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/**
* Tests maximum number of measurements held in each bucket in a time-series buckets collection.
* @tags: [
* requires_fcv_49,
* requires_find_command,
* requires_getmore,
* ]
*/
(function() {
"use strict";
load("jstests/core/time_series/libs/time_series.js");
if (!TimeseriesTest.timeseriesCollectionsEnabled(db.getMongo())) {
jsTestLog("Skipping test because the time-series collection feature flag is disabled");
return;
}
const testDB = db.getSiblingDB(jsTestName());
assert.commandWorked(testDB.dropDatabase());
// Assumes each bucket has a limit of 1000 measurements.
const bucketMaxCount = 1000;
const numDocs = bucketMaxCount + 100;
const timeFieldName = 'time';
const runTest = function(numDocsPerInsert) {
const coll = testDB.getCollection('t_' + numDocsPerInsert);
const bucketsColl = testDB.getCollection('system.buckets.' + coll.getName());
coll.drop();
assert.commandWorked(
testDB.createCollection(coll.getName(), {timeseries: {timeField: timeFieldName}}));
assert.contains(bucketsColl.getName(), testDB.getCollectionNames());
let docs = [];
for (let i = 0; i < numDocs; i++) {
docs.push({_id: i, [timeFieldName]: ISODate(), x: i});
if ((i + 1) % numDocsPerInsert === 0) {
assert.commandWorked(coll.insert(docs), 'failed to insert docs: ' + tojson(docs));
docs = [];
}
}
// Check view.
const viewDocs = coll.find({}, {x: 1}).sort({_id: 1}).toArray();
assert.eq(numDocs, viewDocs.length, viewDocs);
for (let i = 0; i < numDocs; i++) {
const viewDoc = viewDocs[i];
assert.eq(i, viewDoc._id, 'unexpected _id in doc: ' + i + ': ' + tojson(viewDoc));
assert.eq(i, viewDoc.x, 'unexpected field x in doc: ' + i + ': ' + tojson(viewDoc));
}
// Check bucket collection.
const bucketDocs = bucketsColl.find().sort({_id: 1}).toArray();
assert.eq(2, bucketDocs.length, bucketDocs);
// Check both buckets.
// First bucket should be full with 'bucketMaxCount' documents.
assert.eq(0,
bucketDocs[0].control.min._id,
'invalid control.min for _id in first bucket: ' + tojson(bucketDocs[0].control));
assert.eq(0,
bucketDocs[0].control.min.x,
'invalid control.min for x in first bucket: ' + tojson(bucketDocs[0].control));
assert.eq(bucketMaxCount - 1,
bucketDocs[0].control.max._id,
'invalid control.max for _id in first bucket: ' + tojson(bucketDocs[0].control));
assert.eq(bucketMaxCount - 1,
bucketDocs[0].control.max.x,
'invalid control.max for x in first bucket: ' + tojson(bucketDocs[0].control));
// Second bucket should contain the remaining documents.
assert.eq(bucketMaxCount,
bucketDocs[1].control.min._id,
'invalid control.min for _id in second bucket: ' + tojson(bucketDocs[1].control));
assert.eq(bucketMaxCount,
bucketDocs[1].control.min.x,
'invalid control.min for x in second bucket: ' + tojson(bucketDocs[1].control));
assert.eq(numDocs - 1,
bucketDocs[1].control.max._id,
'invalid control.max for _id in second bucket: ' + tojson(bucketDocs[1].control));
assert.eq(numDocs - 1,
bucketDocs[1].control.max.x,
'invalid control.max for x in second bucket: ' + tojson(bucketDocs[1].control));
};
runTest(1);
runTest(numDocs / 2);
runTest(numDocs);
})();
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