chore: fix a few flaky CSOT tests (#4278)

.evergreen/run-resource-management-feature-integration.sh

@@ -1,6 +1,9 @@
 #! /bin/bash
 
-source $DRIVERS_TOOLS/.evergreen/init-node-and-npm-env.sh
+# source $DRIVERgit addS_TOOLS/.evergreen/init-node-and-npm-env.sh
+
+echo "node: $(node --version)"
+echo "npm: $(npm --version)"
 
 echo "Building driver..."
 npm pack

test/integration/client-side-operations-timeout/client_side_operations_timeout.prose.test.ts

@@ -343,7 +343,7 @@ describe('CSOT spec prose tests', function () {
 
       client = this.configuration.newClient(undefined, {
         monitorCommands: true,
-        timeoutMS: 100,
+        timeoutMS: 150,
         minPoolSize: 20
       });
       await client.connect();

test/integration/client-side-operations-timeout/node_csot.test.ts

@@ -361,15 +361,15 @@ describe('CSOT driver tests', metadata, () => {
   describe('Non-Tailable cursors', () => {
     let client: MongoClient;
     let internalClient: MongoClient;
-    let commandStarted: CommandStartedEvent[];
+    let commandStarted: (CommandStartedEvent & { command: { maxTimeMS?: number } })[];
     let commandSucceeded: CommandSucceededEvent[];
     const failpoint: FailPoint = {
       configureFailPoint: 'failCommand',
       mode: 'alwaysOn',
       data: {
         failCommands: ['find', 'getMore'],
         blockConnection: true,
-        blockTimeMS: 50
+        blockTimeMS: 150
       }
     };
 
@@ -435,7 +435,7 @@ describe('CSOT driver tests', metadata, () => {
           const cursor = client
             .db('db')
             .collection('coll')
-            .find({}, { batchSize: 1, timeoutMode: 'iteration', timeoutMS: 100 })
+            .find({}, { batchSize: 1, timeoutMode: 'iteration', timeoutMS: 200 })
             .project({ _id: 0 });
 
           // Iterating over 3 documents in the collection, each artificially taking ~50 ms due to failpoint. If timeoutMS is not refreshed, then we'd expect to error
@@ -457,20 +457,25 @@ describe('CSOT driver tests', metadata, () => {
             const cursor = client
               .db('db')
               .collection('coll')
-              .find({}, { batchSize: 1, timeoutMode: 'iteration', timeoutMS: 100 })
+              .find({}, { batchSize: 1, timeoutMode: 'iteration', timeoutMS: 200 })
               .project({ _id: 0 });
             await cursor.toArray();
 
-            expect(commandStarted).to.have.length.gte(3); // Find and 2 getMores
-            expect(
-              commandStarted.filter(ev => {
-                return (
-                  ev.command.find != null &&
-                  ev.command.getMore != null &&
-                  ev.command.maxTimeMS != null
-                );
-              })
-            ).to.have.lengthOf(0);
+            const commands = commandStarted.filter(c =>
+              ['find', 'getMore'].includes(c.commandName)
+            );
+            expect(commands).to.have.lengthOf(4); // Find and 2 getMores
+
+            const [
+              { command: aggregate },
+              { command: getMore1 },
+              { command: getMore2 },
+              { command: getMore3 }
+            ] = commands;
+            expect(aggregate).not.to.have.property('maxTimeMS');
+            expect(getMore1).not.to.have.property('maxTimeMS');
+            expect(getMore2).not.to.have.property('maxTimeMS');
+            expect(getMore3).not.to.have.property('maxTimeMS');
           }
         );
       });
@@ -644,7 +649,7 @@ describe('CSOT driver tests', metadata, () => {
       client = this.configuration.newClient(undefined, { monitorCommands: true, minPoolSize });
       commandStarted = [];
       client.on('commandStarted', ev => commandStarted.push(ev));
-      await client.connect();
+      await waitUntilPoolsFilled(client, AbortSignal.timeout(30_000), minPoolSize);
     });
 
     afterEach(async function () {
@@ -685,11 +690,13 @@ describe('CSOT driver tests', metadata, () => {
             .db('db')
             .collection('coll')
             .find({}, { timeoutMS: 150, tailable: true, awaitData: true, batchSize: 1 });
-          for (let i = 0; i < 5; i++) {
-            // Iterate cursor 5 times (server would have blocked for 500ms overall, but client
-            // should not throw
-            await cursor.next();
-          }
+          // Iterate cursor 5 times (server would have blocked for 500ms overall, but client
+          // should not throw
+          await cursor.next();
+          await cursor.next();
+          await cursor.next();
+          await cursor.next();
+          await cursor.next();
         });
 
         it('does not use timeoutMS to compute maxTimeMS for getMores', metadata, async function () {

test/integration/crud/client_bulk_write.test.ts

@@ -321,7 +321,9 @@ describe('Client Bulk Write', function () {
 
         it(
           'timeoutMS is refreshed to the timeoutMS passed to the bulk write for the killCursors command',
-          metadata,
+          {
+            requires: { ...metadata.requires, topology: '!load-balanced' }
+          },
           async function () {
             const models = await makeMultiResponseBatchModelArray(this.configuration);
             const timeoutError = await client

test/integration/node-specific/abstract_cursor.test.ts

@@ -7,6 +7,7 @@ import { inspect } from 'util';
 import {
   AbstractCursor,
   type Collection,
+  type CommandStartedEvent,
   CursorTimeoutContext,
   CursorTimeoutMode,
   type FindCursor,
@@ -17,7 +18,8 @@ import {
   MongoServerError,
   TimeoutContext
 } from '../../mongodb';
-import { type FailPoint } from '../../tools/utils';
+import { clearFailPoint, configureFailPoint } from '../../tools/utils';
+import { filterForCommands } from '../shared';
 
 describe('class AbstractCursor', function () {
   describe('regression tests NODE-5372', function () {
@@ -405,9 +407,11 @@ describe('class AbstractCursor', function () {
     let client: MongoClient;
     let collection: Collection;
     let context: CursorTimeoutContext;
+    const commands: CommandStartedEvent[] = [];
 
     beforeEach(async function () {
-      client = this.configuration.newClient();
+      client = this.configuration.newClient({}, { monitorCommands: true });
+      client.on('commandStarted', filterForCommands('killCursors', commands));
 
       collection = client.db('abstract_cursor_integration').collection('test');
 
@@ -473,39 +477,59 @@ describe('class AbstractCursor', function () {
     });
 
     describe('when the cursor refreshes the timeout for killCursors', function () {
-      it(
-        'the provided timeoutContext is not modified',
-        {
-          requires: {
-            mongodb: '>=4.4'
-          }
-        },
-        async function () {
-          await client.db('admin').command({
+      let uri: string;
+
+      before(function () {
+        uri = this.configuration.url({ useMultipleMongoses: false });
+      });
+
+      beforeEach(async function () {
+        commands.length = 0;
+        await configureFailPoint(
+          this.configuration,
+          {
             configureFailPoint: 'failCommand',
             mode: { times: 1 },
             data: {
               failCommands: ['getMore'],
               blockConnection: true,
               blockTimeMS: 5000
             }
-          } as FailPoint);
+          },
+          uri
+        );
+      });
+
+      afterEach(async function () {
+        await clearFailPoint(this.configuration, uri);
+      });
 
+      it(
+        'the provided timeoutContext is not modified',
+        {
+          requires: {
+            mongodb: '>=4.4',
+            topology: '!load-balanced'
+          }
+        },
+        async function () {
           const cursor = collection.find(
             {},
             {
               timeoutContext: context,
-              timeoutMS: 1000,
+              timeoutMS: 150,
               timeoutMode: CursorTimeoutMode.LIFETIME,
               batchSize: 1
             }
           );
 
+          const refresh = sinon.spy(context, 'refresh');
+          const refreshed = sinon.spy(context, 'refreshed');
           const error = await cursor.toArray().catch(e => e);
 
           expect(error).to.be.instanceof(MongoOperationTimeoutError);
-          // @ts-expect-error We know we have a CSOT timeout context but TS does not.
-          expect(context.timeoutContext.remainingTimeMS).to.be.lessThan(0);
+          expect(refresh.called).to.be.false;
+          expect(refreshed.called).to.be.true;
         }
       );
     });

test/tools/utils.ts

@@ -601,8 +601,12 @@ export async function waitUntilPoolsFilled(
   await Promise.all([wait$(), client.connect()]);
 }
 
-export async function configureFailPoint(configuration: TestConfiguration, failPoint: FailPoint) {
-  const utilClient = configuration.newClient();
+export async function configureFailPoint(
+  configuration: TestConfiguration,
+  failPoint: FailPoint,
+  uri = configuration.url()
+) {
+  const utilClient = configuration.newClient(uri);
   await utilClient.connect();
 
   try {
@@ -612,8 +616,8 @@ export async function configureFailPoint(configuration: TestConfiguration, failP
   }
 }
 
-export async function clearFailPoint(configuration: TestConfiguration) {
-  const utilClient = configuration.newClient();
+export async function clearFailPoint(configuration: TestConfiguration, uri = configuration.url()) {
+  const utilClient = configuration.newClient(uri);
   await utilClient.connect();
 
   try {