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/**
* Tests aggregate command against mongos with slaveOk. For more tests on read preference,
* please refer to jstests/sharding/read_pref_cmd.js.
* @tags: [requires_sharding, requires_replication]
*/
(function() {
load('jstests/replsets/rslib.js');
var NODES = 2;
var doTest = function(st, doSharded) {
var testDB = st.s.getDB('test');
if (doSharded) {
testDB.adminCommand({enableSharding: 'test'});
testDB.adminCommand({shardCollection: 'test.user', key: {x: 1}});
}
testDB.user.insert({x: 10}, {writeConcern: {w: NODES}});
testDB.setSlaveOk(true);
var secNode = st.rs0.getSecondary();
secNode.getDB('test').setProfilingLevel(2);
// wait for mongos to recognize that the slave is up
awaitRSClientHosts(st.s, secNode, {ok: true});
var res =
testDB.runCommand({aggregate: 'user', pipeline: [{$project: {x: 1}}], cursor: {}});
assert(res.ok, 'aggregate command failed: ' + tojson(res));
var profileQuery = {op: 'command', ns: 'test.user', 'command.aggregate': 'user'};
var profileDoc = secNode.getDB('test').system.profile.findOne(profileQuery);
assert(profileDoc != null);
testDB.dropDatabase();
};
var st = new ShardingTest({shards: {rs0: {oplogSize: 10, nodes: NODES}}});
doTest(st, false);
doTest(st, true);
st.stop();
})();
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