feat(NODE-5678): add options parsing support for timeoutMS and defaultTimeoutMS

src/collection.ts

@@ -106,6 +106,8 @@ export interface CollectionOptions extends BSONSerializeOptions, WriteConcernOpt
   readConcern?: ReadConcernLike;
   /** The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST). */
   readPreference?: ReadPreferenceLike;
+  /** @internal */
+  timeoutMS?: number;
 }
 
 /** @internal */

src/db.ts

@@ -66,7 +66,8 @@ const DB_OPTIONS_ALLOW_LIST = [
   'enableUtf8Validation',
   'promoteValues',
   'compression',
-  'retryWrites'
+  'retryWrites',
+  'timeoutMS'
 ];
 
 /** @internal */
@@ -94,6 +95,8 @@ export interface DbOptions extends BSONSerializeOptions, WriteConcernOptions {
   readConcern?: ReadConcern;
   /** Should retry failed writes */
   retryWrites?: boolean;
+  /** @internal */
+  timeoutMS?: number;
 }
 
 /**

src/gridfs/download.ts

@@ -28,6 +28,8 @@ export interface GridFSBucketReadStreamOptions {
    * to be returned by the stream. `end` is non-inclusive
    */
   end?: number;
+  /** @internal */
+  timeoutMS?: number;
 }
 
 /** @public */

src/gridfs/index.ts

@@ -36,6 +36,8 @@ export interface GridFSBucketOptions extends WriteConcernOptions {
   chunkSizeBytes?: number;
   /** Read preference to be passed to read operations */
   readPreference?: ReadPreference;
+  /** @internal */
+  timeoutMS?: number;
 }
 
 /** @internal */

src/gridfs/upload.ts

@@ -36,6 +36,8 @@ export interface GridFSBucketWriteStreamOptions extends WriteConcernOptions {
    * @deprecated Will be removed in the next major version. Add an aliases field to the metadata document instead.
    */
   aliases?: string[];
+  /** @internal */
+  timeoutMS?: number;
 }
 
 /**

src/mongo_client.ts

@@ -897,4 +897,6 @@ export interface MongoOptions
    * TODO: NODE-5671 - remove internal flag
    */
   mongodbLogPath?: 'stderr' | 'stdout' | MongoDBLogWritable;
+  /** @internal */
+  timeoutMS?: number;
 }

src/operations/operation.ts

@@ -34,6 +34,9 @@ export interface OperationOptions extends BSONSerializeOptions {
   /** @internal Hints to `executeOperation` that this operation should not unpin on an ended transaction */
   bypassPinningCheck?: boolean;
   omitReadPreference?: boolean;
+
+  /** @internal */
+  timeoutMS?: number;
 }
 
 /** @internal */

src/sessions.ts

@@ -60,6 +60,9 @@ export interface ClientSessionOptions {
   snapshot?: boolean;
   /** The default TransactionOptions to use for transactions started on this session. */
   defaultTransactionOptions?: TransactionOptions;
+  /** @internal
+   * The value of timeoutMS used for CSOT. Used to override client timeoutMS */
+  defaultTimeoutMS?: number;
 
   /** @internal */
   owner?: symbol | AbstractCursor;
@@ -130,6 +133,8 @@ export class ClientSession extends TypedEventEmitter<ClientSessionEvents> {
   [kPinnedConnection]?: Connection;
   /** @internal */
   [kTxnNumberIncrement]: number;
+  /** @internal */
+  timeoutMS?: number;
 
   /**
    * Create a client session.
@@ -172,6 +177,7 @@ export class ClientSession extends TypedEventEmitter<ClientSessionEvents> {
     this.sessionPool = sessionPool;
     this.hasEnded = false;
     this.clientOptions = clientOptions;
+    this.timeoutMS = options.defaultTimeoutMS ?? client.options?.timeoutMS;
 
     this.explicit = !!options.explicit;
     this[kServerSession] = this.explicit ? this.sessionPool.acquire() : null;

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

@@ -1,4 +1,96 @@
-/* eslint-disable @typescript-eslint/no-empty-function */
 /* Anything javascript specific relating to timeouts */
+import { expect } from 'chai';
+import * as sinon from 'sinon';
 
-describe.skip('CSOT driver tests', () => {});
+import {
+  type ClientSession,
+  type Collection,
+  type Db,
+  type FindCursor,
+  type MongoClient
+} from '../../mongodb';
+
+describe('CSOT driver tests', () => {
+  afterEach(() => {
+    sinon.restore();
+  });
+
+  describe('timeoutMS inheritance', () => {
+    let client: MongoClient;
+    let db: Db;
+    let coll: Collection;
+
+    beforeEach(async function () {
+      client = this.configuration.newClient(undefined, { timeoutMS: 100 });
+      db = client.db('test', { timeoutMS: 200 });
+    });
+
+    afterEach(async () => {
+      if (client) await client.close();
+    });
+
+    describe('when timeoutMS is provided on an operation', () => {
+      beforeEach(() => {
+        coll = db.collection('test', { timeoutMS: 300 });
+      });
+
+      describe('when in a session', () => {
+        let cursor: FindCursor;
+        let session: ClientSession;
+
+        beforeEach(() => {
+          session = client.startSession({ defaultTimeoutMS: 400 });
+          cursor = coll.find({}, { session, timeoutMS: 500 });
+        });
+
+        afterEach(async () => {
+          await cursor.close();
+          await session.endSession();
+        });
+
+        it('overrides the value provided on the db and the session', async () => {
+          expect(cursor.cursorOptions).to.have.property('timeoutMS', 500);
+        });
+      });
+
+      describe('when not in a session', () => {
+        let cursor: FindCursor;
+
+        beforeEach(() => {
+          db = client.db('test', { timeoutMS: 200 });
+          coll = db.collection('test', { timeoutMS: 300 });
+          cursor = coll.find({}, { timeoutMS: 400 });
+        });
+
+        afterEach(async () => {
+          await cursor.close();
+        });
+
+        it('overrides the value provided on the db', async () => {
+          expect(cursor.cursorOptions).to.have.property('timeoutMS', 400);
+        });
+      });
+    });
+
+    describe('when timeoutMS is provided on a collection', () => {
+      beforeEach(() => {
+        db = client.db('test', { timeoutMS: 200 });
+        coll = db.collection('test', { timeoutMS: 300 });
+      });
+
+      it('overrides the value provided on the db', () => {
+        expect(coll.s.options).to.have.property('timeoutMS', 300);
+      });
+
+      describe('when timeoutMS is provided on a db', () => {
+        beforeEach(() => {
+          db = client.db('test', { timeoutMS: 200 });
+        });
+
+        it('overrides the value provided on the client', () => {
+          expect(db.s.options).to.have.property('timeoutMS', 200);
+        });
+      });
+    });
+  });
+});

test/spec/uri-options/connection-options.json

@@ -2,7 +2,7 @@
   "tests": [
     {
       "description": "Valid connection and timeout options are parsed correctly",
-      "uri": "mongodb://example.com/?appname=URI-OPTIONS-SPEC-TEST&connectTimeoutMS=20000&heartbeatFrequencyMS=5000&localThresholdMS=3000&maxIdleTimeMS=50000&replicaSet=uri-options-spec&retryWrites=true&serverSelectionTimeoutMS=15000&socketTimeoutMS=7500",
+      "uri": "mongodb://example.com/?appname=URI-OPTIONS-SPEC-TEST&connectTimeoutMS=20000&heartbeatFrequencyMS=5000&localThresholdMS=3000&maxIdleTimeMS=50000&replicaSet=uri-options-spec&retryWrites=true&serverSelectionTimeoutMS=15000&socketTimeoutMS=7500&timeoutMS=100",
       "valid": true,
       "warning": false,
       "hosts": null,
@@ -16,7 +16,8 @@
         "replicaSet": "uri-options-spec",
         "retryWrites": true,
         "serverSelectionTimeoutMS": 15000,
-        "socketTimeoutMS": 7500
+        "socketTimeoutMS": 7500,
+        "timeoutMS": 100
       }
     },
     {
@@ -238,6 +239,35 @@
       "hosts": null,
       "auth": null,
       "options": {}
+    },
+    {
+      "description": "timeoutMS=0",
+      "uri": "mongodb://example.com/?timeoutMS=0",
+      "valid": true,
+      "warning": false,
+      "hosts": null,
+      "auth": null,
+      "options": {
+        "timeoutMS": 0
+      }
+    },
+    {
+      "description": "Non-numeric timeoutMS causes a warning",
+      "uri": "mongodb://example.com/?timeoutMS=invalid",
+      "valid": true,
+      "warning": true,
+      "hosts": null,
+      "auth": null,
+      "options": {}
+    },
+    {
+      "description": "Too low timeoutMS causes a warning",
+      "uri": "mongodb://example.com/?timeoutMS=-2",
+      "valid": true,
+      "warning": true,
+      "hosts": null,
+      "auth": null,
+      "options": {}
     }
   ]
 }

test/spec/uri-options/connection-options.yml

@@ -1,7 +1,7 @@
 tests:
     -
         description: "Valid connection and timeout options are parsed correctly"
-        uri: "mongodb://example.com/?appname=URI-OPTIONS-SPEC-TEST&connectTimeoutMS=20000&heartbeatFrequencyMS=5000&localThresholdMS=3000&maxIdleTimeMS=50000&replicaSet=uri-options-spec&retryWrites=true&serverSelectionTimeoutMS=15000&socketTimeoutMS=7500"
+        uri: "mongodb://example.com/?appname=URI-OPTIONS-SPEC-TEST&connectTimeoutMS=20000&heartbeatFrequencyMS=5000&localThresholdMS=3000&maxIdleTimeMS=50000&replicaSet=uri-options-spec&retryWrites=true&serverSelectionTimeoutMS=15000&socketTimeoutMS=7500&timeoutMS=100"
         valid: true
         warning: false
         hosts: ~
@@ -16,6 +16,7 @@ tests:
             retryWrites: true
             serverSelectionTimeoutMS: 15000
             socketTimeoutMS: 7500
+            timeoutMS: 100
     -
         description: "Non-numeric connectTimeoutMS causes a warning"
         uri: "mongodb://example.com/?connectTimeoutMS=invalid"
@@ -64,7 +65,7 @@ tests:
         hosts: ~
         auth: ~
         options: {}
-    -
+    - 
         description: "Invalid retryWrites causes a warning"
         uri: "mongodb://example.com/?retryWrites=invalid"
         valid: true
@@ -207,3 +208,28 @@ tests:
       hosts: ~
       auth: ~
       options: {}
+    -
+        description: "timeoutMS=0"
+        uri: "mongodb://example.com/?timeoutMS=0"
+        valid: true
+        warning: false
+        hosts: ~
+        auth: ~
+        options:
+            timeoutMS: 0
+    -
+        description: "Non-numeric timeoutMS causes a warning"
+        uri: "mongodb://example.com/?timeoutMS=invalid"
+        valid: true
+        warning: true
+        hosts: ~
+        auth: ~
+        options: {}
+    -
+        description: "Too low timeoutMS causes a warning"
+        uri: "mongodb://example.com/?timeoutMS=-2"
+        valid: true
+        warning: true
+        hosts: ~
+        auth: ~
+        options: {}

test/spec/uri-options/connection-pool-options.yml

@@ -65,4 +65,3 @@ tests:
       hosts: ~
       auth: ~
       options: {}
-

test/spec/uri-options/read-preference-options.json

@@ -23,7 +23,7 @@
     },
     {
       "description": "Single readPreferenceTags is parsed as array of size one",
-      "uri": "mongodb://example.com/?readPreferenceTags=dc:ny",
+      "uri": "mongodb://example.com/?readPreference=secondary&readPreferenceTags=dc:ny",
       "valid": true,
       "warning": false,
       "hosts": null,

test/spec/uri-options/read-preference-options.yml

@@ -17,7 +17,7 @@ tests:
             maxStalenessSeconds: 120
     -
         description: "Single readPreferenceTags is parsed as array of size one"
-        uri: "mongodb://example.com/?readPreferenceTags=dc:ny"
+        uri: "mongodb://example.com/?readPreference=secondary&readPreferenceTags=dc:ny"
         valid: true
         warning: false
         hosts: ~

test/tools/uri_spec_runner.ts

@@ -349,6 +349,7 @@ export function executeUriValidationTest(
       case 'maxConnecting':
       case 'maxPoolSize':
       case 'minPoolSize':
+      case 'timeoutMS':
       case 'connectTimeoutMS':
       case 'heartbeatFrequencyMS':
       case 'localThresholdMS':