How not to doBDD?

Priyanka Bhasin@priyanka23

Tester

eXtreme Programming (XP)

    

•Pair Programming•Continuous Integration•Small releases•Simple design•Sustainable pace•Refactoring•Test Driven Development (TDD)

TDD ≠ BDD

TDD

BDD

FAILINGBEHAVIOURAL

TEST

Behaviour Driven Development

Behaviour-driven development is about implementing an application by describing its behaviour from the perspective of its stakeholders”

Core principles

It’s all about behaviour

It’s all about behaviour

It’s all about behaviour

Where is the business value

Where is the business value

Where is the business value

The three amigosBusiness Analyst /

Product OwnerTester Developer

Anti Patterns

BDD is a silver bulletThe first rule of any technology used in a business is that automation applied to an efficient operation will magnify the efficiency. The second is that automation applied to an inefficient operation will magnify the inefficiency.

Automation over Conversation

No business value

No business value

Higher level scripting Language

Higher level scripting Language

And I wait for 10 seconds

Business Stakeholders interested

Business not interested

Business not interested

• They don’t care about testing• They don’t write specification

on their own

The more details the better

Or this

Or this for the win

• Shared Knowledge• Focused Effort• Make Safe changes• Living Documentation

Key Takeaways• TDD ≠ BDD• Not a silver bullet• Hide details• Business value• Ubiquitous Language• It is not about automation but about

collaboration

…those who learned to collaborate and improvise most effectively have prevailed.”

Charles Darwin

Thank You

/in/priyankabhasin

@priyanka23