Blog

CircleCI Documentation
English 日本語
Sign up

Site

CircleCI
Documentation

Blog

DevOps 101 CircleCI News Engineering Productivity Engineering Management
Sign up
Search
Results
View all postsTesting

Testing

Unit tests, integration tests, UI layer tests - it won’t come as a surprise that we ❤️ testing at CircleCI. Improving your tests, whether learning something new about TDD, or fixing flaky tests, will improve the entire CI process and make software delivery smoother, faster, and more predictable.

illustration complexity radial

What is mutation testing?

Jun 25, 202618 min read
Roger Winter

Roger Winter

Content Marketing Manager

support-header-1@3x

What are test hooks in AI-native development?

Mar 18, 202611 min read
Jacob Schmitt

Jacob Schmitt

Senior Technical Content Marketing Manager

illustration complexity grid

Regression Testing: What it is, why it matters, and how to automate it with CI/CD

Mar 5, 202617 min read
Roger Winter

Roger Winter

Content Marketing Manager

Developer A sits at a desk working on an intermediate-level project.

Code coverage standards for a Next.js project using CircleCI and Coveralls

Oct 1, 202510 min read
Daniel Efe

Daniel Efe

Front-end Developer

Developer A sits at a desk working on an intermediate-level project.

Continuous integration of contract tests for Dagger in Kotlin applications

Sep 18, 202517 min read
Terrence Aluda

Terrence Aluda

Software Engineer

illustration buggy magnify

Acceptance testing explained

Feb 17, 202512 min read
Jacob Schmitt

Jacob Schmitt

Senior Technical Content Marketing Manager

A vertical line spirals into increasingly complex shapes until it becomes a starburst.

What is Behavior-Driven Development (BDD)?

Feb 11, 202513 min read
Jacob Schmitt

Jacob Schmitt

Senior Technical Content Marketing Manager

Testing blocks build a grid.

Guide to unit testing

Feb 10, 202512 min read
Jacob Schmitt

Jacob Schmitt

Senior Technical Content Marketing Manager

A stylized code screen circled by graphic and coding-related elements.

Pytest: Getting started with automated testing for Python

Jun 3, 202410 min read
Jacob Schmitt

Jacob Schmitt

Senior Technical Content Marketing Manager

  • Previous
  • 1
  • 2
  • 3
  • Next
  • Previous
  • 1
  • 3
  • Next
CircleCI
© 2026 Circle Internet Services, Inc.
Terms of Use Privacy Policy Cookie Policy Cookie Preferences
RSS LinkedIn GitHub X Twitch