[123] quality without qa

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DEVIEW2015 DAY1. quality without qa

Technology

Quality without QA
A lean approach to less bugs
Tim Pettersen • Developer Provocateur • Atlassian • @kannonboy

DOGFOODING
MANUAL QA
buggy code your team writes
less buggy code that ships
AUTOMATED TESTS
CODE REVIEW
fast and
cheap
slow and/or
expensive

feature/JIRA-123
stable master branch
isolated feature work
master
Branching workflow
Merge is blocked until..
1. CI builds passing?
2. At least 2 reviewers approved?
3. All rework complete?

atlassian.com/git
Want to get Git right?

Comic: Randall Munroe http://xkcd.com/303/

Comic: Randall Munroe http://xkcd.com/303/
“I’m running the tests”

Types of Tests
junit
W
ebDriver
slowfast
run as pre-commit hook
qunit(headless)
checkstyle
“wired”junitREST
no product needed require a live product instance

automatically triggered
Building branches
maste
always build master

Testing with Git (webinar)
Sarah Goﬀ-Dupont,

CI Extraordinaire
tinyurl.com/superci

human judgement needed
?
“what-evs”
bad API decision
O(n!) algorithm
technical debt
Build enforcement

Better
Code
Shared
Knowledge
Team
Ownership

Reviews and releases
10
20
30
40
Daily Weekly Monthly Quarterly Yearly
Code Review No Code Review
Source: Atlassian Git Survey 2013

2. Minimum TWO approvals before merge
3. Have 1.5x - 2.5x that number reviewers

4. Use git blame / git guilt to find reviewers

5. Avoid flamewars!
negotiate,
arbitrate
or
escalate

6. Stuck in review?
Make Tuesday & Thursday inbox zero days

8. Raise issues for TODOs
// TODO fix this hack
// TODO fix this (JRA-1773)

obvious
code
code
comments
PR
comments
> >
9. Move comments into code

10. Build a team policy, as a team
…and enforce it!

DOGFOODING
MANUAL QA
AUTOMATED TESTS
CODE REVIEW

feature/JIRA-123
stable master branch
isolated feature work
master
Continuous
Deployment

Dogfooding is

an important tool
to help you catch
regressions
You need both

Automated Tests
and Code Review
Git branching

greatly helps
isolation, stability
& testing

So what does QA do?
• QA leadership
• Training

• Feature kick-offs

• Tooling

• Analysis

Tell me more about QA!
How the JIRA team keeps

quality at speed
tinyurl.com/jiraqa

Tim Pettersen • Developer Provocateur • Atlassian • @kannonboy
Thank you!

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[123] quality without qa

1. Quality without QA A lean approach to less bugs Tim Pettersen • Developer Provocateur • Atlassian • @kannonboy

2. Facts 800+ Developers

3. :

4. Quality Assurance Assistance & analysis

5. n. koâla tēa Quality

6. AWARENESS LEADS PROSPECTS SALES

7. AWARENESS LEADS PROSPECTS SALES

8. DOGFOODING MANUAL QA buggy code your team writes less buggy code that ships AUTOMATED TESTS CODE REVIEW fast and cheap slow and/or expensive

9. Baked In Quality Photo: Simon Law

10. feature/JIRA-123 stable master branch isolated feature work master Branching workflow Merge is blocked until.. 1. CI builds passing? 2. At least 2 reviewers approved? 3. All rework complete?

11. atlassian.com/git Want to get Git right?

12. Automated Tests

13. Comic: Randall Munroe http://xkcd.com/303/

14. Comic: Randall Munroe http://xkcd.com/303/ “I’m running the tests”

15. Types of Tests junit W ebDriver slowfast run as pre-commit hook qunit(headless) checkstyle “wired”junitREST no product needed require a live product instance

16. automatically triggered Building branches maste always build master

17. ~500Kbuilds per month

18. Testing with Git (webinar) Sarah Goﬀ-Dupont, CI Extraordinaire tinyurl.com/superci

19. Build enforcement

20. human judgement needed ? “what-evs” bad API decision O(n!) algorithm technical debt Build enforcement

21. Code Review Photo: Yogi (Flickr)

22. Better Code Shared Knowledge Team Ownership

23. G = 1 R+1 Developer guilt

24. Team Ownership

25. Better Code Shared Knowledge Team Ownership

26. Code reviews take negative time

27. Reviews and releases 10 20 30 40 Daily Weekly Monthly Quarterly Yearly Code Review No Code Review Source: Atlassian Git Survey 2013

28. Tim’s for Pull Requests TOP TEN TIPS

29. 1. One issue, one pull request = !

30. 2. Minimum TWO approvals before merge 3. Have 1.5x - 2.5x that number reviewers

31. 4. Use git blame / git guilt to find reviewers

32. 5. Avoid flamewars! negotiate, arbitrate or escalate

33. 6. Stuck in review? Make Tuesday & Thursday inbox zero days

34. 7. @mention specialists

35. 8. Raise issues for TODOs // TODO fix this hack // TODO fix this (JRA-1773)

36. obvious code code comments PR comments > > 9. Move comments into code

37. 10. Build a team policy, as a team …and enforce it!

38. DOGFOODING MANUAL QA AUTOMATED TESTS CODE REVIEW

39. Dogfooding?

40. feature/JIRA-123 stable master branch isolated feature work master Continuous Deployment

41. Extreme Dogfooding

42. Dogfooding is an important tool to help you catch regressions You need both Automated Tests and Code Review Git branching greatly helps isolation, stability & testing

43. Quality Assurance Assistance & analysis

44. So what does QA do? • QA leadership • Training • Feature kick-offs • Tooling • Analysis

45. Analysis

46. Analysis

47. Tell me more about QA! How the JIRA team keeps quality at speed tinyurl.com/jiraqa

48. Tim Pettersen • Developer Provocateur • Atlassian • @kannonboy Thank you!

[123] quality without qa

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