File: test_db.py

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"""
Copyright (c) 2008-2020, Jesus Cea Avion <jcea@jcea.es>
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:

    1. Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.

    2. Redistributions in binary form must reproduce the above
    copyright notice, this list of conditions and the following
    disclaimer in the documentation and/or other materials provided
    with the distribution.

    3. Neither the name of Jesus Cea Avion nor the names of its
    contributors may be used to endorse or promote products derived
    from this software without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
    CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
    MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
    BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
            TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
            DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
    ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
    TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
    THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    SUCH DAMAGE.
    """

import unittest
import os, glob

from test_all import db, test_support, get_new_environment_path, \
        get_new_database_path

#----------------------------------------------------------------------

class DB(unittest.TestCase):
    def setUp(self):
        self.path = get_new_database_path()
        self.db = db.DB()

    def tearDown(self):
        self.db.close()
        del self.db
        test_support.unlink(self.path)

class DB_general(DB) :
    def test_get_open_flags(self) :
        self.db.open(self.path, dbtype=db.DB_HASH, flags = db.DB_CREATE)
        self.assertEqual(db.DB_CREATE, self.db.get_open_flags())

    def test_get_open_flags2(self) :
        self.db.open(self.path, dbtype=db.DB_HASH, flags = db.DB_CREATE |
                db.DB_THREAD)
        self.assertEqual(db.DB_CREATE | db.DB_THREAD, self.db.get_open_flags())

    def test_get_dbname_filename(self) :
        self.db.open(self.path, dbtype=db.DB_HASH, flags = db.DB_CREATE)
        self.assertEqual((self.path, None), self.db.get_dbname())

    def test_get_dbname_filename_database(self) :
        name = "jcea-random-name"
        self.db.open(self.path, dbname=name, dbtype=db.DB_HASH,
                flags = db.DB_CREATE)
        self.assertEqual((self.path, name), self.db.get_dbname())

    def test_bt_minkey(self) :
        for i in [17, 108, 1030] :
            self.db.set_bt_minkey(i)
            self.assertEqual(i, self.db.get_bt_minkey())

    def test_lorder(self) :
        self.db.set_lorder(1234)
        self.assertEqual(1234, self.db.get_lorder())
        self.db.set_lorder(4321)
        self.assertEqual(4321, self.db.get_lorder())
        self.assertRaises(db.DBInvalidArgError, self.db.set_lorder, 9182)

    def test_priority(self) :
        flags = [db.DB_PRIORITY_VERY_LOW, db.DB_PRIORITY_LOW,
                db.DB_PRIORITY_DEFAULT, db.DB_PRIORITY_HIGH,
                db.DB_PRIORITY_VERY_HIGH]
        for flag in flags :
            self.db.set_priority(flag)
            self.assertEqual(flag, self.db.get_priority())

    def test_get_transactional(self) :
        self.assertFalse(self.db.get_transactional())
        self.db.open(self.path, dbtype=db.DB_HASH, flags = db.DB_CREATE)
        self.assertFalse(self.db.get_transactional())

class DB_hash(DB) :
    def test_h_ffactor(self) :
        for ffactor in [4, 16, 256] :
            self.db.set_h_ffactor(ffactor)
            self.assertEqual(ffactor, self.db.get_h_ffactor())

    def test_h_nelem(self) :
        for nelem in [1, 2, 4] :
            nelem = nelem*1024*1024  # Millions
            self.db.set_h_nelem(nelem)
            self.assertEqual(nelem, self.db.get_h_nelem())

    def test_pagesize(self) :
        for i in xrange(9, 17) :  # From 512 to 65536
            i = 1<<i
            self.db.set_pagesize(i)
            self.assertEqual(i, self.db.get_pagesize())

        # The valid values goes from 512 to 65536
        # Test 131072 bytes...
        self.assertRaises(db.DBInvalidArgError, self.db.set_pagesize, 1<<17)
        # Test 256 bytes...
        self.assertRaises(db.DBInvalidArgError, self.db.set_pagesize, 1<<8)

class DB_txn(DB) :
    def setUp(self) :
        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_LOG | db.DB_INIT_TXN)
        self.db = db.DB(self.env)

    def tearDown(self) :
        self.db.close()
        del self.db
        self.env.close()
        del self.env
        test_support.rmtree(self.homeDir)

    def test_flags(self) :
        self.db.set_flags(db.DB_CHKSUM)
        self.assertEqual(db.DB_CHKSUM, self.db.get_flags())
        self.db.set_flags(db.DB_TXN_NOT_DURABLE)
        self.assertEqual(db.DB_TXN_NOT_DURABLE | db.DB_CHKSUM,
                self.db.get_flags())

    def test_get_transactional(self) :
        self.assertFalse(self.db.get_transactional())
        # DB_AUTO_COMMIT = Implicit transaction
        self.db.open("XXX", dbtype=db.DB_HASH,
                flags = db.DB_CREATE | db.DB_AUTO_COMMIT)
        self.assertTrue(self.db.get_transactional())

class DB_recno(DB) :
    def test_re_pad(self) :
        for i in [' ', '*'] :  # Check chars
            self.db.set_re_pad(i)
            self.assertEqual(ord(i), self.db.get_re_pad())
        for i in [97, 65] :  # Check integers
            self.db.set_re_pad(i)
            self.assertEqual(i, self.db.get_re_pad())

    def test_re_delim(self) :
        for i in [' ', '*'] :  # Check chars
            self.db.set_re_delim(i)
            self.assertEqual(ord(i), self.db.get_re_delim())
        for i in [97, 65] :  # Check integers
            self.db.set_re_delim(i)
            self.assertEqual(i, self.db.get_re_delim())

    def test_re_source(self) :
        for i in ["test", "test2", "test3"] :
            self.db.set_re_source(i)
            self.assertEqual(i, self.db.get_re_source())

class DB_queue(DB) :
        def test_re_len(self) :
            for i in [33, 65, 300, 2000] :
                self.db.set_re_len(i)
                self.assertEqual(i, self.db.get_re_len())

        def test_q_extentsize(self) :
            for i in [1, 60, 100] :
                self.db.set_q_extentsize(i)
                self.assertEqual(i, self.db.get_q_extentsize())

def test_suite():
    suite = unittest.TestSuite()

    suite.addTest(unittest.makeSuite(DB_general))
    suite.addTest(unittest.makeSuite(DB_txn))
    suite.addTest(unittest.makeSuite(DB_hash))
    suite.addTest(unittest.makeSuite(DB_recno))
    suite.addTest(unittest.makeSuite(DB_queue))

    return suite

if __name__ == '__main__':
    unittest.main(defaultTest='test_suite')