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2

3

4

5

6

7

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8

9

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Quick of feature behaviour

Determines the Acceptance Criteria for

a user story

Business

Reps Developer

Tester

10

11

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12

BDD

ATDD TDD

13

14

15

We can embed examples into the

scenarios

Add a Test

Run the

Test

Test

Fails

NO CODE

YET

Run the

Test

Test

Passes

Write

CODEREFACTOR

CODE

16

Colin wants a fast car?

17

Excellent – so we all agree then….I’m glad we’re on the same page….18

Write

Requirements

Write the Code

Design the

System

Specify the

SystemTest the

SpecificationBuild System

Acceptance

Testing

Integration

Testing

System Testing

Component Testing

Reviews

Walkthroughs

Inspections

Inspections

Static Analysis

Shared vision of a feature is accomplished through formal reviews.Poor Quality

Inconsistent

Redundant

19

Excellent – so we all agree then….I’m glad we’re on the same page…20

21

22

▪

How will we delete?

Is it consistent with

other ways of

deleting? What

happens to the

deleted item?

23

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24

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25

“As a frequent book buyer,

I want strong passwords

so that my credit card

information remains secure”.

26

The aim is to gain a better understanding of what Brian wants and that we

all understand what is meant by ‘strong passwords’. (recall ‘fast car’ )

27

28

29

30

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31

After many conversations, the whole team have come up with a shared

understanding of the acceptance criteria.

▪

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32

Data Expected Result Expected Message

IsThis$AGood11 Pass

AAbbCC11 Fail No Special Characters

$$$bbb111 Fail No Upper Case

AAA%% Fail No Lower Case

AAAA%%%%bbbbb Fail No numbers

Aa9ab$ Fail Too Short

In this case the team have come up with real examples of inputs and outputs to gain this shared understanding of the acceptance criteria

33

Coder (Developer) Business Analyst Tester

34

35

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36

Agile Atlas User Stories

Driving development with tests: ATDD and TDD Elisabeth

Hendrickson

Lean-Agile Acceptance Test-Driven Development, Ken Pugh

Agile Testing , Crispin and Gregory

More Agile Testing , Crispin and Gregory

Bridging the Communication Gap, Gojko Adzic

Specification by Example, Gojko Adzic

Test-Driven Development By Example, Kent Beck

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