HOW BDD CAN SAVE AGILE...BDD is a tool that facilitates interactions between individuals. BDD is a...

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HOW BDD CAN SAVE AGILE @mattwynne | QCon 2015 | London

Transcript of HOW BDD CAN SAVE AGILE...BDD is a tool that facilitates interactions between individuals. BDD is a...

Page 1: HOW BDD CAN SAVE AGILE...BDD is a tool that facilitates interactions between individuals. BDD is a label but. I don’t like labels. Let’s talk about behaviour instead. BDD practitioners

HOW BDD CAN SAVE AGILE@mattwynne | QCon 2015 | London

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Does agile really need saving?

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Scrum != Agile

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Quality

Communication

Predictability

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Technical discipline

Collaboration

Small pieces

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How does BDD help?

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Individuals and Interactions over

Processes and Tools

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BDD is a toolor maybe even a process, I dunno…

but…

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BDD is a tool that facilitates interactions

between individuals

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BDD is a labelbut

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I don’t like labels

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Let’s talk about behaviour instead

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BDD practitioners

explore, discover, define, then drive out

the desired behaviour of software using

conversations, concrete examples and automated

tests.

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Explore Discover Define Drive out

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Conversations

Concrete examples

Test-driven development

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CONVERSATIONS

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SOFTWARE IS MADE BY PEOPLE

CONVERSATIONS MATTER BECAUSE

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IGNORANCE IS THE BOTTLENECK

CONVERSATIONS MATTER BECAUSE

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Discovery Workshop

Stories Examples

Shared understanding

Smaller stories

Questions

Business rules

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EVERYONE HAS A UNIQUE PERSPECTIVE

CONVERSATIONS MATTER BECAUSE

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CONCRETE EXAMPLES

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MAKE SENSE TO EVERYONE

CONCRETE EXAMPLES

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ROOTED IN THE PROBLEM DOMAIN

CONCRETE EXAMPLES ARE

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Problem Domain

Solution Domain

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HELP BUILD A UBIQUITOUS LANGUAGE

CONCRETE EXAMPLES PROVIDE

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A SHARED SOURCE OF TRUTH

CONCRETE EXAMPLES PROVIDE

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SPLIT STORIES INTO SMALL PIECES

CONCRETE EXAMPLES HELP YOU TO

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TEST-DRIVEN DEVELOPMENT

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WARNING LIGHTSAUTOMATED TESTS ARE YOUR

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REFACTORINGTHE BIT OF TDD THAT EVERYONE FORGETS IS

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You can't have clean code without refactoring

You can't refactor without good automated tests

You can't stay agile without clean code

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WHY?TDD FORCES YOU TO ASK

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LISTENING TO THE TESTS

BUT YOU WILL FAIL UNLESS YOU ARE

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NO SHORT CUTS:

EXCELLENT COMMUNICATION

EXCELLENT CODE

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THANKS.QUESTIONS?

@mattwynne

[email protected]

mailto:[email protected]

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