# Mocking

Published articles for Mocking.

This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles.

## Starting Android at Khan Academy

DevFeed: [Starting Android at Khan Academy](<https://devfeed.tech/articles/starting-android-at-khan-academy-27408.md>)

Original publisher: [Read original article](<http://engineering.khanacademy.org/posts/starting-android.htm>)

Author: Khan Academy

Published: 2016-02-29T23:00:00Z

Content type: article

Language: en

Sources: [Khan Academy](<https://devfeed.tech/sources/khan-academy.md>)

Topics: [Android](<https://devfeed.tech/topics/android.md>), [android-development](<https://devfeed.tech/topics/android-development.md>), [Development](<https://devfeed.tech/topics/development.md>), [Library](<https://devfeed.tech/topics/library.md>), [modules](<https://devfeed.tech/topics/modules.md>), [ci](<https://devfeed.tech/topics/ci.md>), [Mocking](<https://devfeed.tech/topics/mocking.md>)

Tags: [android](<https://devfeed.tech/tags/android.md>), [android-development](<https://devfeed.tech/tags/android-development.md>), [development](<https://devfeed.tech/tags/development.md>), [engineering](<https://devfeed.tech/tags/engineering.md>), [libraries](<https://devfeed.tech/tags/libraries.md>), [mobile](<https://devfeed.tech/tags/mobile.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [module](<https://devfeed.tech/tags/module.md>), [modules](<https://devfeed.tech/tags/modules.md>), [news](<https://devfeed.tech/tags/news.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [picasso](<https://devfeed.tech/tags/picasso.md>), [play-store](<https://devfeed.tech/tags/play-store.md>), [pre-commit](<https://devfeed.tech/tags/pre-commit.md>), [retrofit](<https://devfeed.tech/tags/retrofit.md>), [test](<https://devfeed.tech/tags/test.md>), [tests](<https://devfeed.tech/tags/tests.md>)

### AI overview

Khan Academy describes its first Android app, launched in August 2015, and the engineering practices used to build it. The team adopted established Android and open-source libraries, separated Android-independent core code from the app module, and used fast JVM tests and continuous integration.

### Source excerpt

By Ben Komalo The journey of a thousand miles... In March, 2015--almost 1 year ago to the day--we ... Read more

## API Mocking and Testing With Microcks

DevFeed: [API Mocking and Testing With Microcks](<https://devfeed.tech/articles/api-mocking-and-testing-with-microcks-4497.md>)

Original publisher: [Read original article](<https://www.baeldung.com/java-microks-api-mocking-testing>)

Author: Andrei Branza

Published: 2026-08-22T23:20:24Z

Content type: tutorial

Language: en

Sources: [Baeldung](<https://devfeed.tech/sources/baeldung.md>)

Topics: [Mocking](<https://devfeed.tech/topics/mocking.md>), [Testcontainers](<https://devfeed.tech/topics/testcontainers.md>), [API](<https://devfeed.tech/topics/api.md>), [OpenAPI Specification](<https://devfeed.tech/topics/openapi.md>), [Microservices](<https://devfeed.tech/topics/microservices.md>), [Docker Compose](<https://devfeed.tech/topics/docker-compose.md>), [Docker](<https://devfeed.tech/topics/docker.md>), [Kafka](<https://devfeed.tech/topics/kafka.md>), [Amazon Simple Queue Service (SQS)](<https://devfeed.tech/topics/amazon-simple-queue-service-sqs.md>), [GraphQL](<https://devfeed.tech/topics/graphql.md>), [gRPC](<https://devfeed.tech/topics/grpc.md>), [Jenkins](<https://devfeed.tech/topics/jenkins.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [compose](<https://devfeed.tech/tags/compose.md>), [docker](<https://devfeed.tech/tags/docker.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [kafka](<https://devfeed.tech/tags/kafka.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [openapi](<https://devfeed.tech/tags/openapi.md>), [popular](<https://devfeed.tech/tags/popular.md>), [testcontainers](<https://devfeed.tech/tags/testcontainers.md>), [testing](<https://devfeed.tech/tags/testing.md>), [testing-popular-testcontainers](<https://devfeed.tech/tags/testing-popular-testcontainers.md>)

### AI overview

This tutorial explains how to use Microcks with Testcontainers to generate API mocks from contracts and run conformance tests against real implementations. It covers importing an OpenAPI contract, starting Microcks in a JUnit 5 test, calling generated mock endpoints, and integrating mocking and testing into delivery workflows.

### Source excerpt

Learn how to use Testcontainers integration to spin up Microcks inside a JUnit5 test. The post API Mocking and Testing With Microcks first appeared on Baeldung.

## How AI-Assisted Development Uses Reviewed Design Documents and Extensive Testing

DevFeed: [How AI-Assisted Development Uses Reviewed Design Documents and Extensive Testing](<https://devfeed.tech/articles/i-stopped-writing-code-and-started-doing-this-32369.md>)

Original publisher: [Read original article](<https://brianjenney.substack.com/p/i-stopped-writing-code-and-started>)

Author: Brian Jenney

Published: 2026-05-30T17:42:50Z

Content type: article

Language: en

Sources: [Brian Jenney](<https://devfeed.tech/sources/brian-jenney.md>)

Topics: [Artificial Intelligence](<https://devfeed.tech/topics/ai.md>), [Code](<https://devfeed.tech/topics/code.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [Documentation](<https://devfeed.tech/topics/documentation.md>), [Kubernetes](<https://devfeed.tech/topics/kubernetes.md>), [Terraform](<https://devfeed.tech/topics/terraform.md>), [Mocking](<https://devfeed.tech/topics/mocking.md>), [Boilerplate](<https://devfeed.tech/topics/boilerplate.md>), [GitHub API](<https://devfeed.tech/topics/github-api.md>), [Figma](<https://devfeed.tech/topics/figma.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [api](<https://devfeed.tech/tags/api.md>), [boilerplate](<https://devfeed.tech/tags/boilerplate.md>), [code](<https://devfeed.tech/tags/code.md>), [documentation](<https://devfeed.tech/tags/documentation.md>), [figma](<https://devfeed.tech/tags/figma.md>), [github](<https://devfeed.tech/tags/github.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [terraform](<https://devfeed.tech/tags/terraform.md>), [testing](<https://devfeed.tech/tags/testing.md>)

### AI overview

The author describes an AI-assisted development workflow in which reviewed, versioned design documents provide context for coding agents. Agents handle implementation and testing boilerplate, while developers decide expected behavior and test coverage. The author connects this process with frequent deployments and confidence in changes.

### Source excerpt

AI writes basically all of my code now.

## How to use Jest mocks

DevFeed: [How to use Jest mocks](<https://devfeed.tech/articles/how-to-use-jest-mocks-38398.md>)

Original publisher: [Read original article](<https://blog.danlew.net/2026/05/28/how-to-use-jest-mocks/>)

Author: Dan Lew

Published: 2026-05-28T13:10:16Z

Content type: tutorial

Language: en

Sources: [Dan Lew Blog](<https://devfeed.tech/sources/dan-lew-blog.md>)

Topics: [Jest](<https://devfeed.tech/topics/jest.md>), [Mocking](<https://devfeed.tech/topics/mocking.md>), [JavaScript](<https://devfeed.tech/topics/javascript.md>), [Dependency injection](<https://devfeed.tech/topics/dependency-injection.md>)

Tags: [dependency-injection](<https://devfeed.tech/tags/dependency-injection.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [jest](<https://devfeed.tech/tags/jest.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [testing](<https://devfeed.tech/tags/testing.md>)

### AI overview

A practical introduction to Jest mocks covering module mocking, mock hoisting, automock behavior, and configuring mocked return values. It also notes limitations in the documentation and discusses considerations for TypeScript users.

### Source excerpt

For better or worse, my life has become infested by Jest mocks. I come from the land of dependency injection (I even gave a talk once!), but whenever I talk about dependency injection to JavaScript developers I get this reaction: Instead, mocking is king. Unfortunately, I've found Jests&

## Practicing Playwright: API Testing, Intercepting Network Requests, and Mocking APIs

DevFeed: [Practicing Playwright: API Testing, Intercepting Network Requests, and Mocking APIs](<https://devfeed.tech/articles/practicing-playwright-api-testing-intercepting-network-requests-and-mocking-apis-22405.md>)

Original publisher: [Read original article](<https://www.tjmaher.com/2026/05/practicing-playwright-api-testing.html>)

Author: T.J. Maher (noreply@blogger.com)

Published: 2026-05-28T02:20:30Z

Content type: tutorial

Language: en

Sources: [T.J. Maher](<https://devfeed.tech/sources/t-j-maher.md>)

Topics: [Playwright](<https://devfeed.tech/topics/playwright.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [API](<https://devfeed.tech/topics/api.md>), [Mocking](<https://devfeed.tech/topics/mocking.md>), [Network](<https://devfeed.tech/topics/network.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [api-testing](<https://devfeed.tech/tags/api-testing.md>), [browser](<https://devfeed.tech/tags/browser.md>), [guide](<https://devfeed.tech/tags/guide.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [network](<https://devfeed.tech/tags/network.md>), [playwright](<https://devfeed.tech/tags/playwright.md>), [testing](<https://devfeed.tech/tags/testing.md>)

### AI overview

A practical tutorial on Playwright API testing using page.route to intercept, modify, abort, fetch, and mock network requests. It examines tests for the PracticeSoftwareTesting.com shopping cart and shows how API data can support UI assertions.

### Source excerpt

How would you intercept a network request and use the data for assertions? Mock a network request using those assertions? And make sure that all data is loaded in the UI before making your assertions, and that all tests can pass when run? We will be walking through Butch Mayhew's code that answers all of these questions, part of his LinkedIn Learning course: Playwright Essential Training. We will be examining the shopping cart test site PracticeSoftwareTesting.com and looking at code on Butch's companion GitHub site on how to mock out the API and use them in the UI tests. Playwright has a lot of features when it comes to API testing. You can intercept network requests, aborting, modifying, and mocking network requests. You can also simulate a slow network. This is all done through the Playwright methods: page.route. A route is the specific path or URL a client uses to request data or trigger a function on a server. GET /product would be an API call that gets everything from the address string called products, which then retrieves all products from the API endpoint called "products". The endpoint is "products" and the route is the name that accesses the endpoint. The Playwright API has a method called route, which allows Playwright to monitor and modify browser network traffic. Playwright.dev / Docs / Network: https://playwright.dev/docs/network Playwright and page.route: https://playwright.dev/docs/api/class-route Playwright Mocking API Guide: https://playwright.dev/docs/mock Adding page.route to your test allows you to do things such as: abort the route request with route.abort(), simulating various error codes such as accessdenied, addressunreachable, blockedbyclient, blockedbyresponse, connection aborted, connectionclosed, timedout, etc. continue sending the route's request with optional overrides such as changing the request URL, the headers, the method such as GET or POST, and the post data of the request. fetch the request without yet fulfilling it, so the res

## Lessons from Software Engineering at Google for Maintaining Healthy Codebases

DevFeed: [Lessons from Software Engineering at Google for Maintaining Healthy Codebases](<https://devfeed.tech/articles/what-i-learned-from-the-book-software-engineering-at-google-38697.md>)

Original publisher: [Read original article](<https://newsletter.techworld-with-milan.com/p/what-i-learned-at-swe-at-google-book>)

Author: Dr Milan Milanović

Published: 2026-02-26T16:01:23Z

Content type: opinion

Language: en

Sources: [Tech World With Milan Newsletter](<https://devfeed.tech/sources/tech-world-with-milan-newsletter.md>)

Topics: [Software Engineering](<https://devfeed.tech/topics/software-engineering.md>), [Development](<https://devfeed.tech/topics/development.md>), [Dependency management](<https://devfeed.tech/topics/dependency-management.md>), [Code review](<https://devfeed.tech/topics/code-review.md>), [Refactoring](<https://devfeed.tech/topics/refactoring.md>), [engineering-culture](<https://devfeed.tech/topics/engineering-culture.md>), [Mocking](<https://devfeed.tech/topics/mocking.md>), [releases](<https://devfeed.tech/topics/releases.md>), [upgrade](<https://devfeed.tech/topics/upgrade.md>)

Tags: [code-review](<https://devfeed.tech/tags/code-review.md>), [dependency-management](<https://devfeed.tech/tags/dependency-management.md>), [engineering](<https://devfeed.tech/tags/engineering.md>), [leadership](<https://devfeed.tech/tags/leadership.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [release](<https://devfeed.tech/tags/release.md>), [software-engineering](<https://devfeed.tech/tags/software-engineering.md>)

### AI overview

A review of Software Engineering at Google argues that the book's lessons apply to teams of different sizes. It highlights practices for evolving, sharing, testing, releasing, and eventually deleting code, along with code review, dependency management, productivity measurement, and engineering culture.

### Source excerpt

And what you can apply from today.

## A better way to end-to-end test your webapp

DevFeed: [A better way to end-to-end test your webapp](<https://devfeed.tech/articles/a-better-way-to-end-to-end-test-your-webapp-37612.md>)

Original publisher: [Read original article](<https://swizec.com/blog/a-better-way-to-end-to-end-test-your-webapp>)

Author: hi@swizec.com (Swizec Teller)

Published: 2026-01-06T00:00:00Z

Content type: opinion

Language: en

Sources: [Swizec Teller](<https://devfeed.tech/sources/swizec-teller.md>)

Topics: [Testing](<https://devfeed.tech/topics/testing.md>), [Web app](<https://devfeed.tech/topics/webapp.md>), [computer-use](<https://devfeed.tech/topics/computer-use.md>), [Playwright](<https://devfeed.tech/topics/playwright.md>), [OpenAI](<https://devfeed.tech/topics/openai.md>), [TypeScript](<https://devfeed.tech/topics/typescript.md>)

Tags: [agentic](<https://devfeed.tech/tags/agentic.md>), [computer-use](<https://devfeed.tech/tags/computer-use.md>), [e2e](<https://devfeed.tech/tags/e2e.md>), [e2e-testing](<https://devfeed.tech/tags/e2e-testing.md>), [flaky](<https://devfeed.tech/tags/flaky.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [openai](<https://devfeed.tech/tags/openai.md>), [playwright](<https://devfeed.tech/tags/playwright.md>), [tests](<https://devfeed.tech/tags/tests.md>)

### AI overview

The article proposes an agentic approach to end-to-end testing for web applications. Tests describe user goals, while an agent uses screenshots and browser interactions to achieve and record those goals. Later runs replay the stored actions to check for regressions, reducing test-writing overhead and sensitivity to UI implementation changes.

### Source excerpt

End-to-end tests are the best way to test your webapp, but they're flaky and annoying to write. I'm trying a new agentic approach that fixes the issue.

## Stop Mocking Auth (It's Breaking Your Tests)

DevFeed: [Stop Mocking Auth (It's Breaking Your Tests)](<https://devfeed.tech/articles/stop-mocking-auth-it-s-breaking-your-tests-5803.md>)

Original publisher: [Read original article](<https://neon.com/blog/stop-mocking-auth-its-breaking-your-tests>)

Author: Shridhar Deshmukh

Published: 2025-12-29T18:23:12Z

Content type: article

Language: en

Sources: [Blog -- Neon Docs](<https://devfeed.tech/sources/blog-neon-docs.md>)

Topics: [Mocking](<https://devfeed.tech/topics/mocking.md>), [Authentication](<https://devfeed.tech/topics/authentication.md>), [passwords](<https://devfeed.tech/topics/passwords.md>), [Databases](<https://devfeed.tech/topics/databases.md>)

Tags: [authentication](<https://devfeed.tech/tags/authentication.md>), [database](<https://devfeed.tech/tags/database.md>), [databases](<https://devfeed.tech/tags/databases.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [password](<https://devfeed.tech/tags/password.md>), [product](<https://devfeed.tech/tags/product.md>), [testing](<https://devfeed.tech/tags/testing.md>)

### AI overview

The article argues that mocking authentication makes test suites misleading because mocks can bypass password verification, session management, database constraints, and relationships between authentication and application data. It recommends testing the behavior that can fail in production rather than only verifying mocked assumptions.

### Source excerpt

If your application has user accounts, authentication touches everything: who can access what, what data belongs to whom, and how your system behaves when sessions expire or credentials are invalid. Auth is also one of the most commonly mocked components in test suites. The reaso...

## A Reproducible Process for Fixing Bugs

DevFeed: [A Reproducible Process for Fixing Bugs](<https://devfeed.tech/articles/how-to-fix-any-bug-36173.md>)

Original publisher: [Read original article](<https://overreacted.io/how-to-fix-any-bug/>)

Published: 2025-10-21T00:00:00Z

Content type: tutorial

Language: en

Sources: [Dan Abramov](<https://devfeed.tech/sources/dan-abramov.md>)

Topics: [bug](<https://devfeed.tech/topics/bug.md>), [React Router](<https://devfeed.tech/topics/react-router.md>), [React](<https://devfeed.tech/topics/react.md>), [Claude](<https://devfeed.tech/topics/claude.md>), [Mocking](<https://devfeed.tech/topics/mocking.md>), [browser](<https://devfeed.tech/topics/browser.md>)

Tags: [bug](<https://devfeed.tech/tags/bug.md>), [claude](<https://devfeed.tech/tags/claude.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [react](<https://devfeed.tech/tags/react.md>), [react-router](<https://devfeed.tech/tags/react-router.md>)

### AI overview

The article describes debugging a web app where adding a React Router server call caused scrolling to jitter. It argues that reliable reproductions are essential because Claude and human engineers can propose incorrect fixes without a reproducible test.

### Source excerpt

The joys of vibecoding.

## TDD, TBD, Dynamic Teaming: What would a great CTO do?

DevFeed: [TDD, TBD, Dynamic Teaming: What would a great CTO do?](<https://devfeed.tech/articles/tdd-tbd-dynamic-teaming-what-would-a-great-cto-do-28438.md>)

Original publisher: [Read original article](<https://craftingtechteams.substack.com/p/tdd-tbd-dynamic-teaming-what-would>)

Author: Denis Čahuk

Published: 2025-07-25T10:42:13Z

Content type: article

Language: en

Sources: [Crafting Tech Teams](<https://devfeed.tech/sources/crafting-tech-teams.md>)

Topics: [Test-driven development](<https://devfeed.tech/topics/tdd.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [Development](<https://devfeed.tech/topics/development.md>), [Agile](<https://devfeed.tech/topics/agile.md>)

Tags: [agile](<https://devfeed.tech/tags/agile.md>), [leadership](<https://devfeed.tech/tags/leadership.md>), [legacy](<https://devfeed.tech/tags/legacy.md>), [metrics](<https://devfeed.tech/tags/metrics.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [tdd](<https://devfeed.tech/tags/tdd.md>), [team](<https://devfeed.tech/tags/team.md>), [testing](<https://devfeed.tech/tags/testing.md>)

### AI overview

This webinar connects test-driven development with dynamic team structures, trunk-based development, onboarding, and technical leadership. It argues that TDD and clear design seams can reduce onboarding friction, while measurement choices such as story points and pull-request counts influence team behavior and may obscure change friction.

### Source excerpt

You're a CTO overwhelmed with improvement initiatives and pressure from your product team to stop with the Agile nonsense and just ship things. How do you balance your focus and execution?

## Understanding Mocks, Stubs, Fakes, and Shunts in Test-Driven Development

DevFeed: [Understanding Mocks, Stubs, Fakes, and Shunts in Test-Driven Development](<https://devfeed.tech/articles/tdd-mocks-fakes-stubs-doubles-shunts-ayayay-28436.md>)

Original publisher: [Read original article](<https://craftingtechteams.substack.com/p/tdd-mocks-fakes-stubs-doubles-shunts>)

Author: Denis Čahuk

Published: 2025-07-21T08:05:36Z

Content type: article

Language: en

Sources: [Crafting Tech Teams](<https://devfeed.tech/sources/crafting-tech-teams.md>)

Topics: [Mocking](<https://devfeed.tech/topics/mocking.md>), [Test-driven development](<https://devfeed.tech/topics/tdd.md>), [Testing](<https://devfeed.tech/topics/testing.md>)

Tags: [mocking](<https://devfeed.tech/tags/mocking.md>), [tdd](<https://devfeed.tech/tags/tdd.md>), [testing](<https://devfeed.tech/tags/testing.md>), [tests](<https://devfeed.tech/tags/tests.md>), [video](<https://devfeed.tech/tags/video.md>)

### AI overview

A recording from Denis Čahuk's live video explains the differences between mocks, stubs, fakes, and shunts, and examines how overusing or misunderstanding test doubles can create tangled tests. It discusses testing outgoing commands with mocks and how difficult mocking setups may indicate design problems.

### Source excerpt

A recording from Denis Čahuk's live video

## How Mocking Affects Software Design and Testability

DevFeed: [How Mocking Affects Software Design and Testability](<https://devfeed.tech/articles/every-mock-is-a-bet-against-your-design-28430.md>)

Original publisher: [Read original article](<https://craftingtechteams.substack.com/p/recording-every-mock-is-a-bet-against>)

Author: Denis Čahuk

Published: 2025-07-19T07:45:14Z

Content type: tutorial

Language: en

Sources: [Crafting Tech Teams](<https://devfeed.tech/sources/crafting-tech-teams.md>)

Topics: [Mocking](<https://devfeed.tech/topics/mocking.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [Test-driven development](<https://devfeed.tech/topics/tdd.md>), [Refactoring](<https://devfeed.tech/topics/refactoring.md>), [test-coverage](<https://devfeed.tech/topics/test-coverage.md>)

Tags: [coverage](<https://devfeed.tech/tags/coverage.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [mongodb](<https://devfeed.tech/tags/mongodb.md>), [refactoring](<https://devfeed.tech/tags/refactoring.md>), [tdd](<https://devfeed.tech/tags/tdd.md>), [testing](<https://devfeed.tech/tags/testing.md>)

### AI overview

A recorded talk examines when mocks are useful, common misconceptions about mocking and TDD, and how excessive or poorly chosen mocks can constrain software design and testability. It discusses multi-mock tests, database mocking, and designing narrow seams around dependencies.

### Source excerpt

If you've ever felt like your tests get in the way of refactoring, or like mocks make everything harder rather than simpler this stream is for you.

## ☀ While I'm out: A 6-part deep dive on TDD, engineering culture and leadership

DevFeed: [☀ While I'm out: A 6-part deep dive on TDD, engineering culture and leadership](<https://devfeed.tech/articles/while-i-m-out-a-6-part-deep-dive-on-tdd-engineering-culture-and-leadership-28440.md>)

Original publisher: [Read original article](<https://craftingtechteams.substack.com/p/while-im-out-a-6-part-deep-dive-on>)

Author: Denis Čahuk

Published: 2025-07-17T14:03:59Z

Content type: article

Language: en

Sources: [Crafting Tech Teams](<https://devfeed.tech/sources/crafting-tech-teams.md>)

Topics: [Test-driven development](<https://devfeed.tech/topics/tdd.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [engineering-culture](<https://devfeed.tech/topics/engineering-culture.md>)

Tags: [engineering-culture](<https://devfeed.tech/tags/engineering-culture.md>), [leadership](<https://devfeed.tech/tags/leadership.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [tdd](<https://devfeed.tech/tags/tdd.md>), [testing](<https://devfeed.tech/tags/testing.md>), [unit-testing](<https://devfeed.tech/tags/unit-testing.md>)

### AI overview

The author announces a six-part Substack series based on earlier coaching streams and webinars. The series covers testing, mocking, TDD, engineering culture, team dynamics, and leadership, with posts scheduled from July 19 through July 26.

### Source excerpt

A Summer Deep-Dive on Testing, Design, and Teams from our previous webinars and coaching streams.

## Node.js 24.3.0 (Current)

DevFeed: [Node.js 24.3.0 (Current)](<https://devfeed.tech/articles/node-js-24-3-0-current-2826.md>)

Original publisher: [Read original article](<https://nodejs.org/en/blog/release/v24.3.0>)

Published: 2025-06-24T23:05:50Z

Content type: release

Language: en

Sources: [Node.js Blog](<https://devfeed.tech/sources/node-js-blog.md>)

Topics: [Node.js](<https://devfeed.tech/topics/node-js.md>), [Mocking](<https://devfeed.tech/topics/mocking.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [node-js](<https://devfeed.tech/tags/node-js.md>), [update](<https://devfeed.tech/tags/update.md>)

### AI overview

Node.js 24.3.0 is a current release with filesystem event handling, type-stripping, test-runner mocking, and URL API changes, alongside dependency updates and fixes.

### Source excerpt

Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

## Mocking Frameworks May Mask Design Problems

DevFeed: [Mocking Frameworks May Mask Design Problems](<https://devfeed.tech/articles/every-mock-is-a-bet-against-your-design-28425.md>)

Original publisher: [Read original article](<https://craftingtechteams.substack.com/p/every-mock-is-a-bet-against-your>)

Author: Denis Čahuk

Published: 2025-06-12T12:54:42Z

Content type: opinion

Language: en

Sources: [Crafting Tech Teams](<https://devfeed.tech/sources/crafting-tech-teams.md>)

Topics: [Mocking](<https://devfeed.tech/topics/mocking.md>), [Frameworks](<https://devfeed.tech/topics/frameworks.md>)

Tags: [frameworks](<https://devfeed.tech/tags/frameworks.md>), [mocking](<https://devfeed.tech/tags/mocking.md>)

### AI overview

This commentary argues that teams may use mocking frameworks to save time while overlooking underlying design problems. It presents mocking as a temporary workaround that can conceal poor design decisions.

### Source excerpt

Engineers glamorously flock to using mocking frameworks as a solution to saving time. In reality it is a band-aid provided by framework authors, baiting teams to ignore their subpar design decisions.

## TDD February 2025 Agenda

DevFeed: [TDD February 2025 Agenda](<https://devfeed.tech/articles/tdd-february-2025-agenda-28434.md>)

Original publisher: [Read original article](<https://craftingtechteams.substack.com/p/tdd-february-2025-agenda>)

Author: Denis Čahuk

Published: 2025-02-03T15:48:33Z

Content type: article

Language: en

Sources: [Crafting Tech Teams](<https://devfeed.tech/sources/crafting-tech-teams.md>)

Topics: [Test-driven development](<https://devfeed.tech/topics/tdd.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [Mocking](<https://devfeed.tech/topics/mocking.md>), [Development](<https://devfeed.tech/topics/development.md>)

Tags: [2025](<https://devfeed.tech/tags/2025.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [nextjs](<https://devfeed.tech/tags/nextjs.md>), [tdd](<https://devfeed.tech/tags/tdd.md>), [testing](<https://devfeed.tech/tags/testing.md>)

### AI overview

A February 2025 agenda for TDD-related events, including talks on self-testing code, a new TDD booklet release, reaction streams, live chats, and a session on test-driven development with Next.js.

### Source excerpt

What you can expect and goodies!

## Test Your Database Without Mocks

DevFeed: [Test Your Database Without Mocks](<https://devfeed.tech/articles/test-your-database-without-mocks-5814.md>)

Original publisher: [Read original article](<https://neon.com/blog/test-your-database-without-mocks>)

Author: Andrew Tate

Published: 2025-01-15T10:38:35Z

Content type: article

Language: en

Sources: [Blog -- Neon Docs](<https://devfeed.tech/sources/blog-neon-docs.md>)

Topics: [Mocking](<https://devfeed.tech/topics/mocking.md>)

Tags: [database](<https://devfeed.tech/tags/database.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [postgres](<https://devfeed.tech/tags/postgres.md>), [product](<https://devfeed.tech/tags/product.md>), [sql](<https://devfeed.tech/tags/sql.md>), [testing](<https://devfeed.tech/tags/testing.md>), [transactions](<https://devfeed.tech/tags/transactions.md>)

### AI overview

The article argues that database mocks are brittle, costly to maintain, and unable to faithfully verify important database behavior.

### Source excerpt

Mocks for databases are extremely brittle and complicated. - javcasas Mocks in general are rarely worth it, the DB ones: 10x so. - pdimitar Was dealing with mocking voodoo garbage this morning as a result of fixing a bug. What a horrible mess just to claim a few lines of "test co...

## Learning Path: Testing and Continuous Integration

DevFeed: [Learning Path: Testing and Continuous Integration](<https://devfeed.tech/articles/learning-path-testing-and-continuous-integration-4385.md>)

Original publisher: [Read original article](<https://realpython.com/learning-paths/test-your-python-apps/>)

Author: Real Python

Published: 2024-11-14T12:00:00Z

Content type: tutorial

Language: en

Sources: [Real Python](<https://devfeed.tech/sources/real-python.md>)

Topics: [Python](<https://devfeed.tech/topics/python.md>), [Software Testing](<https://devfeed.tech/topics/software-testing.md>), [CI/CD](<https://devfeed.tech/topics/cicd.md>), [GitHub Actions](<https://devfeed.tech/topics/github-actions.md>), [Unit testing](<https://devfeed.tech/topics/unit-testing.md>), [Code quality](<https://devfeed.tech/topics/code-quality.md>), [Docker](<https://devfeed.tech/topics/docker.md>), [Mocking](<https://devfeed.tech/topics/mocking.md>), [Test-driven development](<https://devfeed.tech/topics/tdd.md>)

Tags: [ci-cd](<https://devfeed.tech/tags/ci-cd.md>), [code-quality](<https://devfeed.tech/tags/code-quality.md>), [docker](<https://devfeed.tech/tags/docker.md>), [github-actions](<https://devfeed.tech/tags/github-actions.md>), [learning](<https://devfeed.tech/tags/learning.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [pytest](<https://devfeed.tech/tags/pytest.md>), [python](<https://devfeed.tech/tags/python.md>), [testing](<https://devfeed.tech/tags/testing.md>), [tutorial](<https://devfeed.tech/tags/tutorial.md>)

### AI overview

A learning path for testing Python applications, covering unittest, doctest, mock objects, pytest, code quality, and continuous integration with GitHub Actions and Docker.

### Source excerpt

Learn how to test Python code with unittest, doctest, pytest, and mock objects. Set up continuous integration with GitHub Actions and Docker.

## Node.js 20.18.0 (LTS)

DevFeed: [Node.js 20.18.0 (LTS)](<https://devfeed.tech/articles/node-js-20-18-0-lts-2717.md>)

Original publisher: [Read original article](<https://nodejs.org/en/blog/release/v20.18.0>)

Published: 2024-10-03T17:57:41Z

Content type: release

Language: en

Sources: [Node.js Blog](<https://devfeed.tech/sources/node-js-blog.md>)

Topics: [Node.js](<https://devfeed.tech/topics/node-js.md>), [releases](<https://devfeed.tech/topics/releases.md>), [Developer Tools](<https://devfeed.tech/topics/developer-tools.md>), [Mocking](<https://devfeed.tech/topics/mocking.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [node-js](<https://devfeed.tech/tags/node-js.md>), [releases](<https://devfeed.tech/tags/releases.md>)

### AI overview

Node.js 20.18.0 LTS adds experimental network inspection for JavaScript applications, alongside API, runtime, performance, URL parsing, EventSource, and test-runner updates.

### Source excerpt

Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

## Node.js 22.3.0 (Current)

DevFeed: [Node.js 22.3.0 (Current)](<https://devfeed.tech/articles/node-js-22-3-0-current-2782.md>)

Original publisher: [Read original article](<https://nodejs.org/en/blog/release/v22.3.0>)

Published: 2024-06-11T19:00:57Z

Content type: release

Language: en

Sources: [Node.js Blog](<https://devfeed.tech/sources/node-js-blog.md>)

Topics: [Node.js](<https://devfeed.tech/topics/node-js.md>), [JavaScript](<https://devfeed.tech/topics/javascript.md>), [Command-line interface](<https://devfeed.tech/topics/cli.md>), [Mocking](<https://devfeed.tech/topics/mocking.md>), [Processes](<https://devfeed.tech/topics/processes.md>), [tracing](<https://devfeed.tech/topics/tracing.md>), [Benchmark](<https://devfeed.tech/topics/benchmark.md>), [Android](<https://devfeed.tech/topics/android.md>), [Python](<https://devfeed.tech/topics/python.md>)

Tags: [android](<https://devfeed.tech/tags/android.md>), [benchmark](<https://devfeed.tech/tags/benchmark.md>), [command-line](<https://devfeed.tech/tags/command-line.md>), [cross-platform](<https://devfeed.tech/tags/cross-platform.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [node-js](<https://devfeed.tech/tags/node-js.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [process](<https://devfeed.tech/tags/process.md>), [python](<https://devfeed.tech/tags/python.md>), [tracing](<https://devfeed.tech/tags/tracing.md>)

### AI overview

Node.js 22.3.0 is a current release with semver-minor additions across the runtime, including WASI permission controls, Blob byte access, CommonJS load-time reporting, snapshot testing, module mocking, EventSource support, tracing for net.Server.listen, and process.getBuiltinModule(). It also stabilizes recursive copy methods and includes build and platform updates.

### Source excerpt

Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

## .NET developers alert: Moq NuGET package exfiltrates user emails from git

DevFeed: [.NET developers alert: Moq NuGET package exfiltrates user emails from git](<https://devfeed.tech/articles/net-developers-alert-moq-nuget-package-exfiltrates-user-emails-from-git-8021.md>)

Original publisher: [Read original article](<https://snyk.io/blog/moq-package-exfiltrates-user-emails/>)

Author: Liran Tal

Published: 2023-08-09T05:00:00Z

Content type: article

Language: en

Sources: [Blog RSS Feed | Snyk](<https://devfeed.tech/sources/blog-rss-feed-snyk.md>)

Topics: [.NET](<https://devfeed.tech/topics/net.md>), [NuGet](<https://devfeed.tech/topics/nuget.md>), [supply-chain-security](<https://devfeed.tech/topics/supply-chain-security.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [Mocking](<https://devfeed.tech/topics/mocking.md>), [Vulnerabilities](<https://devfeed.tech/topics/vulnerabilities.md>), [pii](<https://devfeed.tech/topics/pii.md>), [Security](<https://devfeed.tech/topics/security.md>), [HTTP](<https://devfeed.tech/topics/http.md>), [Git](<https://devfeed.tech/topics/git.md>), [Azure](<https://devfeed.tech/topics/azure.md>), [GitHub](<https://devfeed.tech/topics/github.md>)

Tags: [acquisition](<https://devfeed.tech/tags/acquisition.md>), [application-security](<https://devfeed.tech/tags/application-security.md>), [blog](<https://devfeed.tech/tags/blog.md>), [capture](<https://devfeed.tech/tags/capture.md>), [developer](<https://devfeed.tech/tags/developer.md>), [devrel](<https://devfeed.tech/tags/devrel.md>), [dot-net](<https://devfeed.tech/tags/dot-net.md>), [git](<https://devfeed.tech/tags/git.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [net](<https://devfeed.tech/tags/net.md>), [nuget](<https://devfeed.tech/tags/nuget.md>), [open-source-security](<https://devfeed.tech/tags/open-source-security.md>), [pii](<https://devfeed.tech/tags/pii.md>), [security](<https://devfeed.tech/tags/security.md>), [snyk](<https://devfeed.tech/tags/snyk.md>), [snyk-open-source](<https://devfeed.tech/tags/snyk-open-source.md>), [supply-chain-security](<https://devfeed.tech/tags/supply-chain-security.md>), [testing](<https://devfeed.tech/tags/testing.md>), [vulnerabilities](<https://devfeed.tech/tags/vulnerabilities.md>)

### AI overview

The article reports that Moq, a widely used .NET mocking library, began exfiltrating developers' configured Git email addresses starting with version 4.20.0. The data was hashed into an HTTP request to Azure blob storage and shared with a third-party SponsorLink service. Snyk frames the incident as an open-source software supply-chain security and package-health concern.

### Source excerpt

On August 8th 2023, the .NET community was made aware that the testing library called Moq exfiltrates developers emails from their development machine, and sends them off to third-party remote servers.

## Guide to Maestro UI Testing with API Mocking Using WireMock

DevFeed: [Guide to Maestro UI Testing with API Mocking Using WireMock](<https://devfeed.tech/articles/guide-to-maestro-ui-testing-with-api-mocking-using-wiremock-22887.md>)

Original publisher: [Read original article](<https://maestro.dev/blog/guide-to-maestro-ui-testing-with-api-mocking-using-wiremock>)

Author: Ashish Kharche

Published: 2023-06-19T07:00:00Z

Content type: tutorial

Language: en

Sources: [mobile.dev - Medium](<https://devfeed.tech/sources/mobile-dev-medium.md>)

Topics: [Mocking](<https://devfeed.tech/topics/mocking.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [ui](<https://devfeed.tech/topics/ui.md>), [API](<https://devfeed.tech/topics/api.md>), [Command-line interface](<https://devfeed.tech/topics/cli.md>), [HTTP](<https://devfeed.tech/topics/http.md>), [Cloud](<https://devfeed.tech/topics/cloud.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [backend](<https://devfeed.tech/tags/backend.md>), [cli](<https://devfeed.tech/tags/cli.md>), [cloud](<https://devfeed.tech/tags/cloud.md>), [code](<https://devfeed.tech/tags/code.md>), [guide](<https://devfeed.tech/tags/guide.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [http](<https://devfeed.tech/tags/http.md>), [mock-api](<https://devfeed.tech/tags/mock-api.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [testing](<https://devfeed.tech/tags/testing.md>), [ui](<https://devfeed.tech/tags/ui.md>), [ui-testing](<https://devfeed.tech/tags/ui-testing.md>)

### AI overview

This step-by-step guide explains how to optimize Maestro UI testing by using mock APIs with WireMock. It covers local WireMock setup and WireMock Cloud's web UI, including response stubbing, request verification, proxying, record/playback, and fault injection.

### Source excerpt

Mock with WireMock, UI test with Maestro

## Interfaces 101 : Implementing Generics with Interfaces Ep. 1

DevFeed: [Interfaces 101 : Implementing Generics with Interfaces Ep. 1](<https://devfeed.tech/articles/interfaces-101-implementing-generics-with-interfaces-ep-1-22197.md>)

Original publisher: [Read original article](<https://www.ardanlabs.com/blog/2023/01/interfaces-101-implementing-generics-with-interfaces.html>)

Published: 2023-01-31T00:00:00Z

Content type: tutorial

Language: en

Sources: [William Kennedy](<https://devfeed.tech/sources/william-kennedy.md>)

Topics: [interfaces](<https://devfeed.tech/topics/interfaces.md>), [Go Language](<https://devfeed.tech/topics/go-language.md>), [Mocking](<https://devfeed.tech/topics/mocking.md>)

Tags: [code](<https://devfeed.tech/tags/code.md>), [developers](<https://devfeed.tech/tags/developers.md>), [generic-programming](<https://devfeed.tech/tags/generic-programming.md>), [generics](<https://devfeed.tech/tags/generics.md>), [go](<https://devfeed.tech/tags/go.md>), [go-types](<https://devfeed.tech/tags/go-types.md>), [golang](<https://devfeed.tech/tags/golang.md>), [interfaces](<https://devfeed.tech/tags/interfaces.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [polymorphism](<https://devfeed.tech/tags/polymorphism.md>), [series](<https://devfeed.tech/tags/series.md>), [types](<https://devfeed.tech/tags/types.md>), [video](<https://devfeed.tech/tags/video.md>)

### AI overview

A video tutorial explains how Go interfaces can constrain the types accepted by generic functions. It covers defining generic functions, explicitly passing types, and addressing compiler recognition issues while replacing duplicate functions that return different types.

### Source excerpt

Introduction Go interfaces are beneficial to Go developers because they: Allow interfaces to separate mechanism from behavior. Increase flexibility of function parameters. Enable mocking of function parameters. With the addition of generics in Go 1.18, interfaces can be used to constrain the types of values a generic function will accept. To dive deeper into Go interfaces, we invite you to join Miki in his latest series dedicated to Go interfaces.

## Reliving Your Happiest HTTP Interactions with Ruby's VCR Gem

DevFeed: [Reliving Your Happiest HTTP Interactions with Ruby's VCR Gem](<https://devfeed.tech/articles/reliving-your-happiest-http-interactions-with-ruby-s-vcr-gem-1423.md>)

Original publisher: [Read original article](<https://shopify.engineering/how-to-program-your-vcr>)

Author: Stephen Prater

Published: 2023-01-05T14:00:00Z

Content type: article

Language: en

Sources: [Shopify Engineering](<https://devfeed.tech/sources/shopify-engineering.md>), [Shopify Engineering - Shopify Engineering](<https://devfeed.tech/sources/shopify-engineering-shopify-engineering.md>)

Topics: [Ruby](<https://devfeed.tech/topics/ruby.md>), [Mocking](<https://devfeed.tech/topics/mocking.md>), [API](<https://devfeed.tech/topics/api.md>), [debugging](<https://devfeed.tech/topics/debugging.md>)

Tags: [apis](<https://devfeed.tech/tags/apis.md>), [debugging](<https://devfeed.tech/tags/debugging.md>), [http](<https://devfeed.tech/tags/http.md>), [mocking](<https://devfeed.tech/tags/mocking.md>), [ruby](<https://devfeed.tech/tags/ruby.md>), [testing](<https://devfeed.tech/tags/testing.md>)

### AI overview

This article explains how Ruby's VCR library records live HTTP interactions and replays them in tests, producing predictable responses while verifying requests. It compares VCR with WebMock mocks and stubs, emphasizing the tradeoff between manually constructed test data and recordings that accurately represent an external API's behavior at capture time.

### Source excerpt

VCR is a Ruby library that records HTTP interactions and plays them back to your test suite, verifying input and returning predictable output. If you're struggling with difficult to maintain mocks, misbehaving APIs or complex multi-step interactions and would like tests that are more reliable, faster, and easier to debug, VCR can help you get there. Here's how.

[Next page](<https://devfeed.tech/tags/mocking.md?cursor=WyIyMDIzLTAxLTA1VDE0OjAwOjAwKzAwOjAwIiwgIjAyNWMxMTIyLTY5OTItNGI3NS1hZTIwLWJhNWIwZTI4ZWNkNiJd>)