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cpython/Lib/bsddb/test/test_associate.py

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"""
TestCases for DB.associate.
"""
import sys, os, string
import time
from pprint import pprint
import unittest
from test_all import db, dbshelve, test_support, verbose, have_threads, \
get_new_environment_path
#----------------------------------------------------------------------
musicdata = {
1 : ("Bad English", "The Price Of Love", "Rock"),
2 : ("DNA featuring Suzanne Vega", "Tom's Diner", "Rock"),
3 : ("George Michael", "Praying For Time", "Rock"),
4 : ("Gloria Estefan", "Here We Are", "Rock"),
5 : ("Linda Ronstadt", "Don't Know Much", "Rock"),
6 : ("Michael Bolton", "How Am I Supposed To Live Without You", "Blues"),
7 : ("Paul Young", "Oh Girl", "Rock"),
8 : ("Paula Abdul", "Opposites Attract", "Rock"),
9 : ("Richard Marx", "Should've Known Better", "Rock"),
10: ("Rod Stewart", "Forever Young", "Rock"),
11: ("Roxette", "Dangerous", "Rock"),
12: ("Sheena Easton", "The Lover In Me", "Rock"),
13: ("Sinead O'Connor", "Nothing Compares 2 U", "Rock"),
14: ("Stevie B.", "Because I Love You", "Rock"),
15: ("Taylor Dayne", "Love Will Lead You Back", "Rock"),
16: ("The Bangles", "Eternal Flame", "Rock"),
17: ("Wilson Phillips", "Release Me", "Rock"),
18: ("Billy Joel", "Blonde Over Blue", "Rock"),
19: ("Billy Joel", "Famous Last Words", "Rock"),
20: ("Billy Joel", "Lullabye (Goodnight, My Angel)", "Rock"),
21: ("Billy Joel", "The River Of Dreams", "Rock"),
22: ("Billy Joel", "Two Thousand Years", "Rock"),
23: ("Janet Jackson", "Alright", "Rock"),
24: ("Janet Jackson", "Black Cat", "Rock"),
25: ("Janet Jackson", "Come Back To Me", "Rock"),
26: ("Janet Jackson", "Escapade", "Rock"),
27: ("Janet Jackson", "Love Will Never Do (Without You)", "Rock"),
28: ("Janet Jackson", "Miss You Much", "Rock"),
29: ("Janet Jackson", "Rhythm Nation", "Rock"),
30: ("Janet Jackson", "State Of The World", "Rock"),
31: ("Janet Jackson", "The Knowledge", "Rock"),
32: ("Spyro Gyra", "End of Romanticism", "Jazz"),
33: ("Spyro Gyra", "Heliopolis", "Jazz"),
34: ("Spyro Gyra", "Jubilee", "Jazz"),
35: ("Spyro Gyra", "Little Linda", "Jazz"),
36: ("Spyro Gyra", "Morning Dance", "Jazz"),
37: ("Spyro Gyra", "Song for Lorraine", "Jazz"),
38: ("Yes", "Owner Of A Lonely Heart", "Rock"),
39: ("Yes", "Rhythm Of Love", "Rock"),
40: ("Cusco", "Dream Catcher", "New Age"),
41: ("Cusco", "Geronimos Laughter", "New Age"),
42: ("Cusco", "Ghost Dance", "New Age"),
43: ("Blue Man Group", "Drumbone", "New Age"),
44: ("Blue Man Group", "Endless Column", "New Age"),
45: ("Blue Man Group", "Klein Mandelbrot", "New Age"),
46: ("Kenny G", "Silhouette", "Jazz"),
47: ("Sade", "Smooth Operator", "Jazz"),
48: ("David Arkenstone", "Papillon (On The Wings Of The Butterfly)",
"New Age"),
49: ("David Arkenstone", "Stepping Stars", "New Age"),
50: ("David Arkenstone", "Carnation Lily Lily Rose", "New Age"),
51: ("David Lanz", "Behind The Waterfall", "New Age"),
52: ("David Lanz", "Cristofori's Dream", "New Age"),
53: ("David Lanz", "Heartsounds", "New Age"),
54: ("David Lanz", "Leaves on the Seine", "New Age"),
99: ("unknown artist", "Unnamed song", "Unknown"),
}
#----------------------------------------------------------------------
class AssociateErrorTestCase(unittest.TestCase):
def setUp(self):
self.filename = self.__class__.__name__ + '.db'
self.homeDir = get_new_environment_path()
self.env = db.DBEnv()
self.env.open(self.homeDir, db.DB_CREATE | db.DB_INIT_MPOOL)
def tearDown(self):
self.env.close()
self.env = None
test_support.rmtree(self.homeDir)
def test00_associateDBError(self):
if verbose:
print '\n', '-=' * 30
print "Running %s.test00_associateDBError..." % \
self.__class__.__name__
dupDB = db.DB(self.env)
dupDB.set_flags(db.DB_DUP)
dupDB.open(self.filename, "primary", db.DB_BTREE, db.DB_CREATE)
secDB = db.DB(self.env)
secDB.open(self.filename, "secondary", db.DB_BTREE, db.DB_CREATE)
# dupDB has been configured to allow duplicates, it can't
# associate with a secondary. Berkeley DB will return an error.
try:
def f(a,b): return a+b
dupDB.associate(secDB, f)
except db.DBError:
# good
secDB.close()
dupDB.close()
else:
secDB.close()
dupDB.close()
self.fail("DBError exception was expected")
#----------------------------------------------------------------------
class AssociateTestCase(unittest.TestCase):
keytype = ''
envFlags = 0
dbFlags = 0
def setUp(self):
self.filename = self.__class__.__name__ + '.db'
self.homeDir = get_new_environment_path()
self.env = db.DBEnv()
self.env.open(self.homeDir, db.DB_CREATE | db.DB_INIT_MPOOL |
db.DB_INIT_LOCK | db.DB_THREAD | self.envFlags)
def tearDown(self):
self.closeDB()
self.env.close()
self.env = None
test_support.rmtree(self.homeDir)
def addDataToDB(self, d, txn=None):
for key, value in musicdata.items():
if type(self.keytype) == type(''):
key = "%02d" % key
d.put(key, '|'.join(value), txn=txn)
def createDB(self, txn=None):
self.cur = None
self.secDB = None
self.primary = db.DB(self.env)
self.primary.set_get_returns_none(2)
if db.version() >= (4, 1):
self.primary.open(self.filename, "primary", self.dbtype,
db.DB_CREATE | db.DB_THREAD | self.dbFlags, txn=txn)
else:
self.primary.open(self.filename, "primary", self.dbtype,
db.DB_CREATE | db.DB_THREAD | self.dbFlags)
def closeDB(self):
if self.cur:
self.cur.close()
self.cur = None
if self.secDB:
self.secDB.close()
self.secDB = None
self.primary.close()
self.primary = None
def getDB(self):
return self.primary
def test01_associateWithDB(self):
if verbose:
print '\n', '-=' * 30
print "Running %s.test01_associateWithDB..." % \
self.__class__.__name__
self.createDB()
self.secDB = db.DB(self.env)
self.secDB.set_flags(db.DB_DUP)
self.secDB.set_get_returns_none(2)
self.secDB.open(self.filename, "secondary", db.DB_BTREE,
db.DB_CREATE | db.DB_THREAD | self.dbFlags)
self.getDB().associate(self.secDB, self.getGenre)
self.addDataToDB(self.getDB())
self.finish_test(self.secDB)
def test02_associateAfterDB(self):
if verbose:
print '\n', '-=' * 30
print "Running %s.test02_associateAfterDB..." % \
self.__class__.__name__
self.createDB()
self.addDataToDB(self.getDB())
self.secDB = db.DB(self.env)
self.secDB.set_flags(db.DB_DUP)
self.secDB.open(self.filename, "secondary", db.DB_BTREE,
db.DB_CREATE | db.DB_THREAD | self.dbFlags)
# adding the DB_CREATE flag will cause it to index existing records
self.getDB().associate(self.secDB, self.getGenre, db.DB_CREATE)
self.finish_test(self.secDB)
def finish_test(self, secDB, txn=None):
# 'Blues' should not be in the secondary database
vals = secDB.pget('Blues', txn=txn)
self.assertEqual(vals, None, vals)
vals = secDB.pget('Unknown', txn=txn)
self.assert_(vals[0] == 99 or vals[0] == '99', vals)
vals[1].index('Unknown')
vals[1].index('Unnamed')
vals[1].index('unknown')
if verbose:
print "Primary key traversal:"
self.cur = self.getDB().cursor(txn)
count = 0
rec = self.cur.first()
while rec is not None:
if type(self.keytype) == type(''):
self.assert_(int(rec[0])) # for primary db, key is a number
else:
self.assert_(rec[0] and type(rec[0]) == type(0))
count = count + 1
if verbose:
print rec
rec = getattr(self.cur, "next")()
self.assertEqual(count, len(musicdata)) # all items accounted for
if verbose:
print "Secondary key traversal:"
self.cur = secDB.cursor(txn)
count = 0
# test cursor pget
vals = self.cur.pget('Unknown', flags=db.DB_LAST)
self.assert_(vals[1] == 99 or vals[1] == '99', vals)
self.assertEqual(vals[0], 'Unknown')
vals[2].index('Unknown')
vals[2].index('Unnamed')
vals[2].index('unknown')
vals = self.cur.pget('Unknown', data='wrong value', flags=db.DB_GET_BOTH)
self.assertEqual(vals, None, vals)
rec = self.cur.first()
self.assertEqual(rec[0], "Jazz")
while rec is not None:
count = count + 1
if verbose:
print rec
rec = getattr(self.cur, "next")()
# all items accounted for EXCEPT for 1 with "Blues" genre
self.assertEqual(count, len(musicdata)-1)
self.cur = None
def getGenre(self, priKey, priData):
self.assertEqual(type(priData), type(""))
genre = priData.split('|')[2]
if verbose:
print 'getGenre key: %r data: %r' % (priKey, priData)
if genre == 'Blues':
return db.DB_DONOTINDEX
else:
return genre
#----------------------------------------------------------------------
class AssociateHashTestCase(AssociateTestCase):
dbtype = db.DB_HASH
class AssociateBTreeTestCase(AssociateTestCase):
dbtype = db.DB_BTREE
class AssociateRecnoTestCase(AssociateTestCase):
dbtype = db.DB_RECNO
keytype = 0
#----------------------------------------------------------------------
class AssociateBTreeTxnTestCase(AssociateBTreeTestCase):
envFlags = db.DB_INIT_TXN
dbFlags = 0
def txn_finish_test(self, sDB, txn):
try:
self.finish_test(sDB, txn=txn)
finally:
if self.cur:
self.cur.close()
self.cur = None
if txn:
txn.commit()
def test13_associate_in_transaction(self):
if verbose:
print '\n', '-=' * 30
print "Running %s.test13_associateAutoCommit..." % \
self.__class__.__name__
txn = self.env.txn_begin()
try:
self.createDB(txn=txn)
self.secDB = db.DB(self.env)
self.secDB.set_flags(db.DB_DUP)
self.secDB.set_get_returns_none(2)
self.secDB.open(self.filename, "secondary", db.DB_BTREE,
db.DB_CREATE | db.DB_THREAD, txn=txn)
if db.version() >= (4,1):
self.getDB().associate(self.secDB, self.getGenre, txn=txn)
else:
self.getDB().associate(self.secDB, self.getGenre)
self.addDataToDB(self.getDB(), txn=txn)
except:
txn.abort()
raise
self.txn_finish_test(self.secDB, txn=txn)
#----------------------------------------------------------------------
class ShelveAssociateTestCase(AssociateTestCase):
def createDB(self):
self.primary = dbshelve.open(self.filename,
dbname="primary",
dbenv=self.env,
filetype=self.dbtype)
def addDataToDB(self, d):
for key, value in musicdata.items():
if type(self.keytype) == type(''):
key = "%02d" % key
d.put(key, value) # save the value as is this time
def getGenre(self, priKey, priData):
self.assertEqual(type(priData), type(()))
if verbose:
print 'getGenre key: %r data: %r' % (priKey, priData)
genre = priData[2]
if genre == 'Blues':
return db.DB_DONOTINDEX
else:
return genre
class ShelveAssociateHashTestCase(ShelveAssociateTestCase):
dbtype = db.DB_HASH
class ShelveAssociateBTreeTestCase(ShelveAssociateTestCase):
dbtype = db.DB_BTREE
class ShelveAssociateRecnoTestCase(ShelveAssociateTestCase):
dbtype = db.DB_RECNO
keytype = 0
#----------------------------------------------------------------------
class ThreadedAssociateTestCase(AssociateTestCase):
def addDataToDB(self, d):
t1 = Thread(target = self.writer1,
args = (d, ))
t2 = Thread(target = self.writer2,
args = (d, ))
t1.setDaemon(True)
t2.setDaemon(True)
t1.start()
t2.start()
t1.join()
t2.join()
def writer1(self, d):
for key, value in musicdata.items():
if type(self.keytype) == type(''):
key = "%02d" % key
d.put(key, '|'.join(value))
def writer2(self, d):
for x in range(100, 600):
key = 'z%2d' % x
value = [key] * 4
d.put(key, '|'.join(value))
class ThreadedAssociateHashTestCase(ShelveAssociateTestCase):
dbtype = db.DB_HASH
class ThreadedAssociateBTreeTestCase(ShelveAssociateTestCase):
dbtype = db.DB_BTREE
class ThreadedAssociateRecnoTestCase(ShelveAssociateTestCase):
dbtype = db.DB_RECNO
keytype = 0
#----------------------------------------------------------------------
def test_suite():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(AssociateErrorTestCase))
suite.addTest(unittest.makeSuite(AssociateHashTestCase))
suite.addTest(unittest.makeSuite(AssociateBTreeTestCase))
suite.addTest(unittest.makeSuite(AssociateRecnoTestCase))
if db.version() >= (4, 1):
suite.addTest(unittest.makeSuite(AssociateBTreeTxnTestCase))
suite.addTest(unittest.makeSuite(ShelveAssociateHashTestCase))
suite.addTest(unittest.makeSuite(ShelveAssociateBTreeTestCase))
suite.addTest(unittest.makeSuite(ShelveAssociateRecnoTestCase))
if have_threads:
suite.addTest(unittest.makeSuite(ThreadedAssociateHashTestCase))
suite.addTest(unittest.makeSuite(ThreadedAssociateBTreeTestCase))
suite.addTest(unittest.makeSuite(ThreadedAssociateRecnoTestCase))
return suite
if __name__ == '__main__':
unittest.main(defaultTest='test_suite')
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