Entries Tagged 'Testing Concepts' ↓

Understanding The Difference Between Unit, Integration and Functional Testing

For any software application, both Unit testing and Integration testing are very important as they each employ unique processes to test the software application. But one or both of them cannot replace Functional testing.

In this article, we will understand Unit, Integration, and Functional testing and clarify the differences between these forms/levels of testing.

Continue reading →

Mutation Testing – Learn This Interesting Testing Technique Quickly with a Simple Example

Sci-Fi fans: Don’t get your hopes up. This isn’t that kind of mutation we are talking about :)

What is Mutation Testing?

Mutation testing is a fault based testing technique where variations of a software program are subjected to the test data-set. This is done to determine the effectiveness of the test set in isolating the deviations.

------------

It sounds a little complicated, isn’t it?  Continue reading →

Retest Vs Regression Testing – How Much Regression Testers Should Be Doing?

Don’t you all love the compare and contrast themed articles? I know I do. It is such a great way to invite thoughts, comments and maybe even, strong disagreement.

Today’s topic is the difference between Retesting and Regression Test.

Let’s begin with Retesting:

Retest means to test again. The reason does not matter. When you repeat a test, you retest. You could retest current version functionality. Or a bug fix, previous version functionality, a test case you just ran, etc.

Continue reading →




When to Stop Testing (Exit Criteria in Software Testing)

Exit criteria in Testing:

“Well begun is half done” – Applies everywhere, even software testing.

Often we see software testers very enthusiastic at the beginning of the project. We create testing documents such as Test Strategy, Test Plan or Test Cases eagerly and enthusiastically.

Then we get to testing software with a BANG! This is only amplified by the interesting defects we find at the beginning of the project. Getting them resolved will only add to our accomplishment.  Continue reading →

The 4 Steps to Business Intelligence (BI) Testing: How to Test Business Data

Business Intelligence (BI) is a process of gathering, analyzing, and transforming raw data into accurate, efficient, and meaningful information which can be used to make wise business decisions and refine business strategy.

BI gives organizations a sense of clairvoyance. Only the perception is not fueled by extra-sensory ability but by facts.

Business Intelligence testing initiatives help companies gain deeper and better insights so they can manage or make decisions based on hard facts or data.  Continue reading →

How to Test Point of Sale (POS) System – Restaurant POS Testing Example

What is Point of Sale (POS)?

POS alias Point of Sale is a place where transactions take place. You can see POS systems in Retail Stores, Restaurants, Hospitals and almost everywhere these days where payments are involved.

Most of you may very well understand what a barcode reader is or a wireless payment device is (the most used devices for payment transactions) but POS, in reality, involves a lot of components and each of the components needs to be integrated well for it to run successfully.  Continue reading →