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During this workshop a practical example of a web application will be developed. Its nature will be ludic (based on Sesame Street characters) but complex enough to put into spot the different features of Grails likewise as Domain Classes, Validators, GORM, Controllers, Services, Testing, etc. Everything will be developed using Groovy/Grails Tool Suite. This workshop will cover all the commands necessary from the beginning of the project to its end, as well as the fine settings required to run it properly. The whole point will underline what Grails specific traits are over the other rapid development models in use at the moment. All necessary program code to develop the workshop application will be supplied in advance to the attendants.
Citation preview
WorkshopCan You tell me how to get to Sesame Street? I wanna be a Grails rookie star there!
Fernando Redondo Ramírez
@pronoide_fer
Roadmap
• Who am I
• Brief introduction…
• Hands on!
Whoami
• Entreprenour and Business Manager at Pronoide
since 2003
• Java & Friends Trainer
• Doing things with Java from 1999 on
• Computer Engineer
• Happily married and proud father of two children
who love all Sesase Street stuff
Brief introduction
- Just another grails workshop (jagw)?
- Yes indeed!, but:
• We’ll leverage grails 2
• We’ll use TDD and we’re goingto do a lot of tests
• We’ll deal with the whole app code
• We won’t do Scaffolding ;)
• No plugins are necessary
Hands on!
Before start, you have to…
1. Install git in your computerhttp://git-scm.com/book/en/Getting-Started-Installing-Git
2. Install jruby or rubyhttp://jruby.org/getting-startedhttps://www.ruby-lang.org/en/installation/
3. Install git presenter (gem install git_presenter)
4. Download Groovy/Grails Tool Suite 3.4 https://spring.io/tools/ggts/all
5. Start Groovy/Grails Tool Suite 3.4 (GGTS) and choose orcreate a workspace (remember run it with a JDK)
6. Download http://pronoide.com/downloads/greach-workshop-2014.zip and unzip it into workspace folder.
7. Hold on! Please wait me right here…
Stage I: Create web application
i. Create webapp (create-app sesame-street)
note: it’s no necessary if you choose the git way
Stage I: Create web application
i. Import webapp (XXXXXXX)
note: it’s compulsory if you choose the git way
Stage II: Create domain
ii. Create the domain classes (create-domain-class
sesamestreet.Muppet)
Stage II: Create domain
iii. Define properties, constants, constraints and mappings
Stage II: Create domain
iv. Let’s refactor and write down a Unit Test
Stage II: Create domain
v. Run Unit tests (test-app)
Stage II: Create domain
vi. Write an integration test (create-integration-test ) and
run it (test-app integration:)
Stage II: Create domain
vii. Let’s change database config and run again (test-app
integration:)
Stage III: Create business layer
viii. We have to create the service skeleton
(create-service sesamestret.MuppetDiscovery)
Stage III: Create business layer
ix. Let’s write the unit test first and run it (test-app
-unit sesamestreet.MuppetDiscoveryServiceUnitTests)
Stage III: Create business layer
x. Implement this service and its logging
Stage III: Create business layer
xii. create an integration test and run all tests (test-app)
Stage IV: Create web layer
xiii. Create a controller
(create-controller sesamestreet.MuppetDiscovery)
Stage IV: Create web layer
xiv. Refactor an write down test unit controller first of all
Stage IV: Create web layer
xv. Create integration test for controller too!
Stage IV: Create web layer
xvi. Let’s write down the initial GSP page of searches
Stage IV: Create web layer
xvii. GSP page for the best matched muppet
Stage IV: Create web layer
xviii. GSP page for no matched muppets
Stage IV: Create web layer
xix. presentation fine tuning (main.gsp/main.css)
Stage V: Run Webapp
xx. Start the web application (run-app)
Stage V: Run Webapp
xxi. Load data and map default controller
Stage V: Run Webapp
xxii. play with the database
Stage V: Run Webapp
xxii. play with the webapp
Extra ball: Spock test!
xxii. configure plugin and run (compile --refresh-depencies)
Extra ball: Spock test!
xxii. let’s write some specs samples for unit and integration
Extra ball: Spock test!
xxii. let’s write some specs samples for unit and integration
and run them (test-app :spock)
We're done!
I wish i would have had this app
4 years ago… Meanwhile at the
time being a new period begins:
Superheroes and fairies, but
that remains for the next year
greach…
thanks!
• @pronoide_fer
• https://github.com/fredondo/
• http://pronoide.com
• http://blog.pronoide.es