mirror of
https://github.com/python/cpython.git
synced 2025-11-04 03:44:55 +00:00
57 lines
2.2 KiB
Python
57 lines
2.2 KiB
Python
import io
|
|
import time
|
|
import unittest
|
|
import tokenize
|
|
from functools import partial
|
|
from threading import Thread
|
|
|
|
from test.support import threading_helper
|
|
|
|
|
|
@threading_helper.requires_working_threading()
|
|
class TestTokenize(unittest.TestCase):
|
|
def test_tokenizer_iter(self):
|
|
source = io.StringIO("for _ in a:\n pass")
|
|
it = tokenize._tokenize.TokenizerIter(source.readline, extra_tokens=False)
|
|
|
|
tokens = []
|
|
def next_token(it):
|
|
while True:
|
|
try:
|
|
r = next(it)
|
|
tokens.append(tokenize.TokenInfo._make(r))
|
|
time.sleep(0.03)
|
|
except StopIteration:
|
|
return
|
|
|
|
threads = []
|
|
for _ in range(5):
|
|
threads.append(Thread(target=partial(next_token, it)))
|
|
|
|
for thread in threads:
|
|
thread.start()
|
|
|
|
for thread in threads:
|
|
thread.join()
|
|
|
|
expected_tokens = [
|
|
tokenize.TokenInfo(type=1, string='for', start=(1, 0), end=(1, 3), line='for _ in a:\n'),
|
|
tokenize.TokenInfo(type=1, string='_', start=(1, 4), end=(1, 5), line='for _ in a:\n'),
|
|
tokenize.TokenInfo(type=1, string='in', start=(1, 6), end=(1, 8), line='for _ in a:\n'),
|
|
tokenize.TokenInfo(type=1, string='a', start=(1, 9), end=(1, 10), line='for _ in a:\n'),
|
|
tokenize.TokenInfo(type=11, string=':', start=(1, 10), end=(1, 11), line='for _ in a:\n'),
|
|
tokenize.TokenInfo(type=4, string='', start=(1, 11), end=(1, 11), line='for _ in a:\n'),
|
|
tokenize.TokenInfo(type=5, string='', start=(2, -1), end=(2, -1), line=' pass'),
|
|
tokenize.TokenInfo(type=1, string='pass', start=(2, 2), end=(2, 6), line=' pass'),
|
|
tokenize.TokenInfo(type=4, string='', start=(2, 6), end=(2, 6), line=' pass'),
|
|
tokenize.TokenInfo(type=6, string='', start=(2, -1), end=(2, -1), line=' pass'),
|
|
tokenize.TokenInfo(type=0, string='', start=(2, -1), end=(2, -1), line=' pass'),
|
|
]
|
|
|
|
tokens.sort()
|
|
expected_tokens.sort()
|
|
self.assertListEqual(tokens, expected_tokens)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|