//
// Basic tests for enableSharding command.
//

(function() {
'use strict';

var st = new ShardingTest({mongos:1, shards:2});

var mongos = st.s0;

// enableSharing can run only on mongos.
assert.commandFailedWithCode(st.d0.getDB('admin').runCommand({enableSharding : 'db'}),
                             ErrorCodes.CommandNotFound);

// enableSharing can run only against the admin database. 
assert.commandFailedWithCode(mongos.getDB('test').runCommand({enableSharding : 'db'}),
                             ErrorCodes.Unauthorized);

// Can't shard 'config' database.
assert.commandFailed(mongos.adminCommand({enableSharding : 'config'}));

// Can't shard 'local' database.
assert.commandFailed(mongos.adminCommand({enableSharding : 'local'}));

// Can't shard 'admin' database.
assert.commandFailed(mongos.adminCommand({enableSharding : 'admin'}));

// Can't shard db with the name that just differ on case. 
assert.commandWorked(mongos.adminCommand({enableSharding : 'db'}));
assert.eq(mongos.getDB('config').databases.findOne({_id: 'db'}).partitioned, true);

assert.commandFailedWithCode(mongos.adminCommand({enableSharding : 'DB'}),
                             ErrorCodes.DatabaseDifferCase);

// Can't shard invalid db name.
assert.commandFailed(mongos.adminCommand({enableSharding : 'a.b'}));
assert.commandFailed(mongos.adminCommand({enableSharding : ''}));

// Can't shard already sharded database. 
assert.commandFailedWithCode(mongos.adminCommand({enableSharding : 'db'}), 
                             ErrorCodes.AlreadyInitialized);
assert.eq(mongos.getDB('config').databases.findOne({_id: 'db'}).partitioned, true);

// Verify config.databases metadata.
assert.writeOK(mongos.getDB('unsharded').foo.insert({aKey: "aValue"}));
assert.eq(mongos.getDB('config').databases.findOne({_id: 'unsharded'}).partitioned, false);
assert.commandWorked(mongos.adminCommand({enableSharding : 'unsharded'}));
assert.eq(mongos.getDB('config').databases.findOne({_id: 'unsharded'}).partitioned, true);

st.stop();

})();