[Python-checkins] r87971 - python/branches/py3k/Lib/test/support.py
antoine.pitrou
python-checkins at python.org
Wed Jan 12 22:19:59 CET 2011
Author: antoine.pitrou
Date: Wed Jan 12 22:19:59 2011
New Revision: 87971
Log:
Make test skipping message nicer, and remove the rather useless "overhead" parameter.
Modified:
python/branches/py3k/Lib/test/support.py
Modified: python/branches/py3k/Lib/test/support.py
==============================================================================
--- python/branches/py3k/Lib/test/support.py (original)
+++ python/branches/py3k/Lib/test/support.py Wed Jan 12 22:19:59 2011
@@ -978,13 +978,12 @@
raise ValueError('Memory limit %r too low to be useful' % (limit,))
max_memuse = memlimit
-def bigmemtest(minsize, memuse, overhead=5*_1M):
+def bigmemtest(minsize, memuse):
"""Decorator for bigmem tests.
'minsize' is the minimum useful size for the test (in arbitrary,
test-interpreted units.) 'memuse' is the number of 'bytes per size' for
- the test, or a good estimate of it. 'overhead' specifies fixed overhead,
- independent of the testsize, and defaults to 5Mb.
+ the test, or a good estimate of it.
The decorator tries to guess a good value for 'size' and passes it to
the decorated test function. If minsize * memuse is more than the
@@ -996,7 +995,6 @@
# Retrieve values in case someone decided to adjust them
minsize = wrapper.minsize
memuse = wrapper.memuse
- overhead = wrapper.overhead
if not max_memuse:
# If max_memuse is 0 (the default),
# we still want to run the tests with size set to a few kb,
@@ -1005,43 +1003,35 @@
maxsize = 5147
self.assertFalse(maxsize * memuse + overhead > 20 * _1M)
else:
- maxsize = int((max_memuse - overhead) / memuse)
+ maxsize = int(max_memuse / memuse)
if maxsize < minsize:
- # Really ought to print 'test skipped' or something
- if verbose:
- sys.stderr.write("Skipping %s because of memory "
- "constraint\n" % (f.__name__,))
- return
- # Try to keep some breathing room in memory use
- maxsize = max(maxsize - 50 * _1M, minsize)
+ raise unittest.SkipTest(
+ "not enough memory: %.1fG minimum needed"
+ % (minsize * memuse / (1024 ** 3)))
return f(self, maxsize)
wrapper.minsize = minsize
wrapper.memuse = memuse
- wrapper.overhead = overhead
return wrapper
return decorator
-def precisionbigmemtest(size, memuse, overhead=5*_1M):
+def precisionbigmemtest(size, memuse):
def decorator(f):
def wrapper(self):
size = wrapper.size
memuse = wrapper.memuse
- overhead = wrapper.overhead
if not real_max_memuse:
maxsize = 5147
else:
maxsize = size
if real_max_memuse and real_max_memuse < maxsize * memuse:
- if verbose:
- sys.stderr.write("Skipping %s because of memory "
- "constraint\n" % (f.__name__,))
- return
+ raise unittest.SkipTest(
+ "not enough memory: %.1fG minimum needed"
+ % (size * memuse / (1024 ** 3)))
return f(self, maxsize)
wrapper.size = size
wrapper.memuse = memuse
- wrapper.overhead = overhead
return wrapper
return decorator
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