Titlebook: Improving the Quality of ABAP Code; Striving for Perfect Paul David Hardy Book 2021 Paul David Hardy 2021 SAP.ABAP Programming.Code Quality

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Why Test-Driven Development Is a Must for Code Quality,Recently, Amazon claimed that it puts a new change into its production system every 1.59 seconds with no risk at all. How can this possibly be true? It’s all to do with test-driven development (hereafter TDD).

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Clarity: The First Pillar of Code Quality,In this chapter (and the next two), you will encounter some theoretical concepts about a specific area of code quality, and then see the practical benefit of following that theory based upon a large number of real-world examples.

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User Exits: Defusing a Potential Time Bomb,Your SAP implementation probably started with the aim of being “vanilla”—i.e., having no Z code and making no changes to the way standard SAP works. In real life, things never turn out that way, and you end up with tons of Z programs and user exits all over the place that also use Z code.

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Creating Your Own Custom ATC Checks,SAP provides some fantastic tools for automated static code checking, the most prominent of which is the ATC (ABAP Test Cockpit), which is powered by the code inspector. However, there are bound to be things that any given organization needs to check that are 100 percent specific to their needs.

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978-1-4842-6710-3Paul David Hardy 2021

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Stability: The Second Pillar of Code Quality,of code quality. To recap: You are using the test-driven development (TDD) methodology and have gotten to the stage where the code appears to work (the unit test passes), and you are in the BLUE phase looking for potential problems. In this chapter, we are looking for stability problems.

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Paul David HardyBased on real-world examples rather than academic theory.Teaches why the problems are bad rather than just saying how to fix them.Covers a subject of interest to every ABAP programmer