Mercurial > hg
view tests/test-extensions-wrapfunction.py @ 46874:84a93fa7ecfd
revlog-compression: use zstd by default (if available)
As see in changeset bb271ec2fbfb, zstd is 20% to 50% faster for reading and
writing.
Use take advantage of the new config behavior to try zstd by default, falling
back to zlib is zstd is not available on that plateform.
Differential Revision: https://phab.mercurial-scm.org/D10326
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Tue, 06 Apr 2021 18:55:19 +0200 |
parents | 2372284d9457 |
children | 6000f5b25c9b |
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from __future__ import absolute_import, print_function from mercurial import extensions def genwrapper(x): def f(orig, *args, **kwds): return [x] + orig(*args, **kwds) f.x = x return f def getid(wrapper): return getattr(wrapper, 'x', '-') wrappers = [genwrapper(i) for i in range(5)] class dummyclass(object): def getstack(self): return ['orig'] dummy = dummyclass() def batchwrap(wrappers): for w in wrappers: extensions.wrapfunction(dummy, 'getstack', w) print('wrap %d: %s' % (getid(w), dummy.getstack())) def batchunwrap(wrappers): for w in wrappers: result = None try: result = extensions.unwrapfunction(dummy, 'getstack', w) msg = str(dummy.getstack()) except (ValueError, IndexError) as e: msg = e.__class__.__name__ print('unwrap %s: %s: %s' % (getid(w), getid(result), msg)) batchwrap(wrappers + [wrappers[0]]) batchunwrap( [ (wrappers[i] if i is not None and i >= 0 else None) for i in [3, None, 0, 4, 0, 2, 1, None] ] ) wrap0 = extensions.wrappedfunction(dummy, 'getstack', wrappers[0]) wrap1 = extensions.wrappedfunction(dummy, 'getstack', wrappers[1]) # Use them in a different order from how they were created to check that # the wrapping happens in __enter__, not in __init__ print('context manager', dummy.getstack()) with wrap1: print('context manager', dummy.getstack()) with wrap0: print('context manager', dummy.getstack()) # Bad programmer forgets to unwrap the function, but the context # managers still unwrap their wrappings. extensions.wrapfunction(dummy, 'getstack', wrappers[2]) print('context manager', dummy.getstack()) print('context manager', dummy.getstack()) print('context manager', dummy.getstack()) # Wrap callable object which has no __name__ class callableobj(object): def __call__(self): return ['orig'] dummy.cobj = callableobj() extensions.wrapfunction(dummy, 'cobj', wrappers[0]) print('wrap callable object', dummy.cobj())