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#!/usr/bin/env python
#
# Copyright (c) 2008-2012 WiredTiger, Inc.
# All rights reserved.
#
# See the file LICENSE for redistribution information.
#
# test_config04.py
# Individually test config options
#
import unittest
import wiredtiger
from wiredtiger import WiredTigerError
import wttest
import os
class test_config04(wttest.WiredTigerTestCase):
table_name1 = 'test_config04'
nentries = 100
K = 1024
M = K * K
G = K * M
T = K * G
# Each test needs to set up its connection in its own way,
# so override these methods to do nothing
def setUpConnectionOpen(self, dir):
return None
def setUpSessionOpen(self, conn):
return None
def populate_and_check(self):
"""
Create entries, and read back in a cursor: key=string, value=string
"""
create_args = 'key_format=S,value_format=S'
self.session.create("table:" + self.table_name1, create_args)
cursor = self.session.open_cursor('table:' + self.table_name1, None, None)
for i in range(0, self.nentries):
cursor.set_key(str(1000000 + i))
cursor.set_value('value' + str(i))
cursor.insert()
i = 0
cursor.reset()
for key, value in cursor:
self.assertEqual(key, str(1000000 + i))
self.assertEqual(value, ('value' + str(i)))
i += 1
self.assertEqual(i, self.nentries)
cursor.close(None)
def common_test(self, configextra):
"""
Call wiredtiger_open and run a simple test.
configextra are any extra configuration strings needed on the open.
"""
configarg = 'create'
if configextra != None:
configarg += ',' + configextra
self.conn = wiredtiger.wiredtiger_open('.', configarg)
self.session = self.conn.open_session(None)
self.populate_and_check()
def common_cache_size_test(self, sizestr, size):
self.common_test('cache_size=' + sizestr)
cursor = self.session.open_cursor('statistics:', None, None)
cursor.set_key(wiredtiger.stat.cache_bytes_max)
self.assertEqual(cursor.search(), 0)
got_cache = cursor.get_values()[2]
self.assertEqual(got_cache, size)
def test_bad_config(self):
self.assertRaises(WiredTigerError, lambda:
wiredtiger.wiredtiger_open('.', 'not_valid,another_bad=10'))
def test_cache_size_number(self):
# Use a number without multipliers
# 1M is the minimum, we'll ask for 1025 * 1024
cache_size_str = str(1025 * 1024)
self.common_cache_size_test(cache_size_str, 1025*self.K)
def test_cache_size_K(self):
# Kilobyte sizing test
# 1M is the minimum, so ask for that using K notation.
self.common_cache_size_test('1024K', 1024*self.K)
def test_cache_size_M(self):
# Megabyte sizing test
self.common_cache_size_test('30M', 30*self.M)
def test_cache_size_G(self):
# Gigabyte sizing test
# We are specifying the maximum the cache can grow,
# not the initial cache amount, so small tests like
# this can still run on smaller machines.
self.common_cache_size_test('7G', 7*self.G)
def test_cache_size_T(self):
# Terabyte sizing test
# We are specifying the maximum the cache can grow,
# not the initial cache amount, so small tests like
# this can still run on smaller machines.
self.common_cache_size_test('2T', 2*self.T)
def test_cache_too_small(self):
self.assertRaises(WiredTigerError, lambda:
wiredtiger.wiredtiger_open('.', 'create,cache_size=900000'))
def test_cache_too_large(self):
T11 = 11 * self.T # 11 Terabytes
self.assertRaises(WiredTigerError, lambda:
wiredtiger.wiredtiger_open('.', 'create,cache_size=' + str(T11)))
def test_eviction(self):
self.common_test('eviction_target=84,eviction_trigger=94')
# Note
def test_eviction_bad(self):
self.assertRaises(WiredTigerError, lambda:
wiredtiger.wiredtiger_open('.', 'create,eviction_target=91,' +
'eviction_trigger=81'))
def test_eviction_bad2(self):
self.assertRaises(WiredTigerError, lambda:
wiredtiger.wiredtiger_open('.', 'create,eviction_target=86,' +
'eviction_trigger=86'))
def test_hazard_max(self):
# Note: There isn't any direct way to know that this was set.
self.common_test('hazard_max=50')
def test_session_max(self):
# Note: There isn't any direct way to know that this was set,
# but we'll have a separate functionality test to test for
# this indirectly.
self.common_test('session_max=99')
def test_multiprocess(self):
self.common_test('multiprocess')
# TODO: how do we verify that it was set?
def test_error_prefix(self):
self.common_test('error_prefix="MyOwnPrefix"')
# TODO: how do we verify that it was set?
def test_logging(self):
# Note: this will have functional tests in the future.
self.common_test('logging')
def test_transactional(self):
# Note: this will have functional tests in the future.
self.common_test('transactional')
if __name__ == '__main__':
wttest.run()
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