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