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/**
* Test that write errors in a transaction due to SnapshotUnavailable are labelled
* TransientTransactionError and the error is reported at the top level, not in a writeErrors array.
*
* Other transient transaction errors are tested elsewhere: WriteConflict is tested in
* transactions_write_conflicts.js, NotMaster is tested in transient_txn_error_labels.js, and
* NoSuchTransaction is tested in transient_txn_error_labels_with_write_concern.js.
*
* @tags: [uses_transactions]
*/
(function() {
"use strict";
const name = "transaction_write_with_snapshot_unavailable";
const replTest = new ReplSetTest({name: name, nodes: 1});
replTest.startSet();
replTest.initiate();
const dbName = name;
const dbNameB = dbName + "B";
const collName = "collection";
const collNameB = collName + "B";
const primary = replTest.getPrimary();
const primaryDB = primary.getDB(dbName);
assert.commandWorked(primaryDB[collName].insertOne({}, {writeConcern: {w: "majority"}}));
function testOp(cmd) {
let op = Object.getOwnPropertyNames(cmd)[0];
let session = primary.startSession();
let sessionDB = session.getDatabase(name);
jsTestLog(
`Testing that SnapshotUnavailable during ${op} is labelled TransientTransactionError`);
session.startTransaction({readConcern: {level: "snapshot"}});
assert.commandWorked(sessionDB.runCommand({insert: collName, documents: [{}]}));
// Create collection outside transaction, cannot write to it in the transaction
assert.commandWorked(primaryDB.getSiblingDB(dbNameB).runCommand({create: collNameB}));
let res;
try {
res = sessionDB.getSiblingDB(dbNameB).runCommand(cmd);
assert.commandFailedWithCode(res, ErrorCodes.SnapshotUnavailable);
assert.eq(res.ok, 0);
assert(!res.hasOwnProperty("writeErrors"));
assert.eq(res.errorLabels, ["TransientTransactionError"]);
} catch (ex) {
printjson(cmd);
printjson(res);
throw ex;
}
assert.commandFailedWithCode(session.abortTransaction_forTesting(),
ErrorCodes.NoSuchTransaction);
assert.commandWorked(primaryDB.getSiblingDB(dbNameB).runCommand(
{dropDatabase: 1, writeConcern: {w: "majority"}}));
}
testOp({insert: collNameB, documents: [{_id: 0}]});
testOp({update: collNameB, updates: [{q: {}, u: {$set: {x: 1}}}]});
testOp({delete: collNameB, deletes: [{q: {_id: 0}, limit: 1}]});
replTest.stopSet();
})();
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