Files
mongo/jstests/sharding/implicit_db_creation.js
2015-12-09 11:56:09 -05:00

47 lines
1.3 KiB
JavaScript

/**
* This tests the basic cases for implicit database creation in a sharded cluster.
*/
(function() {
"use strict";
var st = new ShardingTest({ shards: 2 });
var configDB = st.s.getDB('config');
assert.eq(null, configDB.databases.findOne());
var testDB = st.s.getDB('test');
// Test that reads will not result into a new config.databases entry.
assert.eq(null, testDB.user.findOne());
assert.eq(null, configDB.databases.findOne({ _id: 'test' }));
assert.writeOK(testDB.user.insert({ x: 1 }));
var testDBDoc = configDB.databases.findOne();
assert.eq('test', testDBDoc._id, tojson(testDBDoc));
// Test that inserting to another collection in the same database will not modify the existing
// config.databases entry.
assert.writeOK(testDB.bar.insert({ y: 1 }));
assert.eq(testDBDoc, configDB.databases.findOne());
st.s.adminCommand({ enableSharding: 'foo' });
var fooDBDoc = configDB.databases.findOne({ _id: 'foo' });
assert.neq(null, fooDBDoc);
assert(fooDBDoc.partitioned);
var newShardConn = MongoRunner.runMongod({});
var unshardedDB = newShardConn.getDB('unshardedDB');
unshardedDB.user.insert({ z: 1 });
assert.commandWorked(st.s.adminCommand({ addShard: newShardConn.name }));
assert.neq(null, configDB.databases.findOne({ _id: 'unshardedDB' }));
MongoRunner.stopMongod(newShardConn.port);
st.stop();
})();