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103 changes: 41 additions & 62 deletions test/integration/crud/find.test.js
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ const { setTimeout } = require('timers');
const { Code, ObjectId, Long, Binary, ReturnDocument, CursorResponse } = require('../../mongodb');

describe('Find', function () {
/** @type(import('../../mongodb').MongoClient */
let client;

beforeEach(async function () {
Expand Down Expand Up @@ -496,70 +497,48 @@ describe('Find', function () {
}
});

it('shouldCorrectlyPerformFindsWithHintTurnedOn', {
metadata: {
requires: { topology: ['single', 'replicaset', 'sharded', 'ssl', 'heap', 'wiredtiger'] }
},
it('shouldCorrectlyPerformFindsWithHintTurnedOn', async function () {
const configuration = this.configuration;
client = configuration.newClient(configuration.writeConcernMax(), { maxPoolSize: 1 });
await client.connect();

test: function (done) {
var configuration = this.configuration;
var client = configuration.newClient(configuration.writeConcernMax(), { maxPoolSize: 1 });
client.connect(function (err, client) {
var db = client.db(configuration.db);
db.createCollection('test_hint', function (err, collection) {
collection.insert({ a: 1 }, configuration.writeConcernMax(), function (err) {
expect(err).to.not.exist;
db.createIndex(
collection.collectionName,
'a',
configuration.writeConcernMax(),
function (err) {
expect(err).to.not.exist;
collection.find({ a: 1 }, { hint: 'a' }).toArray(function (err) {
test.ok(err != null);
const db = client.db(configuration.db);
const collection = await db.createCollection('test_hint');

collection.find({ a: 1 }, { hint: ['a'] }).toArray(function (err, items) {
expect(err).to.not.exist;
test.equal(1, items.length);

collection.find({ a: 1 }, { hint: { a: 1 } }).toArray(function (err, items) {
test.equal(1, items.length);

// Modify hints
collection.hint = 'a_1';
test.equal('a_1', collection.hint);
collection.find({ a: 1 }).toArray(function (err, items) {
test.equal(1, items.length);

collection.hint = ['a'];
test.equal(1, collection.hint['a']);
collection.find({ a: 1 }).toArray(function (err, items) {
test.equal(1, items.length);

collection.hint = { a: 1 };
test.equal(1, collection.hint['a']);
collection.find({ a: 1 }).toArray(function (err, items) {
test.equal(1, items.length);

collection.hint = null;
test.ok(collection.hint == null);
collection.find({ a: 1 }).toArray(function (err, items) {
test.equal(1, items.length);
// Let's close the db
client.close(done);
});
});
});
});
});
});
});
}
);
});
});
});
}
await collection.deleteMany({});
await collection.insert({ a: 1 }, configuration.writeConcernMax());

await db.createIndex(collection.collectionName, 'a', configuration.writeConcernMax());

expect(
await collection
.find({ a: 1 }, { hint: 'a' })
.toArray()
.catch(e => e)
).to.be.instanceOf(Error);

// Test with hint as array
expect(await collection.find({ a: 1 }, { hint: ['a'] }).toArray()).to.have.lengthOf(1);

// Test with hint as object
expect(await collection.find({ a: 1 }, { hint: { a: 1 } }).toArray()).to.have.lengthOf(1);

// Modify hints
collection.hint = 'a_1';
expect(collection.hint).to.equal('a_1');
expect(await collection.find({ a: 1 }).toArray()).to.have.lengthOf(1);

collection.hint = ['a'];
expect(collection.hint['a']).to.equal(1);
expect(await collection.find({ a: 1 }).toArray()).to.have.lengthOf(1);

collection.hint = { a: 1 };
expect(collection.hint['a']).to.equal(1);
expect(await collection.find({ a: 1 }).toArray()).to.have.lengthOf(1);

collection.hint = null;
expect(collection.hint).to.be.undefined;
expect(await collection.find({ a: 1 }).toArray()).to.have.lengthOf(1);
});

it('shouldCorrectlyPerformFindByObjectId', {
Expand Down