#!/usr/bin/env python
#
# Public Domain 2014-2019 MongoDB, Inc.
# Public Domain 2008-2014 WiredTiger, Inc.
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import wiredtiger, wttest

# test_debug_info.py
#    Test WT_CONNECTION::debug_info undocumented feature
class test_debug_info(wttest.WiredTigerTestCase):
    conn_config = 'create,log=(enabled),statistics=(fast)'
    uri = 'file:test_conndump'
    def conn_cursors(self):

        self.session.create(self.uri, 'key_format=i,value_format=i')
        c = self.session.open_cursor(self.uri, None)
        keys = range(1, 101)
        for k in keys:
            c[k] = 1
        c.close()
        c = self.session.open_cursor(self.uri, None)
        val = c[50]
        self.conn.debug_info('cursors')
        c.close()

    def conn_cursors_special(self, special_uri):
        c = self.session.open_cursor(special_uri, None, None)
        self.conn.debug_info('cursors')
        c.close()

    def test_debug(self):
        with self.expectedStdoutPattern('Data handle dump'):
            self.conn.debug_info('handles')

        with self.expectedStdoutPattern('Active'):
            self.conn.debug_info('sessions')

        with self.expectedStdoutPattern('POSITIONED'):
            self.conn_cursors()

        special = ['backup:', 'log:', 'metadata:', 'statistics:']
        for s in special:
            pat = 'URI: ' + s
            with self.expectedStdoutPattern(pat):
                self.conn_cursors_special(s)

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