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Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
"""
TestCases for checking dbShelve objects.
"""
import os, string, sys
import random
import unittest
from test_all import db, dbshelve, test_support, verbose, \
get_new_environment_path, get_new_database_path
if sys.version_info < (2, 4) :
from sets import Set as set
#----------------------------------------------------------------------
# We want the objects to be comparable so we can test dbshelve.values
# later on.
class DataClass:
def __init__(self):
self.value = random.random()
def __repr__(self) : # For Python 3.0 comparison
return "DataClass %f" %self.value
def __cmp__(self, other): # For Python 2.x comparison
return cmp(self.value, other)
class DBShelveTestCase(unittest.TestCase):
if sys.version_info < (2, 4):
def assertTrue(self, expr, msg=None):
return self.failUnless(expr,msg=msg)
if (sys.version_info < (2, 7)) or ((sys.version_info >= (3, 0)) and
(sys.version_info < (3, 2))) :
def assertIn(self, a, b, msg=None) :
return self.assertTrue(a in b, msg=msg)
def setUp(self):
if sys.version_info[0] >= 3 :
from test_all import do_proxy_db_py3k
self._flag_proxy_db_py3k = do_proxy_db_py3k(False)
self.filename = get_new_database_path()
self.do_open()
def tearDown(self):
if sys.version_info[0] >= 3 :
from test_all import do_proxy_db_py3k
do_proxy_db_py3k(self._flag_proxy_db_py3k)
self.do_close()
test_support.unlink(self.filename)
def mk(self, key):
"""Turn key into an appropriate key type for this db"""
# override in child class for RECNO
if sys.version_info[0] < 3 :
return key
else :
return bytes(key, "iso8859-1") # 8 bits
def populateDB(self, d):
for x in string.letters:
d[self.mk('S' + x)] = 10 * x # add a string
d[self.mk('I' + x)] = ord(x) # add an integer
d[self.mk('L' + x)] = [x] * 10 # add a list
inst = DataClass() # add an instance
inst.S = 10 * x
inst.I = ord(x)
inst.L = [x] * 10
d[self.mk('O' + x)] = inst
# overridable in derived classes to affect how the shelf is created/opened
def do_open(self):
self.d = dbshelve.open(self.filename)
# and closed...
def do_close(self):
self.d.close()
def test01_basics(self):
if verbose:
print '\n', '-=' * 30
print "Running %s.test01_basics..." % self.__class__.__name__
self.populateDB(self.d)
self.d.sync()
self.do_close()
self.do_open()
d = self.d
l = len(d)
k = d.keys()
s = d.stat()
f = d.fd()
if verbose:
print "length:", l
print "keys:", k
print "stats:", s
self.assertEqual(0, d.has_key(self.mk('bad key')))
self.assertEqual(1, d.has_key(self.mk('IA')))
self.assertEqual(1, d.has_key(self.mk('OA')))
d.delete(self.mk('IA'))
del d[self.mk('OA')]
self.assertEqual(0, d.has_key(self.mk('IA')))
self.assertEqual(0, d.has_key(self.mk('OA')))
self.assertEqual(len(d), l-2)
values = []
for key in d.keys():
value = d[key]
values.append(value)
if verbose:
print "%s: %s" % (key, value)
self.checkrec(key, value)
dbvalues = d.values()
self.assertEqual(len(dbvalues), len(d.keys()))
if sys.version_info < (2, 6) :
values.sort()
dbvalues.sort()
self.assertEqual(values, dbvalues)
else : # XXX: Convert all to strings. Please, improve
values.sort(key=lambda x : str(x))
dbvalues.sort(key=lambda x : str(x))
self.assertEqual(repr(values), repr(dbvalues))
items = d.items()
self.assertEqual(len(items), len(values))
for key, value in items:
self.checkrec(key, value)
self.assertEqual(d.get(self.mk('bad key')), None)
self.assertEqual(d.get(self.mk('bad key'), None), None)
self.assertEqual(d.get(self.mk('bad key'), 'a string'), 'a string')
self.assertEqual(d.get(self.mk('bad key'), [1, 2, 3]), [1, 2, 3])
d.set_get_returns_none(0)
self.assertRaises(db.DBNotFoundError, d.get, self.mk('bad key'))
d.set_get_returns_none(1)
d.put(self.mk('new key'), 'new data')
self.assertEqual(d.get(self.mk('new key')), 'new data')
self.assertEqual(d[self.mk('new key')], 'new data')
def test02_cursors(self):
if verbose:
print '\n', '-=' * 30
print "Running %s.test02_cursors..." % self.__class__.__name__
self.populateDB(self.d)
d = self.d
count = 0
c = d.cursor()
rec = c.first()
while rec is not None:
count = count + 1
if verbose:
print rec
key, value = rec
self.checkrec(key, value)
# Hack to avoid conversion by 2to3 tool
rec = getattr(c, "next")()
del c
self.assertEqual(count, len(d))
count = 0
c = d.cursor()
rec = c.last()
while rec is not None:
count = count + 1
if verbose:
print rec
key, value = rec
self.checkrec(key, value)
rec = c.prev()
self.assertEqual(count, len(d))
c.set(self.mk('SS'))
key, value = c.current()
self.checkrec(key, value)
del c
def test03_append(self):
# NOTE: this is overridden in RECNO subclass, don't change its name.
if verbose:
print '\n', '-=' * 30
print "Running %s.test03_append..." % self.__class__.__name__
self.assertRaises(dbshelve.DBShelveError,
self.d.append, 'unit test was here')
def test04_iterable(self) :
self.populateDB(self.d)
d = self.d
keys = d.keys()
keyset = set(keys)
self.assertEqual(len(keyset), len(keys))
for key in d :
self.assertIn(key, keyset)
keyset.remove(key)
self.assertEqual(len(keyset), 0)
def checkrec(self, key, value):
# override this in a subclass if the key type is different
if sys.version_info[0] >= 3 :
if isinstance(key, bytes) :
key = key.decode("iso8859-1") # 8 bits
x = key[1]
if key[0] == 'S':
self.assertEqual(type(value), str)
self.assertEqual(value, 10 * x)
elif key[0] == 'I':
self.assertEqual(type(value), int)
self.assertEqual(value, ord(x))
elif key[0] == 'L':
self.assertEqual(type(value), list)
self.assertEqual(value, [x] * 10)
elif key[0] == 'O':
if sys.version_info[0] < 3 :
from types import InstanceType
self.assertEqual(type(value), InstanceType)
else :
self.assertEqual(type(value), DataClass)
self.assertEqual(value.S, 10 * x)
self.assertEqual(value.I, ord(x))
self.assertEqual(value.L, [x] * 10)
else:
self.assertTrue(0, 'Unknown key type, fix the test')
#----------------------------------------------------------------------
class BasicShelveTestCase(DBShelveTestCase):
def do_open(self):
self.d = dbshelve.DBShelf()
self.d.open(self.filename, self.dbtype, self.dbflags)
def do_close(self):
self.d.close()
class BTreeShelveTestCase(BasicShelveTestCase):
dbtype = db.DB_BTREE
dbflags = db.DB_CREATE
class HashShelveTestCase(BasicShelveTestCase):
dbtype = db.DB_HASH
dbflags = db.DB_CREATE
class ThreadBTreeShelveTestCase(BasicShelveTestCase):
dbtype = db.DB_BTREE
dbflags = db.DB_CREATE | db.DB_THREAD
class ThreadHashShelveTestCase(BasicShelveTestCase):
dbtype = db.DB_HASH
dbflags = db.DB_CREATE | db.DB_THREAD
#----------------------------------------------------------------------
class BasicEnvShelveTestCase(DBShelveTestCase):
def do_open(self):
self.env = db.DBEnv()
self.env.open(self.homeDir,
self.envflags | db.DB_INIT_MPOOL | db.DB_CREATE)
self.filename = os.path.split(self.filename)[1]
self.d = dbshelve.DBShelf(self.env)
self.d.open(self.filename, self.dbtype, self.dbflags)
def do_close(self):
self.d.close()
self.env.close()
def setUp(self) :
self.homeDir = get_new_environment_path()
DBShelveTestCase.setUp(self)
def tearDown(self):
if sys.version_info[0] >= 3 :
from test_all import do_proxy_db_py3k
do_proxy_db_py3k(self._flag_proxy_db_py3k)
self.do_close()
test_support.rmtree(self.homeDir)
class EnvBTreeShelveTestCase(BasicEnvShelveTestCase):
envflags = 0
dbtype = db.DB_BTREE
dbflags = db.DB_CREATE
class EnvHashShelveTestCase(BasicEnvShelveTestCase):
envflags = 0
dbtype = db.DB_HASH
dbflags = db.DB_CREATE
class EnvThreadBTreeShelveTestCase(BasicEnvShelveTestCase):
envflags = db.DB_THREAD
dbtype = db.DB_BTREE
dbflags = db.DB_CREATE | db.DB_THREAD
class EnvThreadHashShelveTestCase(BasicEnvShelveTestCase):
envflags = db.DB_THREAD
dbtype = db.DB_HASH
dbflags = db.DB_CREATE | db.DB_THREAD
#----------------------------------------------------------------------
# test cases for a DBShelf in a RECNO DB.
class RecNoShelveTestCase(BasicShelveTestCase):
dbtype = db.DB_RECNO
dbflags = db.DB_CREATE
def setUp(self):
BasicShelveTestCase.setUp(self)
# pool to assign integer key values out of
self.key_pool = list(range(1, 5000))
self.key_map = {} # map string keys to the number we gave them
self.intkey_map = {} # reverse map of above
def mk(self, key):
if key not in self.key_map:
self.key_map[key] = self.key_pool.pop(0)
self.intkey_map[self.key_map[key]] = key
return self.key_map[key]
def checkrec(self, intkey, value):
key = self.intkey_map[intkey]
BasicShelveTestCase.checkrec(self, key, value)
def test03_append(self):
if verbose:
print '\n', '-=' * 30
print "Running %s.test03_append..." % self.__class__.__name__
self.d[1] = 'spam'
self.d[5] = 'eggs'
self.assertEqual(6, self.d.append('spam'))
self.assertEqual(7, self.d.append('baked beans'))
self.assertEqual('spam', self.d.get(6))
self.assertEqual('spam', self.d.get(1))
self.assertEqual('baked beans', self.d.get(7))
self.assertEqual('eggs', self.d.get(5))
#----------------------------------------------------------------------
def test_suite():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(DBShelveTestCase))
suite.addTest(unittest.makeSuite(BTreeShelveTestCase))
suite.addTest(unittest.makeSuite(HashShelveTestCase))
suite.addTest(unittest.makeSuite(ThreadBTreeShelveTestCase))
suite.addTest(unittest.makeSuite(ThreadHashShelveTestCase))
suite.addTest(unittest.makeSuite(EnvBTreeShelveTestCase))
suite.addTest(unittest.makeSuite(EnvHashShelveTestCase))
suite.addTest(unittest.makeSuite(EnvThreadBTreeShelveTestCase))
suite.addTest(unittest.makeSuite(EnvThreadHashShelveTestCase))
suite.addTest(unittest.makeSuite(RecNoShelveTestCase))
return suite
if __name__ == '__main__':
unittest.main(defaultTest='test_suite')