#!/usr/bin/env python
#
# Public Domain 2014-2015 MongoDB, Inc.
# Public Domain 2008-2014 WiredTiger, Inc.
#
# This is free and unencumbered software released into the public domain.
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# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
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# test_perf001.py
#       Test performance when inserting into a table with an index.

import wiredtiger, wttest
import random
from time import clock, time
from wtscenario import check_scenarios

# Test performance of inserting into a table with an index.
class test_perf001(wttest.WiredTigerTestCase):
    table_name = 'test_perf001'

    scenarios = check_scenarios([
        #('file-file', dict(tabletype='file',indextype='file')),
        ('file-lsm', dict(tabletype='file',indextype='lsm')),
        #('lsm-file', dict(tabletype='lsm',indextype='file')),
        #('lsm-lsm', dict(tabletype='lsm',indextype='lsm')),
    ])

    def setUpConnectionOpen(self, dir):
        wtopen_args = 'create,cache_size=512M'
        conn = wiredtiger.wiredtiger_open(dir, wtopen_args)
        self.pr(`conn`)
        return conn

    def test_performance_of_indices(self):
        uri = 'table:' + self.table_name
        create_args = 'key_format=i,value_format=ii,columns=(a,c,d),type=' + self.tabletype
        self.session.create(uri, create_args)
        self.session.create('index:' + self.table_name + ':ia',
            'columns=(d,c),type=' + self.indextype)

        c = self.session.open_cursor('table:' + self.table_name, None, None)
        start_time = clock()
        for i in xrange(750000):
            # 100 operations should never take 5 seconds, sometimes they take
            # 2 seconds when a page is being force-evicted.
            if i % 100 == 0 and i != 0:
                end_time = clock()
                self.assertTrue(end_time - start_time < 5)
                start_time = end_time
            c[i] = (int(time()), random.randint(1,5))
        c.close()

if __name__ == '__main__':
    wttest.run()

