Introduction Of Software Testing

Software Testing :

  • Software : Software is collection of specialized programs which takes users input and generate desire output.
  • Testing : It is the process of checking whether the software or application is generating the desired output or not.
  • Software Testing : It is the process of checking completeness and correctness of software with respect to client requirements.

What is need of Testing? :

-Bugs/defect could be expensive.

-Bugs can cause monetary losses.

-Reputation is at stake. It can go down if the product/software/application is not working.

-It helps in identification of bug/defect in early stage.

Principles of Software Testing :

There are seven basic Software Testing Principles that every Software tester and QA professional should know.

  • 1. Early testing : Start software testing at early stages. Means from beginning when you get the requirements.
  • 2. Testing shows presence of defects : Test the software in order to find defect.
  • 3. Highly impossible to give the bug free software to the customer.
  • 4. Exhaustive testing is not possible : Means we should not use same type of data for testing every time.
  • 5. Testing is context dependent : Means Decide what type of testing should be conducted based on type of application.
  • 6. Pesticide paradox : Means If you are executing same cases for longer run, they wont be find any defects. We have to keep update test cases in every cycle/release in order to find more defects.
  • 7. Defect clustering : Means Some of the modules contains most of the defects. By experience, we can identify such risky modules.

Ways to do Software Testing :

Software Testing can be done in two ways -

  • 1. Manual Testing
  • 2. Automation Testing
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