New issue 2372: bug in wheel.tests.test_wheelfile:test_verifying_zipfile()
https://bitbucket.org/pypy/pypy/issues/2372/bug-in-wheelteststest_wheelfile
Daniel Holth:
I'm having a strange issue with the wheel tests, failing in
pypy2-v5.3.1-linux64 but not pypy 4.0.0 or CPython.
Wheel replaces _update_crc on individual instances of ZipExtFile to do sha256
hashing instead of crc32.
The third time it tries to do this at vzf.open("three") in the test, the
ZipExtFile instance calls _update_crc from the class instead of the one from
the instance. You can notice this from the failing test or by playing with the
debugger around line 672 of the standard Python zipfile.py. Look at
self._update_crc, step into it, wrong function.
```
#!python
if self._compress_type == ZIP_STORED:
self._update_crc(data, eof=(self._compress_left==0))
```
```
#!shell
python -c "import wheel.test.test_wheelfile ;
wheel.test.test_wheelfile.test_verifying_zipfile()"
```
The test passes if I comment out the first two vzf.open("one") and
vzf.open("two") .
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