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/**
* Test that a special {op: 'n'} oplog event is created during refineCollectionShardKey command.
*
* @tags: [requires_fcv_61]
*/
// Cannot run the filtering metadata check on tests that run refineCollectionShardKey.
TestData.skipCheckShardFilteringMetadata = true;
(function() {
"use strict";
const st = new ShardingTest({mongos: 1, shards: 2, rs: {nodes: 2}});
const mongos = st.s0;
const primaryShard = st.shard0.shardName;
const kDbName = 'refineShardKey';
const kCollName = 'coll';
const kNsName = kDbName + '.' + kCollName;
assert.commandWorked(mongos.adminCommand({enableSharding: kDbName}));
st.ensurePrimaryShard(kDbName, primaryShard);
assert.commandWorked(mongos.adminCommand({shardCollection: kNsName, key: {_id: 1}}));
assert.commandWorked(mongos.getCollection(kNsName).createIndex({_id: 1, akey: 1}));
assert.commandWorked(
mongos.adminCommand({refineCollectionShardKey: kNsName, key: {_id: 1, akey: 1}}));
const o2expected = {
refineCollectionShardKey: "refineShardKey.coll",
shardKey: {_id: 1, akey: 1},
oldShardKey: {_id: 1}
};
const oplog = st.rs0.getPrimary().getCollection("local.oplog.rs");
const logEntry = oplog.findOne({ns: kNsName, op: 'n', "o2.refineCollectionShardKey": kNsName});
assert(logEntry != null);
assert.eq(bsonWoCompare(logEntry.o2, o2expected), 0, logEntry);
st.stop();
})();
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