Say hello to Vitest

Author: arnautov-anton

package.json

@@ -63,19 +63,8 @@
     "@semantic-release/changelog": "^6.0.3",
     "@semantic-release/git": "^10.0.1",
     "@types/base64-js": "^1.3.0",
-    "@types/chai": "^4.2.15",
-    "@types/chai-arrays": "^2.0.0",
-    "@types/chai-as-promised": "^7.1.4",
-    "@types/chai-like": "^1.1.1",
-    "@types/mocha": "^10.0.10",
-    "@types/node": "^22.13.5",
     "@types/sinon": "^10.0.6",
     "@types/uuid": "^10.0.0",
-    "chai": "^4.3.4",
-    "chai-arrays": "^2.2.0",
-    "chai-as-promised": "^7.1.1",
-    "chai-like": "^1.1.1",
-    "chai-sorted": "^0.2.0",
     "concurrently": "^9.1.2",
     "conventional-changelog-conventionalcommits": "^8.0.0",
     "dotenv": "^8.2.0",
@@ -85,16 +74,15 @@
     "globals": "^16.0.0",
     "husky": "^4.3.8",
     "lint-staged": "^15.2.2",
-    "mocha": "^11.1.0",
     "nyc": "^15.1.0",
     "prettier": "^3.5.2",
     "semantic-release": "^24.2.3",
     "sinon": "^12.0.1",
-    "ts-node": "^10.9.2",
     "tslib": "^2.8.1",
     "typescript": "^5.7.3",
     "typescript-eslint": "^8.25.0",
-    "uuid": "^11.1.0"
+    "uuid": "^11.1.0",
+    "vitest": "^3.0.7"
   },
   "scripts": {
     "build": "rm -rf dist && yarn bundle",
@@ -110,7 +98,7 @@
     "test": "yarn test-unit",
     "testwatch": "NODE_ENV=test nodemon ./node_modules/.bin/mocha --timeout 20000 --require test-entry.js test/test.js",
     "test-types": "node test/typescript/index.js && tsc --esModuleInterop true --noEmit true --strictNullChecks true --noImplicitAny true --strict true test/typescript/*.ts",
-    "test-unit": "NODE_ENV=test TS_NODE_PROJECT=tsconfig.test.json mocha test/unit/*.{js,test.ts}",
+    "test-unit": "vitest test/unit/* --run",
     "test-coverage": "nyc yarn test-unit",
     "fix-staged": "lint-staged --config .lintstagedrc.fix.json --concurrent 1",
     "semantic-release": "semantic-release",

test/unit/channel.js test/unit/channel.test.jstest/unit/channel.js renamed to test/unit/channel.test.js

@@ -1,4 +1,3 @@
-import chai from 'chai';
 import { v4 as uuidv4 } from 'uuid';
 
 import { generateChannel } from './test-utils/generateChannel';
@@ -13,7 +12,7 @@ import { mockChannelQueryResponse } from './test-utils/mockChannelQueryResponse'
 import { ChannelState, StreamChat } from '../../src';
 import { DEFAULT_QUERY_CHANNEL_MESSAGE_LIST_PAGE_SIZE } from '../../src/constants';
 
-const expect = chai.expect;
+import { describe, beforeEach, it, expect } from 'vitest';
 
 describe('Channel count unread', function () {
 	let lastRead;
@@ -845,77 +844,68 @@ describe('Uninitialized Channel', () => {
 describe('Channels - Constructor', function () {
 	const client = new StreamChat('key', 'secret');
 
-	it('canonical form', function (done) {
+	it('canonical form', function () {
 		const channel = client.channel('messaging', '123', { cool: true });
 		expect(channel.cid).to.eql('messaging:123');
 		expect(channel.id).to.eql('123');
 		expect(channel.data).to.eql({ cool: true });
-		done();
 	});
 
-	it('custom data merges to the right with current data', function (done) {
+	it('custom data merges to the right with current data', function () {
 		let channel = client.channel('messaging', 'brand_new_123', { cool: true });
 		expect(channel.cid).to.eql('messaging:brand_new_123');
 		expect(channel.id).to.eql('brand_new_123');
 		expect(channel.data).to.eql({ cool: true });
 		channel = client.channel('messaging', 'brand_new_123', { custom_cool: true });
 		console.log(channel.data);
 		expect(channel.data).to.eql({ cool: true, custom_cool: true });
-		done();
 	});
 
-	it('default options', function (done) {
+	it('default options', function () {
 		const channel = client.channel('messaging', '123');
 		expect(channel.cid).to.eql('messaging:123');
 		expect(channel.id).to.eql('123');
-		done();
 	});
 
-	it('null ID no options', function (done) {
+	it('null ID no options', function () {
 		const channel = client.channel('messaging', null);
 		expect(channel.id).to.eq(undefined);
-		done();
 	});
 
-	it('undefined ID no options', function (done) {
+	it('undefined ID no options', function () {
 		const channel = client.channel('messaging', undefined);
 		expect(channel.id).to.eql(undefined);
 		expect(channel.data).to.eql({});
-		done();
 	});
 
-	it('short version with options', function (done) {
+	it('short version with options', function () {
 		const channel = client.channel('messaging', { members: ['tommaso', 'thierry'] });
 		expect(channel.data).to.eql({ members: ['tommaso', 'thierry'] });
 		expect(channel.id).to.eql(undefined);
-		done();
 	});
 
-	it('null ID with options', function (done) {
+	it('null ID with options', function () {
 		const channel = client.channel('messaging', null, {
 			members: ['tommaso', 'thierry'],
 		});
 		expect(channel.data).to.eql({ members: ['tommaso', 'thierry'] });
 		expect(channel.id).to.eql(undefined);
-		done();
 	});
 
-	it('empty ID  with options', function (done) {
+	it('empty ID  with options', function () {
 		const channel = client.channel('messaging', '', {
 			members: ['tommaso', 'thierry'],
 		});
 		expect(channel.data).to.eql({ members: ['tommaso', 'thierry'] });
 		expect(channel.id).to.eql(undefined);
-		done();
 	});
 
-	it('empty ID  with options', function (done) {
+	it('empty ID  with options', function () {
 		const channel = client.channel('messaging', undefined, {
 			members: ['tommaso', 'thierry'],
 		});
 		expect(channel.data).to.eql({ members: ['tommaso', 'thierry'] });
 		expect(channel.id).to.eql(undefined);
-		done();
 	});
 });
 
@@ -1242,13 +1232,10 @@ describe('Channel search', async () => {
 		await channel.search('query', { sort: [{ custom_field: -1 }] });
 	});
 	it('sorting and offset works', async () => {
-		await expect(channel.search('query', { offset: 1, sort: [{ custom_field: -1 }] })).to
-			.be.fulfilled;
+		await expect(channel.search('query', { offset: 1, sort: [{ custom_field: -1 }] }));
 	});
 	it('next and offset fails', async () => {
-		await expect(channel.search('query', { offset: 1, next: 'next' })).to.be.rejectedWith(
-			Error,
-		);
+		await expect(channel.search('query', { offset: 1, next: 'next' })).rejects.toThrow();
 	});
 });