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//
// Basic tests for enableSharding command.
//
(function() {
'use strict';
var st = new ShardingTest({mongos: 2, shards: 2});
// enableSharding can run only on mongos.
assert.commandFailedWithCode(st.d0.getDB('admin').runCommand({enableSharding: 'db'}),
ErrorCodes.CommandNotFound);
// enableSharding can run only against the admin database.
assert.commandFailedWithCode(st.s0.getDB('test').runCommand({enableSharding: 'db'}),
ErrorCodes.Unauthorized);
// Can't shard 'local' database.
assert.commandFailed(st.s0.adminCommand({enableSharding: 'local'}));
// Can't shard 'admin' database.
assert.commandFailed(st.s0.adminCommand({enableSharding: 'admin'}));
// Can't shard db with the name that just differ on case.
assert.commandWorked(st.s0.adminCommand({enableSharding: 'db'}));
assert.eq(st.s0.getDB('config').databases.findOne({_id: 'db'}).partitioned, true);
assert.commandFailedWithCode(st.s0.adminCommand({enableSharding: 'DB'}),
ErrorCodes.DatabaseDifferCase);
// Can't shard invalid db name.
assert.commandFailed(st.s0.adminCommand({enableSharding: 'a.b'}));
assert.commandFailed(st.s0.adminCommand({enableSharding: ''}));
// Attempting to shard already sharded database returns success.
assert.commandWorked(st.s0.adminCommand({enableSharding: 'db'}));
assert.eq(st.s0.getDB('config').databases.findOne({_id: 'db'}).partitioned, true);
// Verify config.databases metadata.
assert.writeOK(st.s0.getDB('unsharded').foo.insert({aKey: "aValue"}));
assert.eq(st.s0.getDB('config').databases.findOne({_id: 'unsharded'}).partitioned, false);
assert.commandWorked(st.s0.adminCommand({enableSharding: 'unsharded'}));
assert.eq(st.s0.getDB('config').databases.findOne({_id: 'unsharded'}).partitioned, true);
// Sharding a collection before 'enableSharding' is called fails
assert.commandFailed(st.s0.adminCommand({shardCollection: 'TestDB.TestColl', key: {_id: 1}}));
assert.commandFailed(st.s1.adminCommand({shardCollection: 'TestDB.TestColl', key: {_id: 1}}));
assert.writeOK(st.s0.getDB('TestDB').TestColl.insert({_id: 0}));
assert.writeOK(st.s1.getDB('TestDB').TestColl.insert({_id: 1}));
// Calling 'enableSharding' on one mongos and 'shardCollection' through another must work
assert.commandWorked(st.s0.adminCommand({enableSharding: 'TestDB'}));
assert.commandWorked(st.s1.adminCommand({shardCollection: 'TestDB.TestColl', key: {_id: 1}}));
assert.commandWorked(st.s0.adminCommand({shardCollection: 'TestDB.TestColl', key: {_id: 1}}));
st.stop();
})();
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