BDD With Cucumber

MÜCAHİT KURTSn. Project Manager @ INNOVA

@mucahitkurt

Mücahit KurtSn. Project Manager

@mucahitkurt

@mucahitkurt

@mucahitkurt

mucahit.blogspot.com.tr

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Test Pyramid

3

GUI Tests

API Tests

Integration Tests

Component Tests

Unit Tests

Manuel

Tests

GUI Tests

API Tests

Integration Tests

Component Tests

Unit Tests

Manuel Tests

How it should be done What many teams do

BDD Concept

“Using examples in conversation to illustrate behaviour.”

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Specification by Example

Acceptance TDD

Extented TDD BDD

Why BDD?

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Communication

Collaboration

Automation

Living Documentation

Traditional

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Analyst DeveloperTester

Deployment

Bug Report

Requirements

Clarify

Collaboration

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Analyst

Developer

Tester

Deployment

Bug Report

Requirements

Clarify

Specifications

Developer Analyst

Three Amigos

Tester

Cucumber is the Tool

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Features

Scenarios

Steps

Cucumber

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Your Project

Features

Scenarios

Steps

Step Definitions

Support Code

Automation Library

Your System

Business

Facing

Technology

Facing

Sample Feature

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Language

Feature

Scenario

Steps

Gherkin is the Language

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Cucumber supports over 60 spoken languages.

Step Definitions

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Regular Expressions

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http://regexr.com

How it Works?

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Execute Scenario

Read First Step

Do we have a matching step definition?

Execute Step Definition Code

Block

Was an exception thrown?

Any more steps?

Passed Scenario Failed ScenarioPending Scenario

Undefined Scenario

Pending

Read next step

No

Yes

No

No

Yes

No

Yes

Yes

Expressive ScenariosBackground, Data Table, Scenario Outline, Tag, Hook

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Outside-in

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Failing

Acceptance

Test

Failing

Unit

Test

Make it

PassRefactor

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Exercise

Keeping Your

Cucumbers SweetDon’t forget the test pyramid

Work together

Care your tests & codes

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Environment

Parallel Run

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Jenkins-Plugin-Parallel Run

Reporting

Different sets with tags

Spring, Pico-Container, Selenium etc. support

ConclusionCollaboration on requirements builds trust between

stakeholders and delivery team members

Collaboration requires preparation

Looking at the end goal as business process

documentation is a useful model

Long-term value comes from living documentation

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References

The Cucumber For Java BookBy Seb Rose, Matt Wynne, Aslak Hellesoy

Specification By ExampleBy Gojko Adzic

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End of the Fun

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Credits

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• Three feathers by Deb, https://www.flickr.com/photos/25154062@N02/5522723111/

• analyst by Gregor Črešnar from the Noun Project

• percentage by Gregor Črešnar from the Noun Project

• Money by Gregor Črešnar from the Noun Project

• Value by Gregor Črešnar from the Noun Project

• Search by Luis Prado from the Noun Project

• User by Wilson Joseph from the Noun Project

• bug by Robert Bjurshagen from the Noun Project

• cycle by Robert Bjurshagen from the Noun Project

• Checklist by Davo Sime from the Noun Project

• question-mark by Cris Dobbins from the Noun Project

• Cross by Zaff Studio from the Noun Project

• Back-ache !!!!!!!!!!! by Craig Sunter, https://www.flickr.com/photos/16210667@N02/9046360969

• Lemur up there by Tambako The Jaguar, https://www.flickr.com/photos/tambako/13662196145/