Why BDD: Behavioral Driven Development

There are 2 main types of bugs

Regression Bugs: A type of software bug where a feature that has worked before stops working
New Feature Bugs: An incompleteness, unexpected behavior of new feature

Example

Car’s Feature

– Drive point A to point B

– Able to brake / lower speed

– Able to turn left or right

– Sending light signal

– Controlling Temperature

– Playing music

Implement change / new feature

– Adding CNG system

Bug Type

**– Regression Bug: **Car nolonger run on Gas/Petrol (old system)

**– New Feature Bug: **CNG Gas leak

How to prevent

Regression bug has HIGHER PRIORITY and can be prevent by Automated Regression Tests
New feature bug is just incompleteness, can be prevent by increase coverage of expected scenario

BDD: Behavioral Driven Development

A development concept that begin with desire expected behavior first. This can put PO: Product Owner into the loop of SLDC: Software development cycle.