/**
 * Test that transactions are not allowed on shard servers that have
 * writeConcernMajorityJournalDefault = false.
 *
 * @tags: [uses_transactions]
 */

(function() {
"use strict";

// A testing exemption was made to allow transactions on shard server even if
// writeConcernMajorityJournalDefault = false. So we need to disable the exemption in this test
// in order to test the behavior.
TestData.testingDiagnosticsEnabled = false;
TestData.enableTestCommands = false;

// The following two options by default do not support enableTestCommands=false, change them
// accordingly so this test can run.
TestData.roleGraphInvalidationIsFatal = false;
TestData.authenticationDatabase = "local";

// Start the replica set with --shardsvr.
const replSet = new ReplSetTest({nodes: 1, nodeOptions: {shardsvr: ""}});
replSet.startSet();
let conf = replSet.getReplSetConfig();
conf.writeConcernMajorityJournalDefault = false;
replSet.initiate(conf);

const primary = replSet.getPrimary();
const session = primary.startSession();
const sessionDb = session.getDatabase("test");
const sessionColl = sessionDb.getCollection("foo");

jsTestLog("Test that non-transactional operations are allowed.");
assert.commandWorked(sessionColl.insert({_id: 1}));

jsTestLog("Test that transactions are not allowed.");
session.startTransaction();
assert.commandFailedWithCode(sessionColl.insert({_id: 2}),
                             ErrorCodes.OperationNotSupportedInTransaction);
// All commands are not allowed including abortTransaction.
assert.commandFailedWithCode(session.abortTransaction_forTesting(),
                             ErrorCodes.OperationNotSupportedInTransaction);

jsTestLog("Test that retryable writes are allowed.");
assert.commandWorked(
    sessionDb.runCommand({insert: "foo", documents: [{_id: 3}], txnNumber: NumberLong(1)}));

// Assert documents inserted.
assert.docEq([{_id: 1}, {_id: 3}], sessionColl.find().sort({_id: 1}).toArray());

replSet.stopSet();
}());