Commit 41c42c17 authored by Kirill Smelkov's avatar Kirill Smelkov

bigfile/zodb/tests: Make sure _p_invalidate() in Zblk.loadblk() does not lead...

bigfile/zodb/tests: Make sure _p_invalidate() in Zblk.loadblk() does not lead to reloading data updated

Thanks to ZODB being MVCC this does not happen, but we better test
explicitly.
parent afdba282
......@@ -16,7 +16,7 @@
#
# See COPYING file for full licensing terms.
from wendelin.bigarray.array_zodb import ZBigArray
from wendelin.bigfile.tests.test_filezodb import kkey, cacheInfo, NotifyChannel
from wendelin.bigfile.tests.test_filezodb import kkey, cacheInfo, NotifyChannel, ram_reclaim_all
from wendelin.lib.zodb import dbclose
from wendelin.lib.testing import getTestDB
from persistent import UPTODATE
......@@ -401,7 +401,16 @@ def test_zbigarray_vs_cache_invalidation():
a1[0:1] = [2] # XXX -> [0] = 2 after BigArray can
tm1.commit()
tm2.commit() # just transaction boundary for t2
# still should be read as old value in conn2
assert a2[0:1] == [1]
# and even after virtmem pages reclaim
# ( verifies that _p_invalidate() in ZBlk.loadblkdata() does not lead to
# reloading data as updated )
ram_reclaim_all()
assert a2[0:1] == [1]
tm2.commit() # transaction boundary for t2
# data from tm1 should propagate -> ZODB -> ram pages for _ZBigFileH in conn2
assert a2[0] == 2
......
......@@ -608,7 +608,16 @@ def test_bigfile_filezodb_vs_cache_invalidation():
Blk(vma1, 0)[0] = 2
tm1.commit()
tm2.commit() # just transaction boundary for t2
# still should be read as old value in conn2
assert Blk(vma2, 0)[0] == 1
# and even after virtmem pages reclaim
# ( verifies that _p_invalidate() in ZBlk.loadblkdata() does not lead to
# reloading data as updated )
ram_reclaim_all()
assert Blk(vma2, 0)[0] == 1
tm2.commit() # transaction boundary for t2
# data from tm1 should propagate -> ZODB -> ram pages for _ZBigFileH in conn2
assert Blk(vma2, 0)[0] == 2
......
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