test(*): ensure all mock servers use common ismaster base

This allows us to inject the `__nodejs_mock_server__` field to all ismasters, which we will use to determine whether or not the remote party can speak OP_MSG.

Author: mbroadst

test/tests/functional/pool_tests.js

@@ -1237,7 +1237,9 @@ describe('Pool tests', function() {
  server
  .addMessageHandler('getnonce', req => req.reply({ ok: 1, result: { nonce: 'testing' } }))
  .addMessageHandler('authenticate', req => req.reply({ ok: 1 }))
- .addMessageHandler('ismaster', req => setTimeout(() => req.reply({ ok: 1 }), 10000));
+ .addMessageHandler('ismaster', req =>
+ setTimeout(() => req.reply(Object.assign({ ok: 1 }, mock.DEFAULT_ISMASTER)), 10000)
+ );
 
  var pool = new Pool(
  null,

test/tests/functional/sdam_monitoring_mocks/mongos_topology_tests.js

@@ -22,17 +22,9 @@ describe.skip('Mongos SDAM Monitoring (mocks)', function() {
  var currentStep = 0;
 
  // Default message fields
- var defaultFields = {
- ismaster: true,
- msg: 'isdbgrid',
- maxBsonObjectSize: 16777216,
- maxMessageSizeBytes: 48000000,
- maxWriteBatchSize: 1000,
- localTime: new Date(),
- maxWireVersion: 3,
- minWireVersion: 0,
- ok: 1
- };
+ var defaultFields = Object.assign({}, mock.DEFAULT_ISMASTER, {
+ msg: 'isdbgrid'
+ });
 
  // Primary server states
  var serverIsMaster = [Object.assign({}, defaultFields)];
@@ -231,17 +223,9 @@ describe.skip('Mongos SDAM Monitoring (mocks)', function() {
  var mongos2 = null;
 
  // Default message fields
- var defaultFields = {
- ismaster: true,
- msg: 'isdbgrid',
- maxBsonObjectSize: 16777216,
- maxMessageSizeBytes: 48000000,
- maxWriteBatchSize: 1000,
- localTime: new Date(),
- maxWireVersion: 3,
- minWireVersion: 0,
- ok: 1
- };
+ var defaultFields = Object.assign({}, mock.DEFAULT_ISMASTER, {
+ msg: 'isdbgrid'
+ });
 
  // Primary server states
  var serverIsMaster = [Object.assign({}, defaultFields)];
@@ -431,17 +415,9 @@ describe.skip('Mongos SDAM Monitoring (mocks)', function() {
  var currentStep = 0;
 
  // Default message fields
- var defaultFields = {
- ismaster: true,
- msg: 'isdbgrid',
- maxBsonObjectSize: 16777216,
- maxMessageSizeBytes: 48000000,
- maxWriteBatchSize: 1000,
- localTime: new Date(),
- maxWireVersion: 3,
- minWireVersion: 0,
- ok: 1
- };
+ var defaultFields = Object.assign({}, mock.DEFAULT_ISMASTER, {
+ msg: 'isdbgrid'
+ });
 
  // Primary server states
  var serverIsMaster = [Object.assign({}, defaultFields)];

test/tests/functional/sdam_monitoring_mocks/replset_topology_tests.js

@@ -25,20 +25,13 @@ describe.skip('ReplSet SDAM Monitoring (mocks)', function() {
  var electionIds = [new ObjectId(), new ObjectId()];
 
  // Default message fields
- var defaultFields = {
+ var defaultFields = Object.assign({}, mock.DEFAULT_ISMASTER, {
  setName: 'rs',
  setVersion: 1,
  electionId: electionIds[0],
- maxBsonObjectSize: 16777216,
- maxMessageSizeBytes: 48000000,
- maxWriteBatchSize: 1000,
- localTime: new Date(),
- maxWireVersion: 4,
- minWireVersion: 0,
- ok: 1,
  hosts: ['localhost:32000', 'localhost:32001'],
  arbiters: ['localhost:32002']
- };
+ });
 
  // Primary server states
  var primary = [

test/tests/functional/sdam_monitoring_mocks/single_topology_tests.js

@@ -21,16 +21,7 @@ describe.skip('Single SDAM Monitoring (mocks)', function() {
  var server = null;
 
  // Default message fields
- var defaultFields = {
- ismaster: true,
- maxBsonObjectSize: 16777216,
- maxMessageSizeBytes: 48000000,
- maxWriteBatchSize: 1000,
- localTime: new Date(),
- maxWireVersion: 3,
- minWireVersion: 0,
- ok: 1
- };
+ var defaultFields = Object.assign({}, mock.DEFAULT_ISMASTER);
 
  // Primary server states
  var serverIsMaster = [Object.assign({}, defaultFields)];
@@ -167,17 +158,9 @@ describe.skip('Single SDAM Monitoring (mocks)', function() {
  var server = null;
 
  // Default message fields
- var defaultFields = {
- ismaster: true,
- maxBsonObjectSize: 16777216,
- maxMessageSizeBytes: 48000000,
- maxWriteBatchSize: 1000,
- localTime: new Date(),
- maxWireVersion: 3,
- minWireVersion: 0,
- ok: 1,
+ var defaultFields = Object.assign({}, mock.DEFAULT_ISMASTER, {
  hosts: ['a:27017', 'b:27017'] // <-- this makes it an RSPrimary
- };
+ });
 
  // Primary server states
  var serverIsMaster = [Object.assign({}, defaultFields)];

test/tests/unit/common.js

@@ -23,6 +23,7 @@ class ReplSetFixture {
  this.arbiterServer = servers[2];
 
  this.defaultFields = Object.assign({}, ismaster, {
+ __nodejs_mock_server__: true,
  setName: 'rs',
  setVersion: 1,
  electionId: this.electionIds[0],