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How to Explore a Large Rails Application
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Nick Bienko
September 26, 2015
Programming
1
100
How to Explore a Large Rails Application
Rails Club 2015 talk by Nikolay Bienko
Nick Bienko
September 26, 2015
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Transcript
How to Explore a Large Rails Application Nikolay Bienko, AT
Consulting @bikolyarb
[email protected]
Plan UI Traversing & Domain knowledge Get the app up
and running Estimate codebase Check out primary entities ApplicationController Follow main use cases POROs and pattern objects
UI Traversing & Domain knowledge Explore what is your app
about Documentation Grasp domain knowledge
None
None
Get the app up and running Make tests green bin/setup
rake --tasks routes.rb gemfile-verboser
None
None
None
None
gemfile-verboser
Estimate codebase rake stats wc -l app/models/**/*.rb | sort gem
‘rails-erd’ gem ‘railroady’
None
None
wc -l app/models/**/*.rb wc -l app/controllers/**/*.rb
gem ‘rails-erd’
gem ‘railroady’
Check out primary entities Entity-Relationship Diagrams schema.rb gem ‘annotate’
gem ‘annotate’
ApplicationController Callbacks Methods and helper methods Authentication
ApplicationController
Follow main use cases routes -> controller -> model ->
view pry pry-byebug stack-trace Introspection methods ctags Integration testing gem ‘rails-footnotes’ gem ‘state_machine’ with graphs
None
gem ‘rails-footnotes’
gem ‘state_machine’ with graphs
POROs and pattern objects lib app/services app/decorators app/facades app/helpers
Summary UI Traversing & Domain knowledge Get the app up
and running Estimate codebase Check out primary entities ApplicationController Follow main use cases POROs and pattern objects
None
None
Feedback is welcome Nikolay Bienko, AT Consulting @bikolyarb
[email protected]