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# -*- coding: utf-8 -*-
"""
Javascript tests
~~~~~~~~~~~~~~~~
:copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import unittest
from pygments.lexers import CoffeeScriptLexer
from pygments.token import Token
COFFEE_SLASH_GOLDEN = [
# input_str, slashes_are_regex_here
(r'/\\/', True),
(r'/\\/i', True),
(r'/\//', True),
(r'/(\s)/', True),
('/a{2,8}/', True),
('/b*c?d+/', True),
('/(capture-match)/', True),
('/(?:do-not-capture-match)/', True),
('/this|or|that/', True),
('/[char-set]/', True),
('/[^neg-char_st]/', True),
('/^.*$/', True),
(r'/\n(\f)\0\1\d\b\cm\u1234/', True),
(r'/^.?([^/\\\n\w]*)a\1+$/.something(or_other) # something more complex', True),
("foo = (str) ->\n /'|\"/.test str", True),
('a = a / b / c', False),
('a = a/b/c', False),
('a = a/b/ c', False),
('a = a /b/c', False),
('a = 1 + /d/.test(a)', True),
]
def test_coffee_slashes():
for input_str, slashes_are_regex_here in COFFEE_SLASH_GOLDEN:
yield coffee_runner, input_str, slashes_are_regex_here
def coffee_runner(input_str, slashes_are_regex_here):
lex = CoffeeScriptLexer()
output = list(lex.get_tokens(input_str))
print(output)
for t, s in output:
if '/' in s:
is_regex = t is Token.String.Regex
assert is_regex == slashes_are_regex_here, (t, s)
class CoffeeTest(unittest.TestCase):
def setUp(self):
self.lexer = CoffeeScriptLexer()
def testMixedSlashes(self):
fragment = u'a?/foo/:1/2;\n'
tokens = [
(Token.Name.Other, u'a'),
(Token.Operator, u'?'),
(Token.Literal.String.Regex, u'/foo/'),
(Token.Operator, u':'),
(Token.Literal.Number.Integer, u'1'),
(Token.Operator, u'/'),
(Token.Literal.Number.Integer, u'2'),
(Token.Punctuation, u';'),
(Token.Text, u'\n'),
]
self.assertEqual(tokens, list(self.lexer.get_tokens(fragment)))
def testBewareInfiniteLoop(self):
# This demonstrates the case that "This isn't really guarding" comment
# refers to.
fragment = '/a/x;\n'
tokens = [
(Token.Text, ''),
(Token.Operator, '/'),
(Token.Name.Other, 'a'),
(Token.Operator, '/'),
(Token.Name.Other, 'x'),
(Token.Punctuation, ';'),
(Token.Text, '\n'),
]
self.assertEqual(tokens, list(self.lexer.get_tokens(fragment)))
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