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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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