"Our BDDs are broken!" Lean Agile Exchange 2020

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Is the goal of your QA team to increase the number of automated tests? Are managers looking for tools that allow test-automation without the need for development skills? Are you using Given/When/Then phrasing to write automation tests? In this session we’ll briefly define what BDD is, spend a bit longer describing what it isn’t, and look at several typical examples of what can go wrong if you use Cucumber when you’re not following a BDD approach.

Technology

“Our BDDs are broken!”
Seb Rose, BDD advocate
seb.rose@smartbear.com
@sebrose

@sebrose seb.rose@smartbear.com
Agenda
• Preface
• Background
• Discovery
• Formulation
• Automation
• Epilogue

@sebrose seb.rose@smartbear.com
“Our BDDs are broken” - A. Client, 2019

@sebrose seb.rose@smartbear.com
Flashback - DOORS, 1998

@sebrose seb.rose@smartbear.com
What’s changed in those 20 years?

@sebrose seb.rose@smartbear.com
What’s changed in those 20 years?
Faster feedback
+
More frequent
releases

@sebrose seb.rose@smartbear.com
What’s changed in those 20 years?
Faster feedback
+
More frequent
releases
Fast, reliable,
automated tests

@sebrose seb.rose@smartbear.com
BDD core practices
Create a shared understanding of the
requirements through collaboraDon, typically
achieved through a structured conversaDon
centered on rules and examples
Examples of system behaviour are
documented using business terminology
The documentaDon is automated, creaDng
living documentaDon that veriﬁes the
system’s behaviour

@sebrose seb.rose@smartbear.com
BDD core practices
Examples of system behaviour are
documented using business terminology
The documentaDon is automated, creaDng
living documentaDon that veriﬁes the
system’s behaviour
Create a shared understanding of the
requirements through collabora5on, typically
achieved through a structured conversa5on
centered on rules and examples

@sebrose seb.rose@smartbear.com
Cucumber core concepts

@sebrose seb.rose@smartbear.com
Cucumber core concepts
Feature ﬁles
- plain text
Scenarios
- aka examples
- contain steps
Gherkin
- Business
readable

@sebrose seb.rose@smartbear.com
Cucumber core concepts
ApplicaDon
Feature ﬁles
- plain text
Scenarios
- aka examples
- contain steps
Gherkin
- Business
readable
AutomaDon
- “glue” code
Step deﬁniDons
Many languages
- Java, Ruby, JS, Go
- .

@sebrose seb.rose@smartbear.com
Terminology

@sebrose seb.rose@smartbear.com
Terminology
BDD - soPware development approach driven by desired
behaviour

@sebrose seb.rose@smartbear.com
Terminology
BDD - soPware development approach driven by desired
behaviour
Example - concrete illustraDon of how the system behaves

@sebrose seb.rose@smartbear.com
Discovery should be collaborative
https://cucumber.io/blog/bdd/example-mapping-introduction/
https://www.youtube.com/watch?v=VwvrGfWmG_U http://bddbooks.com

@sebrose seb.rose@smartbear.com
Tester writes scenarios
• Take one manual test
script

@sebrose seb.rose@smartbear.com
PO/BA writes scenarios

@sebrose seb.rose@smartbear.com
Scenarios are not reviewed
Problem
domain
SoluDon
domain
Ubiquitous
language

@sebrose seb.rose@smartbear.com
Scenarios automated after coding
Behaviour-Driven Development

@sebrose seb.rose@smartbear.com
Scenarios automated after coding
Behaviour-Driven DevelopmentDriven

@sebrose seb.rose@smartbear.com
Test automation team does automation
hZps://cucumber.io/blog/bdd/bdd-is-not-test-automaDon/

@sebrose seb.rose@smartbear.com
Test automation team does automation
hZps://cucumber.io/blog/bdd/bdd-is-not-test-automaDon/
Test automation != BDD

@sebrose seb.rose@smartbear.com
Behaviour-Driven Development
Devs write automation library for testers

@sebrose seb.rose@smartbear.com
Devs write automation library for testers
hZps://aslakhellesoy.com/post/11055981222/the-training-wheels-came-oﬀ

@sebrose seb.rose@smartbear.com
Developers don’t use TDD
hZp://growing-object-oriented-soPware.com/ﬁgures/tdd-with-acceptance-tests.svg

@sebrose seb.rose@smartbear.com
BDD tasks and activities
hZps://www.linkedin.com/pulse/bdd-tasks-acDviDes-seb-rose/
http://bddbooks.com

@sebrose seb.rose@smartbear.com
Drinking our own champagne
hZps://reports.cucumber.io/

@sebrose seb.rose@smartbear.com
Multiple example maps
hZps://studio.cucumber.io

@sebrose seb.rose@smartbear.com
Example map
hZps://examplemapping.cucumber.io

@sebrose seb.rose@smartbear.com
Features
hZps://github.com/cucumber/cucumber-ruby/blob/master/features/docs/cli/publish_banner.feature

@sebrose seb.rose@smartbear.com
Programmer tests
hZps://github.com/cucumber/cucumber-jvm/blob/main/core/src/test/java/io/cucumber/core/opDons/
CucumberProperDesParserTest.java

@sebrose seb.rose@smartbear.com
bddbooks.com
Wrap-up

@sebrose seb.rose@smartbear.com
BDD is
collaborative bddbooks.com
Wrap-up

@sebrose seb.rose@smartbear.com
BDD != Test Automation
BDD is
collaborative bddbooks.com
Wrap-up

@sebrose seb.rose@smartbear.com
BDD != Test Automation
The 2nd “D” in BDD
stands for “Driven”
BDD is
collaborative bddbooks.com
Wrap-up

@sebrose seb.rose@smartbear.com
BDD != Test Automation
The 2nd “D” in BDD
stands for “Driven”
BDD is
collaborative
There’s no such thing
as “BDDs” !
bddbooks.com
Wrap-up

Seb Rose
Twitter: @sebrose
Blog: https://cucumber.io/blog/
E-mail: seb.rose@smartbear.com
http://bddbooks.com
hZps://cucumber.io/resources/
webinars/beZer-requirements-
by-harnessing-examples/

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"Our BDDs are broken!" Lean Agile Exchange 2020

1. “Our BDDs are broken!” Seb Rose, BDD advocate seb.rose@smartbear.com @sebrose

2. @sebrose seb.rose@smartbear.com Agenda • Preface • Background • Discovery • Formulation • Automation • Epilogue

3. @sebrose seb.rose@smartbear.com “Our BDDs are broken” - A. Client, 2019

4. @sebrose seb.rose@smartbear.com Flashback - DOORS, 1998

5. @sebrose seb.rose@smartbear.com What’s changed in those 20 years?

6. @sebrose seb.rose@smartbear.com What’s changed in those 20 years?

7. @sebrose seb.rose@smartbear.com What’s changed in those 20 years? Faster feedback + More frequent releases

8. @sebrose seb.rose@smartbear.com What’s changed in those 20 years? Faster feedback + More frequent releases Fast, reliable, automated tests

10. @sebrose seb.rose@smartbear.com Agenda • Preface • Background • Discovery • Formulation • Automation • Epilogue

11. @sebrose seb.rose@smartbear.com BDD core practices Create a shared understanding of the requirements through collaboraDon, typically achieved through a structured conversaDon centered on rules and examples Examples of system behaviour are documented using business terminology The documentaDon is automated, creaDng living documentaDon that veriﬁes the system’s behaviour

12. @sebrose seb.rose@smartbear.com BDD core practices Examples of system behaviour are documented using business terminology The documentaDon is automated, creaDng living documentaDon that veriﬁes the system’s behaviour Create a shared understanding of the requirements through collabora5on, typically achieved through a structured conversa5on centered on rules and examples

13. @sebrose seb.rose@smartbear.com BDD core practices Create a shared understanding of the requirements through collaboraDon, typically achieved through a structured conversaDon centered on rules and examples The documentaDon is automated, creaDng living documentaDon that veriﬁes the system’s behaviour Examples of system behaviour are documented using business terminology

14. @sebrose seb.rose@smartbear.com BDD core practices Create a shared understanding of the requirements through collaboraDon, typically achieved through a structured conversaDon centered on rules and examples Examples of system behaviour are documented using business terminology The documenta5on is automated, crea5ng living documenta5on that veriﬁes the system’s behaviour

15. @sebrose seb.rose@smartbear.com Cucumber core concepts

16. @sebrose seb.rose@smartbear.com Cucumber core concepts Feature ﬁles - plain text Scenarios - aka examples - contain steps Gherkin - Business readable

17. @sebrose seb.rose@smartbear.com Cucumber core concepts Feature ﬁles - plain text Scenarios - aka examples - contain steps Gherkin - Business readable AutomaDon - “glue” code Step deﬁniDons Many languages - Java, Ruby, JS, Go - .

18. @sebrose seb.rose@smartbear.com Cucumber core concepts ApplicaDon Feature ﬁles - plain text Scenarios - aka examples - contain steps Gherkin - Business readable AutomaDon - “glue” code Step deﬁniDons Many languages - Java, Ruby, JS, Go - .

19. @sebrose seb.rose@smartbear.com Cucumber core concepts ApplicaDon Feature ﬁles - plain text Scenarios - aka examples - contain steps Gherkin - Business readable AutomaDon - “glue” code Step deﬁniDons Many languages - Java, Ruby, JS, Go - .

20. @sebrose seb.rose@smartbear.com Terminology

21. @sebrose seb.rose@smartbear.com Terminology BDD - soPware development approach driven by desired behaviour

22. @sebrose seb.rose@smartbear.com Terminology BDD - soPware development approach driven by desired behaviour Example - concrete illustraDon of how the system behaves

23. @sebrose seb.rose@smartbear.com Terminology BDD - soPware development approach driven by desired behaviour Example - concrete illustraDon of how the system behaves Scenario - example formulated in business language

24. @sebrose seb.rose@smartbear.com Terminology BDD - soPware development approach driven by desired behaviour Example - concrete illustraDon of how the system behaves Scenario - example formulated in business language “the BDDs” - collecDve term for automated tests executed by Cucumber

25. @sebrose seb.rose@smartbear.com Terminology BDD - soPware development approach driven by desired behaviour Example - concrete illustraDon of how the system behaves Scenario - example formulated in business language “the BDDs” - collecDve term for automated tests executed by Cucumber “the BDDs” - collecDve term for automated tests executed by Cucumber

26. @sebrose seb.rose@smartbear.com Agenda • Preface • Background • Discovery • Formulation • Automation • Epilogue

27. @sebrose seb.rose@smartbear.com Discovery should be collaborative https://cucumber.io/blog/bdd/example-mapping-introduction/ https://www.youtube.com/watch?v=VwvrGfWmG_U http://bddbooks.com

28. @sebrose seb.rose@smartbear.com Agenda • Preface • Background • Discovery • Formulation • Automation • Epilogue

29. @sebrose seb.rose@smartbear.com Tester writes scenarios • Take one manual test script

30. @sebrose seb.rose@smartbear.com PO/BA writes scenarios

31. @sebrose seb.rose@smartbear.com Scenarios are not reviewed Problem domain SoluDon domain Ubiquitous language

32. @sebrose seb.rose@smartbear.com Agenda • Preface • Background • Discovery • Formulation • Automation • Epilogue

33. @sebrose seb.rose@smartbear.com Scenarios automated after coding Behaviour-Driven Development

34. @sebrose seb.rose@smartbear.com Scenarios automated after coding Behaviour-Driven DevelopmentDriven

35. @sebrose seb.rose@smartbear.com Test automation team does automation hZps://cucumber.io/blog/bdd/bdd-is-not-test-automaDon/

36. @sebrose seb.rose@smartbear.com Test automation team does automation hZps://cucumber.io/blog/bdd/bdd-is-not-test-automaDon/ Test automation != BDD

37. @sebrose seb.rose@smartbear.com Behaviour-Driven Development Devs write automation library for testers

38. @sebrose seb.rose@smartbear.com Devs write automation library for testers hZps://aslakhellesoy.com/post/11055981222/the-training-wheels-came-oﬀ

39. @sebrose seb.rose@smartbear.com Devs write automation library for testers hZps://aslakhellesoy.com/post/11055981222/the-training-wheels-came-oﬀ

40. @sebrose seb.rose@smartbear.com Developers don’t use TDD hZp://growing-object-oriented-soPware.com/ﬁgures/tdd-with-acceptance-tests.svg

41. @sebrose seb.rose@smartbear.com Agenda • Preface • Background • Discovery • Formulation • Automation • Epilogue

42. @sebrose seb.rose@smartbear.com BDD tasks and activities hZps://www.linkedin.com/pulse/bdd-tasks-acDviDes-seb-rose/ http://bddbooks.com

43. @sebrose seb.rose@smartbear.com Drinking our own champagne hZps://reports.cucumber.io/

44. @sebrose seb.rose@smartbear.com Multiple example maps hZps://studio.cucumber.io

45. @sebrose seb.rose@smartbear.com Example map hZps://examplemapping.cucumber.io

46. @sebrose seb.rose@smartbear.com Features hZps://github.com/cucumber/cucumber-ruby/blob/master/features/docs/cli/publish_banner.feature

47. @sebrose seb.rose@smartbear.com Programmer tests hZps://github.com/cucumber/cucumber-jvm/blob/main/core/src/test/java/io/cucumber/core/opDons/ CucumberProperDesParserTest.java

48. @sebrose seb.rose@smartbear.com Results

49. @sebrose seb.rose@smartbear.com bddbooks.com Wrap-up

50. @sebrose seb.rose@smartbear.com BDD is collaborative bddbooks.com Wrap-up

51. @sebrose seb.rose@smartbear.com BDD != Test Automation BDD is collaborative bddbooks.com Wrap-up

52. @sebrose seb.rose@smartbear.com BDD != Test Automation The 2nd “D” in BDD stands for “Driven” BDD is collaborative bddbooks.com Wrap-up

53. @sebrose seb.rose@smartbear.com BDD != Test Automation The 2nd “D” in BDD stands for “Driven” BDD is collaborative There’s no such thing as “BDDs” ! bddbooks.com Wrap-up

54. @sebrose seb.rose@smartbear.com BDD != Test Automation The 2nd “D” in BDD stands for “Driven” BDD is collaborative There’s no such thing as “BDDs” ! bddbooks.com Wrap-up Tests of all sorts are a source of valuable feedback

55. Seb Rose Twitter: @sebrose Blog: https://cucumber.io/blog/ E-mail: seb.rose@smartbear.com http://bddbooks.com hZps://cucumber.io/resources/ webinars/beZer-requirements- by-harnessing-examples/

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