Why I use Guard

Lightning Talk given at Melbourne Ruby Meetup on 25 July, 2016

Transcript

1. WHY I USE GUARD
   KEITH PITTY
   

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3. WHY?
   

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5. FAST AUTOMATIC
   FEEDBACK
   

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6. FIN!
   

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9. OH, OK …
   

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11. HOW?
    

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12. guard-rspec
    

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13. REMEMBER
    AUTOTEST?
    

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14. GuardFile
    

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15. guard :rspec, cmd: 'zeus rspec' do
    watch('spec/spec_helper.rb') { "spec" }
    watch(%r{^spec/.+_spec\.rb$})
    watch(%r{^app/(.+)\.rb$}) { |m| "spec/
    #{m[1]_spec.rb" }
    # etc.
    end
    

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16. guard :rspec, cmd: 'zeus rspec'
    

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20. < 1 SECOND
    

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22. GuardFile
    

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23. CURATION
    

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24. watch('app/views/feeds/facebook/_encoded_content.erb') {
    "spec/controllers/feeds/facebook_controller_spec.rb" }
    

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25. WHEN A FILE
    CHANGES …
    

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26. AFFECTED TESTS
    RUN AUTOMATICALLY
    

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28. FOCUS
    

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29. SPECIFIC TEST
    

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30. it "does what it should" do, focus: true
    # expect something
    end
    

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32. FIRST 10 FAILED
    SPECS
    

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33. guard :rspec, cmd: 'zeus rspec', failed_mode: :focus do
    # etc.
    end
    

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34. guard-rspec
    

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35. FAST AUTOMATIC
    FEEDBACK
    

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37. ALSO …
    

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38. guard-teaspoon
    

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39. guard-livereload
    

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40. guard-bundler
    

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41. guard-ctags-bundler
    

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42. AUTOMATION
    

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44. NEXT?
    

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46. guard-rubocop
    

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47. WHY DO I USE
    GUARD?
    

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48. FAST AUTOMATIC
    FEEDBACK
    

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49. UNDERSTAND
    NOW?
    

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52. THANK YOU!
    

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53. @keithpitty
    

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