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/**
* Tests the operationTime API for the following topologies:
* - mongos talking to a sharded replica set (sharded and unsharded collections)
* - mongod from a sharded replica set
* - mongod from a non-sharded replica set
* - standalone mongod
*/
(function() {
"use strict";
function responseContainsTimestampOperationTime(res) {
return res.operationTime !== undefined && isTimestamp(res.operationTime);
}
function isTimestamp(val) {
return Object.prototype.toString.call(val) === "[object Timestamp]";
}
// A mongos that talks to a non-sharded collection on a sharded replica set returns an
// operationTime that is a Timestamp.
var st = new ShardingTest({name: "operation_time_api", shards: {rs0: {nodes: 1}}});
var testDB = st.s.getDB("test");
var res = assert.commandWorked(testDB.runCommand({insert: "foo", documents: [{x: 1}]}));
assert(responseContainsTimestampOperationTime(res),
"Expected response from a mongos talking to a non-sharded collection on a sharded " +
"replica set to contain an operationTime, received: " + tojson(res));
// A mongos that talks to a sharded collection on a sharded replica set returns an operationTime
// that is a Timestamp.
assert.commandWorked(st.s.adminCommand({enableSharding: "test"}));
assert.commandWorked(st.s.adminCommand({shardCollection: "test.bar", key: {x: 1}}));
res = assert.commandWorked(testDB.runCommand({insert: "bar", documents: [{x: 2}]}));
assert(responseContainsTimestampOperationTime(res),
"Expected response from a mongos inserting to a sharded collection on a sharded " +
"replica set to contain an operationTime, received: " + tojson(res));
// A mongod in a sharded replica set returns an operationTime that is a Timestamp.
testDB = st.rs0.getPrimary().getDB("test");
res = assert.commandWorked(testDB.runCommand({insert: "foo", documents: [{x: 3}]}));
assert(responseContainsTimestampOperationTime(res),
"Expected response from a mongod in a sharded replica set to contain an " +
"operationTime, received: " + tojson(res));
st.stop();
// A mongod from a non-sharded replica set returns an operationTime that is a Timestamp.
var replTest = new ReplSetTest({name: "operation_time_api_non_sharded_replset", nodes: 1});
replTest.startSet();
replTest.initiate();
testDB = replTest.getPrimary().getDB("test");
res = assert.commandWorked(testDB.runCommand({insert: "foo", documents: [{x: 4}]}));
assert(responseContainsTimestampOperationTime(res),
"Expected response from a non-sharded replica set to contain an operationTime, " +
"received: " + tojson(res));
replTest.stopSet();
// A standalone mongod does not return an operationTime.
var standalone = MongoRunner.runMongod();
testDB = standalone.getDB("test");
res = assert.commandWorked(testDB.runCommand({insert: "foo", documents: [{x: 5}]}));
assert(!responseContainsTimestampOperationTime(res),
"Expected response from a standalone mongod to not contain an operationTime, " +
"received: " + tojson(res));
MongoRunner.stopMongod(standalone);
})();
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