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Kirill Smelkov
transaction
Commits
5c293266
Commit
5c293266
authored
Dec 17, 2012
by
Tres Seaver
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Split out tests for _manager module.
parent
92cd3a9b
Changes
3
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3 changed files
with
335 additions
and
311 deletions
+335
-311
docs/hooks.rst
docs/hooks.rst
+1
-1
transaction/tests/test__manager.py
transaction/tests/test__manager.py
+334
-0
transaction/tests/test_transaction.py
transaction/tests/test_transaction.py
+0
-310
No files found.
docs/hooks.rst
View file @
5c293266
...
...
@@ -341,7 +341,7 @@ can be executed. We don't support execution dependencies at this level.
.. doctest::
>>> from transaction import TransactionManager
>>> from transaction.tests.test_
transaction
import DataObject
>>> from transaction.tests.test_
_manager
import DataObject
>>> mgr = TransactionManager()
>>> do = DataObject(mgr)
...
...
transaction/tests/test__manager.py
0 → 100644
View file @
5c293266
##############################################################################
#
# Copyright (c) 2012 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE
#
##############################################################################
import
unittest
class
TransactionManagerTests
(
unittest
.
TestCase
):
def
_makeDM
(
self
):
from
transaction
import
TransactionManager
mgr
=
TransactionManager
()
sub1
=
DataObject
(
mgr
)
sub2
=
DataObject
(
mgr
)
sub3
=
DataObject
(
mgr
)
nosub1
=
DataObject
(
mgr
,
nost
=
1
)
return
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
# basic tests with two sub trans jars
# really we only need one, so tests for
# sub1 should identical to tests for sub2
def
testTransactionCommit
(
self
):
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
sub1
.
modify
()
sub2
.
modify
()
mgr
.
commit
()
assert
sub1
.
_p_jar
.
ccommit_sub
==
0
assert
sub1
.
_p_jar
.
ctpc_finish
==
1
def
testTransactionAbort
(
self
):
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
sub1
.
modify
()
sub2
.
modify
()
mgr
.
abort
()
assert
sub2
.
_p_jar
.
cabort
==
1
def
testTransactionNote
(
self
):
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
t
=
mgr
.
get
()
t
.
note
(
'This is a note.'
)
self
.
assertEqual
(
t
.
description
,
'This is a note.'
)
t
.
note
(
'Another.'
)
self
.
assertEqual
(
t
.
description
,
'This is a note.
\
n
Another.'
)
t
.
abort
()
# repeat adding in a nonsub trans jars
def
testNSJTransactionCommit
(
self
):
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
nosub1
.
modify
()
mgr
.
commit
()
assert
nosub1
.
_p_jar
.
ctpc_finish
==
1
def
testNSJTransactionAbort
(
self
):
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
nosub1
.
modify
()
mgr
.
abort
()
assert
nosub1
.
_p_jar
.
ctpc_finish
==
0
assert
nosub1
.
_p_jar
.
cabort
==
1
### Failure Mode Tests
#
# ok now we do some more interesting
# tests that check the implementations
# error handling by throwing errors from
# various jar methods
###
# first the recoverable errors
def
testExceptionInAbort
(
self
):
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
sub1
.
_p_jar
=
BasicJar
(
errors
=
'abort'
)
nosub1
.
modify
()
sub1
.
modify
(
nojar
=
1
)
sub2
.
modify
()
try
:
mgr
.
abort
()
except
TestTxnException
:
pass
assert
nosub1
.
_p_jar
.
cabort
==
1
assert
sub2
.
_p_jar
.
cabort
==
1
def
testExceptionInCommit
(
self
):
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
sub1
.
_p_jar
=
BasicJar
(
errors
=
'commit'
)
nosub1
.
modify
()
sub1
.
modify
(
nojar
=
1
)
try
:
mgr
.
commit
()
except
TestTxnException
:
pass
assert
nosub1
.
_p_jar
.
ctpc_finish
==
0
assert
nosub1
.
_p_jar
.
ccommit
==
1
assert
nosub1
.
_p_jar
.
ctpc_abort
==
1
def
testExceptionInTpcVote
(
self
):
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
sub1
.
_p_jar
=
BasicJar
(
errors
=
'tpc_vote'
)
nosub1
.
modify
()
sub1
.
modify
(
nojar
=
1
)
try
:
mgr
.
commit
()
except
TestTxnException
:
pass
assert
nosub1
.
_p_jar
.
ctpc_finish
==
0
assert
nosub1
.
_p_jar
.
ccommit
==
1
assert
nosub1
.
_p_jar
.
ctpc_abort
==
1
assert
sub1
.
_p_jar
.
ctpc_abort
==
1
def
testExceptionInTpcBegin
(
self
):
# ok this test reveals a bug in the TM.py
# as the nosub tpc_abort there is ignored.
# nosub calling method tpc_begin
# nosub calling method commit
# sub calling method tpc_begin
# sub calling method abort
# sub calling method tpc_abort
# nosub calling method tpc_abort
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
sub1
.
_p_jar
=
BasicJar
(
errors
=
'tpc_begin'
)
nosub1
.
modify
()
sub1
.
modify
(
nojar
=
1
)
try
:
mgr
.
commit
()
except
TestTxnException
:
pass
assert
nosub1
.
_p_jar
.
ctpc_abort
==
1
assert
sub1
.
_p_jar
.
ctpc_abort
==
1
def
testExceptionInTpcAbort
(
self
):
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
sub1
.
_p_jar
=
BasicJar
(
errors
=
(
'tpc_abort'
,
'tpc_vote'
))
nosub1
.
modify
()
sub1
.
modify
(
nojar
=
1
)
try
:
mgr
.
commit
()
except
TestTxnException
:
pass
assert
nosub1
.
_p_jar
.
ctpc_abort
==
1
# last test, check the hosing mechanism
## def testHoserStoppage(self):
## # It's hard to test the "hosed" state of the database, where
## # hosed means that a failure occurred in the second phase of
## # the two phase commit. It's hard because the database can
## # recover from such an error if it occurs during the very first
## # tpc_finish() call of the second phase.
## mgr, sub1, sub2, sub3, nosub1 = self._makeDM()
## for obj in sub1, sub2:
## j = HoserJar(errors='tpc_finish')
## j.reset()
## obj._p_jar = j
## obj.modify(nojar=1)
## try:
## transaction.commit()
## except TestTxnException:
## pass
## self.assert_(Transaction.hosed)
## sub2.modify()
## try:
## transaction.commit()
## except Transaction.POSException.TransactionError:
## pass
## else:
## self.fail("Hosed Application didn't stop commits")
class
DataObject
:
def
__init__
(
self
,
transaction_manager
,
nost
=
0
):
self
.
transaction_manager
=
transaction_manager
self
.
nost
=
nost
self
.
_p_jar
=
None
def
modify
(
self
,
nojar
=
0
,
tracing
=
0
):
if
not
nojar
:
if
self
.
nost
:
self
.
_p_jar
=
BasicJar
(
tracing
=
tracing
)
else
:
self
.
_p_jar
=
BasicJar
(
tracing
=
tracing
)
self
.
transaction_manager
.
get
().
join
(
self
.
_p_jar
)
class
TestTxnException
(
Exception
):
pass
class
BasicJar
:
def
__init__
(
self
,
errors
=
(),
tracing
=
0
):
if
not
isinstance
(
errors
,
tuple
):
errors
=
errors
,
self
.
errors
=
errors
self
.
tracing
=
tracing
self
.
cabort
=
0
self
.
ccommit
=
0
self
.
ctpc_begin
=
0
self
.
ctpc_abort
=
0
self
.
ctpc_vote
=
0
self
.
ctpc_finish
=
0
self
.
cabort_sub
=
0
self
.
ccommit_sub
=
0
def
__repr__
(
self
):
return
"<%s %X %s>"
%
(
self
.
__class__
.
__name__
,
positive_id
(
self
),
self
.
errors
)
def
sortKey
(
self
):
# All these jars use the same sort key, and Python's list.sort()
# is stable. These two
return
self
.
__class__
.
__name__
def
check
(
self
,
method
):
if
self
.
tracing
:
print
(
'%s calling method %s'
%
(
str
(
self
.
tracing
),
method
))
if
method
in
self
.
errors
:
raise
TestTxnException
(
"error %s"
%
method
)
## basic jar txn interface
def
abort
(
self
,
*
args
):
self
.
check
(
'abort'
)
self
.
cabort
+=
1
def
commit
(
self
,
*
args
):
self
.
check
(
'commit'
)
self
.
ccommit
+=
1
def
tpc_begin
(
self
,
txn
,
sub
=
0
):
self
.
check
(
'tpc_begin'
)
self
.
ctpc_begin
+=
1
def
tpc_vote
(
self
,
*
args
):
self
.
check
(
'tpc_vote'
)
self
.
ctpc_vote
+=
1
def
tpc_abort
(
self
,
*
args
):
self
.
check
(
'tpc_abort'
)
self
.
ctpc_abort
+=
1
def
tpc_finish
(
self
,
*
args
):
self
.
check
(
'tpc_finish'
)
self
.
ctpc_finish
+=
1
class
HoserJar
(
BasicJar
):
# The HoserJars coordinate their actions via the class variable
# committed. The check() method will only raise its exception
# if committed > 0.
committed
=
0
def
reset
(
self
):
# Calling reset() on any instance will reset the class variable.
HoserJar
.
committed
=
0
def
check
(
self
,
method
):
if
HoserJar
.
committed
>
0
:
BasicJar
.
check
(
self
,
method
)
def
tpc_finish
(
self
,
*
args
):
self
.
check
(
'tpc_finish'
)
self
.
ctpc_finish
+=
1
HoserJar
.
committed
+=
1
def
positive_id
(
obj
):
"""Return id(obj) as a non-negative integer."""
import
struct
_ADDRESS_MASK
=
256
**
struct
.
calcsize
(
'P'
)
result
=
id
(
obj
)
if
result
<
0
:
result
+=
_ADDRESS_MASK
assert
result
>
0
return
result
def
test_suite
():
return
unittest
.
TestSuite
((
unittest
.
makeSuite
(
TransactionManagerTests
),
))
transaction/tests/test_transaction.py
View file @
5c293266
...
...
@@ -69,216 +69,6 @@ def assertRaisesEx(e_type, checked, *args, **kw):
return
e
raise
AssertionError
(
"Didn't raise: %s"
%
e_type
.
__name__
)
def
positive_id
(
obj
):
"""Return id(obj) as a non-negative integer."""
import
struct
_ADDRESS_MASK
=
256
**
struct
.
calcsize
(
'P'
)
result
=
id
(
obj
)
if
result
<
0
:
result
+=
_ADDRESS_MASK
assert
result
>
0
return
result
class
TransactionManagerTests
(
unittest
.
TestCase
):
def
_makeDM
(
self
):
from
transaction
import
TransactionManager
mgr
=
TransactionManager
()
sub1
=
DataObject
(
mgr
)
sub2
=
DataObject
(
mgr
)
sub3
=
DataObject
(
mgr
)
nosub1
=
DataObject
(
mgr
,
nost
=
1
)
return
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
# basic tests with two sub trans jars
# really we only need one, so tests for
# sub1 should identical to tests for sub2
def
testTransactionCommit
(
self
):
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
sub1
.
modify
()
sub2
.
modify
()
mgr
.
commit
()
assert
sub1
.
_p_jar
.
ccommit_sub
==
0
assert
sub1
.
_p_jar
.
ctpc_finish
==
1
def
testTransactionAbort
(
self
):
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
sub1
.
modify
()
sub2
.
modify
()
mgr
.
abort
()
assert
sub2
.
_p_jar
.
cabort
==
1
def
testTransactionNote
(
self
):
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
t
=
mgr
.
get
()
t
.
note
(
'This is a note.'
)
self
.
assertEqual
(
t
.
description
,
'This is a note.'
)
t
.
note
(
'Another.'
)
self
.
assertEqual
(
t
.
description
,
'This is a note.
\
n
Another.'
)
t
.
abort
()
# repeat adding in a nonsub trans jars
def
testNSJTransactionCommit
(
self
):
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
nosub1
.
modify
()
mgr
.
commit
()
assert
nosub1
.
_p_jar
.
ctpc_finish
==
1
def
testNSJTransactionAbort
(
self
):
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
nosub1
.
modify
()
mgr
.
abort
()
assert
nosub1
.
_p_jar
.
ctpc_finish
==
0
assert
nosub1
.
_p_jar
.
cabort
==
1
### Failure Mode Tests
#
# ok now we do some more interesting
# tests that check the implementations
# error handling by throwing errors from
# various jar methods
###
# first the recoverable errors
def
testExceptionInAbort
(
self
):
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
sub1
.
_p_jar
=
BasicJar
(
errors
=
'abort'
)
nosub1
.
modify
()
sub1
.
modify
(
nojar
=
1
)
sub2
.
modify
()
try
:
mgr
.
abort
()
except
TestTxnException
:
pass
assert
nosub1
.
_p_jar
.
cabort
==
1
assert
sub2
.
_p_jar
.
cabort
==
1
def
testExceptionInCommit
(
self
):
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
sub1
.
_p_jar
=
BasicJar
(
errors
=
'commit'
)
nosub1
.
modify
()
sub1
.
modify
(
nojar
=
1
)
try
:
mgr
.
commit
()
except
TestTxnException
:
pass
assert
nosub1
.
_p_jar
.
ctpc_finish
==
0
assert
nosub1
.
_p_jar
.
ccommit
==
1
assert
nosub1
.
_p_jar
.
ctpc_abort
==
1
def
testExceptionInTpcVote
(
self
):
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
sub1
.
_p_jar
=
BasicJar
(
errors
=
'tpc_vote'
)
nosub1
.
modify
()
sub1
.
modify
(
nojar
=
1
)
try
:
mgr
.
commit
()
except
TestTxnException
:
pass
assert
nosub1
.
_p_jar
.
ctpc_finish
==
0
assert
nosub1
.
_p_jar
.
ccommit
==
1
assert
nosub1
.
_p_jar
.
ctpc_abort
==
1
assert
sub1
.
_p_jar
.
ctpc_abort
==
1
def
testExceptionInTpcBegin
(
self
):
# ok this test reveals a bug in the TM.py
# as the nosub tpc_abort there is ignored.
# nosub calling method tpc_begin
# nosub calling method commit
# sub calling method tpc_begin
# sub calling method abort
# sub calling method tpc_abort
# nosub calling method tpc_abort
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
sub1
.
_p_jar
=
BasicJar
(
errors
=
'tpc_begin'
)
nosub1
.
modify
()
sub1
.
modify
(
nojar
=
1
)
try
:
mgr
.
commit
()
except
TestTxnException
:
pass
assert
nosub1
.
_p_jar
.
ctpc_abort
==
1
assert
sub1
.
_p_jar
.
ctpc_abort
==
1
def
testExceptionInTpcAbort
(
self
):
mgr
,
sub1
,
sub2
,
sub3
,
nosub1
=
self
.
_makeDM
()
sub1
.
_p_jar
=
BasicJar
(
errors
=
(
'tpc_abort'
,
'tpc_vote'
))
nosub1
.
modify
()
sub1
.
modify
(
nojar
=
1
)
try
:
mgr
.
commit
()
except
TestTxnException
:
pass
assert
nosub1
.
_p_jar
.
ctpc_abort
==
1
# last test, check the hosing mechanism
## def testHoserStoppage(self):
## # It's hard to test the "hosed" state of the database, where
## # hosed means that a failure occurred in the second phase of
## # the two phase commit. It's hard because the database can
## # recover from such an error if it occurs during the very first
## # tpc_finish() call of the second phase.
## mgr, sub1, sub2, sub3, nosub1 = self._makeDM()
## for obj in sub1, sub2:
## j = HoserJar(errors='tpc_finish')
## j.reset()
## obj._p_jar = j
## obj.modify(nojar=1)
## try:
## transaction.commit()
## except TestTxnException:
## pass
## self.assert_(Transaction.hosed)
## sub2.modify()
## try:
## transaction.commit()
## except Transaction.POSException.TransactionError:
## pass
## else:
## self.fail("Hosed Application didn't stop commits")
class
Test_oid_repr
(
unittest
.
TestCase
):
...
...
@@ -370,108 +160,8 @@ class MiscellaneousTests(unittest.TestCase):
self
.
assertEqual
(
list
(
dm
.
keys
()),
[
'a'
])
class
DataObject
:
def
__init__
(
self
,
transaction_manager
,
nost
=
0
):
self
.
transaction_manager
=
transaction_manager
self
.
nost
=
nost
self
.
_p_jar
=
None
def
modify
(
self
,
nojar
=
0
,
tracing
=
0
):
if
not
nojar
:
if
self
.
nost
:
self
.
_p_jar
=
BasicJar
(
tracing
=
tracing
)
else
:
self
.
_p_jar
=
BasicJar
(
tracing
=
tracing
)
self
.
transaction_manager
.
get
().
join
(
self
.
_p_jar
)
class
TestTxnException
(
Exception
):
pass
class
BasicJar
:
def
__init__
(
self
,
errors
=
(),
tracing
=
0
):
if
not
isinstance
(
errors
,
tuple
):
errors
=
errors
,
self
.
errors
=
errors
self
.
tracing
=
tracing
self
.
cabort
=
0
self
.
ccommit
=
0
self
.
ctpc_begin
=
0
self
.
ctpc_abort
=
0
self
.
ctpc_vote
=
0
self
.
ctpc_finish
=
0
self
.
cabort_sub
=
0
self
.
ccommit_sub
=
0
def
__repr__
(
self
):
return
"<%s %X %s>"
%
(
self
.
__class__
.
__name__
,
positive_id
(
self
),
self
.
errors
)
def
sortKey
(
self
):
# All these jars use the same sort key, and Python's list.sort()
# is stable. These two
return
self
.
__class__
.
__name__
def
check
(
self
,
method
):
if
self
.
tracing
:
print
(
'%s calling method %s'
%
(
str
(
self
.
tracing
),
method
))
if
method
in
self
.
errors
:
raise
TestTxnException
(
"error %s"
%
method
)
## basic jar txn interface
def
abort
(
self
,
*
args
):
self
.
check
(
'abort'
)
self
.
cabort
+=
1
def
commit
(
self
,
*
args
):
self
.
check
(
'commit'
)
self
.
ccommit
+=
1
def
tpc_begin
(
self
,
txn
,
sub
=
0
):
self
.
check
(
'tpc_begin'
)
self
.
ctpc_begin
+=
1
def
tpc_vote
(
self
,
*
args
):
self
.
check
(
'tpc_vote'
)
self
.
ctpc_vote
+=
1
def
tpc_abort
(
self
,
*
args
):
self
.
check
(
'tpc_abort'
)
self
.
ctpc_abort
+=
1
def
tpc_finish
(
self
,
*
args
):
self
.
check
(
'tpc_finish'
)
self
.
ctpc_finish
+=
1
class
HoserJar
(
BasicJar
):
# The HoserJars coordinate their actions via the class variable
# committed. The check() method will only raise its exception
# if committed > 0.
committed
=
0
def
reset
(
self
):
# Calling reset() on any instance will reset the class variable.
HoserJar
.
committed
=
0
def
check
(
self
,
method
):
if
HoserJar
.
committed
>
0
:
BasicJar
.
check
(
self
,
method
)
def
tpc_finish
(
self
,
*
args
):
self
.
check
(
'tpc_finish'
)
self
.
ctpc_finish
+=
1
HoserJar
.
committed
+=
1
def
test_suite
():
return
unittest
.
TestSuite
((
unittest
.
makeSuite
(
TransactionManagerTests
),
unittest
.
makeSuite
(
Test_oid_repr
),
unittest
.
makeSuite
(
MiscellaneousTests
),
))
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