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/**
* Tests inserting sample data into the time-series buckets collection.
* This test is for the simple case of only one measurement per bucket.
* @tags: [
* assumes_no_implicit_collection_creation_after_drop,
* does_not_support_stepdowns,
* requires_getmore,
* ]
*/
(function() {
"use strict";
const conn = MongoRunner.runMongod();
const testDB = conn.getDB('test');
const coll = testDB.timeseries_latency_stats;
const bucketsColl = testDB.getCollection('system.buckets.' + coll.getName());
coll.drop();
const timeFieldName = 'time';
assert.commandWorked(
testDB.createCollection(coll.getName(), {timeseries: {timeField: timeFieldName}}));
assert.contains(bucketsColl.getName(), testDB.getCollectionNames());
const getLatencyStats = () => {
const stats = coll.aggregate([{$collStats: {latencyStats: {}}}]).next();
assert(stats.hasOwnProperty("latencyStats"), tojson(stats));
assert(stats.latencyStats.hasOwnProperty("writes"), tojson(stats));
return stats.latencyStats.writes;
};
const stats1 = getLatencyStats();
assert.eq(stats1.ops, 0, tojson(stats1));
assert.eq(stats1.latency, 0, tojson(stats1));
assert.commandWorked(coll.insert({[timeFieldName]: new Date(), x: 1}));
const stats2 = getLatencyStats();
assert.eq(stats2.ops, 1, tojson(stats2));
assert.gt(stats2.latency, stats1.latency, tojson(stats2));
const reps = 10;
for (let i = 0; i < reps; ++i) {
assert.commandWorked(coll.insert({[timeFieldName]: new Date(), x: 1}));
}
const stats3 = getLatencyStats();
assert.eq(stats3.ops, 1 + reps, tojson(stats3));
assert.gt(stats3.latency, stats2.latency, tojson(stats3));
MongoRunner.stopMongod(conn);
})();
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