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/**
* 1. check top numbers are correct
*
* This test attempts to perform read operations and get statistics using the top command. The
* former operation may be routed to a secondary in the replica set, whereas the latter must be
* routed to the primary.
*
* @tags: [
* assumes_read_preference_unchanged,
* requires_fastcount,
*
* # top command is not available on embedded
* incompatible_with_embedded]
*/
(function() {
load("jstests/libs/stats.js");
var name = "toptest";
var testDB = db.getSiblingDB(name);
var testColl = testDB[name + "coll"];
testColl.drop();
// Perform an operation on the collection so that it is present in the "top" command's output.
assert.eq(testColl.find({}).itcount(), 0);
// This variable is used to get differential output
var lastTop = getTop(testColl);
if (lastTop === undefined) {
return;
}
var numRecords = 100;
// Insert
for (var i = 0; i < numRecords; i++) {
assert.commandWorked(testColl.insert({_id: i}));
}
assertTopDiffEq(testColl, lastTop, "insert", numRecords);
lastTop = assertTopDiffEq(testColl, lastTop, "writeLock", numRecords);
// Update
for (i = 0; i < numRecords; i++) {
assert.commandWorked(testColl.update({_id: i}, {x: i}));
}
lastTop = assertTopDiffEq(testColl, lastTop, "update", numRecords);
// Queries
var query = {};
for (i = 0; i < numRecords; i++) {
query[i] = testColl.find({x: {$gte: i}}).batchSize(2);
assert.eq(query[i].next()._id, i);
}
lastTop = assertTopDiffEq(testColl, lastTop, "queries", numRecords);
// Getmore
for (i = 0; i < numRecords / 2; i++) {
assert.eq(query[i].next()._id, i + 1);
assert.eq(query[i].next()._id, i + 2);
assert.eq(query[i].next()._id, i + 3);
assert.eq(query[i].next()._id, i + 4);
}
lastTop = assertTopDiffEq(testColl, lastTop, "getmore", numRecords);
// Remove
for (i = 0; i < numRecords; i++) {
assert.commandWorked(testColl.remove({_id: 1}));
}
lastTop = assertTopDiffEq(testColl, lastTop, "remove", numRecords);
// Upsert, note that these are counted as updates, not inserts
for (i = 0; i < numRecords; i++) {
assert.commandWorked(testColl.update({_id: i}, {x: i}, {upsert: 1}));
}
lastTop = assertTopDiffEq(testColl, lastTop, "update", numRecords);
// Commands
var res;
// "count" command
lastTop = getTop(testColl); // ignore any commands before this
if (lastTop === undefined) {
return;
}
for (i = 0; i < numRecords; i++) {
res = assert.commandWorked(testDB.runCommand({count: testColl.getName()}));
assert.eq(res.n, numRecords, tojson(res));
}
lastTop = assertTopDiffEq(testColl, lastTop, "commands", numRecords);
// "findAndModify" command
lastTop = getTop(testColl);
if (lastTop === undefined) {
return;
}
for (i = 0; i < numRecords; i++) {
res = assert.commandWorked(testDB.runCommand({
findAndModify: testColl.getName(),
query: {_id: i},
update: {$inc: {x: 1}},
}));
assert.eq(res.value.x, i, tojson(res));
}
lastTop = assertTopDiffEq(testColl, lastTop, "commands", numRecords);
lastTop = getTop(testColl);
if (lastTop === undefined) {
return;
}
for (i = 0; i < numRecords; i++) {
res = assert.commandWorked(testDB.runCommand({
findAndModify: testColl.getName(),
query: {_id: i},
remove: true,
}));
assert.eq(res.value.x, i + 1, tojson(res));
}
lastTop = assertTopDiffEq(testColl, lastTop, "commands", numRecords);
// getIndexes
assert.eq(1, testColl.getIndexes().length);
assertTopDiffEq(testColl, lastTop, "commands", 1);
lastTop = assertTopDiffEq(testColl, lastTop, "readLock", 1);
// createIndex
res = assert.commandWorked(testColl.createIndex({x: 1}));
assertTopDiffEq(testColl, lastTop, "writeLock", 1);
lastTop = assertTopDiffEq(testColl, lastTop, "commands", 1);
// dropIndex
res = assert.commandWorked(testColl.dropIndex({x: 1}));
assertTopDiffEq(testColl, lastTop, "commands", 1);
lastTop = assertTopDiffEq(testColl, lastTop, "writeLock", 1);
}());
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