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Automated unit testing with ABAP [electronic resource] : a practical approach / James E. McDonough.

McDonough, James E.
2021
QA76.76.T48
Available Online
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Title
Automated unit testing with ABAP [electronic resource] : a practical approach / James E. McDonough.
Author
McDonough, James E.
ISBN
9781484269510 (electronic bk.)
1484269519 (electronic bk.)
9781484269503
1484269500
DOI
https://doi.org/10.1007/978-1-4842-6951-0
Published
Berkeley, CA : Apress, 2021.
Language
English
Description
1 online resource (395 pages)
Item Number
10.1007/978-1-4842-6951-0 doi
Call Number
QA76.76.T48
Dewey Decimal Classification
005.1/4
Summary
Write automated unit tests for the ABAP language. This book teaches programmers using simple examples and metaphors and explains the underlying concepts of writing effective automated unit tests. Many, if not most, ABAP programmers learned their programming and testing skills before the ABAP development environment provided an automated unit testing facility. Automated Unit Testing with ABAP: A Practical Approach offers hope and salvation to ABAP programmers who continue to toil with antiquated manual unit testing processes, taking them by the hand and lifting them out of that dungeon of despair with a modern and proven alternative. It begins by explaining how the xUnit family of automated testing frameworks provides a quick and effective means of insuring high-quality software. It then focuses on the ABAP Unit Testing Facility, the xUnit framework applicable specifically to the ABAP language, showing how it can be used to bring ABAP applications under automated testing control, from old legacy applications to those newly written. Whereas xUnit testing has been widely accepted with developers writing in many other programming languages, it is an unfortunate fact in the ABAP community that many programmers still are unfamiliar with xUnit concepts and do not know how to begin implementing automated unit testing into their development process. This book demonstrates how to refactor programs so they become designed for testability, showing how to use process encapsulation and test isolation to facilitate automated testing, including a thorough explanation of test-driven development and the use of test doubles. The book: Shows how to write automated unit tests for ABAP Instills ABAP programmers with the confidence to refactor poorly written code Explains how an automated testing harness facilitates rapid software development Teaches how to utilize test-driven development (TDD) with ABAP Offers advice and tips on the best ways to write automated unit tests You will: Become familiar with the xUnit approach to testing Know the ABAP statements that interfere with running automated unit tests and how to accommodate them Understand what it means to isolate code for testing and how this is achieved Gain the confidence to refactor poorly written code Make ABAP programs designed for testability Reap the benefits of spending less time manually unit testing ABAP programs Use test-driven development (TDD) with ABAP programming Use configurable test doubles in ABAP.
Note
Changing the Production Path to Enable Automated Testing.
Includes index.
Access Note
Access limited to authorized users.
Source of Description
Description based on print version record.
Available in Other Form
Automated Unit Testing with ABAP.
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Intro
Table of Contents
About the Author
About the Technical Reviewer
Acknowledgments
Chapter 1: Introduction
For Whom This Book Is Applicable
How This Book Should Be Used
Why This Book Was Written
Credentials of the Author
Summary
Chapter 2: Preparing to Take the First Step
Road Map to Automated Unit Testing
Where We Are Now
Where We Are Going
Why We Are Going There
How We Are Going to Get There
Legacy Code
Calisthenics
Summary
Chapter 3: Software Quality
The Quality of Software
Assessing Software Quality
Summary

Chapter 4: The Origins of Automated Unit Testing
In the Beginning ...
The Emergence of xUnit
Features of xUnit
Phases of xUnit Tests
Writing xUnit Tests
Advantages of xUnit Tests
Summary
Quiz #1: xUnit Concepts
Multiple Choice: Select the Best Answer
True or False
Chapter 5: Automated Unit Testing with ABAP
ABAP Unit
The ABAP Unit Testing Framework
Requirements for Writing ABAP Unit Tests
Types of Components Applicable to Unit Testing
Testable ABAP Modularization Units
Automatic Generation of ABAP Unit Test Classes

ABAP Language Statements Related to Unit Testing
Writing an ABAP Unit Test
Using Fixture Methods
Invoking the Services of the ABAP Unit Testing Framework
ABAP Unit Test Runner
Unit Test Results Report
Initiating ABAP Unit Test Execution
Initiating Unit Tests from Within an ABAP Editor
Initiating Unit Tests from Outside an ABAP Editor
Evolution of the ABAP Unit Testing Framework
Challenges to Effectively Testing ABAP Code
Challenges Presented by Classic ABAP Event Blocks
Challenges Presented by Global Variables
Challenges Presented by the MESSAGE Statement

Challenges Presented by ALV Reports
Challenges Presented by Classic List Processing Statements
Challenges Presented by Open SQL Statements
Controlling the ABAP Unit Testing Framework
Client Category
Client Category Override
Unit Testing Configuration
Client Settings
Application Server Settings
Summary
Quiz #2: ABAP Unit Testing Concepts
Multiple Choice: Select the Best Answer
True or False
Chapter 6: Rudiments
Introducing a Simple Unit Test
Expanding Unit Test Coverage
Implementing Unit Tests for Function Modules

Implementing Unit Tests for Global Classes
ABAP Statements and Features Affecting Automated Unit Testing
Exploring the Effects of the MESSAGE Statement
Exploring the Effects of ALV Reports
Exploring the Effects of Classic List Processing Statements
How Automated Unit Testing Enables Confident Refactoring
Diagnosing the Absence of Sufficient Test Data
Creating and Using Fabricated Test Data
Gaining Control Over References to Modifiable Global Variables Within Subroutines
Summary
Chapter 7: Design for Testability

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