#!/usr/bin/env python
#
# Public Domain 2014-present MongoDB, Inc.
# Public Domain 2008-2014 WiredTiger, Inc.
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# test_empty_value.py
#       Smoke test empty row-store values.

from wiredtiger import stat
import wiredtiger, wttest, unittest

# Smoke test empty row-store values.
class test_row_store_empty_values(wttest.WiredTigerTestCase):
    conn_config = 'statistics=(all)'

    # Smoke test empty row-store values.
    @unittest.skip("Skipping, to be removed or updated in future ticket")
    def test_row_store_empty_values(self):
        nentries = 25000
        uri = 'file:test_empty_values'          # This is a btree layer test.

        # Create the object, open the cursor, insert some records with zero-length values.
        self.session.create(uri, 'key_format=S,value_format=u')
        cursor = self.session.open_cursor(uri, None)
        for i in range(1, nentries + 1):
            cursor[str(i)] = b''
        cursor.close()

        # Reopen to force the object to disk.
        self.reopen_conn()

        # Confirm the values weren't stored.
        cursor = self.session.open_cursor('statistics:' + uri, None, 'statistics=(tree_walk)')
        self.assertEqual(cursor[stat.dsrc.btree_row_empty_values][2], nentries)

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