testConflict.py :  » Web-Frameworks » Zope » Zope-2.6.0 » lib » python » BTrees » tests » Python Open Source

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Python Open Source » Web Frameworks » Zope 
Zope » Zope 2.6.0 » lib » python » BTrees » tests » testConflict.py
##############################################################################
#
# Copyright (c) 2001, 2002 Zope Corporation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (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 os

from BTrees.OOBTree import OOBTree,OOBucket,OOSet,OOTreeSet
from BTrees.IOBTree import IOBTree,IOBucket,IOSet,IOTreeSet
from BTrees.IIBTree import IIBTree,IIBucket,IISet,IITreeSet
from BTrees.OIBTree import OIBTree,OIBucket,OISet,OITreeSet
from unittest import TestCase,TestSuite,TextTestRunner,makeSuite

from ZODB.POSException import ConflictError

class Base:
    """ Tests common to all types: sets, buckets, and BTrees """
    def tearDown(self):
        self.t = None
        del self.t

    def _getRoot(self):
        from ZODB.FileStorage import FileStorage
        from ZODB.DB import DB
        n = 'fs_tmp__%s' % os.getpid()
        s = FileStorage(n)
        db = DB(s)
        root = db.open().root()
        return root

    def _closeDB(self, root):
        root._p_jar._db.close()
        root = None

    def _delDB(self):
        os.system('rm fs_tmp__*')

class MappingBase(Base):
    """ Tests common to mappings (buckets, btrees) """

    def _deletefail(self):
        del self.t[1]

    def _setupConflict(self):

        l=[ -5124, -7377, 2274, 8801, -9901, 7327, 1565, 17, -679,
            3686, -3607, 14, 6419, -5637, 6040, -4556, -8622, 3847, 7191,
            -4067]


        e1=[(-1704, 0), (5420, 1), (-239, 2), (4024, 3), (-6984, 4)]
        e2=[(7745, 0), (4868, 1), (-2548, 2), (-2711, 3), (-3154, 4)]


        base=self.t
        base.update([(i, i*i) for i in l[:20]])
        b1=base.__class__(base)
        b2=base.__class__(base)
        bm=base.__class__(base)

        items=base.items()

        return  base, b1, b2, bm, e1, e2, items

    def testMergeDelete(self):
        base, b1, b2, bm, e1, e2, items = self._setupConflict()
        del b1[items[0][0]]
        del b2[items[5][0]]
        del b1[items[-1][0]]
        del b2[items[-2][0]]
        del bm[items[0][0]]
        del bm[items[5][0]]
        del bm[items[-1][0]]
        del bm[items[-2][0]]
        test_merge(base, b1, b2, bm, 'merge  delete')

    def testMergeDeleteAndUpdate(self):
        base, b1, b2, bm, e1, e2, items = self._setupConflict()
        del b1[items[0][0]]
        b2[items[5][0]]=1
        del b1[items[-1][0]]
        b2[items[-2][0]]=2
        del bm[items[0][0]]
        bm[items[5][0]]=1
        del bm[items[-1][0]]
        bm[items[-2][0]]=2
        test_merge(base, b1, b2, bm, 'merge update and delete')

    def testMergeUpdate(self):
        base, b1, b2, bm, e1, e2, items = self._setupConflict()
        b1[items[0][0]]=1
        b2[items[5][0]]=2
        b1[items[-1][0]]=3
        b2[items[-2][0]]=4
        bm[items[0][0]]=1
        bm[items[5][0]]=2
        bm[items[-1][0]]=3
        bm[items[-2][0]]=4
        test_merge(base, b1, b2, bm, 'merge update')

    def testFailMergeDelete(self):
        base, b1, b2, bm, e1, e2, items = self._setupConflict()
        del b1[items[0][0]]
        del b2[items[0][0]]
        test_merge(base, b1, b2, bm, 'merge conflicting delete',
                   should_fail=1)

    def testFailMergeUpdate(self):
        base, b1, b2, bm, e1, e2, items = self._setupConflict()
        b1[items[0][0]]=1
        b2[items[0][0]]=2
        test_merge(base, b1, b2, bm, 'merge conflicting update',
                   should_fail=1)

    def testFailMergeDeleteAndUpdate(self):
        base, b1, b2, bm, e1, e2, items = self._setupConflict()
        del b1[items[0][0]]
        b2[items[0][0]]=-9
        test_merge(base, b1, b2, bm, 'merge conflicting update and delete',
                   should_fail=1)

    def testMergeInserts(self):
        base, b1, b2, bm, e1, e2, items = self._setupConflict()

        b1[-99999]=-99999
        b1[e1[0][0]]=e1[0][1]
        b2[99999]=99999
        b2[e1[2][0]]=e1[2][1]

        bm[-99999]=-99999
        bm[e1[0][0]]=e1[0][1]
        bm[99999]=99999
        bm[e1[2][0]]=e1[2][1]
        test_merge(base, b1, b2, bm, 'merge insert')

    def testMergeInsertsFromEmpty(self):
        base, b1, b2, bm, e1, e2, items = self._setupConflict()

        base.clear()
        b1.clear()
        b2.clear()
        bm.clear()

        b1.update(e1)
        bm.update(e1)
        b2.update(e2)
        bm.update(e2)

        test_merge(base, b1, b2, bm, 'merge insert from empty')

    def testMergeEmptyAndFill(self):
        base, b1, b2, bm, e1, e2, items = self._setupConflict()

        b1.clear()
        bm.clear()
        b2.update(e2)
        bm.update(e2)

        test_merge(base, b1, b2, bm, 'merge insert from empty')

    def testMergeEmpty(self):
        base, b1, b2, bm, e1, e2, items = self._setupConflict()

        b1.clear()
        bm.clear()

        test_merge(base, b1, b2, bm, 'empty one and not other')

    def testFailMergeInsert(self):
        base, b1, b2, bm, e1, e2, items = self._setupConflict()
        b1[-99999]=-99999
        b1[e1[0][0]]=e1[0][1]
        b2[99999]=99999
        b2[e1[0][0]]=e1[0][1]
        test_merge(base, b1, b2, bm, 'merge conflicting inserts',
                   should_fail=1)


class NormalSetTests(Base):
    """ Test common to all set types """



class ExtendedSetTests(NormalSetTests):
    "Set (as opposed to TreeSet) specific tests."

    def _setupConflict(self):
        l=[ -5124, -7377, 2274, 8801, -9901, 7327, 1565, 17, -679,
            3686, -3607, 14, 6419, -5637, 6040, -4556, -8622, 3847, 7191,
            -4067]

        e1=[-1704, 5420, -239, 4024, -6984]
        e2=[7745, 4868, -2548, -2711, -3154]


        base=self.t
        base.update(l)
        b1=base.__class__(base)
        b2=base.__class__(base)
        bm=base.__class__(base)

        items=base.keys()

        return  base, b1, b2, bm, e1, e2, items

    def testMergeDelete(self):
        base, b1, b2, bm, e1, e2, items = self._setupConflict()
        b1.remove(items[0])
        b2.remove(items[5])
        b1.remove(items[-1])
        b2.remove(items[-2])
        bm.remove(items[0])
        bm.remove(items[5])
        bm.remove(items[-1])
        bm.remove(items[-2])
        test_merge(base, b1, b2, bm, 'merge  delete')

    def testFailMergeDelete(self):
        base, b1, b2, bm, e1, e2, items = self._setupConflict()
        b1.remove(items[0])
        b2.remove(items[0])
        test_merge(base, b1, b2, bm, 'merge conflicting delete',
                   should_fail=1)

    def testMergeInserts(self):
        base, b1, b2, bm, e1, e2, items = self._setupConflict()

        b1.insert(-99999)
        b1.insert(e1[0])
        b2.insert(99999)
        b2.insert(e1[2])

        bm.insert(-99999)
        bm.insert(e1[0])
        bm.insert(99999)
        bm.insert(e1[2])
        test_merge(base, b1, b2, bm, 'merge insert')

    def testMergeInsertsFromEmpty(self):
        base, b1, b2, bm, e1, e2, items = self._setupConflict()

        base.clear()
        b1.clear()
        b2.clear()
        bm.clear()

        b1.update(e1)
        bm.update(e1)
        b2.update(e2)
        bm.update(e2)

        test_merge(base, b1, b2, bm, 'merge insert from empty')

    def testMergeEmptyAndFill(self):
        base, b1, b2, bm, e1, e2, items = self._setupConflict()

        b1.clear()
        bm.clear()
        b2.update(e2)
        bm.update(e2)

        test_merge(base, b1, b2, bm, 'merge insert from empty')

    def testMergeEmpty(self):
        base, b1, b2, bm, e1, e2, items = self._setupConflict()

        b1.clear()
        bm.clear()

        test_merge(base, b1, b2, bm, 'empty one and not other')

    def testFailMergeInsert(self):
        base, b1, b2, bm, e1, e2, items = self._setupConflict()
        b1.insert(-99999)
        b1.insert(e1[0])
        b2.insert(99999)
        b2.insert(e1[0])
        test_merge(base, b1, b2, bm, 'merge conflicting inserts',
                   should_fail=1)


def test_merge(o1, o2, o3, expect, message='failed to merge', should_fail=0):
    s1=o1.__getstate__()
    s2=o2.__getstate__()
    s3=o3.__getstate__()
    expected=expect.__getstate__()
    if expected is None: expected=((((),),),)

    if should_fail:
        try:
            merged=o1._p_resolveConflict(s1, s2, s3)
        except (ConflictError, ValueError), err:
            pass # ConflictError is the only exception that should occur
        else:
            assert 0, message
    else:
        merged=o1._p_resolveConflict(s1, s2, s3)
        assert merged==expected, message

class BucketTests(MappingBase):
    """ Tests common to all buckets """


class BTreeTests(MappingBase):
    """ Tests common to all BTrees """

## BTree tests

class TestIOBTrees(BTreeTests, TestCase):
    def setUp(self):
        self.t = IOBTree()

class TestOOBTrees(BTreeTests, TestCase):
    def setUp(self):
        self.t = OOBTree()

class TestOIBTrees(BTreeTests, TestCase):
    def setUp(self):
        self.t = OIBTree()

class TestIIBTrees(BTreeTests, TestCase):
    def setUp(self):
        self.t = IIBTree()

## Set tests

class TestIOSets(ExtendedSetTests, TestCase):
    def setUp(self):
        self.t = IOSet()

class TestOOSets(ExtendedSetTests, TestCase):
    def setUp(self):
        self.t = OOSet()

class TestIISets(ExtendedSetTests, TestCase):
    def setUp(self):
        self.t = IISet()

class TestOISets(ExtendedSetTests, TestCase):
    def setUp(self):
        self.t = OISet()

class TestIOTreeSets(NormalSetTests, TestCase):
    def setUp(self):
        self.t = IOTreeSet()

class TestOOTreeSets(NormalSetTests, TestCase):
    def setUp(self):
        self.t = OOTreeSet()

class TestIITreeSets(NormalSetTests, TestCase):
    def setUp(self):
        self.t = IITreeSet()

class TestOITreeSets(NormalSetTests, TestCase):
    def setUp(self):
        self.t = OITreeSet()

## Bucket tests

class TestIOBuckets(BucketTests, TestCase):
    def setUp(self):
        self.t = IOBucket()

class TestOOBuckets(BucketTests, TestCase):
    def setUp(self):
        self.t = OOBucket()

class TestIIBuckets(BucketTests, TestCase):
    def setUp(self):
        self.t = IIBucket()

class TestOIBuckets(BucketTests, TestCase):
    def setUp(self):
        self.t = OIBucket()

# XXX disable tests for now
def test_suite():
    TIOBTree = makeSuite(TestIOBTrees, 'test')
    TOOBTree = makeSuite(TestOOBTrees, 'test')
    TOIBTree = makeSuite(TestOIBTrees, 'test')
    TIIBTree = makeSuite(TestIIBTrees, 'test')

    TIOSet = makeSuite(TestIOSets, 'test')
    TOOSet = makeSuite(TestOOSets, 'test')
    TOISet = makeSuite(TestIOSets, 'test')
    TIISet = makeSuite(TestOOSets, 'test')

    TIOTreeSet = makeSuite(TestIOTreeSets, 'test')
    TOOTreeSet = makeSuite(TestOOTreeSets, 'test')
    TOITreeSet = makeSuite(TestIOTreeSets, 'test')
    TIITreeSet = makeSuite(TestOOTreeSets, 'test')

    TIOBucket = makeSuite(TestIOBuckets, 'test')
    TOOBucket = makeSuite(TestOOBuckets, 'test')
    TOIBucket = makeSuite(TestOIBuckets, 'test')
    TIIBucket = makeSuite(TestIIBuckets, 'test')

    alltests = TestSuite((TIOSet, TOOSet, TOISet, TIISet,
                          TIOTreeSet, TOOTreeSet, TOITreeSet, TIITreeSet,
                          TIOBucket, TOOBucket, TOIBucket, TIIBucket,
                          TOOBTree, TIOBTree, TOIBTree, TIIBTree))

    return alltests

## utility functions

def lsubtract(l1, l2):
    l1=list(l1)
    l2=list(l2)
    l = filter(lambda x, l1=l1: x not in l1, l2)
    l = l + filter(lambda x, l2=l2: x not in l2, l1)
    return l

def realseq(itemsob):
    return map(lambda x: x, itemsob)

def main():
    TextTestRunner().run(test_suite())

if __name__ == '__main__':
    main()
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