fix: use jest expect in UTs

* build(deps): bump chai from 4.5.0 to 6.2.0 Bumps [chai](https://github.com/chaijs/chai) from 4.5.0 to 6.2.0. - [Release notes](https://github.com/chaijs/chai/releases) - [Changelog](https://github.com/chaijs/chai/blob/main/History.md) - [Commits](chaijs/chai@v4.5.0...v6.2.0) --- updated-dependencies: - dependency-name: chai dependency-version: 6.2.0 dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com> * use jest expect * use jest expect --------- Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: kobenguyent <7845001+kobenguyent@users.noreply.github.com>

Author: dependabot[bot]

babel.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+ presets: [
+ ['@babel/preset-env', {targets: {node: 'current'}}],
+ '@babel/preset-typescript',
+ ],
+};

package.json

@@ -22,20 +22,23 @@
  },
  "homepage": "https://github.com/codeceptjs/mailslurp-helper#readme",
  "dependencies": {
- "chai": "^4.3.4",
  "expect": "^30.2.0",
  "mailslurp-client": "^16.0.0",
  "ts-node": "^10.9.2"
  },
  "devDependencies": {
+ "@babel/core": "^7.28.4",
+ "@babel/preset-env": "^7.28.3",
+ "@babel/preset-typescript": "^7.27.1",
  "@types/jest": "^29.5.14",
+ "babel-jest": "^30.2.0",
  "codeceptjs": "^3.7.3",
  "documentation": "^14.0.3",
  "dotenv": "^17.2.3",
  "jest": "30.2.0",
  "nock": "^14.0.1",
  "semantic-release": "^24.0.0",
- "ts-jest": "^29.2.6",
+ "ts-jest": "^29.4.4",
  "typescript": "^5.8.2"
  },
  "files": [

tests/index.spec.ts

@@ -1,6 +1,6 @@
 import nock from 'nock';
 require('dotenv').config();
-import { expect } from 'chai';
+import {expect, test} from '@jest/globals';
 import MailSlurp = require("../src");
 import fs from 'fs';
 
@@ -97,10 +97,9 @@ describe('MailSlurp helper', function () {
 
  test('should create an inbox', async () => {
  const mailbox = await I.haveNewMailbox();
- expect(mailbox.id).to.be.a('string');
- expect(mailbox.emailAddress).to.be.a('string');
- expect(mailbox.emailAddress).to.contain('@');
- expect(mailbox.toString()).to.eql(mailbox.emailAddress);
+ expect(mailbox.id).toBe('123');
+ expect(mailbox.emailAddress).toBe('hello@test.de');
+ expect(mailbox.toString()).toEqual(mailbox.emailAddress);
  });
 
  test('should send and receive an email', async () => {
@@ -122,7 +121,7 @@ describe('MailSlurp helper', function () {
  attachments: [ attachmentId ]
  });
  const email = await I.waitForLatestEmail(50);
- expect(email.body.trim()).to.eql('Testing');
+ expect(email.body.trim()).toEqual('Testing');
  await I.seeInEmailSubject('Hello');
  await I.seeEmailSubjectEquals('Hello Test');
  await I.seeEmailIsFrom(mailbox.emailAddress);
@@ -149,7 +148,7 @@ describe('MailSlurp helper', function () {
  });
 
  // Since the persistent mock returns emailObj, this should work
- expect(email.body.trim()).to.eql('Testing');
+ expect(email.body.trim()).toEqual('Testing');
  await I.seeInEmailSubject('Hello');
  await I.seeEmailSubjectEquals('Hello Test');
  }, 10000);