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

# test_inmem02.py
#    Test in-memory with ignore-cache-size setting.
class test_inmem02(wttest.WiredTigerTestCase):
    uri = 'table:inmem02'
    conn_config = \
        'cache_size=3MB,file_manager=(close_idle_time=0),in_memory=true'
    table_config = 'memory_page_max=32k,leaf_page_max=4k'

    # Add more data than fits into the configured cache and verify it fails.
    def test_insert_over_allowed(self):

        # Create a new table that is allowed to exceed the cache size, do this
        # before filling the cache so that the create succeeds
        self.session.create(
            self.uri + '_over', 'ignore_in_memory_cache_size=true')

        # Populate a table with enough data to fill the cache.
        msg = '/WT_CACHE_FULL.*/'
        ds = SimpleDataSet(self, self.uri, 10000000, config=self.table_config)
        self.assertRaisesHavingMessage(wiredtiger.WiredTigerError,
            lambda:ds.populate(), msg)

        # Add some content to the new table
        cursor = self.session.open_cursor(self.uri + '_over', None)
        for i in range(1, 1000):
            cursor[str('%015d' % i)] = str(i) + ': abcdefghijklmnopqrstuvwxyz'
        cursor.close()

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