def test_incomplete(self):
'''
A token is not completely consumed (this doesn't raise error messages,
it just fails to match).
'''
token = Token('[a-z]+')(Any())
token.config.no_full_first_match()
parser = token.get_parse_string()
assert parser('a') == ['a'], parser('a')
# even though this matches the token, the Any() sub-matcher doesn't
# consume all the contents
assert parser('ab') == None, parser('ab')
token = Token('[a-z]+')(Any(), complete=False)
token.config.no_full_first_match()
parser = token.get_parse_string()
assert parser('a') == ['a'], parser('a')
# whereas this is fine, since complete=False
assert parser('ab') == ['a'], parser('ab')
def test_incomplete(self):
'''
A token is not completely consumed (this doesn't raise error messages,
it just fails to match).
'''
token = Token('[a-z]+')(Any())
token.config.no_full_first_match()
parser = token.get_parse_string()
assert parser('a') == ['a'], parser('a')
# even though this matches the token, the Any() sub-matcher doesn't
# consume all the contents
assert parser('ab') == None, parser('ab')
token = Token('[a-z]+')(Any(), complete=False)
token.config.no_full_first_match()
parser = token.get_parse_string()
assert parser('a') == ['a'], parser('a')
# whereas this is fine, since complete=False
assert parser('ab') == ['a'], parser('ab')
def test_good_error_msg(self):
'''
Better error message with streams.
'''
#basicConfig(level=DEBUG)
words = Token('[a-z]+')[:]
words.config.lexer()
parser = words.get_parse_string()
try:
parser('abc defXghi')
assert False, 'expected error'
except RuntimeLexerError as err:
assert str(err) == 'No lexer for \'Xghi\' at line 1 character 7 ' \
'of str: \'abc defXghi\'.', str(err)
def test_good_error_msg(self):
'''
Better error message with streams.
'''
#basicConfig(level=DEBUG)
words = Token('[a-z]+')[:]
words.config.lexer()
parser = words.get_parse_string()
try:
parser('abc defXghi')
assert False, 'expected error'
except RuntimeLexerError as err:
assert str(err) == 'No lexer for \'Xghi\' at line 1 character 7 ' \
'of str: \'abc defXghi\'.', str(err)
