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merged 2 commits into from
Oct 21, 2025
+32 −67
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test(NODE-7254): migrate node-specific/operation_examples tests #4743

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test(NODE-7254): refactor callback-style test to async/await
tadjik1 Oct 20, 2025
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test(NODE-7254): run all tests
tadjik1 Oct 21, 2025
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99 changes: 32 additions & 67 deletions test/integration/node-specific/operation_examples.test.ts
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Original file line number Diff line number Diff line change
@@ -1,12 +1,7 @@
import { expect } from 'chai';

import {
Code,
enumToString,
type MongoClient,
ProfilingLevel,
ReturnDocument
} from '../../mongodb';
import { Code, type MongoClient, ProfilingLevel, ReturnDocument } from '../../../src';
import { enumToString } from '../../../src/utils';
import { sleep as delay } from '../../tools/utils';
import { setupDatabase } from '../shared';

Expand Down Expand Up @@ -3989,77 +3984,47 @@ describe('Operations', function () {
});

/**
* A simple example showing the listening to a capped collection using a Promise.
* A simple example showing the listening to a capped collection.
*
* example-class Db
* example-method createCollection
*/
it('Should correctly add capped collection options to cursor With Promises', {
metadata: { requires: { topology: ['single'] } },

test: function (done) {
const configuration = this.configuration;
const client = configuration.newClient(configuration.writeConcernMax(), {
maxPoolSize: 1
});

client.connect().then(function (client) {
const db = client.db(configuration.db);
// LINE var MongoClient = require('mongodb').MongoClient,
// LINE test = require('assert');
// LINE const client = new MongoClient('mongodb://localhost:27017/test');
// LINE client.connect().then(() => {
// LINE var db = client.db('test);
// REPLACE configuration.writeConcernMax() WITH {w:1}
// REMOVE-LINE done();
// BEGIN
// Create a capped collection with a maximum of 1000 documents
let collection;

db.createCollection('a_simple_collection_2_with_promise', {
capped: true,
size: 100000,
max: 1000,
writeConcern: { w: 1 }
})
.then(function (_collection) {
collection = _collection;

const docs: Array<{ a: number }> = [];
for (let i = 0; i < 1000; i++) docs.push({ a: i });
it('Should correctly add capped collection options to cursor', async function () {
const configuration = this.configuration;
const client = configuration.newClient(configuration.writeConcernMax(), {
maxPoolSize: 1
});

// Insert a document in the capped collection
return collection.insertMany(docs, configuration.writeConcernMax());
})
.then(function (result) {
expect(result).to.exist;
await client.connect();
const db = client.db(configuration.db);

let total = 0;
const collection = await db.createCollection('a_simple_collection_2_with_promise', {
capped: true,
size: 100000,
max: 1000,
writeConcern: { w: 1 }
});
const docs: Array<{ a: number }> = [];
for (let i = 0; i < 10000; i++) docs.push({ a: i });

// Get the cursor
const cursor = collection
.find({ a: { $gte: 0 } })
.addCursorFlag('tailable', true)
.addCursorFlag('awaitData', true);
// Insert a document in the capped collection
await collection.insertMany(docs, configuration.writeConcernMax());
let total = 0;

const stream = cursor.stream();
stream.on('data', function (d) {
expect(d).to.exist;
total = total + 1;
// Get the cursor
const cursor = collection
.find({ a: { $gte: 0 } })
.addCursorFlag('tailable', true)
.addCursorFlag('awaitData', true);

if (total === 1000) {
cursor.close();
}
});
const stream = cursor.stream();

cursor.on('close', function () {
// TODO: forced because the cursor is still open/active
client.close(true, done);
});
});
});
// END
for await (const d of stream) {
expect(d).to.have.property('_id');
total = total + 1;
if (total === 1000) await cursor.close();
}
await client.close();
});

describe('Transaction Examples', function () {
Expand Down