test(NODE-7187): Migrate test/integration/transactions tests (#4686)

Author: PavelSafronov

test/integration/transactions/transactions.prose.test.ts

@@ -1,6 +1,7 @@
+import { type ObjectId } from 'bson';
 import { expect } from 'chai';
 
-import { type MongoClient, type ObjectId } from '../../mongodb';
+import { type MongoClient } from '../../../src/mongo_client';
 
 const metadata: MongoDBMetadataUI = {
   requires: {

test/integration/transactions/transactions.test.ts

@@ -1,14 +1,10 @@
 import { expect } from 'chai';
 
-import {
-  ClientSession,
-  type Collection,
-  type CommandStartedEvent,
-  type MongoClient,
-  MongoInvalidArgumentError,
-  MongoNetworkError,
-  type ServerSessionPool
-} from '../../mongodb';
+import { type CommandStartedEvent } from '../../../src/cmap/command_monitoring_events';
+import { type Collection } from '../../../src/collection';
+import { MongoInvalidArgumentError, MongoNetworkError } from '../../../src/error';
+import { type MongoClient } from '../../../src/mongo_client';
+import { ClientSession, type ServerSessionPool } from '../../../src/sessions';
 import { type FailCommandFailPoint } from '../../tools/utils';
 
 describe('Transactions', function () {
@@ -55,18 +51,14 @@ describe('Transactions', function () {
       metadata: {
         requires: { topology: ['replicaset', 'sharded'] }
       },
-      test: function (done) {
+      test: async function () {
         function fnThatReturnsBadPromise() {
           return Promise.reject();
         }
 
-        session
-          .withTransaction(fnThatReturnsBadPromise)
-          .then(() => done(Error('Expected error')))
-          .catch(err => {
-            expect(err).to.equal(undefined);
-            session.endSession(done);
-          });
+        const err = await session.withTransaction(fnThatReturnsBadPromise).catch(err => err);
+        expect(err).to.equal(undefined);
+        await session.endSession();
       }
     });
 
@@ -179,23 +171,21 @@ describe('Transactions', function () {
   describe('startTransaction', function () {
     it('should not error if transactions are supported', {
       metadata: { requires: { topology: ['sharded'] } },
-      test: function (done) {
+      test: async function () {
         const configuration = this.configuration;
         const client = configuration.newClient(configuration.url());
 
-        client.connect(err => {
-          expect(err).to.not.exist;
+        await client.connect();
 
-          const session = client.startSession();
-          const db = client.db(configuration.db);
-          const coll = db.collection('transaction_error_test');
-          coll.insertOne({ a: 1 }, err => {
-            expect(err).to.not.exist;
-            expect(() => session.startTransaction()).to.not.throw();
+        const session = client.startSession();
+        const db = client.db(configuration.db);
+        const coll = db.collection('transaction_error_test');
+        await coll.insertOne({ a: 1 });
+        session.startTransaction();
 
-            session.abortTransaction(() => session.endSession(() => client.close(done)));
-          });
-        });
+        await session.abortTransaction();
+        await session.endSession();
+        await client.close();
       }
     });
   });