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Guarding Your Code Against Bugs with Continuous Testing

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Guarding Your Code Against Bugs with Continuous Testing

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TDD (Test Driven Development) is getting more and more popular. But what can you do to take it to the next level?

What if you could know if your tests are passing every time you save a file without taking your hands off the keyboard. This is what continuous testing gives you.

In this session, we will cover how you can continuously test your PHP application. We will cover
- Installation and configuration
- Running the tests
- Running static analysers
- Executing tools that can make your life easier

TDD (Test Driven Development) is getting more and more popular. But what can you do to take it to the next level?

What if you could know if your tests are passing every time you save a file without taking your hands off the keyboard. This is what continuous testing gives you.

In this session, we will cover how you can continuously test your PHP application. We will cover
- Installation and configuration
- Running the tests
- Running static analysers
- Executing tools that can make your life easier

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Guarding Your Code Against Bugs with Continuous Testing

  1. 1. PHP Quebec - January 2014 Eric Hogue @ehogue erichogue.ca Guarding Your Code Against Bugs with Continuous Testing
  2. 2. Continuous Testing
  3. 3. Wikipedia a software development practice that extends test-driven development by means of automatic test execution in the background. http://en.wikipedia.org/wiki/Continuous_test-driven_development
  4. 4. How I Discovered it
  5. 5. Test Driven Development
  6. 6. Repetitive ...
  7. 7. Code Kata
  8. 8. Eureka!
  9. 9. Automate the Automated Tests
  10. 10. Searching
  11. 11. autotest
  12. 12. AutoPHPUnit
  13. 13. Watchr
  14. 14. Guard
  15. 15. Plugins
  16. 16. Installation - Settings
  17. 17. Ruby
  18. 18. Install Ruby With RVM $ curl -sSL https://get.rvm.io | bash -s stable --ruby $ ruby -v ruby 2.1.3p242 (2014-09-19 revision 47630) [x86_64-linux]
  19. 19. RubyGems + Bundler
  20. 20. Gemfile source 'https://rubygems.org' group :development do gem 'guard' end
  21. 21. bundle install $ bundle install Fetching gem metadata from https: //rubygems.org/........... ... Installing guard 2.6.1 Your bundle is complete!
  22. 22. Running Guard $ bundle exec guard 00:53:09 - ERROR - No Guardfile found, please create one with `guard init`.
  23. 23. Guardfile
  24. 24. Project root - Guardfile
  25. 25. Home folder - .Guardfile
  26. 26. Home folder - .guard.rb
  27. 27. notification :off Guardfile
  28. 28. notification :off guard 'guardname' do end Guardfile
  29. 29. notification :off guard 'guardname', :option => value do end Guardfile
  30. 30. notification :off guard 'guardname', :option => value do watch(%r{^regex$}) end Guardfile
  31. 31. Notifications
  32. 32. System Notification
  33. 33. group :development do gem 'libnotify' #Linux gem 'growl' #Mac OS gem 'rb-notifu' #Windows end Gemfile
  34. 34. notification :libnotify #Linux notification :growl #Mac OS notification :notifu #Windows Guardfile
  35. 35. Terminal Title
  36. 36. notification :terminal_title Guardfile
  37. 37. tmux
  38. 38. notification :tmux, display_message: true Guardfile
  39. 39. notification :off No Notifications
  40. 40. PHP Guards
  41. 41. Guard::PHPUnit2
  42. 42. Gemfile group :development do ... gem 'guard-phpunit2', :git => "https://github.com/EricHogue/guard- phpunit2.git" end
  43. 43. Guardfile guard 'phpunit2', :cli => '--colors', :tests_path => 'tests' do watch(%r{^tests/.+Test.php$}) end
  44. 44. Guardfile guard 'phpunit2', :cli => '--colors', :tests_path => 'tests' do watch(%r{^tests/.+Test.php$}) end
  45. 45. Guardfile guard 'phpunit2', :cli => '--colors', :tests_path => 'tests' do watch(%r{^tests/.+Test.php$}) end
  46. 46. Guardfile guard 'phpunit2', :cli => '--colors', :tests_path => 'tests' do watch(%r{^tests/.+Test.php$}) end
  47. 47. bundle exec guard
  48. 48. Guardfile … watch(%r{^src/(.+).php$}) { |m| "tests/#{m[1]}Test.php" }
  49. 49. %r{^src/(.+).php$} src/TDD/Factorial.php "tests/#{m[1]}Test.php" phpunit tests/TDD/FactorialTest.php
  50. 50. :all_on_start guard 'phpunit2', :all_on_start => true do end default => true
  51. 51. :tests_path guard 'phpunit2', :tests_path => 'path/to/tests' do end default => pwd
  52. 52. :all_after_pass guard 'phpunit2', :all_after_pass => true do end default => true
  53. 53. :keep_failed guard 'phpunit2', :keep_failed => true do end default => true
  54. 54. :command guard 'phpunit2', :command => './vendor/bin/phpunit' do end default => phpunit
  55. 55. :cli guard 'phpunit2', :cli => '--colors' do end default => nil
  56. 56. Guard::PHPCS
  57. 57. Gemfile group :development do ... gem 'guard-phpcs' end
  58. 58. Guardfile guard 'phpcs', :standard => 'PSR2', :executable => "./vendor/bin/phpcs" do watch(%r{.*.php$}) end
  59. 59. Guardfile guard 'phpcs', :standard => 'PSR2', :executable => "./vendor/bin/phpcs" do watch(%r{.*.php$}) end
  60. 60. Guardfile guard 'phpcs', :standard => 'PSR2', :executable => "./vendor/bin/phpcs" do watch(%r{.*.php$}) end
  61. 61. Guardfile guard 'phpcs', :standard => 'PSR2', :executable => "./vendor/bin/phpcs" do watch(%r{.*.php$}) end
  62. 62. PHPCS - PSR2
  63. 63. Guard::PHPMD
  64. 64. Gemfile group :development do ... gem 'guard-phpmd' end
  65. 65. Guardfile guard 'phpmd', :executable => './vendor/bin/phpmd', :rules => 'pmd-rules.xml' do watch(%r{.*.php$}) end
  66. 66. Guardfile guard 'phpmd', :executable => './vendor/bin/phpmd', :rules => 'pmd-rules.xml' do watch(%r{.*.php$}) end
  67. 67. Guardfile guard 'phpmd', :executable => './vendor/bin/phpmd', :rules => 'pmd-rules.xml' do watch(%r{.*.php$}) end
  68. 68. pmd-rules.xml ... <rule ref="rulesets/codesize.xml" /> <rule ref="rulesets/design.xml" /> <rule ref="rulesets/naming.xml" /> <rule ref="rulesets/unusedcode.xml" /> <rule ref="rulesets/controversial.xml" /> ...
  69. 69. Guardfile guard 'phpmd', :executable => './vendor/bin/phpmd', :rules => 'pmd-rules.xml' do watch(%r{.*.php$}) end
  70. 70. PHPMD
  71. 71. Other Guards
  72. 72. More More than 200 plugins
  73. 73. JavaScript
  74. 74. Gemfile group :development do ... gem 'guard-jasmine' end
  75. 75. Guardfile guard 'jasmine', :jasmine_url => 'http: //localhost:8000/SpecRunner.html' ... end
  76. 76. Guardfile guard 'jasmine', :jasmine_url => '', :server => :none do watch(%r{spec/.+Spec.js$}) end
  77. 77. Guardfile guard 'jasmine', :jasmine_url => '', :server => :none do watch(%r{spec/.+Spec.js$}) end
  78. 78. Guard::Jasmine
  79. 79. LiveReload
  80. 80. LiveReload
  81. 81. Gemfile group :development do ... gem 'guard-livereload' end
  82. 82. Guardfile guard 'livereload' do watch(%r{public/.+.(css|js|html)}) end
  83. 83. Guard::Bundler
  84. 84. Gemfile group :development do ... gem 'guard-bundler' end
  85. 85. Guardfile guard :bundler do watch('Gemfile') end
  86. 86. Guard::Bundler
  87. 87. Guard::Shell
  88. 88. Gemfile group :development do ... gem 'guard-shell' end
  89. 89. Guardfile guard 'shell' do watch(%r{^.+.php$}) do |m| `php -l #{m[0]}` true end end
  90. 90. Lint check
  91. 91. Guardfile `php -l #{m[0]}` if ($?.success?) n "#{m[0]} correct",'Syntax',:success else n "#{m[0]} incorrect",'Syntax',:failed end
  92. 92. Composer
  93. 93. Guardfile guard 'shell' do watch("composer.lock") do |m| p "Running composer install" `composer install` … end end
  94. 94. Composer
  95. 95. Inline Guard
  96. 96. Guardfile require 'guard/plugin' module ::Guard class BehatGuard < ::Guard::Plugin end end
  97. 97. Guardfile def start puts 'Run all Behat tests' puts `./vendor/bin/behat` end
  98. 98. Guardfile def run_on_changes(paths) paths.each do |file| puts `./vendor/bin/behat #{file}` end end
  99. 99. Guardfile guard 'BehatGuard' do watch(%r{^features/.+.feature$}) end
  100. 100. Behat
  101. 101. PHPUnit PHPCS PHPMD php -l composer install Jasmine LiveReload Behat
  102. 102. Automate Your Automated Test
  103. 103. Questions? PHP Mentoring: http://phpmentoring.org/ Comments: https://joind.in/13245 twitter: @ehogue Blog: http://erichogue.ca/
  104. 104. EndlessTunnel.jpg - Trey Ratcliff - https://www.flickr.com/photos/stuckincustoms/4539732832 History.jpg - Morten Diesen - http://www.flickr.com/photos/mortendiesen/8091682612 StreetLights.jpg - William Warby - http://www.flickr.com/photos/wwarby/2460655511 FadeToGrey.jpg - Andreas Levers - https://www.flickr.com/photos/96dpi/2571056264 Kata.jpg - ser... ser... - http://www.flickr.com/photos/el_ser_lomo/3267627038 Archimedes.jpg - Sputnik Beanburger III - https://www.flickr.com/photos/sputnikbeanburgeriii/4690475562/in/photostream/ GearWork2.jpg - Curious Expeditions - https://www.flickr.com/photos/curiousexpeditions/489992128 SARHelicopter.jpg - UK Ministry of Defence - https://www.flickr.com/photos/defenceimages/8695434365 RelayBox.jpg - Ed Hunsinger - https://www.flickr.com/photos/edrabbit/4698481573 Ruby.jpg - Joren De Groof - https://www.flickr.com/photos/jorendegroof/4470431763 RubyGems.png - Linux Screenshots - https://www.flickr.com/photos/xmodulo/14652484443 Files.jpg - Travis Wise - https://www.flickr.com/photos/photographingtravis/14745936519 Root.jpg - きうこ - https://www.flickr.com/photos/kiuko/9112281601 Home.jpg - Warren - https://www.flickr.com/photos/jety/3277812553 Alarm.jpg - Fabian - https://www.flickr.com/photos/snapsi42/3436162040 Containers.jpg - www.GlynLowe.com - https://www.flickr.com/photos/glynlowe/10921733615 Mess.jpg - Moyan Brenn - https://www.flickr.com/photos/aigle_dore/5481297641 Shells.jpg - Bemep - https://www.flickr.com/photos/40626436@N00/40822551 DoItYourself.jpg - Vlasta Juricek - https://www.flickr.com/photos/vlastula/3229196769 Languages.jpg - Valerie Everett - https://www.flickr.com/photos/valeriebb/3008977110 Javascript.jpg - Nathan Smith - https://www.flickr.com/photos/nathansmith/4704268314 Stacks.jpg - Roman Boed - https://www.flickr.com/photos/romanboed/13356494013 js.png - Chris Williams - https://github.com/voodootikigod/logo.js AssemblyLine.jpg - Fiat Chrysler Automobiles: Corporate - https://www.flickr.com/photos/chryslergroup/13194222244 CarCrash.jpg - JaseMan - http://www.flickr.com/photos/bargas/3695903512/

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