name__ == '__main__':
unittest.main()
## EOF ##
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