better unit testing with approval tests

Approval TestsLynn

Langit

An open-source Unit Testing library

SDC 2013

Gold

en M

aste

rreceived

approved

Serialized Files

Gettin

g it -

nuget

Gett

ing it

- g

ithub

Setu

p

Download Approvals

Select DiffTool(s)

Dem

o –

Sta

rt U

p

How

to A

ppro

ve

• Rename *.received to *.approved –

OR-

• Right click ‘Use whole file’

(DiffReporter)

About

Report

ers

Com

ple

x O

bje

cts

ArraysListsDatabase queriesXML, JSON

Dem

o –

Arr

ays

Com

bin

ati

ons

Combination Approvals

Dem

o –

Test

a

GU

I

Source - http://thesmithfam.org/blog/2012/03/05/the-code-quality-continuum/

Code Quality

Why

Test

-Dri

ven?

Why TDD? Better spec / scope Define, then create (objects)

Do Verify Feedback/regression/granularity

But… Littered with Asserts?

Extra work less productivity?

How

Test-D

riven

TDD

BDD

Approval Tests fit with both

types

Think Bigger

Less Code

Scenarios Assert

Do

Verify

Other LanguagesJava

Approval Tests in Java…

MapReduce

Dem

o –

Test

ing

M

ap

Red

uce

More

Info

rmati

on www.ApprovalTests.com

@LlewellynFalco@DanGilkersonLearn more – videos (.NET)

Who wrote ApprovalTests?

Dan

Llewellyn

Approval Tests@LynnLangit

Q & A

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