Representing a collection as a Value Object

I was reviewing the list of topic ideas lately and found this question in the discussion to my DDD in Practice Pluralsight course. While I answered it – somewhat briefly – in the discussion thread, I think it’s worth a separate detailed blog post. The question itself goes like this: “Can you have a collection of Value Objects abstracted as a Value Object itself?” Or, in other words, can you represent a collection as a Value Object?

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Pragmatic integration testing

The topic described in this article is part of my Unit Testing Pluralsight course.

When trying to break down unit testing, the bigger picture stays incomplete if you overlook the subject of integration testing. In this post, we’ll discuss how to make the most out of your integration tests with pragmatic integration testing.

Integration tests are tests that, unlike unit tests, work with some of the volatile dependencies directly (usually with the database and the file system). They can potentially interfere with each other through those dependencies and thus cannot run in parallel.

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