File: test_lexer.py

package info (click to toggle)
python-lark 1.2.2-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,788 kB
  • sloc: python: 13,305; javascript: 88; makefile: 34; sh: 8
file content (23 lines) | stat: -rw-r--r-- 467 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
from unittest import TestCase, main

from lark import Lark, Tree

class TestLexer(TestCase):
    def setUp(self):
        pass

    def test_basic(self):
        p = Lark("""
            start: "a" "b" "c" "d"
            %ignore " "
        """)

        res = list(p.lex("abc cba dd"))
        assert res == list('abccbadd')

        res = list(p.lex("abc cba dd", dont_ignore=True))
        assert res == list('abc cba dd')


if __name__ == '__main__':
    main()