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

# test_util17.py
#    Utilities: wt stat
class test_util17(wttest.WiredTigerTestCase, suite_subprocess):
    tablename = 'test_util17.a'

    def test_stat_process(self):
        """
        Test stat in a 'wt' process
        This test is just here to confirm that stat produces a correct looking
        output, it isn't here to do statistics validation.
        """
        params = 'key_format=S,value_format=S'
        outfile = "wt-stat.out"
        expected_string = "cursor: cursor create calls="
        self.session.create('table:' + self.tablename, params)
        self.assertTrue(os.path.exists(self.tablename + ".wt"))
        self.runWt(["stat"], outfilename=outfile)
        self.check_file_contains(outfile, expected_string)

        expected_string = "cache_walk: Entries in the root page=1"
        self.runWt(["stat", "table:" + self.tablename ], outfilename=outfile)
        self.check_file_contains(outfile, expected_string)

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