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test_mutable.py: add test for ResponseCache memory leak. refs #1045, #1129

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david-sarah 2010-10-24 12:34:09 -07:00
parent daf2b8314a
commit 59e80b2ec9
1 changed files with 18 additions and 0 deletions
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18
src/allmydata/test/test_mutable.py
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@ -294,6 +294,24 @@ class Filenode(unittest.TestCase, testutil.ShouldFailMixin):
d.addCallback(_created) d.addCallback(_created)
return d return d
def test_response_cache_memory_leak(self):
d = self.nodemaker.create_mutable_file("contents")
def _created(n):
d = n.download_best_version()
d.addCallback(lambda res: self.failUnlessEqual(res, "contents"))
d.addCallback(lambda ign: self.failUnless(isinstance(n._cache, ResponseCache)))
def _check_cache_size(expected):
# The total size of cache entries should not increase on the second download.
d2 = n.download_best_version()
d2.addCallback(lambda ign: self.failUnlessEqual(len(repr(n._cache.cache)), expected))
return d2
d.addCallback(lambda ign: _check_cache_size(len(repr(n._cache.cache))))
return d
d.addCallback(_created)
return d
test_response_cache_memory_leak.todo = "This isn't fixed (see #1045)."
def test_create_with_initial_contents_function(self): def test_create_with_initial_contents_function(self):
data = "initial contents" data = "initial contents"
def _make_contents(n): def _make_contents(n):