Pull Requests

Quality + Speed

Quality + Speed

  • Quality = of the code/solution
  • Speed   = of delivery/deploy

Quality vs Speed

  • find a balance between both
  • Buddha: truth lies in the middle way

Quality factors

  • QA
  • Acceptance Criteria
  • Coding Style Guidelines
  • Pattern Guidelines
  • Tests
  • Documentation
  • Code maintainability, simplicity, etc

Quality

at jobs we rock at Quality!!! :-)

Quality + Speed

  • Quality = of the code/solution
  • Speed = of delivery

Quality vs Speed

too much of one == less of the other

 

find a balance between both

 

 

 

Buddha: truth lies in the middle way

Quality factors

  • QA
  • Acceptance Criteria
  • Coding Style
  • Pattern Guidelines
  • Tests
  • Documentation
  • Code maintainability, simplicity, etc

Quality at jobs

at jobs we rock at Quality!!! :-)

Speed?

let's balance it with Quality

Speed enemies

  • changes to PR
  • conflicts of opinions

Why no Changes?

  • Require time (Time vs Speed)

  • produce Context Switching

Greatest Trick for speed

  • Accept PR as is: do changes in another PR/ticket

  • delay changes as much as posible (Divide and Conquer)

PR nature

  • 1 requester (did the job)
  • n reviewers (check code, QA)

if there's a problem between parts
it can become a 1:n problem ;-)

1:n problem

A conflict is solved faster when
reviewers (n) help the requester (1)

so: try to side with the requester (1) ;-)

PR psychology

  • at the moment of PR, lots of work is already done
  • We all love to see our code in production ... fast

Speed : the mindframe

reviewers should:

  • have a helpful mind/approach

  • always review with speed in mind

  • devise tricks to speed up delivery

Type of Conflicts in PRs

  • the Broken

  • the Slow

  • the Ugly

their importance is in that order

1. Broken e.g.

  • Tests don't pass
  • Acceptance Criteria not met
  • Corner cases break

Broken nature

several degrees of Broken

some are stoppers, some not

Trick: the more 'not stoppers' => more speed

so: aim for no stoppers

Broken : not stopper, how to

Broken When? : corner cases of slow % usage

trick: relax Acceptance Criteria, talk to PO

Talk and Agree: deploy now, fix it later

2. Slow

prove your point: provide a benchmark

Trick: the right questions:

  • Slow when?
  • Should this code perform fast?

can the change be delayed, i.e. done in another ticket?

3. Ugly

Style guidelines help here

Talk, agree, delay changes when posible

Recommendation: try to avoid this argument ;-)

Main Proposal: in Conflicts

Always talk!!!

Proposal: conflict solved

comment it in PR so others know

YES: Delay changes to PR

  • Deploy now, do fix/change in another PR

speed goes up +1

YES: when asking for changes

  • offer your help/time
  • Pair Programming is +1 :-)
  • keep a helpful spirit (speed in mind)

YES: offer your time

  • changes take time
    it feels lots nicer if you offer help

  • Pair programming is Awesome :-)

YES: Namespaces save time

Tricks

  • other teams code (namespaces) in jobs should get relaxed reviews
  • main thing: jobs does not get broken

NO: long threads

  • PRs focus gets lost, other reviewers are discouraged, etc...
  • 1:n problem can become unmanageable
  • remember the psychological part ;-)

Proposal: PR deadlines

 

  • after 2 days a PR passes to QA
  • 2 thumbs make it shorter than 2 days

 

Thanks

Pull Requests: Quality + Speed

By Joaquin Rivera Padron

Pull Requests: Quality + Speed

some thoughts about the Pull Request process and how to achieve for Speed and Quality at them

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