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WeAreDevelopers LIVE • Sep 21, 2022

Dirty Tests And How To Clean Them

Gil Zilberfeld

Treating test code worse than production code guarantees a maintenance nightmare. Discover how to apply clean code principles to eliminate test smells and turn fragile tests into clear documentation.

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#1 about 2 min

Introduction to keeping test code clean

An overview of maintaining software projects and the overarching need to keep automated test environments clean.

#2 about 5 min

Why developers treat test code differently than production code

How the psychological perception of disposable test code leads to neglected code reviews and lower coding standards.

#3 about 7 min

Defining the core principles of clean code

How clean code reduces future maintenance time by optimizing readability for other developers.

#4 about 7 min

Applying key software design rules to test code

How intent, focused scoping, single responsibility, and abstraction make automated tests easier to debug.

#5 about 5 min

Identifying common code smells in testing suites

Why god classes, overly communicative names, and magic numbers indicate poor test maintainability.

#6 about 10 min

Refactoring duplicated setups and API queries in tests

Extracting common fields and resource urls directly streamlines duplicate test setups into a robust configuration.

#7 about 4 min

Simplifying large data objects with the builder pattern

How deploying builders for complex test payloads drops setup redundancy by utilizing smart defaults.

#8 about 3 min

Separating network implementation details from domain logic

How moving json serialization and http requests into a wrapper class improves overall test readability.

#9 about 3 min

Replacing obscure magic numbers with meaningful test constants

Why labeling literals ensures future developers fully grasp what differentiates specialized testing scenarios.

#10 about 4 min

Reviewing the benefits of clean test refactoring

A concise testing architecture significantly lowers ongoing software development drag by removing duplicate logic.

#11 about 3 min

Understanding the impact of hierarchical test classes

How organizing tests with base and derived classes balances common setup routines against inheritance complexity.

#12 about 3 min

Why software testing builds a strong developmental foundation

How learning test-driven development shapes the way junior developers define operational success before writing raw code.

#13 about 6 min

Navigating independent consulting and tech career growth

Practical advice regarding self-employment risks, client acquisition, and overcoming introversion across the software engineering space.

Matching moments

1:42 min

Aligning testable code with clean code principles

Annelore Egger Annelore Egger · WWC 2025

44 sec

Treating unit tests as essential development tools

Annelore Egger Annelore Egger · WWC 2025

1:18 min

Reflecting on the core motivations for writing tests

Daniel Afonso Daniel Afonso · WWC 2025

1:42 min

Recommended tools and literature for effective testing

Alexandre Borges · WWC 2023

1:41 min

Major principles for writing high quality software tests

Markus Oberlehner · LIVE

4:00 min

Adopting test-driven design as a strategic development methodology

Mirjam Aulbach · WWC 2022

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