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Kirill Smelkov
transaction
Commits
9fc779e7
Commit
9fc779e7
authored
Dec 17, 2012
by
Tres Seaver
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Plain Diff
Coverage for Transacdtion.savepoint and helpers.
parent
88dd3373
Changes
1
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1 changed file
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transaction/tests/test__transaction.py
transaction/tests/test__transaction.py
+107
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transaction/tests/test__transaction.py
View file @
9fc779e7
...
...
@@ -59,6 +59,7 @@ class TransactionTests(unittest.TestCase):
self
.
assertEqual
(
len
(
t
.
_synchronizers
),
0
)
self
.
assertTrue
(
t
.
_manager
is
None
)
self
.
assertTrue
(
t
.
_savepoint2index
is
None
)
self
.
assertEqual
(
t
.
_savepoint_index
,
0
)
self
.
assertEqual
(
t
.
_resources
,
[])
self
.
assertEqual
(
t
.
_adapters
,
{})
self
.
assertEqual
(
t
.
_voted
,
{})
...
...
@@ -182,6 +183,108 @@ class TransactionTests(unittest.TestCase):
t
.
_unjoin
(
resource
)
self
.
assertEqual
(
t
.
_resources
,
[])
def
test_savepoint_COMMITFAILED
(
self
):
from
transaction.interfaces
import
TransactionFailedError
from
transaction._transaction
import
Status
class
_Traceback
(
object
):
def
getvalue
(
self
):
return
'TRACEBACK'
t
=
self
.
_makeOne
()
t
.
status
=
Status
.
COMMITFAILED
t
.
_failure_traceback
=
_Traceback
()
self
.
assertRaises
(
TransactionFailedError
,
t
.
savepoint
)
def
test_savepoint_empty
(
self
):
from
weakref
import
WeakKeyDictionary
from
transaction
import
_transaction
from
transaction._transaction
import
Savepoint
from
transaction.tests.common
import
Monkey
logger
=
DummyLogger
()
with
Monkey
(
_transaction
,
_LOGGER
=
logger
):
t
=
self
.
_makeOne
()
sp
=
t
.
savepoint
()
self
.
assertTrue
(
isinstance
(
sp
,
Savepoint
))
self
.
assertTrue
(
sp
.
transaction
is
t
)
self
.
assertEqual
(
sp
.
_savepoints
,
[])
self
.
assertEqual
(
t
.
_savepoint_index
,
1
)
self
.
assertTrue
(
isinstance
(
t
.
_savepoint2index
,
WeakKeyDictionary
))
self
.
assertEqual
(
t
.
_savepoint2index
[
sp
],
1
)
def
test_savepoint_non_optimistc_resource_wo_support
(
self
):
from
transaction
import
_transaction
from
transaction._transaction
import
Status
from
transaction._compat
import
StringIO
from
transaction.tests.common
import
Monkey
logger
=
DummyLogger
()
with
Monkey
(
_transaction
,
_LOGGER
=
logger
):
t
=
self
.
_makeOne
()
logger
.
_clear
()
resource
=
object
()
t
.
_resources
.
append
(
resource
)
self
.
assertRaises
(
TypeError
,
t
.
savepoint
)
self
.
assertEqual
(
t
.
status
,
Status
.
COMMITFAILED
)
self
.
assertTrue
(
isinstance
(
t
.
_failure_traceback
,
StringIO
))
self
.
assertTrue
(
'TypeError'
in
t
.
_failure_traceback
.
getvalue
())
self
.
assertEqual
(
len
(
logger
.
_log
),
2
)
self
.
assertEqual
(
logger
.
_log
[
0
][
0
],
'error'
)
self
.
assertTrue
(
logger
.
_log
[
0
][
1
].
startswith
(
'Error in abort'
))
self
.
assertEqual
(
logger
.
_log
[
1
][
0
],
'error'
)
self
.
assertTrue
(
logger
.
_log
[
1
][
1
].
startswith
(
'Error in tpc_abort'
))
def
test__remove_and_invalidate_after_miss
(
self
):
from
weakref
import
WeakKeyDictionary
t
=
self
.
_makeOne
()
t
.
_savepoint2index
=
WeakKeyDictionary
()
class
_SP
(
object
):
def
__init__
(
self
,
t
):
self
.
transaction
=
t
holdme
=
[]
for
i
in
range
(
10
):
sp
=
_SP
(
t
)
holdme
.
append
(
sp
)
#prevent gc
t
.
_savepoint2index
[
sp
]
=
i
self
.
assertEqual
(
len
(
t
.
_savepoint2index
),
10
)
self
.
assertRaises
(
KeyError
,
t
.
_remove_and_invalidate_after
,
_SP
(
t
))
self
.
assertEqual
(
len
(
t
.
_savepoint2index
),
10
)
def
test__remove_and_invalidate_after_hit
(
self
):
from
weakref
import
WeakKeyDictionary
t
=
self
.
_makeOne
()
t
.
_savepoint2index
=
WeakKeyDictionary
()
class
_SP
(
object
):
def
__init__
(
self
,
t
,
index
):
self
.
transaction
=
t
self
.
_index
=
index
def
__repr__
(
self
):
return
'_SP: %d'
%
self
.
_index
holdme
=
[]
for
i
in
range
(
10
):
sp
=
_SP
(
t
,
i
)
holdme
.
append
(
sp
)
#prevent gc
t
.
_savepoint2index
[
sp
]
=
i
self
.
assertEqual
(
len
(
t
.
_savepoint2index
),
10
)
t
.
_remove_and_invalidate_after
(
holdme
[
1
])
self
.
assertEqual
(
sorted
(
t
.
_savepoint2index
),
sorted
(
holdme
[:
2
]))
def
test__invalidate_all_savepoints
(
self
):
from
weakref
import
WeakKeyDictionary
t
=
self
.
_makeOne
()
t
.
_savepoint2index
=
WeakKeyDictionary
()
class
_SP
(
object
):
def
__init__
(
self
,
t
,
index
):
self
.
transaction
=
t
self
.
_index
=
index
def
__repr__
(
self
):
return
'_SP: %d'
%
self
.
_index
holdme
=
[]
for
i
in
range
(
10
):
sp
=
_SP
(
t
,
i
)
holdme
.
append
(
sp
)
#prevent gc
t
.
_savepoint2index
[
sp
]
=
i
self
.
assertEqual
(
len
(
t
.
_savepoint2index
),
10
)
t
.
_invalidate_all_savepoints
()
self
.
assertEqual
(
list
(
t
.
_savepoint2index
),
[])
def
test_note
(
self
):
t
=
self
.
_makeOne
()
try
:
...
...
@@ -285,6 +388,8 @@ class MiscellaneousTests(unittest.TestCase):
class
DummyLogger
(
object
):
def
__init__
(
self
):
self
.
_clear
()
def
_clear
(
self
):
self
.
_log
=
[]
def
log
(
self
,
level
,
msg
,
*
args
,
**
kw
):
if
args
:
...
...
@@ -295,6 +400,8 @@ class DummyLogger(object):
self
.
_log
.
append
((
level
,
msg
))
def
debug
(
self
,
msg
,
*
args
,
**
kw
):
self
.
log
(
'DEBUG'
,
msg
,
*
args
,
**
kw
)
def
error
(
self
,
msg
,
*
args
,
**
kw
):
self
.
log
(
'error'
,
msg
,
*
args
,
**
kw
)
def
test_suite
():
return
unittest
.
TestSuite
((
...
...
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