sap testing consultant.pdf

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SAP Testing Consultant- a Career choice

Skill Set

To become a SAP tester you need following skill sets

. Testingknowledge

.

Functional knowledge of the module being tested.

Typical WorkDay

On any typical work day you will be busy understanding

requirement documents , creating test cases , executing test cases ,

reporting and re-testing bugs , attending review meetings and other team

building activities.

Career Progression

Your career progression as a software tester (QA Analyst) in typical

CMMI level 5 company will look like following but will vary from

company to company

QA Analyst(Fresher) => Sr. QA Analyst(2-3 year

experience)=> QA Team Coordinator(5-6 year experience> =>Test

Manager(8-11 experience) => Senior Test Manager (14+ experience)

How SAP Testing is more lucrative than other testing projects ?

While testing any AUT ,

1. You acquire deep functional knowledge ofthe AUT. Without sufficient knowledge of AUT

its difficult to test

2. Hone your testing skills

As with any IT company , you move from one project to another in due course of time. All the

hardwork you did to understand the functionality of AUT is obsolete in the new project. This is

typically true if you are switching projects across domains say telecom to healthcare.

In case of SAP, the functional knowledge you acquire is portable and can be used in other

projects. Suppose you are switching jobs. In your old company you were testing billing software

for Vodafone. What is the likely hood that the same project is available in your new company ?

Next to Zero.

Now consider this case. You are switching from SAP Testing project to another SAP Testing

project in new company. You instantly recognize the GUI , Transaction codes, vanilla business

workflows which is a huge advantage. You will need to learn the customizations made by the

client but still you need a deep knowledge of the software.
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The biggest advantage as SAP Tester is that due to the deep functional knowledge you

acquire, you can easily become a SAP Functional Consultant! SAP Consultants are in huge

demand & they are almost always on short supply and command premium salaries.

What is meant by SAP implementation?

Consider this scenario. Company A offers 12 annual leaves. Company B offers 20 annual leaves.

Salary must be deducted for any employee who uses 13 thor 21stannual leave for Company A & B

respectively. This information must be configured into the SAP system which is nothing but

SAP implementation and configuration.

The SAP vanilla version is powerful but not much useful until its customized and configured as

per the business policies, legal stipulations, & technical requirements of a company. This process

is called SAP implementation. It could typically take a few months to even years.

What is SAP customization?

SAP by far has the highest collection of Business Process. But sometimes your internal company

processed many not be accurately mapped using the readily available SAP business transactions.

In such cases custom code is created usingABAP.It involves code changing to create

functionality that is not available through configuration. This is nothing but customizations.

SAP customization can also be done to generate custom reports, programs, or enhancements.

What is maintenance of SAP software?

Once the SAP system is configured, customized, deployed and made live any changes

made to the SAP system is termed as Maintenance. This could include

New Feature addition to the SAP System

Bug Fixes

SAP Kernel Updates

Support Pack & Stack Updates

OSS note implementation

SAP End to End lifecycle and corresponding Testing Phases

There are multitude of methodology that can used for SAP implementation

ASAP Implementation ( For initial implementation of SAP systems , and porting from

legacy systems)
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Maintainence Lifecycle

Upgrade LifeCycle

Custom Development LifeCycle

Whatever the lifecycle you may be working, there are three main testing phases you will be

involved in

1) Test Preparation

2) Test execution phase

3) Test Evaluation phase

Test preparation phase

1.

Identification of business process to be tested

2. Manual and automated test case development

3. Creation of test suites and review

4.

Set up of test system

5.

Creation of test data

Test execution phase

1.

Test execution either manually or using test tools

2. Test status reporting and defect handling

Test evaluation phase

1.

Detailed assessment of all test plans

2. Defect Analysis

3. Documentation of the testing process

Types of Testing Applicable to SAP applications


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For SAP applications the common testing performed are:

1.

Unit Testing: This part of testing is mostly taken care by the developers based on their defined

unit testing rules as per the organizations. This is sometimes done by the skilful white box

testers. The test is done in the development box. This is the testing of interfaces, conversions,

enhancement, reports, work flows and forms(RICEWF) developed primarily with ABAP

code. Testing of development object includes testing forsecurityauthorization, ,data transfer

rules, reconciliations and batch scheduling jobs. BW (Business Warehouse) testing is also

part of the development tests.

2. Integration Testing: It is the testing of combined components of a SAP application to

determine if they function together correctly. It is typically done in the QA environment and

uses realistic test data.

3.

Regression Testing: Regression testing is done to ensure that the new changes

implemented do not adversely affect the existing working code. SAP R/3 is a tightly

integrated system. A single stack update, OSS note, transport, configuration changes, new

development interfaces can have cascading and severe effect. Regression Testing is usually

executed using automation tool by the testing team.

4. Performance Testing: It is testing SAP applications to ensure that they will perform well

under expected workload. Performance testing encompasses load , volume & stress testing to

determine system bottlenecks. The aim of this testing is to enhance robustness of SAP

applications and helps deploy systems that can sustain high load forecast, with zero post
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production performance issues. The testing includes checking business processes that may

cause stress, due to high transaction or batch volumes. It is usually executed using automated

tools & involves collaboration of basis, database, infrastructure and test teams to monitor test

results.

5.

Functional Testing: Functional testing ensures that your implementation of SAP meets your

business requirements. SAP is highly configurable system and could be easily integrated with

in-house applications or third party tools. Given this varied configuration and complexity

functional testing is a must. Functional testing removes uncertainty over business use cases

and brings quality. It includes review of design documents and creating test artifacts including

test requirements, test scenario and test cases. Functional testing is usually done by the testing

team with a background in particular SAP module being tested.

6.

User Acceptance Testing (UAT): Once functional, system and regression testing is

completed, UAT ( User Acceptance Testing) is performed. It ensures that the SAP system is

usable for the end users of the system. The end users independently execute the user

acceptance test cases that includes testing business processes, functions, documentation

(operating manuals, cheat sheets) etc. With UAT users can feel comfortable with the new

business environment and can take full ownership of the system.

7.

Security Testing: To ensure the safety of SAP applications, security testing is performed.

High risk areaslikesap-portal security, network security, operational security, product security,

access control and source code audit for security are tested. This is usually involves the basis,

database, infrastructure, development and test teams.8. Portal Testing: These techniques involve testing the SAP Portals on different browser and

checking business processes

How to create a SAP Test Case

Lets design a test case to change the Name of an employee in SAP system

To create an effective test case, you must

Determine SAP role required to execute the test case

Identify the SAP transaction that needs to be executed for the test case

Test Data required executing the test case. Determine whether the data needs to be created or

whether it used by another tester or whether the data is locked & cannot be modified.

Any Pre-requisites

Peer review Test cases

Create positive as well negative scenarios

Create detailed Test Steps.

Test coverage should be robust


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Document defects in timely manner which is as soon as they are discovered.

Refer this video, for a guideline on how to change SAP Infotype

The test case designed for this is as follows -

Important Note

SAP is a humungous system with endless variations. Its neither feasible nor cost-effective to

check all possible variations and combinations of test parameter inputs in SAP system.

As in above example , a tester could have verified change in Last Name, Date of Birth, Address,

Pin Code, City , State, Country, change in permanent , temporary, work address etc.

A Tester needs to adopt strategies reduce the number of test cases without sacrificing coverage.

Examples of such strategies include boundary value analysis, equivalence partitioning &

orthogonal arrays.

Automated Testing of SAP Applications

Testing is a huge challenge for colossal system like SAP. As per recent study by ASUG, Over

86% customers are concerned about risks due to lack of comprehensive testing.


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Automation has following benefits for SAP applications

1. The chief and most valuable benefit is improved test coverage

2.

Better product quality and therefore less production outages. Outages in SAP productions

environments could cost a company millions!

3. Workload decreases with each release cycle

Automation Tools

The methodology and approaches are more important than the chosen test tool. When you think

about testing SAP application, some tools comes in mind naturally likeSAP TAO,eCATT,QTP

etc.

ECATT ( Extended Computer Aided Test Tool)

ECATT is used to create and execute functional tests for SAP. ECATT is an in-built tool that

comes bundled with SAP with a primary objective of automated testing of SAP business

processes.

ECATT useful features
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1. Test transactions, reports and scenarios

2.

Call BAPIs and function modules

3. Test remote systems

4. Check Authorizations (user profiles)

5.

Test updates

6. Test the effect of changes to customizing settings

7.

Check system messages

QTP ( Quick Test Professional Tool)

HPs QuickTest is a keyword driven automation tool. It supports many environments including

SAP. The tool is robust, feature rich and user-friendly. Its market leader in automation tool

commanding major market share. Its a commercial tool with excellent vendor support. Its a tool

of choice for SAP automation.

SAP TAO

SAP released the automation tool SAP TAO in collaboration with Focus Frame(now acquired by

Hexaware).

SAP TAO wraps up QTP and QC where QTP acts as execution engine and test scenarios are

created and driven from QC through business components. SAP TAO automates generation of

test components for end to end scenarios. SAP TAO and HPQC setup do have some benefits

compare to other testing tool there is a huge corporate support for both HP and SAP software

products.

SAP TAO client application performs three functions, inspecting transactions from a SAP

server, exporting the transactions to HP Quality Center and consolidating components or

scripts from HP Quality Center.

Performance Testing of SAP Application

Performance testing of SAP applications is done to check its speed, scalability and

stability. Performance Testing SAP helps with

Conform with service-level agreements (SLAs).

Optimize software configuration settings.

Reduce overspending on hardware

Certify that the system will not crash or fail during seasonal high load and help avoid

correspondingfinanciallosses.
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Events that Trigger Perf ormance Test

Choice of Performance testing tool for SAP depends on the underlying SAP application being

tested. Below is a list of SAP performance test tools and their application areas

1.

Open source/ Free

Jmeter- (Performance Test SAP Business Obects BI Platform)

Open STA (Performance Test SAP Portals)

2.

Commercial
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Load Runner (Performance Test SAP ECC amongst other SAP applications)

recommended by SAP

IBM Rational Robot (Can test wide variety of SAP applications)

Conclusion

SAP testing offers tremendous career opportunities for QA enthusiasts. Its a relatively easy way

to break into the highly regarded SAP Consultant arena.

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