#!/usr/bin/env python
#
# Public Domain 2014-2018 MongoDB, Inc.
# Public Domain 2008-2014 WiredTiger, Inc.
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import fnmatch, os, time
import wiredtiger, wttest
from wtdataset import SimpleDataSet

# test_reconfig03.py
#    Test the connection reconfiguration operations used in the MongoDB
#    test reconfigwt.js.
class test_reconfig03(wttest.WiredTigerTestCase):
    conn_config = 'log=(archive=false,enabled,file_max=100K,prealloc=false,zero_fill=false),checkpoint=(wait=1),cache_size=1G'
    uri = "table:reconfig03"

    # Reconfigure similar to MongoDB tests.  Sleep so that checkpoint
    # can run after we've made modifications.
    def test_reconfig03_mdb(self):
        entries = 10000
        SimpleDataSet(self, self.uri, entries).populate()
        time.sleep(1)
        self.conn.reconfigure("eviction_target=81")
        SimpleDataSet(self, self.uri, entries * 2).populate()
        time.sleep(1)
        self.conn.reconfigure("cache_size=81M")
        SimpleDataSet(self, self.uri, entries * 3).populate()
        time.sleep(1)
        self.conn.reconfigure("eviction_dirty_target=82")
        SimpleDataSet(self, self.uri, entries * 4).populate()
        time.sleep(1)
        self.conn.reconfigure("shared_cache=(chunk=11MB, name=bar, reserve=12MB, size=1G)")

    def test_reconfig03_log_size(self):
        #
        # Reconfigure checkpoint based on log size.
        #
        self.conn.reconfigure("checkpoint=(log_size=20)")
        self.conn.reconfigure("checkpoint=(log_size=1M)")
        self.conn.reconfigure("checkpoint=(log_size=0)")

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