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Continuous Testing
The document discusses continuous testing within the Agile framework, emphasizing the importance of feedback loops and automation in development processes. It outlines the stages of continuous integration and testing, along with tools and strategies for effective implementation. Additionally, it highlights the benefits of rapid feedback and reproducible environments to streamline development and deployment efforts.
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Continuous Testing
- 1. Continuous Testing J a re d R i c h a r d s o n A g i l e A r t i s a n s 1 Who are you? 2 Jared Richardson CoAuthored Ship It! and Career 2.0 Screencast editor for PragProg.com Started AgileRTP in 2007 2nd public signatory of the Agile Manifesto Agile coach AgileArtisans.com 3 What Is Agile? 4
- 2. AgileManifesto.org 5 Feedback Loops 6 Feedback Loopsare Fractal flickr.com/photos/dancentury/4579906149 7 flickr.com/photos/bobowen/4501875907 flickr.com/photos/30691679@N07/3808395213 flickr.com/photos/kevino/1438502858 8
- 3. Pairing Test First Daily Meetings Demos ??? FeedbackLoops Inside Feedback Loops 9 Different Levels Good at the bottom Great at the top Ignore the middle 10 Continuous Feedback Continuous Integration Continuous Delivery Continuous Testing 11 Continuous Integration Watch Code Build product Run tests Publish results 12
- 4. Continuous Testing Watch CI Deploy product Integration tests Publishresults 13 Continuous Testing Build in CI (compile & unit tests) Deploy to dev (staging) Run integration tests 14 What does this tell us? If it works 15 Continuous deployment is controversial. Most people ... think I’m advocating low-quality code or an undisciplined cowboy-coding development process. ERIC RIES radar.oreilly.com/2009/03/continuous-deployment-5-eas.html 16
- 5. Language is aTool Use it 17 What's this look like? 18 Java Tooling Publish results 19 Example Publish results javac (Oracle & IBM) message broker etc ws ejb deploy message broker tools sshexec (to scripts) JUnit HP's UFT Selenium Web page RSS Email 20
- 6. Continuous Testing CI CT Compile& unit test Deploy & integration test 21 Multiplatform Deploys CI CD Win7 CD Linux CD AIX 22 Binaries Nuke & Pave Delete Recompile Deploy Use 23 flickr.com/photos/x-ray_delta_one/4152356464 23 Data Nuke & Pave Delete schema Drop tables Recreate Restock Rails Liquibase 24 flickr.com/photos/x-ray_delta_one/4152356464 24
- 7. Rails ActiveRecord CREATE TABLE products ( id int(11) NOT NULL auto_increment, name varchar(255), PRIMARY KEY (id) ); 25 25 Rails ActiveRecord change_table :card_deck do |t| t.remove :description, :name t.string :first_name t.index :part_number t.rename :list_name, :last_name end 26 26 Rails ActiveRecord rake db:migrate rake db:migrate VERSION=0 rake db:reset 27 27 Operating System Nuke & Pave Virtualize Recreate 28 flickr.com/photos/x-ray_delta_one/4152356464 28
- 8. Vagrant vagrant init lnxhttp://lnx/lnx.box vagrant up vagrant ssh vagrant reload --provision 29 29 Vagrant Vagrant.configure("2") do |config| config.vm.box = "lnx" config.vm.provision :shell, :path => "bootstrap.sh" end 30 30 Benefits Reproducible environment Solid results Fast results Repeatable results 31 Fast feedback leads to fast fixes 32
- 9. Minimize Dark Times CodeChange Validation http://flickr.com/photos/bogenfreund/556656621/ 33 When? Day one Easiest 34 Easy? No Difficult Necessary Code 35 Alternatives 36
- 10. flickr.com/photos/lightsinthedark/5810724330/ Work in avacuum 37 Ruthlessly Automate! Builds Deploys Tests flickr.com/photos/pmillera4/9317924474 38 Steps Automate builds Continuous Integration Add unit tests Automate deployments Continuous Delivery Add integration tests flickr.com/photos/untitlism/2547423465 39 Your move 40
- 11. Exercise Two 3x5 cards 3reasons for Continuous Testing 3 barriers to adoption Pass cards to the next table Brainstorm on solutions flickr.com/photos/curtisperry/6119618990 41 Tips Open standards... Junit or Junit compatible Avoid vendor lock in Glue tools Time matters.... Fast servers Incremental change 42 Resources JUnit JUnit.org Jenkins Jenkins-ci.org BDD Dannorth.net/introducing-bdd Cucumber Cukes.info Continuous Deployment en.wikipedia.org/wiki/Continuous_delivery 43 Devops Resources VagrantUp.com GetChef.com/chef PuppetLabs.com Ansible.com VirtualBox.org 44
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