Developer Experience to Testing

May 20, 20160 likes473 views

Create Software Design with unit testing, build user experience with UX testing, check definition of done with functional testing – all these are my day-to-day activities. Indeed, I am a developer who has found the value of testing to deliver quality software. In this presentation I share with you how I have come to use tests for: understanding the features, choosing the best user experience design, choosing the best technical solution, implementing the features and test them to create a reliable system. You will see practical examples of how tools like Jasmine, Spock, Geb are used for the above types of tests. You will see a project with test code and we will discuss how testing can effectively enhance your professional performance.

A talk by Claudia Ro uș claudia.rosu@mozaicworks.com
@claudia_rosu
Developer experience
to
Testing

Agenda
● Feature delivery
● Tests in the delivery flow
● Power of tests in practice
● What's next
● Core ideas

About me
● Software crafter
● Experience with Groovy, Grails, Spock, Java
● Active in communities

Background
● Innovative eHealth application for a general
practitioner doctors association
● Client is not a product owner, nor a business
analyst
● Development life cycle evolved over time

Testing strategy
Test one isolated behavior of
an individual function
Test integration of the
application with the database
or the authentication plugin
Test a feature use case from
request to save in the
database
Test one isolated behavior of
the UX

Implementing the strategy
Using tests for preventing regression bugs
Using tests for learning Grails framework faster
Building tests with Grails, Groovy and JUnit

Groovy and Grails
Grails is a powerful web framework, for
the Java platform aimed at multiplying
developers’ productivity thanks to a
Convention-over-Configuration -
https://grails.org/
Groovy is a powerful, optionally
typed and dynamic language for
the Java platform. -
http://www.groovy-lang.org/

Time passes and
Package of tests to maintain
We want to get away without regression bugs
We know Grails&Groovy now
Future tests to write

Reduce tests number
Maximize the work not
done
Invest in Software Design

Enjoying writing tests
Spock is a testing and specification
framework for Java and Groovy
applications. What makes it stand
out from the crowd is its beautiful
and highly expressive specification
language.
http://spockframework.github.io/

Where we are now
Using tests for analysis
Using tests for software
design
Using tests for checking definition of done
Building tests with Grails, Groovy and Spock

Initial UI
NOM PRÉNOM NE(É) ADRESSE TEL
PATIENTS Sélection par MT

Running all the tests
Grails test-app unit: running all unit tests→
Grails test-app integration: running all integration tests→
Grails test-app acceptance: running all acceptance tests→
Karma start running all jasmine unit tests→

Results
● Happy customer
● Improved collaboration
● Maximize the work not done
● Faster development life cycle
● Happy me

Functional tests for acceptance
GEB = Browser automation tool.
WebDriver + jQuery + Page Object + Groovy
=
Easy to write & read functional tests
Functional testing answers questions like:
“can the user do this”
“does this particular feature work”

4 Core Ideas
1. Best prevention of undesired side effects
2. Best analysis tool I have ever used
3. Best and fastest feedback I have received
4. Best software design tool

Your Questions?
“The important thing is
not to stop questioning”
Claudia.rosu@mozaicworks.com
@claudia_rosu

Resources
http://www.groovy-lang.org/
https://grails.org/
http://spockframework.github.io/spock/docs/1.0/index.html
http://www.gebish.org/
http://mozaicworks.com/category/blog/testing/

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