Quality is delighting customers
How do you go about testing a web application?
We are doing web applications in my project. Please answer my question.
Replies to This Discussion
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Permalink Reply by Sailaja Kiran on
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Perform the following testings:
1. Documentation Testing
2. Functionality Testing
3. Configuration Testing
4. Compatibility Testing
5. Peformance Testing
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Permalink Reply by raja on
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Web Application Testing
The usage of the World Wide Web for transaction processing is a recent phenomenon. To that extent web application testing is a relatively new area.
Although web application testing does have a lot in common with client/server applications, there are unique considerations that affect the focus of testing strategy.
What to Test
All components of a Web application on both the client and server side should be completely tested. This may not be always possible given the varied target audience and platforms that a web applications addresses.
In this case, the best approach is to examine the project’s requirements, set priorities based on risk analysis, and then determine where to focus testing efforts within budget and schedule constraints.
Requirements
Web applications are typically more graphics oriented than standard software applications, and this, along with multimedia functionality, will need to be considered in terms of requirements specifications for page layouts, appearance, site-specific standards etc. Database –driven applications will merit particular focus on performance requirements such as response times at various load levels and rate of error-free interactions per unit time.
Risk Analysis
Database driven web applications can involve complex interactions among Web browsers, operating systems, plug-in applications, communications protocols, Web servers, databases, applications server, security enhancements, and firewalls. Such complexity makes it impossible to test every possible dependency and everything that could go wrong with this site. Since the typical web application development project also will be on an aggressive schedule, the best testing approach will employ risk analysis to determine where to focus testing efforts. Risk analysis should include considerations of how closely the test environment will match the real production environment. Will the test scenarios be able to closely mimic communications, hardware, clients, loads, data and so on? Other considerations in risk analysis include:·
Which functionality in the Web application is most critical to its purpose?·
Which is function is most likely to be the most frequently used or the sequence of steps to be most frequently performed?·
What type of areas could possible cause the most complaints or bad publicity?·
What parts of the application pose the maximum security risk?
Types of Testing
The following are the different types of testing that are used for various Web applications. These aspects should be considered while planning for Unit, integration and system testing wherever applicable. Existing testing related checklists/templates in QSD could be enhanced to address these additional requirements.
S.No Type of Testing Description
1. Validation or Functional Testing This is typically the core aspect of testing to determine that the Web application functions correctly as per the requirement specifications.
2. Unit and Integration Testing Unit testing of code modules, objects or discreet applications functions is a standard part of testing any distributed application; integration testing may be needed to determine if various modules, interfaces and other applications work together properly.
3. HTML Validation The need for this type of testing will be determined by the intended audience, the type of browser(s), use of standards such as JavaScripts, whether your site delivers pages based on browser type or target a common denominator, and how strictly you want to adhere to HTML standards.
4. Link Testing This type of testing determines if your site’s links to internal and external Web pages are working. A Web site with many links to outside sites will need regularly scheduled link testing, because Web sites come and go and URL’s change. Sites with many internal links (such as enterprise wide Intranet, which may have thousands of internal links) may also require frequent link testing.
5. Usability Testing Is your intended audience the general Internet public? In–house Intranet users? Computer experts? The intended audience will determine the “usability “ testing needs of the Web application. Additionally, such testing should take into account the current state of the Web and Web culture, because these will influence user expectations (for example, Web site navigation is expected to be extremely intuitive –Web users do not expect to read manuals or help files).
6. Load Testing Will there be a large number of interactions per unit time on the Web site? If so you may want to perform testing under a range of loads to determine at what point your system’s response time degrades or fails. The hardware and software chosen for the application and the design could have an impact on the same.
7. Stress Testing This refers to testing system functionality while the system is under unusually heavy or peak load; its similar to the validation testing mentioned previously but is carried out in a “high stress” environment. This requires that you make some predictions based on the expected load levels of the Web application.
8. Reliability and Recovery Testing If 24 X 7 uninterrupted availability is required, and depending on how critical the Web site is to the business, simulation of different “emergency” situations may be required to ensure that the production system can handle it successfully.
9. Security Testing If the site requires firewalls, encryption, user authentication, financial transactions or access to databases with sensitive data, there may be a need to test these and also test the site’s overall protection against unauthorized internal or external access.
10. Regression Testing If the iterative approach is adopted for development, there is a continuous need to retest the application that was initially developed and the code that was reworked to accommodate changes and bug fixes.
11. Server Log / Report Testing Web sites that use advertising and track site usage for marketing needs may need extensive testing to ensure the accuracy of the logging and reporting capabilities.
Testing Requirements
Components of a Web Application Unit Testing and Integration Testing A unit is one component of a system. Integration testing refers to integrating different components together. If different developers are developing the different components such as front end, middle tier and back-end, each should be considered a unit and tested and integration testing would involve testing the interfaces between these components.
Front END Middle Tier Backend
FUNCTIONAL TESTING Required in all cases, could also include random testing other than unit and integration testing Required in all cases, could also include random testing other than unit and integration testing Required in all cases, could also include random testing other than unit and integration testing
HTML VALIDATION It might not be possible to carry out all possible validations of the client environments. Risk analysis should be done and based on this, what to test should be decided and tested NA NA
LINK TESTING This is very essential on large web sites that encounter a lot of changes; to ensure that links are not outdated or inaccessible NA NA
USABILITY TESTING This is required if any special set of users is targeted. Otherwise these inputs will occur as part of the first deployed iteration NA NA
LOAD TESTING NA Very essential when expecting number of hits > 200 per hour Essential when database is suspect of handling large number of requests
STRESS TESTING NA Essential when reliability is important Essential when reliability is important
RELIABILITY & RECOVERY TESTING NA Very essential when 24X7 up time is envisaged NA
SECURITY TESTING Can be used to check user authentication and authorization Used to check firewall scenarios Used to check access to database in a secure environment
REGRESSION TESTING Necessary after the first iteration to ensure that the older functionality has not broken in the process of making changes or bug fixes Necessary after the first iteration to ensure that the older functionality has not broken in the process of making changes or bug fixes Necessary after the first iteration to ensure that the older functionality has not broken in the process of making changes or bug fixes
Required Testing Tools
Mercury Interactive has come out with a suite of tools for testing Web applications, called Astra SiteTest. But this is still in its first release and not quite stable as yet. (Refer http://www.merc-int.com). The other tools that could be used are Mercury Interactive’s LoadRunner, SunTest Suite of testing tools (Refer http://www.suntest.com.), SilkTest from Segue (Refer http://www.segue.com.). Details of some other tools like parallel testing tool, Purify (for memory leakages) or RELACS are available in Tools repository on QD homepage.
Testing Process
For every application that is to be tested carry out the following steps.
Step 1: Test Planning
Prepare Test Plan· Define test objectives · Identify environmental needs· Define the test tools, if any to be used· Identify test team members · Assess risks · Define critical success factors · Write test cases· Determine sequence/integration procedure· Define test stop and resume criteria, example if 20 errors are found or when all the test cases have been run through or if more than 3 show stopper defects are found etc.· Define the number of test cycles to be carried out, example 2 complete test cycles must be carried out to certify the system.· Review test plan
Step 2: Test Execution
Setup test environment· Identify Test Server (Dedicated server would be good)· Setup restorable Test Data· Setup applicable test tools Set up Configuration Mgmt process for test environmental assets such as · Web applications· Test data· Test scripts· System configuration files Ensure that test environment accurately represents user platforms such as · Browsers· Operating systems· Hardware Do test execution & include the following:· Unit Testing· Integration testing· System testing· User acceptance testing
Step 3: Test Evaluation
Review test resultsDefine how defects are to be classified.Setup criteria in place to prioritize /evaluate defects
SDLC Phase Test Plan Produced Test Plan Executed
Analysis System Test Plan
Analysis Regression Test Plan
System Design Integration Test Plan
Detailed Design Unit Test Plan
Construction Unit Test Plan
Construction Integration Test Plan
Test System Test Plan
Production/Maintenance Regression test Plan
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Permalink Reply by Hitesh Shah on
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Hi Raja , This is really very nice comment on web application . I am testing web application also(using flex and J2EE) . I want to about Security Testing. In our project need security testing regarding to firewalls, encryption, user authentication, financial transactions. can you explain with example ?
How to use HTML VALIDATION ?
Please reply me .
Thanks in advance
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Permalink Reply by Rajesh Kumar on
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For Web Application testing you have to do the following Types of testing :
1) Functionality Testing
2) Compatibility Testing
3) User Interface Testing
4) Performance Testing
5) Security Testing
6) URL Testing
7) Interface Testing
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Permalink Reply by Sudha Rani on
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I just want to to add out the missed out testing types:
1. Endurance testing
2. Cookies testing
3. User Acceptance testing
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Permalink Reply by Shakthi on
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how we will do Cookies testing and endurance testing?could say with few examples ?thanks in advance
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Cookies Testing:
Method 1:
A cookie is a message given to a Web browser by a Web server. The browser stores the message in a text file. The message is then sent back to the server each time the browser requests a page from the server.
1. Login to the application by giving the user name and password and check the 'Remember me' option.
2. In IE, ToolsInternet OptionsGeneralSettingsView Filesa text document named cookie. The user name and the password will be saved as a text document. Check whether the password gets stored in encrypted form
Where cookies get stored:
When any web page application writes cookie it get saved in a text file on user hard disk drive. The path where the cookies get stored depends on the browser.
Method 2:
Enable the cookies (In IE, ToolsInternet optionsPrivacy AdvancedCheck ‘Override automatic cookie’) and then login to the application. Then disable the cookies (In IE, ToolsInternet optionsPrivacy AdvancedUnCheck ‘Override automatic cookie’) click on any tab. The application should log off.
Endurance testing:
Endurance testing is also known as Soak testing. The testing done to check the problems that occur due to prolonged execution of the application in a system. By giving the load and execute the application for a long time in Load Runner
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Permalink Reply by Mahesh Dhule on
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Hi Sudha Rani,
Thanks a lot for urs Valuable needful information about cookies....
Please i want to know more about Cookies for web application ..Please if you have any more doc or any thing else for real-time ... please send me or post over here .....
--Mahesh Dhule
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Permalink Reply by ILIAZ on
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Hi Lisa,
Have a look on my latest blog "Basic Guidelines and Checklist for Website Testing". I hope this will be very useful to you on web application testing
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Hi Friends,
Lot of peoples are asking about web testing concepts and cookie testing concepts in this discussions.
Recently I posted two articles on the same.
1. "Basic Guidelines and Checklist for Website Testing".
2. "Cookie Testing Concepts".
I hope these two Blog articles are very useful in web application testing.
If I am wrong any where please correct me.
If you want more information on web testing, let me know I may try to help you.
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Permalink Reply by Priti Gaikwad on
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Hello,
Looking to test your web application or want’s to run web application testing for your new project, then here is the best solution to test your web or mobile application testing.
Here I would like to introduce some best web application testing practices of 2020 which help you to achieve your success.
Top Website Testing Practices
- Mix Up Exploratory Testing with Traditional Techniques
- Include Third-party Applications, Extensions, and Plugins in Testing
- Cross-Browser Compatibility Testing
- Collaborate with the Development Team
- Never Underestimate Sanity Testing
- Think like a Hacker
- Select the Ideal Parameters for Usability Testing
if you want more details about how to test web applications manually than please visit here: How to Test Web Applications Manually
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