Rachel Davies

GROWING AGILE PRACTICE

Please raise your hand to help me see your knowledge of agile methods

• Who is new to Agile / Scrum?

Your Background

• Brief Agile History• Evolution of Agile Practices

• Retrospectives

• User Stories

• Mock Objects

• New Practices

• Mob programming

• Multi-product backlog

• Testing in production

• Sharing Agile Practices

Overview

Problems with Waterfall

Scrum Lifecycle

XP = Continuous Delivery

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Brief Agile History

My Experience

Traditional Waterfall11 years

XP3 years

XP5years

Agile/Scrum9 years

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Evolution of Agile Practices

Extreme Programming in 2000

Lots of strange new practices to learn

We needed time for reflection

How do we do 12 practices of XP?

What did we do well?

What have we learned?

What can we do better?

What puzzles us?

Project Retrospective Questions

Author: Norman Kerth, retrospectives.com

3 days off-site meetingat the end of a project

to identify lesions for future projects

XP Teams Simplified Project Retrospectives

Compressed, 1 hour every 2 weeks

Experimenting with our practices to incorporate learning during project

Heartbeat Retrospectives

Retrospective Meetings became an official Agile practice

Modern XP: Retrospective

Team diary board, print for retrospective

Learning to Write Stories

Stories are part of Planning in XP

Stories should be written on cards

What do we write on these cards?

Connextra Story TemplateQuestions to ask Who? What? Why?

Bad Stories

Adding “As a user” to every story is pointless

Better Stories

Focus on value delivered

Modern XP: Developers write stories

Focus on value delivered

Modern XP: Developers write stories

Focus on value delivered

Modern XP: Full Spectrum Developers

Developers involved end-to-end

Learning to Test Drive Design

Tests help us shape design in XP

Driving Design with Tests

How do we test a unit without breaking encapsulation?

Mocks Isolate Code Under Test

Isolating class under test with Mock Objects

Outside-In

Add behaviour from the outside

Inspired Dependency Injection

Passing in dependencies

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New Agile Practices

Pair Programming

2 developers. 1 switches out next day

Mob Programming

Woody Zuill at Hunter Industries

Mob Programming

Woody Zuill at Hunter Industries

Our Mob Experiment

2 screens. 1 keyboard. 1 driver

Mini Mobs

3-4 developers in a mob

Multi-Product Backlog

A backlog spanning all our products

Multi-Product Backlog

A backlog spanning all our products

Product News “Strand-up”

Cross-team meeting, sharing product research news

Testing in Production

Run product in live environment without staging

Team Monitor Live Services

Team see peaks in traffic and deployments

Scheduled Chaos Monkey Testing

Inspired by Netflix

Feature Toggles

Hide features from users until ready

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Sharing Agile Practice

Focus on flow

How do we improve?

Visit Your Agile Community

How do we spread new practices?

Wait for Agile to Grow

New practices take time to grow. Be patient!

@rachelcdavies

Thank You