mirror of
https://github.com/python/cpython.git
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5c5f1703e5
Fixes http://bugs.python.org/issue1233 - bsddb.dbshelve.DBShelf.append was useless due to inverted logic. Also adds a test case for RECNO dbs to test_dbshelve.
367 lines
10 KiB
Python
367 lines
10 KiB
Python
"""
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TestCases for checking dbShelve objects.
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"""
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import os
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import shutil
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import tempfile, random
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import unittest
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from bsddb import db, dbshelve
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from bsddb.test.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 __repr__(self):
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return "DataClass(%r)" % self.value
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def __eq__(self, other):
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value = self.value
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if isinstance(other, DataClass):
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other = other.value
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return value == other
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def __lt__(self, other):
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value = self.value
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if isinstance(other, DataClass):
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other = other.value
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return value < other
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letters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
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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 mk(self, key):
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"""Turn key into an appropriate key type for this db"""
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# override in child class for RECNO
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return key.encode("ascii")
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def populateDB(self, d):
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for x in letters:
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d[self.mk('S' + x)] = 10 * x # add a string
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d[self.mk('I' + x)] = ord(x) # add an integer
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d[self.mk('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[self.mk('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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if verbose:
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print(1, self.d.keys())
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self.d.sync()
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if verbose:
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print(2, self.d.keys())
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self.do_close()
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self.do_open()
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if verbose:
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print(3, self.d.keys())
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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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self.assertFalse(d.has_key(self.mk('bad key')))
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self.assertTrue(d.has_key(self.mk('IA')), d.keys())
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self.assertTrue(d.has_key(self.mk('OA')))
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d.delete(self.mk('IA'))
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del d[self.mk('OA')]
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self.assertFalse(d.has_key(self.mk('IA')))
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self.assertFalse(d.has_key(self.mk('OA')))
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self.assertEqual(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 = sorted(d.values(), key=lambda x: (str(type(x)), x))
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self.assertEqual(len(dbvalues), len(d.keys()))
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values.sort(key=lambda x: (str(type(x)), x))
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self.assertEqual(values, dbvalues, "%r != %r" % (values, dbvalues))
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items = d.items()
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self.assertEqual(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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self.assertEqual(d.get(self.mk('bad key')), None)
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self.assertEqual(d.get(self.mk('bad key'), None), None)
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self.assertEqual(d.get(self.mk('bad key'), b'a string'), b'a string')
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self.assertEqual(d.get(self.mk('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, self.mk('bad key'))
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d.set_get_returns_none(1)
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d.put(self.mk('new key'), b'new data')
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self.assertEqual(d.get(self.mk('new key')), b'new data')
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self.assertEqual(d[self.mk('new key')], b'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(repr(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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self.assertEqual(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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self.assertEqual(count, len(d))
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c.set(self.mk('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 test03_append(self):
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# NOTE: this is overridden in RECNO subclass, don't change its name.
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if verbose:
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print('\n', '-=' * 30)
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print("Running %s.test03_append..." % self.__class__.__name__)
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self.assertRaises(dbshelve.DBShelveError,
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self.d.append, b'unit test was here')
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def checkrec(self, key, value):
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# override this in a subclass if the key type is different
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x = key[1:]
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if key[0:1] == b'S':
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self.assertEquals(type(value), str)
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self.assertEquals(value, 10 * x.decode("ascii"))
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elif key[0:1] == b'I':
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self.assertEquals(type(value), int)
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self.assertEquals(value, ord(x))
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elif key[0:1] == b'L':
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self.assertEquals(type(value), list)
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self.assertEquals(value, [x.decode("ascii")] * 10)
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elif key[0:1] == b'O':
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self.assertEquals(value.S, 10 * x.decode("ascii"))
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self.assertEquals(value.I, ord(x))
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self.assertEquals(value.L, [x.decode("ascii")] * 10)
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else:
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self.fail('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 setUp(self):
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self.homeDir = tempfile.mkdtemp()
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self.filename = 'dbshelve_db_file.db'
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self.do_open()
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def do_open(self):
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self.env = db.DBEnv()
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self.env.open(self.homeDir, self.envflags | db.DB_INIT_MPOOL | db.DB_CREATE)
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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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shutil.rmtree(self.homeDir)
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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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# test cases for a DBShelf in a RECNO DB.
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class RecNoShelveTestCase(BasicShelveTestCase):
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dbtype = db.DB_RECNO
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dbflags = db.DB_CREATE
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def setUp(self):
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BasicShelveTestCase.setUp(self)
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# pool to assign integer key values out of
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self.key_pool = list(range(1, 5000))
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self.key_map = {} # map string keys to the number we gave them
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self.intkey_map = {} # reverse map of above
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def mk(self, key):
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if key not in self.key_map:
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self.key_map[key] = self.key_pool.pop(0)
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self.intkey_map[self.key_map[key]] = key.encode('ascii')
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return self.key_map[key]
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def checkrec(self, intkey, value):
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key = self.intkey_map[intkey]
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BasicShelveTestCase.checkrec(self, key, value)
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def test03_append(self):
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if verbose:
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print('\n', '-=' * 30)
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print("Running %s.test03_append..." % self.__class__.__name__)
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self.d[1] = b'spam'
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self.d[5] = b'eggs'
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self.assertEqual(6, self.d.append(b'spam'))
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self.assertEqual(7, self.d.append(b'baked beans'))
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self.assertEqual(b'spam', self.d.get(6))
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self.assertEqual(b'spam', self.d.get(1))
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self.assertEqual(b'baked beans', self.d.get(7))
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self.assertEqual(b'eggs', self.d.get(5))
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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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suite.addTest(unittest.makeSuite(RecNoShelveTestCase))
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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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