# Angular Zoneless Unit Testing

DevFeed: [Angular Zoneless Unit Testing](<https://devfeed.tech/articles/angular-zoneless-unit-testing-37461.md>)

Original publisher: [Read original article](<https://www.angularspace.com/angular-zoneless-unit-testing/>)

Author: Francesco Borzì

Published: 2025-09-30T06:30:10Z

Content type: tutorial

Language: en

Sources: [Daniel Glejzner](<https://devfeed.tech/sources/daniel-glejzner.md>)

Topics: [Angular](<https://devfeed.tech/topics/angular.md>), [Unit testing](<https://devfeed.tech/topics/unit-testing.md>), [Testing](<https://devfeed.tech/topics/testing.md>)

Tags: [angular](<https://devfeed.tech/tags/angular.md>), [articles](<https://devfeed.tech/tags/articles.md>), [code](<https://devfeed.tech/tags/code.md>), [testing](<https://devfeed.tech/tags/testing.md>), [unit-testing](<https://devfeed.tech/tags/unit-testing.md>), [unit-tests](<https://devfeed.tech/tags/unit-tests.md>)

## AI overview

This tutorial explains how to adapt Angular unit tests for zoneless change detection. It recommends enabling provideZonelessChangeDetection(), avoiding unnecessary detectChanges() calls, and replacing Zone.js-dependent testing helpers as applications migrate away from Zone.js.

## Source excerpt

The Future Is Zoneless -- What Can We Do Today? You've probably heard: Angular is moving toward a Zoneless future. Migrating your Angular app to run without Zone.js brings several benefits, but for medium-to-large applications, the process might not be trivial. The good