Files
mongo/jstests/concurrency/fsm_workloads/update_multifield.js

116 lines
3.8 KiB
JavaScript

'use strict';
/**
* update_multifield.js
*
* Does updates that affect multiple fields on a single document.
* The collection has an index for each field, and a compound index for all fields.
*/
load('jstests/concurrency/fsm_workload_helpers/server_types.js'); // for isMongod and isMMAPv1
var $config = (function() {
function makeQuery(options) {
var query = {};
if (!options.multi) {
query._id = Random.randInt(options.numDocs);
}
if (options.isolated) {
query.$isolated = 1;
}
return query;
}
// returns an update doc
function makeRandomUpdateDoc() {
var x = Random.randInt(5);
var y = Random.randInt(5);
// ensure z is never 0, so the $inc is never 0, so we can assert nModified === nMatched
var z = Random.randInt(5) + 1;
var set = Random.rand() > 0.5;
var push = Random.rand() > 0.2;
var updateDoc = {};
updateDoc[set ? '$set' : '$unset'] = { x: x };
updateDoc[push ? '$push' : '$pull'] = { y: y };
updateDoc.$inc = { z: z };
return updateDoc;
}
var states = {
update: function update(db, collName) {
// choose an update to apply
var updateDoc = makeRandomUpdateDoc();
// apply this update
var query = makeQuery({
multi: this.multi,
isolated: this.isolated,
numDocs: this.numDocs
});
var res = db[collName].update(query, updateDoc, { multi: this.multi });
this.assertResult(res, db, collName, query);
}
};
var transitions = {
update: { update: 1 }
};
function setup(db, collName, cluster) {
assertAlways.commandWorked(db[collName].ensureIndex({ x: 1 }));
assertAlways.commandWorked(db[collName].ensureIndex({ y: 1 }));
assertAlways.commandWorked(db[collName].ensureIndex({ z: 1 }));
assertAlways.commandWorked(db[collName].ensureIndex({ x: 1, y: 1, z: 1 }));
// numDocs should be much less than threadCount, to make more threads use the same docs.
this.numDocs = Math.floor(this.threadCount / 3);
assertAlways.gt(this.numDocs, 0, 'numDocs should be a positive number');
for (var i = 0; i < this.numDocs; ++i) {
var res = db[collName].insert({ _id: i });
assertWhenOwnColl.writeOK(res);
assertWhenOwnColl.eq(1, res.nInserted);
}
}
return {
threadCount: 10,
iterations: 10,
startState: 'update',
states: states,
transitions: transitions,
data: {
assertResult: function(res, db, collName, query) {
assertAlways.eq(0, res.nUpserted, tojson(res));
if (isMongod(db) && !isMMAPv1(db)) {
// For non-mmap storage engines we can have a strong assertion that exactly one
// doc will be modified.
assertWhenOwnColl.eq(res.nMatched, 1, tojson(res));
if (db.getMongo().writeMode() === 'commands') {
assertWhenOwnColl.eq(res.nModified, 1, tojson(res));
}
}
else {
// Zero matches are possible for MMAP v1 because the update will skip a document
// that was invalidated during a yield.
assertWhenOwnColl.contains(res.nMatched, [0, 1], tojson(res));
if (db.getMongo().writeMode() === 'commands') {
assertWhenOwnColl.contains(res.nModified, [0, 1], tojson(res));
assertAlways.eq(res.nModified, res.nMatched, tojson(res));
}
}
},
multi: false,
isolated: false,
},
setup: setup
};
})();