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/**
* Tests "metrics.query.allowDiskUseFalse" counter.
*/
(function() {
"use strict";
const mongod = MongoRunner.runMongod();
const db = mongod.getDB(jsTest.name());
const kAllowDiskUseFalse = "allowDiskUseFalse";
function getQueryMetrics() {
return db.serverStatus().metrics.query;
}
function getAllowDiskUseFalseCounter() {
return getQueryMetrics()[kAllowDiskUseFalse];
}
function runTest(cmdObject) {
let allowDiskUseFalseValue = getAllowDiskUseFalseCounter();
// Make sure that allowDiskUseFalse counter increments by 1 if a command with
// {allowDiskUse:false} is called.
assert.commandWorked(db.runCommand(Object.assign(cmdObject, {allowDiskUse: false})));
allowDiskUseFalseValue += 1;
assert.eq(allowDiskUseFalseValue, getAllowDiskUseFalseCounter());
// Make sure that allowDiskUseFalse counter stays the same if a command with
// {allowDiskUse:true} is called.
assert.commandWorked(db.runCommand(Object.assign(cmdObject, {allowDiskUse: true})));
assert.eq(allowDiskUseFalseValue, getAllowDiskUseFalseCounter());
// Make sure that allowDiskUseFalse counter stays the same if a command without allowDiskUse
// parameter is called.
assert.commandWorked(db.runCommand(cmdObject));
assert.eq(allowDiskUseFalseValue, getAllowDiskUseFalseCounter());
// Make sure that allowDiskUseFalse counter increments by 1 if a command with
// {allowDiskUse:false} is called a second time.
assert.commandWorked(db.runCommand(Object.assign(cmdObject, {allowDiskUse: false})));
allowDiskUseFalseValue += 1;
assert.eq(allowDiskUseFalseValue, getAllowDiskUseFalseCounter());
}
// Check if the metrics.query.allowDiskUseFalse exists and by default equals to 0.
assert(getQueryMetrics().hasOwnProperty(kAllowDiskUseFalse));
assert.eq(0, getAllowDiskUseFalseCounter());
// Test on a collection.
const simpleCollName = "simple_coll";
const simpleColl = db[simpleCollName];
simpleColl.drop();
runTest({aggregate: simpleColl.getName(), pipeline: [], cursor: {}});
runTest({find: simpleColl.getName()});
// Test on a view.
const simpleViewName = "simple_view";
const simpleView = db[simpleViewName];
simpleView.drop();
assert.commandWorked(db.createView(simpleViewName, simpleCollName, [{$match: {a: 1}}]));
runTest({aggregate: simpleView.getName(), pipeline: [], cursor: {}});
runTest({find: simpleView.getName()});
MongoRunner.stopMongod(mongod);
})();
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