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/**
* Tests "metrics.commands.findAndModify.pipeline" and "metrics.commands.findAndModify.arrayFilters"
* counters of the findAndModify command.
*
* @tags: [
* requires_fcv_42,
* # The test relies on the precise number of executions of commands.
* requires_non_retryable_writes,
* # The test is designed to work with an unsharded collection.
* assumes_unsharded_collection,
* ]
*/
(function() {
"use strict";
const testDB = db.getSiblingDB(jsTestName());
assert.commandWorked(testDB.dropDatabase());
const coll = testDB.findAndModify_metrics;
assert.commandWorked(testDB.createCollection(coll.getName()));
assert.commandWorked(coll.insert([{key: 1, value: 1, array: [5, 10]}]));
// "Initialize" the counters for the findAndModify command.
let result = coll.findAndModify({query: {key: 1}, update: {$set: {value: 0}}});
assert.eq(1, result.key);
let serverStatusBeforeTest = testDB.serverStatus();
// Verify that the metrics.commands.findAndModify.pipeline counter is present.
assert.gte(serverStatusBeforeTest.metrics.commands.findAndModify.pipeline,
0,
tojson(serverStatusBeforeTest));
// Verify that that findAndModify command without aggregation pipeline-style update does not
// increment the counter.
result = coll.findAndModify({query: {key: 1}, update: {$set: {value: 5}}});
assert.eq(1, result.key);
let serverStatusAfterTest = testDB.serverStatus();
assert.eq(serverStatusBeforeTest.metrics.commands.findAndModify.pipeline,
serverStatusAfterTest.metrics.commands.findAndModify.pipeline,
`Before: ${tojson(serverStatusBeforeTest)}, after: ${tojson(serverStatusAfterTest)}`);
// Verify that that findAndModify command with aggregation pipeline-style update increments the
// counter.
result = coll.findAndModify({query: {key: 1}, update: [{$set: {value: 10}}]});
assert.eq(1, result.key);
serverStatusAfterTest = testDB.serverStatus();
assert.eq(serverStatusBeforeTest.metrics.commands.findAndModify.pipeline + 1,
serverStatusAfterTest.metrics.commands.findAndModify.pipeline,
`Before: ${tojson(serverStatusBeforeTest)}, after: ${tojson(serverStatusAfterTest)}`);
serverStatusBeforeTest = testDB.serverStatus();
// Verify that the metrics.commands.findAndModify.arrayFilters counter is present.
assert.gte(serverStatusBeforeTest.metrics.commands.findAndModify.arrayFilters,
0,
tojson(serverStatusBeforeTest));
// Verify that that findAndModify command without arrayFilters does not increment the counter.
result = coll.findAndModify({query: {key: 1}, update: {$set: {value: 5}}});
assert.eq(1, result.key);
serverStatusAfterTest = testDB.serverStatus();
assert.eq(serverStatusBeforeTest.metrics.commands.findAndModify.arrayFilters,
serverStatusAfterTest.metrics.commands.findAndModify.arrayFilters,
`Before: ${tojson(serverStatusBeforeTest)}, after: ${tojson(serverStatusAfterTest)}`);
// Verify that that findAndModify command with arrayFilters increments the counter.
result = coll.findAndModify({
query: {key: 1},
update: {$set: {"array.$[element]": 20}},
arrayFilters: [{"element": {$gt: 6}}]
});
assert.eq(1, result.key);
serverStatusAfterTest = testDB.serverStatus();
assert.eq(serverStatusBeforeTest.metrics.commands.findAndModify.arrayFilters + 1,
serverStatusAfterTest.metrics.commands.findAndModify.arrayFilters,
`Before: ${tojson(serverStatusBeforeTest)}, after: ${tojson(serverStatusAfterTest)}`);
})();
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