---
title: "Test Review: MEF"
url: "https://osherove.com/blog/2009/10/17/test-review-mef.md"
canonical: "https://osherove.com/blog/2009/10/17/test-review-mef.html"
published: "2009-10-17T23:19:37"
updated: "2009-10-17T23:19:37"
tags: ["TestReview", "Testing Guidelines", "Unit Testing"]
author: "Roy Osherove"
description: "it’s late at night, and my new baby just went to sleep, again. Time for another test review! (you can find other test reviews here ) Video unavailable (the original video has been removed from Vimeo). Test Review - MEF…"
usage: "Licensed under CC BY 4.0 — reuse, quote and adapt with attribution (Roy Osherove, link to the original page)."
license: "https://creativecommons.org/licenses/by/4.0/"
---

# Test Review: MEF

By Roy Osherove October 17, 2009 In [TestReview](https://osherove.com/blog/category/testreview), [Testing Guidelines](https://osherove.com/blog/category/testing-guidelines), [Unit Testing](https://osherove.com/blog/category/unit-testing)

**Historical article** · Originally published October 17, 2009; technical details may be outdated.

it’s late at night, and my new baby just went to sleep, again.

Time for another test review! (you can find [other test reviews here](http://weblogs.asp.net/rosherove/archive/tags/TestReview/default.aspx))

Video unavailable (the original video has been removed from Vimeo).

[Test Review - MEF](https://vimeo.com/7121073) from [Roy Osherove](https://vimeo.com/user222785) on [Vimeo](https://vimeo.com/).

## More in TestReview

[All posts in TestReview](https://osherove.com/blog/category/testreview)

- Mar 22, 2009

    ### [Test Review #3 – Unity](https://osherove.com/blog/2009/3/23/test-review-3-unity.html)

- Mar 21, 2009

    ### [Test Review #2 – ASP.NET MVC Unit Tests](https://osherove.com/blog/2009/3/21/test-review-2-aspnet-mvc-unit-tests.html)


---

## About the author

**Roy Osherove**: Senior Solutions Architect at AWS working on AI for production and AI-driven development; author of The Art of Unit Testing and Elastic Leadership, with about 20 years of consulting and training on unit testing, TDD, team leadership and continuous delivery.

### Sites

- [RobotPaper](https://robotpaper.ai/): This blog: AI patterns and anti-patterns, AI and coding agents, and engineering leadership.
- [osherove.com](https://osherove.com): Roy's personal site. Author of The Art of Unit Testing and Elastic Leadership; consulting and training on unit testing, TDD, team leadership and continuous delivery, plus about 20 years of blog posts.
- [The Art of Unit Testing](https://www.artofunittesting.com): The Art of Unit Testing, 3rd Edition (Manning): readable, maintainable, trustworthy unit tests, plus TDD workshops in C#, JavaScript, Java and Kotlin.
- [5whys.com](https://www.5whys.com): Roy's writing on software team leadership: self-organizing teams, surviving chaos, learning mode and the Elastic Leadership model.
- [Pipeline Driven](https://pipelinedriven.org): Continuous delivery and DevOps practices: build patterns, pipeline-friendly testing, DevOps metrics and enterprise DevOps.
- [Elastic Leadership](https://www.elasticleadership.com): Elastic Leadership, Roy's framework for software team leaders (survival, learning and self-organizing modes).

### Social

- X: https://x.com/royosherove
- LinkedIn: https://www.linkedin.com/in/osherove/

### Contact

- Contact form: https://forms.gle/jQSx5KoXvrVA1JCK7

### License

Licensed under CC BY 4.0 — reuse, quote and adapt with attribution (Roy Osherove, link to the original page). License: https://creativecommons.org/licenses/by/4.0/