Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
テストを書きたくない話 / I don't want to write tests
Search
Sponsored
·
SiteGround - Reliable hosting with speed, security, and support you can count on.
→
Naoki Kishida
October 11, 2019
Programming
12k
17
Share
テストを書きたくない話 / I don't want to write tests
2019/10/11に行われた「「テスト」の話を聞いてみようの会」での登壇資料です
Naoki Kishida
October 11, 2019
More Decks by Naoki Kishida
See All by Naoki Kishida
Javaの型とAI時代に型が大事な理由 / java types and type in AI era
kishida
2
59
ローカルLLMでどこまでコードが書けるか / How much code can be written on a local LLM
kishida
2
420
ローカルLLM基礎知識 / local LLM basics 2025
kishida
30
17k
AIエージェントでのJava開発がはかどるMCPをAIを使って開発してみた / java mcp for jjug
kishida
5
1.2k
AIの弱点、やっぱりプログラミングは人間が(も)勉強しよう / YAPC AI and Programming
kishida
13
6.7k
海外登壇の心構え - コワクナイヨ - / how to prepare for a presentation abroad
kishida
2
170
Current States of Java Web Frameworks at JCConf 2025
kishida
0
1.8k
AIを活用し、今後に備えるための技術知識 / Basic Knowledge to Utilize AI
kishida
27
7.4k
LLMベースAIの基本 / basics of LLM based AI
kishida
13
3.7k
Other Decks in Programming
See All in Programming
柔軟なPDFレイアウトエディタを支える型システム設計 — Discriminated UnionとConditional Typeの実践
minako__ph
4
1.2k
inferと仲良くなる10分間
ryokatsuse
1
280
新規プロダクトを高速で生み出すハーネスエンジニアリング
seanchas116
16
7.5k
今さら聞けないCancellationToken
htkym
0
200
These Five Tricks Can Make Your Apps Greener, Cheaper, & Nicer
hollycummins
0
250
AI 時代のソフトウェア設計の学び方
masuda220
PRO
29
11k
CSC307 Lecture 17
javiergs
PRO
0
280
AIチームを指揮するOSS「TAKT」活用術 / How to Use “TAKT,” an OSS Tool for Orchestrating AI Teams
nrslib
6
750
肥大化するレガシーコードに立ち向かうためのインターフェース分離と依存の逆転 / JJUG CCC 2026 Spring
hirokunimaeta
0
250
AI駆動開発で崩れていくコードベースを立て直す
kyoko_nr_nr
1
400
軽量Java基盤の設計 DIコンテナに頼らない、長期保守と1秒起動の実現 JJUG CCC 2026 Spring
macha64
0
210
次世代リンターで探る、tsgo 時代における型認識カスタムルールの現実解
ytakahashii
3
1.3k
Featured
See All Featured
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.7k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
31
3.2k
Code Reviewing Like a Champion
maltzj
528
40k
The Spectacular Lies of Maps
axbom
PRO
1
770
What Being in a Rock Band Can Teach Us About Real World SEO
427marketing
0
240
Writing Fast Ruby
sferik
630
63k
Rebuilding a faster, lazier Slack
samanthasiow
85
9.5k
HTML-Aware ERB: The Path to Reactive Rendering @ RubyCon 2026, Rimini, Italy
marcoroth
1
130
Ten Tips & Tricks for a 🌱 transition
stuffmc
0
120
RailsConf 2023
tenderlove
30
1.5k
[SF Ruby Conf 2025] Rails X
palkan
2
1.1k
Reality Check: Gamification 10 Years Later
codingconduct
0
2.2k
Transcript
/ 90 2 12
@Test public void testCalc() { assertEquals("1", FizzBuzz.calc(1));
assertEquals("2", FizzBuzz.calc(2)); assertEquals("Fizz", FizzBuzz.calc(3)); assertEquals("4", FizzBuzz.calc(4)); assertEquals("Buzz", FizzBuzz.calc(5)); assertEquals("Fizz", FizzBuzz.calc(6)); assertEquals("7", FizzBuzz.calc(7)); assertEquals("8", FizzBuzz.calc(8)); assertEquals("Fizz", FizzBuzz.calc(9)); assertEquals("Buzz", FizzBuzz.calc(10)); assertEquals("11", FizzBuzz.calc(11)); assertEquals("Fizz", FizzBuzz.calc(12)); assertEquals("13", FizzBuzz.calc(13)); assertEquals("14", FizzBuzz.calc(14)); assertEquals("FizzBuzz", FizzBuzz.calc(15)); assertEquals("16", FizzBuzz.calc(16)); assertEquals("17", FizzBuzz.calc(17));
@Test public void testCalc() { assertEquals("1", FizzBuzz.calc(1)); assertEquals("2",
FizzBuzz.calc(2)); assertEquals("Fizz", FizzBuzz.calc(3)); assertEquals("4", FizzBuzz.calc(4)); assertEquals("Buzz", FizzBuzz.calc(5)); assertEquals("Fizz", FizzBuzz.calc(6)); assertEquals("7", FizzBuzz.calc(7)); assertEquals("8", FizzBuzz.calc(8)); assertEquals("Fizz", FizzBuzz.calc(9)); assertEquals("Buzz", FizzBuzz.calc(10)); assertEquals("11", FizzBuzz.calc(11)); assertEquals("Fizz", FizzBuzz.calc(12)); assertEquals("13", FizzBuzz.calc(13)); assertEquals("14", FizzBuzz.calc(14)); assertEquals("FizzBuzz", FizzBuzz.calc(15)); assertEquals("16", FizzBuzz.calc(16)); assertEquals("17", FizzBuzz.calc(17)); assertEquals("Fizz", FizzBuzz.calc(18)); assertEquals("19", FizzBuzz.calc(19)); assertEquals("Buzz", FizzBuzz.calc(20));
• (- !' $0
• .1 *, " &%/# • + )
• • • • ( •
( • • • • ) •
•
• : = : . . - / /
/
• •
• . * • -&*!,$
( *)+%'"#
• • •
@Test public void testCalc() { assertEquals("1", FizzBuzz.calc(1)); assertEquals("Fizz", FizzBuzz.calc(3)); assertEquals("Buzz", FizzBuzz.calc(5)); assertEquals("FizzBuzz", FizzBuzz.calc(15)); }
• "'.% &- $/+1 •
&- $/+1 • $* 5) • 24 $*,3!0 !# (
• •
•