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// Tests group using slaveOk
(function() {
'use strict';
var st = new ShardingTest({ name: "groupSlaveOk",
shards: 1,
mongos: 1,
other: { rs: true,
rs0: { nodes: 2 } } });
var rst = st._rs[0].test;
// Insert data into replica set
var conn = new Mongo(st.s.host);
conn.setLogLevel(3);
var coll = conn.getCollection("test.groupSlaveOk");
coll.drop();
var bulk = coll.initializeUnorderedBulkOp();
for(var i = 0; i < 300; i++) {
bulk.insert({ i: i % 10 });
}
assert.writeOK(bulk.execute());
// Wait for client to update itself and replication to finish
rst.awaitReplication();
var primary = rst.getPrimary();
var sec = rst.getSecondary();
// Data now inserted... stop the master, since only two in set, other will still be secondary
rst.stop(rst.getPrimary());
printjson(rst.status());
// Wait for the mongos to recognize the slave
ReplSetTest.awaitRSClientHosts(conn, sec, { ok: true, secondary: true });
// Need to check slaveOk=true first, since slaveOk=false will destroy conn in pool when
// master is down
conn.setSlaveOk();
// Should not throw exception, since slaveOk'd
assert.eq(10, coll.group({ key: { i: true } ,
reduce: function(obj, ctx) { ctx.count += 1; },
initial: { count: 0 } }).length);
try {
conn.setSlaveOk(false);
var res = coll.group({ key: { i: true },
reduce: function(obj, ctx) { ctx.count += 1; },
initial: { count: 0 } });
print("Should not reach here! Group result: " + tojson(res));
assert(false);
}
catch(e){
print("Non-slaveOk'd connection failed." + tojson(e));
}
st.stop();
})();
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