{who: „Wolfram Kriesing“,what: „uxebu Co-Founder“,since: „2008“,does: „web apps since 1999“,

url: „http://uxebu.com“,twitter: „@WolframKriesing“

}

{what: „ES6 learning by doing“,

when: „new kata every day“,

url: „http://ES6katas.org“,twitter: „@es6katas“

}

{what: „ready to use TDD env“,

why: „practice, practice, practice“,

url: „http://TDDbin.com“,twitter: „@tddbin“

}

{what: „TDD, pairing, clean code“,

when: „every 3 months“,next: „5th September 2015“,

url: „http://jsCodeRetreat.com“,twitter: „@jsCodeRetreat“

}

TDD with Google Spreadsheets

TDD?

SIM PLI

CITY

IHADTO

ITOX!

e x p l a i n

ITOX!TO AKID

USCOF

FUSCOon

what?

TESTF R A M EWORKS

TESTF R A M EWORKS?

expect().toBe()

expect().to.be()

assert.equal()

Jasmine image…

mocha image…

many others, doh, quint, jsunit, tap, …

TEST

u n d e r d a h o o d

FRA MEWORK

undefined

AssertionError: 1 == 2 at repl:1:9 at REPLServer.self.eval (repl.js:110:21) at Interface.<anonymous> (repl.js:239:12) at Interface.EventEmitter.emit (events.js:95:17) at Interface._onLine (readline.js:202:10) at Interface._line (readline.js:531:8) at Interface._ttyWrite (readline.js:760:14) at ReadStream.onkeypress (readline.js:99:10) at ReadStream.EventEmitter.emit (events.js:98:17) at emitKey (readline.js:1095:12)

> assert.equal(1,2)

$ node> assert.equal(1,1)

assert.js:92 throw new assert.AssertionError({ ^AssertionError: 1 == 2 at Object.<anonymous> (/Users/cain/tmp/fail.js:1:81) at Module._compile (module.js:456:26) at Object.Module._extensions..js (module.js:474:10) at Module.load (module.js:356:32) at Function.Module._load (module.js:312:12) at Function.Module.runMain (module.js:497:10) at startup (node.js:119:16) at node.js:902:3

> cat fail.jsrequire('assert').equal(1,2);console.log('failed?');

> node fail.js

KIND OF TEST

STYLE

https://www.goodreads.com/quotes/tag/learning

reduce it to the core

=

focus

THE TASK

https://github.com/search?utf8=✓&q=roman+numerals

https://github.com/search?l=JavaScript&q=roman+numerals&type=Repositories&utf8=✓

https://github.com/marcusholmgren/RomanNumerals/blob/master/spec/romanConverterSpec.coffee

https://github.com/Ginkko/roman/blob/master/spec/specs.js

https://github.com/Bryukh-Checkio-Tasks/checkio-task-roman-numerals/blob/master/verification/tests.py

https://github.com/davidbaldwin/roman/blob/master/src/_roman_test.js

Noise

polluting our intent

noise pollution the programming language

noise pollution the programming language

Let’s remove it!

Language noise++

Language noise++

FRA MEWORK

FRA MEWORK

Photo by Great Beyond - Creative Commons Attribution-NonCommercial-ShareAlike License https://www.flickr.com/photos/26104563@N00 Created with Haiku Deck

lots of work done

?

Completely Missing

• result beside test

• ugly stack traces

• context switch necessary

Noise covers

and blurs

N O W

LET’S CODE

EX AMP LES

ES6 Katas

JS CodeRetreat

TDD bin

uxebu.com/workshop

@WolframKriesing