jstests/sharding/read_does_not_create_namespaces.js


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// This test ensures that just attempting to read from a non-existent database or collection won't
// cause entries to be created in the catalog.
(function() {

var shardingTest = new ShardingTest({name: 'read_does_not_create_namespaces', shards: 1});
var db = shardingTest.getDB('NonExistentDB');

assert.isnull(db.nonExistentColl.findOne({}));

// Neither the database nor the collection should have been created
assert.isnull(shardingTest.getDB('config').databases.findOne({_id: 'NonExistentDB'}));
assert.eq(-1, shardingTest.shard0.getDBNames().indexOf('NonExistentDB'));

shardingTest.stop();
})();