Boost your testing: End-to-End with Docker and Geb

End to end testing is a crucial part of a tool chain to deliver high-quality releases of many software systems.

With Geb, we have a very handy wrapper to WebDriver/Selenium at our fingertips that enables us to create actually maintainable E2E test suites even for large web applications.
Combining it with Docker and a CI system enables us to be very flexible about the context we use this tests in and allow us to provoke feedback for many interesting aspects we need to know about in our system.

This talk outlines findings and experiences from projects that utilized the mentioned technologies to succeed in constantly delivering high quality releases not only in slides but also with some live-coding and demos.

Transcript

1. Boost your testing:
   End to End with

   Docker & Geb
   

   17.03.2018
   Markus Schlichting
   

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2. Markus Schlichting
   Senior Software Engineer
   Basel, Switzerland
   Hackergarten Basel
   markus.schlichting@canoo.com
   @madmas
   

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3. End-to-End ?
   

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4. User experience
   

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5. Adopt legacy
   

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6. maintain variants
   

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7. Say hello to
   • Groovy DSL on top of Selenium/WebDriver
   • IDE support: syntax & debugging
   • PageObject, Modules
   

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8. import geb.Browser
   Browser.drive {
   go "http://myapp.com/login"
   assert $("h1").text() == "Please Login"
   $("form.login").with {
   username = "admin"
   password = "password"
   login().click()
   }
   assert $("h1").text() == "Admin Section"
   }
   

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9. Structure,
   Technical Details
   PageObject
   PageObject
   Spec
   Service
   Method
   

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10. waitFor { }
    

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11. waitFor { }
    package demo
    import geb.Browser
    Browser.drive {
    go "https://mynethome.de/animation.html"
    assert title == "Animation For Waitfor Example"
    $("div#app button").click()
    waitFor { !$("div.modal").hasClass("fade-enter-active") }
    $("div.modal button").click()
    waitFor { !$("div.modal").hasClass("fade-leave-active") }
    }
    

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12. + Spock
    

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13. + Spock
    

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14. + Spock
    1
    2
    

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15. + Spock
    

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16. Write End-to-End tests with Geb
    Demo
    

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17. Non-blocking tests?
    

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18. Docker
    

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20. • Docker WebDriver Selenium Container
    • Xvfb: X virtual frame-buffer
    • Chrome, Firefox
    • Video recording
    Docker
    

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21. encapsulate 

    End-to-End tests
    Demo
    

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22. http://nvie.com/posts/a-successful-git-branching-model/
    

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23. Automation!
    Docker&Geb + CI
    Demo
    

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25. Unit
    Integration
    End to End
    

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26. 

    • E2E do not replace other tests - they rather
    complete them
    • E2E should merely be seen as the final

    „does everything fit together“
    • „Acceptance Tests“
    

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27. The horizon
    • Living Documentation:

    Geb/Spock Specs + AsciiDoctor
    

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28. Markus Schlichting
    markus.schlichting@canoo.com
    @madmas
    Happy with End-to-End testing
    =
    

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