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306 lines
7.7 KiB
Python
306 lines
7.7 KiB
Python
"""
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TestCases for checking dbShelve objects.
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"""
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import sys, os, string
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import tempfile, random
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from pprint import pprint
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from types import *
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import unittest
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try:
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# For Pythons w/distutils pybsddb
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from bsddb3 import db, dbshelve
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except ImportError:
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# For Python 2.3
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from bsddb import db, dbshelve
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from test_all import verbose
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#----------------------------------------------------------------------
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# We want the objects to be comparable so we can test dbshelve.values
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# later on.
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class DataClass:
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def __init__(self):
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self.value = random.random()
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def __cmp__(self, other):
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return cmp(self.value, other)
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class DBShelveTestCase(unittest.TestCase):
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def setUp(self):
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self.filename = tempfile.mktemp()
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self.do_open()
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def tearDown(self):
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self.do_close()
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try:
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os.remove(self.filename)
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except os.error:
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pass
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def populateDB(self, d):
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for x in string.letters:
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d['S' + x] = 10 * x # add a string
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d['I' + x] = ord(x) # add an integer
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d['L' + x] = [x] * 10 # add a list
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inst = DataClass() # add an instance
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inst.S = 10 * x
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inst.I = ord(x)
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inst.L = [x] * 10
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d['O' + x] = inst
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# overridable in derived classes to affect how the shelf is created/opened
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def do_open(self):
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self.d = dbshelve.open(self.filename)
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# and closed...
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def do_close(self):
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self.d.close()
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def test01_basics(self):
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if verbose:
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print '\n', '-=' * 30
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print "Running %s.test01_basics..." % self.__class__.__name__
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self.populateDB(self.d)
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self.d.sync()
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self.do_close()
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self.do_open()
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d = self.d
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l = len(d)
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k = d.keys()
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s = d.stat()
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f = d.fd()
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if verbose:
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print "length:", l
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print "keys:", k
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print "stats:", s
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assert 0 == d.has_key('bad key')
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assert 1 == d.has_key('IA')
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assert 1 == d.has_key('OA')
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d.delete('IA')
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del d['OA']
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assert 0 == d.has_key('IA')
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assert 0 == d.has_key('OA')
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assert len(d) == l-2
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values = []
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for key in d.keys():
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value = d[key]
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values.append(value)
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if verbose:
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print "%s: %s" % (key, value)
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self.checkrec(key, value)
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dbvalues = d.values()
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assert len(dbvalues) == len(d.keys())
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values.sort()
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dbvalues.sort()
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assert values == dbvalues
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items = d.items()
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assert len(items) == len(values)
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for key, value in items:
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self.checkrec(key, value)
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assert d.get('bad key') == None
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assert d.get('bad key', None) == None
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assert d.get('bad key', 'a string') == 'a string'
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assert d.get('bad key', [1, 2, 3]) == [1, 2, 3]
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d.set_get_returns_none(0)
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self.assertRaises(db.DBNotFoundError, d.get, 'bad key')
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d.set_get_returns_none(1)
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d.put('new key', 'new data')
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assert d.get('new key') == 'new data'
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assert d['new key'] == 'new data'
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def test02_cursors(self):
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if verbose:
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print '\n', '-=' * 30
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print "Running %s.test02_cursors..." % self.__class__.__name__
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self.populateDB(self.d)
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d = self.d
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count = 0
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c = d.cursor()
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rec = c.first()
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while rec is not None:
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count = count + 1
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if verbose:
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print rec
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key, value = rec
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self.checkrec(key, value)
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rec = c.next()
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del c
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assert count == len(d)
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count = 0
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c = d.cursor()
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rec = c.last()
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while rec is not None:
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count = count + 1
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if verbose:
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print rec
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key, value = rec
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self.checkrec(key, value)
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rec = c.prev()
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assert count == len(d)
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c.set('SS')
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key, value = c.current()
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self.checkrec(key, value)
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del c
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def checkrec(self, key, value):
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x = key[1]
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if key[0] == 'S':
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assert type(value) == StringType
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assert value == 10 * x
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elif key[0] == 'I':
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assert type(value) == IntType
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assert value == ord(x)
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elif key[0] == 'L':
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assert type(value) == ListType
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assert value == [x] * 10
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elif key[0] == 'O':
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assert type(value) == InstanceType
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assert value.S == 10 * x
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assert value.I == ord(x)
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assert value.L == [x] * 10
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else:
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raise AssertionError, 'Unknown key type, fix the test'
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#----------------------------------------------------------------------
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class BasicShelveTestCase(DBShelveTestCase):
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def do_open(self):
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self.d = dbshelve.DBShelf()
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self.d.open(self.filename, self.dbtype, self.dbflags)
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def do_close(self):
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self.d.close()
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class BTreeShelveTestCase(BasicShelveTestCase):
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dbtype = db.DB_BTREE
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dbflags = db.DB_CREATE
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class HashShelveTestCase(BasicShelveTestCase):
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dbtype = db.DB_HASH
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dbflags = db.DB_CREATE
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class ThreadBTreeShelveTestCase(BasicShelveTestCase):
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dbtype = db.DB_BTREE
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dbflags = db.DB_CREATE | db.DB_THREAD
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class ThreadHashShelveTestCase(BasicShelveTestCase):
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dbtype = db.DB_HASH
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dbflags = db.DB_CREATE | db.DB_THREAD
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#----------------------------------------------------------------------
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class BasicEnvShelveTestCase(DBShelveTestCase):
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def do_open(self):
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self.homeDir = homeDir = os.path.join(
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tempfile.gettempdir(), 'db_home')
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try: os.mkdir(homeDir)
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except os.error: pass
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self.env = db.DBEnv()
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self.env.open(homeDir, self.envflags | db.DB_INIT_MPOOL | db.DB_CREATE)
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self.filename = os.path.split(self.filename)[1]
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self.d = dbshelve.DBShelf(self.env)
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self.d.open(self.filename, self.dbtype, self.dbflags)
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def do_close(self):
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self.d.close()
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self.env.close()
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def tearDown(self):
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self.do_close()
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import glob
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files = glob.glob(os.path.join(self.homeDir, '*'))
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for file in files:
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os.remove(file)
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class EnvBTreeShelveTestCase(BasicEnvShelveTestCase):
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envflags = 0
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dbtype = db.DB_BTREE
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dbflags = db.DB_CREATE
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class EnvHashShelveTestCase(BasicEnvShelveTestCase):
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envflags = 0
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dbtype = db.DB_HASH
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dbflags = db.DB_CREATE
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class EnvThreadBTreeShelveTestCase(BasicEnvShelveTestCase):
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envflags = db.DB_THREAD
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dbtype = db.DB_BTREE
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dbflags = db.DB_CREATE | db.DB_THREAD
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class EnvThreadHashShelveTestCase(BasicEnvShelveTestCase):
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envflags = db.DB_THREAD
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dbtype = db.DB_HASH
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dbflags = db.DB_CREATE | db.DB_THREAD
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#----------------------------------------------------------------------
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# TODO: Add test cases for a DBShelf in a RECNO DB.
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#----------------------------------------------------------------------
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def test_suite():
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suite = unittest.TestSuite()
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suite.addTest(unittest.makeSuite(DBShelveTestCase))
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suite.addTest(unittest.makeSuite(BTreeShelveTestCase))
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suite.addTest(unittest.makeSuite(HashShelveTestCase))
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suite.addTest(unittest.makeSuite(ThreadBTreeShelveTestCase))
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suite.addTest(unittest.makeSuite(ThreadHashShelveTestCase))
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suite.addTest(unittest.makeSuite(EnvBTreeShelveTestCase))
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suite.addTest(unittest.makeSuite(EnvHashShelveTestCase))
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suite.addTest(unittest.makeSuite(EnvThreadBTreeShelveTestCase))
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suite.addTest(unittest.makeSuite(EnvThreadHashShelveTestCase))
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return suite
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if __name__ == '__main__':
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unittest.main(defaultTest='test_suite')
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