Files
mongo/jstests/sharding/count_config_servers.js

65 lines
1.5 KiB
JavaScript

/**
* Test count commands against the config servers, including when some of them are down.
* This test fails when run with authentication due to SERVER-6327
*/
(function() {
"use strict";
var st = new ShardingTest({name: 'sync_conn_cmd', shards: 0});
st.s.setSlaveOk(true);
var configDB = st.config;
var coll = configDB.test;
for( var x = 0; x < 10; x++ ){
assert.writeOK(coll.insert({ v: x }));
}
if (st.configRS) {
// Make sure the inserts are replicated to all config servers.
st.configRS.awaitReplication();
}
var testNormalCount = function(){
var cmdRes = configDB.runCommand({ count: coll.getName() });
assert( cmdRes.ok );
assert.eq( 10, cmdRes.n );
};
var testCountWithQuery = function(){
var cmdRes = configDB.runCommand({ count: coll.getName(), query: { v: { $gt: 6 }}});
assert( cmdRes.ok );
assert.eq( 3, cmdRes.n );
};
// Use invalid query operator to make the count return error
var testInvalidCount = function(){
var cmdRes = configDB.runCommand({ count: coll.getName(), query: { $c: { $abc: 3 }}});
assert( !cmdRes.ok );
assert( cmdRes.errmsg.length > 0 );
};
// Test with all config servers up
testNormalCount();
testCountWithQuery();
testInvalidCount();
// Test with the first config server down
MongoRunner.stopMongod(st.c0);
testNormalCount();
testCountWithQuery();
testInvalidCount();
// Test with the first and second config server down
MongoRunner.stopMongod(st.c1);
jsTest.log( 'Second server is down' );
testNormalCount();
testCountWithQuery();
testInvalidCount();
st.stop();
}());