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Software Architecture with Kotlin

Software Architecture with Kotlin

By : Jason (Tsz Shun) Chow
4.3 (3)
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Software Architecture with Kotlin

Software Architecture with Kotlin

4.3 (3)
By: Jason (Tsz Shun) Chow

Overview of this book

Software Architecture with Kotlin explores the various styles of software architecture with a focus on using the Kotlin programming language. The author draws on their 20+ years of industry experience in developing large-scale enterprise distributed systems to help you grasp the principles, practices, and patterns that shape the architectural landscape of modern software systems. The book establishes a strong foundation in software architecture, explaining key concepts such as architectural qualities and principles, before teaching you how architectural decisions impact the quality of a system, such as scalability, reliability, and extendability. The chapters address modern architecture topics such as microservices, serverless, and event-driven architectures, providing insights into the challenges and trade-offs involved in adopting these architectural styles. You’ll also discover practical tools that’ll help you make informed decisions and mitigate risks. All architectural patterns in this book are demonstrated using Kotlin. By the end of this book, you’ll have gained practical expertise by using real-world examples, along with a solid understanding of Kotlin, to become a more proficient and impactful software architect.
Table of Contents (18 chapters)
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Testing pyramid

The testing pyramid is a conceptual framework in which various levels of tests in software development emerge as a hierarchical structure. This concept was made popular by Martin Fowler in 2009 in his The Testing Pyramid article. The testing pyramid is illustrated in Figure 13.2:

Figure 13.2 – Testing pyramid

Figure 13.2 – Testing pyramid

In this section, we’ll explore all the levels of the testing pyramid.

Unit testing

The bottom level of the pyramid is unit testing. Unit tests are the foundation of the testing pyramid. They focus on the smallest building blocks that can be tested in isolation. They often test the behaviors of functions, and they are executed as a part of the local project build.

Unit tests are comparatively easy to write and execute due to their small size and scope. Unit tests can be run inside the Integrated Development Environment (IDE), which provides the quickest feedback loop. Bugs can be found and reported by unit tests...

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