Unit Tests code duplication?

Is duplicated code more tolerable in unit tests? - Stack Overflow

It seems there is a trade-off between tests' readability and maintainability. If I leave duplicated code in unit tests, they're more readable.

Is it OK to repeat code for unit tests?

I'd add that repetition in test code makes it harder for maintainers to understand the structure of tests, and to add new tests. In the two ...

3 Patterns for Reducing Duplication in Your Unit Tests - Medium

Excessive duplication is indicative of test code that is lacking structure. Developers write tests by finding a similar test from which to copy- ...

Code duplication in unit tests - Evgenii

Code duplication in unit tests is not only acceptable but desirable. This is not a dogma or absolute truth. Here I am only sharing what usually works for me ...

When Code Duplication Is Acceptable | HackerNoon

If a bug in that unit makes one test break, then there's no need to cover it again in the Production Code for other places that are using it.

How to reduce duplicate code and improve your tests with factory ...

Besides that, a lot of duplicate arrange / setup code starts to appear, especially when the parameters of the constructor increase. This can ...

Don't duplicate logic in Asserts: The most common mistake on unit ...

When writing unit tests, don't copy ... If we bring the tested logic to private methods in our tests, we will have code and bugs in two places.

Prevent code duplication when writing unit tests with Jest .each

In this article, I show you how to prevent code duplication when writing unit tests with Jest .each API method. It makes your test cases ...

Refactoring duplicate code into separate function when unit testing

I was wondering if it's advisable when doing unit testing to factor out any code that's duplicated across the different tests to a helper function of sorts.

rethink unit test style to remove duplication - OpenMRS Talk

Hi there! I was so getting used to the OpenMRS unit test style that I didnt see this until someone told me that we have duplication in our ...

Refactor tests to reduce duplication · Issue #42 - GitHub

At the moment, for both provider and consumer, the tests have the test methods and sample code duplicated 2-4 times ... unit-testing/3 ...

Why duplication is more acceptable in tests - Code with Jason

The “rule of three” for example says to tolerate code that's duplicated twice, but clean it up once the duplication reaches three instances.

How do you organize your test code into modules, classes, and ...

Test code duplication is a common problem that can make your unit tests harder to maintain, read, and debug. In this article, you will learn ...

Test Code Duplication at XUnitPatterns.com

When the Test Code Duplication is fixture setup logic, we end up with Creation Methods (page X) or Finder Methods (see Test Utility Method). When the logic is ...

Using @ParameterizedTest to reduce duplicate unit tests | by Monja

We sometimes duplicate many unit tests just because the test data is slightly different. As a result, we have hundreds of unit tests that ...

Duplicate unit tests - Visual Studio Developer Community

I have a project with a file containing unit tests. Lately, I have started getting a problem where Test explorer shows duplicate names of my unit tests.

Duplication over Abstraction in Unit Tests | David Adamo Jr.

On a scale from duplication to abstraction, your code and its corresponding unit tests should almost never be on the same level. Unit tests ...

Why practicing DRY in tests is bad for you - DEV Community

What the previous sentence means in code is that tests tend to have a lot of repetitive and duplicated code to them, this is where the DRY ...

Use pytest fixtures to reduce duplicated code across unit tests

Learn how to create the instance of the class one time as a fixture and reuse that object across all your tests. This results in faster tests, eliminates ...

Refactor code duplication in user handling of backend unit tests [1]

Problem Description A lot of unit tests always create the same types of users, duplicating a lot of code. Imports and formatting of quite a ...