René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"test_b2a_roundtrip failure in test_binascii.py","articleBody":"# Bug report\r\n\r\n### Bug description:\r\n\r\nSeen in GitHub CI:\r\n\r\n```pytb\r\n======================================================================\r\nERROR: test_b2a_roundtrip (test.test_binascii.BytearrayBinASCIITest.test_b2a_roundtrip)\r\n----------------------------------------------------------------------\r\nTraceback (most recent call last):\r\n  File \"/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/test_binascii.py\", line 233, in test_b2a_roundtrip\r\n    binary=hypothesis.strategies.binary(),\r\n           ^^^^^^^\r\n  File \"/home/runner/work/cpython/cpython-builddir/hypovenv/lib/python3.13/site-packages/hypothesis/core.py\", line 1386, in wrapped_test\r\n    raise the_error_hypothesis_found\r\n  File \"/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/test_binascii.py\", line 237, in test_b2a_roundtrip\r\n    converted = binascii.b2a_uu(self.type2test(binary), backtick=backtick)\r\n                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\r\nbinascii.Error: At most 45 bytes at once\r\nFalsifying example: test_b2a_roundtrip(\r\n    self=\u003ctest.test_binascii.BytearrayBinASCIITest testMethod=test_b2a_roundtrip\u003e,\r\n    binary=b'\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00',\r\n    backtick=False,\r\n)\r\n\r\nYou can reproduce this example by temporarily adding @reproduce_failure('6.84.0', b'AXicY2RgYBwciIEBAA2TAC8=') as a decorator on your test case\r\n```\r\n\r\n(https://github.com/python/cpython/actions/runs/6189137441/job/16802618181?pr=109344)\r\n\r\nI think we need a `max_size=45` in:\r\nhttps://github.com/python/cpython/blob/3b9d10b0316cdc2679ccad80563b7c7da3951388/Lib/test/test_binascii.py#L232-L239\r\n\r\ncc @sobolevn\r\n\r\n### CPython versions tested on:\r\n\r\nCPython main branch\r\n\r\n### Operating systems tested on:\r\n\r\nLinux\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-109419\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/colesbury","@type":"Person","name":"colesbury"},"datePublished":"2023-09-14T18:39:34.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/109418/cpython/issues/109418"}