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CodeceptJS

Unified, synchronous E2E testing across browsers and mobile

CodeceptJS provides a scenario‑driven, synchronous API for end‑to‑end testing across Web (Playwright, Puppeteer, WebDriver, TestCafe) and mobile (Appium, Detox), with AI‑powered assistance, parallel execution, and built‑in reporting.

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Overview

Overview

CodeceptJS is a scenario‑driven testing framework that abstracts browser and mobile interactions into simple, synchronous steps written from a user’s perspective. It supports a wide range of helpers—including Playwright, Puppeteer, WebDriver, TestCafe, Appium, and Detox—so teams can test web applications and native/mobile apps with a single, consistent API.

Capabilities & Deployment

The framework runs on Node.js 12+ and works natively with ES6 and TypeScript. Features such as AI‑assisted test healing, parallel test pooling, an interactive debugging shell, and a built‑in HTML reporter give developers rapid feedback and detailed analytics. Tests are generated via CLI helpers, and the same configuration can be used across CI pipelines or local development environments.

Who Benefits

QA engineers, developers, and product teams that need cross‑browser or cross‑platform acceptance testing will find CodeceptJS’s linear, promise‑free syntax reduces flakiness and maintenance overhead while keeping the test suite readable for non‑technical stakeholders.

Highlights

AI‑powered GPT assistance for failing test diagnosis
Parallel testing with dynamic test pooling
Built‑in HTML reporter with step‑by‑step analytics
Interactive debugging shell for live test exploration

Pros

  • Synchronous API eliminates callback and promise complexity
  • Unified helpers cover major web and mobile automation tools
  • Native ES6/TypeScript support without additional transpilation
  • Rich reporting and debugging tools accelerate troubleshooting

Considerations

  • Requires Node.js 12+ and appropriate browser/driver binaries
  • Initial helper configuration can be verbose for newcomers
  • Limited to JavaScript/TypeScript ecosystems
  • Some helpers depend on external services (e.g., Selenium Grid)

Managed products teams compare with

When teams consider CodeceptJS, these hosted platforms usually appear on the same shortlist.

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Looking for a hosted option? These are the services engineering teams benchmark against before choosing open source.

Fit guide

Great for

  • QA teams needing cross‑browser and mobile acceptance testing
  • Developers preferring BDD‑style, readable scenario scripts
  • Projects that benefit from AI‑driven test maintenance
  • Organizations looking for parallel execution to speed CI pipelines

Not ideal when

  • Teams using non‑JavaScript languages for test automation
  • Projects without a Node.js runtime environment
  • Simple unit‑test suites that don’t require browser interaction
  • Environments where synchronous execution conflicts with async workflows

How teams use it

Cross‑browser regression suite

Run the same test scenarios on Chromium, Firefox, and WebKit via Playwright, catching UI regressions in a single CI job.

Mobile app acceptance testing

Validate React Native app flows on Android and iOS using Appium and Detox with a unified test script.

Flaky test remediation

Leverage AI‑powered suggestions to automatically repair or skip unstable steps, reducing manual debugging time.

Parallel load testing

Execute hundreds of scenario tests concurrently with dynamic pooling, achieving faster feedback on large feature sets.

Tech snapshot

JavaScript75%
HTML20%
Hack2%
TypeScript1%
PHP1%
Gherkin1%

Tags

testingwebdriverioplaywrighte2e-testswebdriverhacktoberfestpageobjectend-to-end-testingnodejsselenium-webdriverseleniumacceptance-testingcodeceptjsbdd-frameworkjavascriptgraphql-testingbdd

Frequently asked questions

Do I need to write async/await code with CodeceptJS?

No. CodeceptJS provides a synchronous API, so tests are written as linear steps without explicit async/await.

Which browsers and devices are supported?

Through helpers you can test Chromium, Firefox, WebKit (Playwright), Chrome (Puppeteer), any Selenium‑compatible browser (WebDriver), and mobile platforms via Appium or Detox.

Can I use TypeScript with CodeceptJS?

Yes. CodeceptJS works natively with ES6 and TypeScript; type definitions can be generated via the CLI.

How does the AI feature work?

The built‑in GPT integration analyses failing steps and suggests fixes or alternative locators, helping to heal flaky tests.

Is there a built‑in test reporter?

Yes. CodeceptJS includes an HTML reporter with an interactive dashboard that shows step execution, screenshots, and analytics.

Project at a glance

Active
Stars
4,216
Watchers
4,216
Forks
753
LicenseMIT
Repo age10 years old
Last commit12 hours ago
Primary languageJavaScript

Last synced 3 hours ago