[Cucumber-Java8] How to reuse step defs?

[Rafael Naufal]

Hi folks,

I'm using cucumber-java8 to create my step definitions (using lambda expressions defined in the constructor), as suggested in the following link: https://cucumber.io/docs/reference/jvm#java (lambda expressions - Java 8).

There are some step definition classes that share the same steps defined as lambda expressions and as such I'm having the following problem:

cucumber.runtime.CucumberException: cucumber.runtime.DuplicateStepDefinitionException: Duplicate step definitions

When I try to run them separately, it works well as expected. When I try to run my all my tests suite using Gradle (using the -g parameter to specify a list of step definition classes) , I got the error above.

So, is there a possibility to reuse step definitions using cucumber-java8 and lambda expressions?

Kind regards, 

Rafael

[Thomas Sundberg]

Assuming that the implementation for two steps is equal, what happened
when you removed one? Was the other one picked up?

I haven't tried this myself, but given that the non Java 8
implementation behaves like that I would expect the remaining step
being picked up in a Java 8 lambda implementation. If this is true,
you are able to reuse step definitions.

Give it a spin and tell us about your findings.

Cheers
Thomas



> Kind regards,
>
> Rafael
>
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Thomas Sundberg
M. Sc. in Computer Science

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