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Software Performance Testing - Application Performance Testing

Test Application – Benefits of Application Testing

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Test Application – Application Performance Testing can lead to significant reductions in Total Cost of ownership for many organisations.

Test Application

 The benefits of Application Performance testing can be summarized as:
  • Performant business applications that support the business process in terms of responsiveness and timing
  • Applications that use fewer system resources thereby prolonging current hardware investment.
  • Cost avoidance by mitigating the need to purchase additional memory, CPU and disk space
  • Studies show that user perception of slow applications is major constraint to their day to day use, adoption and take up.
  • Optimised code layout and structures that improves the maintainability and of applications
  • Reductions and support cost avoidance stemming from fewer support issues logged and need to allocate resources to investigate poor application performance.
  •  Web applications may also benefit from improved Search Engine ranking given that one of Google’s, Bing and Baidu Search Engine

test application

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Test Tool and Test Automation Product Review Comparison

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Selenium

Selenium is a portable software testing framework for web applications. Selenium provides a record/playback tool for authoring tests without learning a test scripting language (Selenium IDE). It also provides a test domain-specific language (Selenese) to write tests in a number of popular programming languages, including C#, Java, Groovy, Perl, PHP, Python and Ruby. The tests can then be run against most modern web browsers. Selenium deploys on Windows, Linux, and Macintosh platforms.

Cucumber

Cucumber is a tool for running automated acceptance tests written in a behavior driven development (BDD) style. Cucumber is written in the Ruby programming language. Cucumber projects are available for other platforms beyond Ruby. Some use Ruby Cucumber with a bridge into the target language (e.g. cuke4php and cuke4lua). Others use the Gherkin parser but implement everything else in the target language.[ Cucumber allows the execution of feature documentation written in business-facing text.

Microsoft Application Center Test (ACT)

Microsoft Application Center Test (ACT) is a Microsoft load testing tool for web servers, focused on ASP.NET. It simulates numerous HTTP sessions from one machine. Using a bank of multiple computers, all firing off repeated HTTP requests, a significant load can be simulated. Tests can be written in either of the Microsoft scripting languages: VBScript and JScript. The tool can also be used for functional testing, although that is not what it is designed for. It also contains a recording function to create test cases without having to program them in.Application Center Test was bundled with Visual Studio .NET 2003 Enterprise Architect and Enterprise Developer editions. Its main competitor is HP LoadRunner.Application Center Test has been replaced with more powerful enterprise web application stress testing tools in Visual Studio 2005, specifically the Visual Studio 2005 Team Edition for Software Testers.

HP QuickTest Professional software

HP QuickTest Professional software provides functional and regression test automation for software applications and environments. HP QuickTest Professional can be used for enterprise quality assurance. HP QuickTest Professional supports keyword and scripting interfaces and features a graphical user interface.  It uses the Visual Basic Scripting Edition (VBScript) scripting language to specify a test procedure, and to manipulate the objects and controls of the application under test.HP QuickTest Professional was originally written by Mercury Interactive.[ Mercury Interactive was subsequently acquired by Hewlett Packard (HP) in 2006. HP QuickTest Professional 11 is currently available from HP Software Division.

TOSCA Testsuite

TOSCA Testsuite is a software tool for the automated execution of functional and regression software testing. In addition to test automation functions, TOSCA includes integrated test management, a graphical user interface (GUI), a command line interface (CLI) and an application programming interface (API). TOSCA Testsuite is developed by the Austrian software company TRICENTIS Technology & Consulting GmbH based in Vienna.

IBM Rational Functional Tester

IBM Rational Functional Tester is a tool for automated testing of software applications from the Rational Software division of IBM. It allows users to create tests that mimic the actions and assessments of a human tester.[1] It is primarily used by Software Quality Assurance teams to perform automated regression testing.

IBM Rational Functional Tester is software test automation tool used by quality assurance teams to perform automated regression testing. Testers create scripts by using a test recorder which captures a user’s actions against their application under test. The recording mechanism creates a test script from the actions. The test script is produced as either a Java or Visual Basic.net application, and with the release of version 8.1, is represented as a series of screen shots that form a visual storyboard. Testers can edit the script using standard commands and syntax of these languages, or by acting against the screen shots in the storyboard.. Test scripts can then be executed by Rational Functional Tester to validate application functionality. Typically, test scripts are run in a batch mode where several scripts are grouped together and run unattended.

During the recording phase, the user must introduce verification points. Verification points capture an expected system state, such as a specific value in a field, or a given property of an object, such as enabled or disabled. During playback, any discrepancies between the baseline captured during recording and the actual result achieved during playback are noted in the Rational Functional Tester log. The tester can then review the log to determine if an actual software bug was discovered.

MicroFocus SilkTest

MicroFocus SilkTest is a tool for automated function and regression testing of enterprise applications. It was originally developed by Segue Software which was acquired by Borland in 2006. Borland was acquired by Micro Focus International in 2009.

SilkTest offers:

SilkTest Classic uses the domain specific 4Test language for automation scripting. It is an object oriented language similar to C++. It uses the concepts of classes, objects, and inheritance.

Silk4J allows to do automation in Eclipse using Java as scripting language

Silk4Net allows the same in Visual Studio using VB or C#

SilkTest Workbench allows automation testing on a visual level (similar to former TestPartner) as well as using VB.Net as scripting language

MicroFocus Silk TestPartner

MicroFocus Silk TestPartner is a GUI software testing tool from Micro Focus that is intended to enable software development project teams to functionally automate and test application Graphical User Interfaces, with the goal of being able to accomplish more application testing in a given amount of time than could be performed manually. On 6 May 2009, Micro Focus announced the purchase of the Quality Solutions part of Compuware which included TestPartner.

Test Partner provides the following benefits:

Easy to understand – Visual test creation and result analysis give the user intuitive insights

Easy to use – No coding required so any business users can create automated tests

Accelerate testing – software testers keep up with the pace of development, quality no longer a bottleneck.

Test Automation Product Recommendation:

Our personal recommendation is that the TOSCA Testsuite product offers the best mix of functional and non functional attributes.

 

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TOSCA Testsuite

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TOSCA Testsuite is a software tool for the automated execution of functional and regression software testing. In addition to test automation functions, TOSCA includes integrated test management, a graphical user interface (GUI), a command line interface (CLI) and an application programming interface (API). TOSCA Testsuite is developed by the Austrian software company TRICENTIS Technology & Consulting GmbH based in Vienna.

The objectives and benefits of implementing a product such as TOSCA Testsuite would be to improve efficiencies by supporting:

 

  • Test Requirement traceability back to the business requirement
  • A central repository for test cases and test scripts
  • Cross systems and integration testing
  • Test automation with quickly adaptable / maintainable scripting
  • Defect Management through the integration with a defect management product (e.g.  JIRA), that allows defects to be assigned to project team members
  • The introduction of standardised test methods
  • Workflow management through the integration with TFS
  • Test Reporting including Test scripts execution and defect reporting

 

By adopting and implementing TOSCA an organisation will likely move upwards through the Test Maturity Levels.

Whilst it is important to recognise the significant advantages that Test Automation can bring to an organisation, it should not be considered to be a panacea which will solve all testing problems.  In order to adopt test automation as part of the testing process (in addition to necessary manual effort) an organisation must recognise the following points:

  • The organisation must have a mature testing process and testing capability in place.  Automation can only replace a current manual activity.
  • Automation requires significant investment in appropriate tools and the development and ongoing maintenance of automated test packs.
  • Automation is not suited to areas which are subject to volatile change.
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Software Performance Testing

Software performance testing helps prevent performance problems by detecting bottlenecks before a system deployment or upgrade. Performance testing software helps you test a broad range of applications, including Web 2.0, ERP/CRM, and legacy applications to helps identify and reduce performance bottlenecks and obtain an accurate picture of end-to-end system performance before going live, so you can verify that applications meet specified application performance testing requirements and avoid issues in production.

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Hardware Performance Testing

The purpose of Hardware performance testing is to ensure that the underlying infrastructure is able to support the load and volumes that the application layer requests.

With many companies adopting a multi-layer architecture model, cloud computing and Software as a service it is vital to ensure that the hardware can provide adequate user experience.

Hardware performance testing  will help you understand key infrastructure bottlenecks and constraints.

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