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/**
* Tests that write operations executed through the mongo shell's CRUD API are assigned a
* transaction number so that they can be retried.
* @tags: [requires_replication]
*/
(function() {
"use strict";
load("jstests/libs/retryable_writes_util.js");
if (!RetryableWritesUtil.storageEngineSupportsRetryableWrites(jsTest.options().storageEngine)) {
jsTestLog("Retryable writes are not supported, skipping test");
return;
}
const rst = new ReplSetTest({nodes: 1});
rst.startSet();
rst.initiate();
const primary = rst.getPrimary();
const db = primary.startSession({retryWrites: true}).getDatabase("test");
const coll = db.shell_can_retry_writes;
function testCommandCanBeRetried(func, expected = true) {
const mongoRunCommandOriginal = Mongo.prototype.runCommand;
const sentinel = {};
let cmdObjSeen = sentinel;
Mongo.prototype.runCommand = function runCommandSpy(dbName, cmdObj, options) {
cmdObjSeen = cmdObj;
return mongoRunCommandOriginal.apply(this, arguments);
};
try {
assert.doesNotThrow(func);
} finally {
Mongo.prototype.runCommand = mongoRunCommandOriginal;
}
if (cmdObjSeen === sentinel) {
throw new Error("Mongo.prototype.runCommand() was never called: " + func.toString());
}
let cmdName = Object.keys(cmdObjSeen)[0];
// If the command is in a wrapped form, then we look for the actual command object inside
// the query/$query object.
if (cmdName === "query" || cmdName === "$query") {
cmdObjSeen = cmdObjSeen[cmdName];
cmdName = Object.keys(cmdObjSeen)[0];
}
assert(cmdObjSeen.hasOwnProperty("lsid"),
"Expected operation " + tojson(cmdObjSeen) +
" to have a logical session id: " + func.toString());
if (expected) {
assert(
cmdObjSeen.hasOwnProperty("txnNumber"),
"Expected operation " + tojson(cmdObjSeen) +
" to be assigned a transaction number since it can be retried: " + func.toString());
} else {
assert(!cmdObjSeen.hasOwnProperty("txnNumber"),
"Expected operation " + tojson(cmdObjSeen) +
" to not be assigned a transaction number since it cannot be retried: " +
func.toString());
}
}
testCommandCanBeRetried(function() {
coll.insertOne({_id: 0});
});
testCommandCanBeRetried(function() {
coll.updateOne({_id: 0}, {$set: {a: 1}});
});
testCommandCanBeRetried(function() {
coll.updateOne({_id: 1}, {$set: {a: 2}}, {upsert: true});
});
testCommandCanBeRetried(function() {
coll.deleteOne({_id: 1});
});
testCommandCanBeRetried(function() {
coll.insertMany([{_id: 2, b: 3}, {_id: 3, b: 4}], {ordered: true});
});
testCommandCanBeRetried(function() {
coll.insertMany([{_id: 4}, {_id: 5}], {ordered: false});
});
testCommandCanBeRetried(function() {
coll.updateMany({a: {$gt: 0}}, {$set: {c: 7}});
}, false);
testCommandCanBeRetried(function() {
coll.deleteMany({b: {$lt: 5}});
}, false);
//
// Tests for writeConcern.
//
testCommandCanBeRetried(function() {
coll.insertOne({_id: 1}, {w: 1});
});
testCommandCanBeRetried(function() {
coll.insertOne({_id: "majority"}, {w: "majority"});
});
//
// Tests for bulkWrite().
//
testCommandCanBeRetried(function() {
coll.bulkWrite([{insertOne: {document: {_id: 10}}}]);
});
testCommandCanBeRetried(function() {
coll.bulkWrite([{updateOne: {filter: {_id: 10}, update: {$set: {a: 1}}}}]);
});
testCommandCanBeRetried(function() {
coll.bulkWrite([{updateOne: {filter: {_id: 10}, update: {$set: {a: 2}}, upsert: true}}]);
});
testCommandCanBeRetried(function() {
coll.bulkWrite([{deleteOne: {filter: {_id: 10}}}]);
});
testCommandCanBeRetried(function() {
coll.bulkWrite(
[{insertOne: {document: {_id: 20, b: 3}}}, {insertOne: {document: {_id: 30, b: 4}}}],
{ordered: true});
});
testCommandCanBeRetried(function() {
coll.bulkWrite([{insertOne: {document: {_id: 40}}}, {insertOne: {document: {_id: 50}}}],
{ordered: false});
});
testCommandCanBeRetried(function() {
coll.bulkWrite([{updateMany: {filter: {a: {$gt: 0}}, update: {$set: {c: 7}}}}]);
}, false);
testCommandCanBeRetried(function() {
coll.bulkWrite([{deleteMany: {filter: {b: {$lt: 5}}}}]);
}, false);
//
// Tests for wrappers around "findAndModify" command.
//
testCommandCanBeRetried(function() {
coll.findOneAndUpdate({_id: 100}, {$set: {d: 9}}, {upsert: true});
});
testCommandCanBeRetried(function() {
coll.findOneAndReplace({_id: 100}, {e: 11});
});
testCommandCanBeRetried(function() {
coll.findOneAndDelete({e: {$exists: true}});
});
db.getSession().endSession();
rst.stopSet();
})();
|
