What is Software Testing?

The process of exercising software to verify that it satisfies specified requirements and to detect errors. The process of analyzing a software item to detect the differences between existing and required conditions (that is, bugs), and to evaluate the features of the software item. The process of operating a system or component under specified conditions, observing or recording the results, and making an evaluation of some aspect of the system or component.
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Disadvantages of Manual Testing

  • Manual tests can be very time consuming
  • For every release you must rerun the same set of tests which can be time consuming.
  • Requires heavy investment.
  • Requires more number of human resources

Automation

Automation Testing: Testing which is done by any other third party tool.
Test automation is the use of software to control the execution of tests, the comparison of actual outcomes to predicted outcomes, the setting up of test preconditions, and other test control and test reporting functions. Commonly, test automation involves automating a manual process already in place that uses a formalized testing process.

Advantages:

Reliable: Tests perform precisely the same operations each time they are run, thereby eliminating human error
Repeatable: You can test how the software reacts under repeated execution of the same operations. Programmable: You can program sophisticated tests that bring out hidden information from the application.
Comprehensive: You can build a suite of tests that covers every feature in your application.
Reusable: You can reuse tests on different versions of an application, even if the user interfaces changes.
Better Quality Software: Because you can run more tests in less time with fewer resources
Fast: Automated Tools run tests significantly faster than human users.
Cost Reduction: As the number of resources for regression test are reduced.
Reporting: Customized reporting of application defects.

Disadvantages of Automation Testing

Proficiency is required to write the automation test scripts.
Debugging the test script is major issue. If any error is present in the test script, sometimes it may lead to deadly consequences.
 Test maintenance is costly in case of playback methods. Even though a minor change occurs in the GUI, the test script has to be rerecorded or replaced by a new test script.
 Maintenance of test data files is difficult, if the test script tests more screens.

Functional Testing tools

Functional Testing Tools
Open Source Commercial
Selenium-1.0QTP
Web driver 2.0Test Partner
SahiTest complete
Bad BoyRFT
RubySilk
Watir

1.6   Selenium vs. QTP

Selenium QTP
Open sourcePaid tool
Works on all OS (Windows, OS X, Linux, Solaris)Works on Windows
Tests only Web applicationsTests web and desktop applications
Works on almost all browsers(IE, Firefox, Safari, Opera)Works on Firefox 3.5.x and IE
Code can be made in any one of languages such as Java, C#, Ruby, Python, pearl, php etcVB Script
Html ID, Xpath, CSS, DOM, Link textObject properties, Repository objects
There is no option, can record script in Selenium IDE, can spy objects using IE developer tool bar, Firebug and also using http://saucelabs.com/builderGUI Spy
IDE sometimes does not record some eventsRecording is a little reliable
Set of Libraries, around 20MB (Need to include other supporting software)Around 1.5GB
Saucelabs.com, Element34 , Commercial SupportFrom HP

MORE TAGS:

Software Testing Course in Bangalore | Automation Testing Training in Bangalore | Selenium Software Training in Bangalore | Java Selenium Automation Training in Bangalore | Selenium Training Institutes in Bangalore | Best Selenium Training Institute in Bangalore


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