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/**
* Tests valid and invalid writeConcern settings, and that both setDefaultRWConcern and inserting
* with a writeConcern set will succeed and fail on the same values of writeConcern.
*/
(function() {
"use strict";
// Define repl set with custom write concern multiRegion which assures that writes are propagated to
// two different regions (specified in node tags).
const rst = new ReplSetTest({
name: 'testSet',
nodes: [
{rsConfig: {tags: {region: "us"}}},
{rsConfig: {tags: {region: "us"}}},
{rsConfig: {tags: {region: "eu"}}}
],
settings: {getLastErrorModes: {multiRegion: {region: 2}}}
});
rst.startSet();
rst.initiate();
const primary = rst.getPrimary();
// Test setDefaultRWConcern succeeds for "majority" and numbers.
assert.commandWorked(
primary.adminCommand({setDefaultRWConcern: 1, defaultWriteConcern: {w: "majority"}}));
assert.commandWorked(primary.adminCommand({setDefaultRWConcern: 1, defaultWriteConcern: {w: 1}}));
// Test setDefaultRWConcern will fail for anything besides integers and strings.
assert.commandFailedWithCode(
primary.adminCommand({setDefaultRWConcern: 1, defaultWriteConcern: {w: true}}),
ErrorCodes.FailedToParse);
// Test setDefaultRWConcern will fail for general strings (besides majority).
assert.commandFailedWithCode(
primary.adminCommand({setDefaultRWConcern: 1, defaultWriteConcern: {w: "1"}}),
ErrorCodes.UnknownReplWriteConcern);
assert.commandFailedWithCode(
primary.adminCommand({setDefaultRWConcern: 1, defaultWriteConcern: {w: "bajority"}}),
ErrorCodes.UnknownReplWriteConcern);
// Test setDefaultRWConcern will succeed for custom RW concerns.
assert.commandWorked(
primary.adminCommand({setDefaultRWConcern: 1, defaultWriteConcern: {w: "multiRegion"}}));
// Test insert with a writeConcern set succeeds and fails in the same cases that setDefaultRWConcern
// does.
const coll = primary.getDB("db").getCollection("coll");
assert.commandWorked(coll.insert({a: 1}, {writeConcern: {w: "majority"}}));
assert.commandWorked(coll.insert({a: 1}, {writeConcern: {w: 1}}));
assert.commandFailedWithCode(coll.insert({a: 1}, {writeConcern: {w: true}}),
ErrorCodes.FailedToParse);
assert.commandFailedWithCode(coll.insert({a: 1}, {writeConcern: {w: "1"}}),
ErrorCodes.UnknownReplWriteConcern);
assert.commandFailedWithCode(coll.insert({a: 1}, {writeConcern: {w: "bajority"}}),
ErrorCodes.UnknownReplWriteConcern);
assert.commandWorked(coll.insert({a: 1}, {writeConcern: {w: "multiRegion"}}));
rst.stopSet();
})();
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